[PATCH V6 0/7] da9061: DA9061 driver submission

[PATCH V6 0/7] da9061: DA9061 driver submission

[Steve Twiss]

From: Steve Twiss <stwiss.opensource@diasemi.com>

This patch set adds support for the Dialog DA9061 Power Management IC.
Support is made by altering the existing DA9062 device driver, where
appropriate.

In this patch set the following is provided:

[PATCH V5 1/8] Binding for watchdog
[PATCH V5 2/8] Binding for thermal supervisor
[PATCH V5 3/8] Binding for MFD and regulators
[PATCH V5 4/8] MFD core support
[PATCH V5 5/8] BUCKs and LDOs
[PATCH V5 6/8] Watchdog
[PATCH V5 7/8] PMIC temperature monitoring
[PATCH V5 8/8] MAINTAINERS update

Hello,

The only minor changes this time.

- minor comments to the thermal driver
- rebase from v4.9 to v4.11-rc3
- update the copyright header for the Dialog Legal dept
- fix checkpatch warnings
- add Acked-by

Some previous patches from this set have been applied already:

- Onkey binding
- Onkey driver
- Watchdog driver

This patch applies against linux-next and v4.11-rc3 

Thank you,
Steve Twiss, Dialog Semiconductor

Steve Twiss (7):
  Documentation: devicetree: watchdog: da9062/61 watchdog timer binding
  Documentation: devicetree: thermal: da9062/61 TJUNC temperature
    binding
  Documentation: devicetree: mfd: da9062/61 MFD binding
  mfd: da9061: MFD core support
  regulator: da9061: BUCK and LDO regulator driver
  thermal: da9062/61: Thermal junction temperature monitoring driver
  MAINTAINERS: da9062/61 updates to the Dialog Semiconductor search
    terms

 Documentation/devicetree/bindings/mfd/da9062.txt   |  49 ++-
 .../devicetree/bindings/thermal/da9062-thermal.txt |  37 ++
 .../devicetree/bindings/watchdog/da9062-wdt.txt    |  23 ++
 MAINTAINERS                                        |   4 +
 drivers/mfd/Kconfig                                |   5 +-
 drivers/mfd/da9062-core.c                          | 427 ++++++++++++++++++++-
 drivers/regulator/Kconfig                          |   4 +-
 drivers/regulator/da9062-regulator.c               | 303 ++++++++++++++-
 drivers/thermal/Kconfig                            |  10 +
 drivers/thermal/Makefile                           |   1 +
 drivers/thermal/da9062-thermal.c                   | 315 +++++++++++++++
 include/linux/mfd/da9062/core.h                    |  29 +-
 include/linux/mfd/da9062/registers.h               |   5 +-
 13 files changed, 1162 insertions(+), 50 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/thermal/da9062-thermal.txt
 create mode 100644 Documentation/devicetree/bindings/watchdog/da9062-wdt.txt
 create mode 100644 drivers/thermal/da9062-thermal.c

-- 
end-of-patch for PATCH V6

[PATCH V6 1/7] Documentation: devicetree: watchdog: da9062/61 watchdog timer binding

[Steve Twiss]

From: Steve Twiss <stwiss.opensource@diasemi.com>

Add binding information for DA9062 and DA9061 watchdog.

Example bindings for both DA9062 and DA9061 devices are added. For
the DA9061 device, a fallback compatible line is added as a valid
combination of compatible strings.

The original binding for DA9062 (only) used to reside inside the
Documentation/devicetree/bindings/mfd/da9062.txt MFD document.
The da9062-watchdog section was deleted in that file and replaced
with a link to the new DA9061/62 binding information stored in this
patch.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>

---
This patch applies against linux-next and v4.11-rc3

v5 -> v6
 - NO CODE CHANGE
 - Rebased from v4.9 to v4.11-rc3

v4 -> v5
 - NO CODE CHANGE
 - Rebased from v4.8 to v4.9

v3 -> v4
 - NO CODE CHANGE
 - Patch renamed from [PATCH V3 2/9] to [PATCH V4 1/8]
 - Added Acked-by Rob Herring

v2 -> v3
 - Patch renamed from [PATCH V1 02/10] to [PATCH V3 2/9]
 - Each compatible line should be a valid combination of compatible
   strings, alter DA9061 line to include the fall back compatible string
 - Update the commit message to describe this change
 - Add information about associated patches from this set without
   describing them as being explicitly dependent on this binding

v1 -> v2
 - Patch renamed from [PATCH V1 07/10] to [PATCH V2 02/10] -- these
   changes were made to fix checkpatch warnings caused by the patch
   set dependency order
 - Updated the patch description to be explicit about where parts of
   this binding had originally been stored
 - A second example for DA9061 is provided to highlight the use of a
   fall-back compatible option for the DA9062 watchdog driver

Hi,

No code changes for this version PATCH V5.

As previously:
For the watchdog case: the DA9062 device driver is compatible with the
DA9061 and for this reason there is minimal change required to the DA9062
watchdog device driver. The example for the DA9061 watchdog shows the
use of a fall-back compatible string.

Other information:
The device driver from this patch set (associated with this binding) is
  [PATCH V5 6/8] watchdog: da9061: watchdog driver
 
Regards,
Steve Twiss, Dialog Semiconductor


 .../devicetree/bindings/watchdog/da9062-wdt.txt    | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/watchdog/da9062-wdt.txt

diff --git a/Documentation/devicetree/bindings/watchdog/da9062-wdt.txt b/Documentation/devicetree/bindings/watchdog/da9062-wdt.txt
new file mode 100644
index 0000000..b935b52
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/da9062-wdt.txt
@@ -0,0 +1,23 @@
+* Dialog Semiconductor DA9062/61 Watchdog Timer
+
+Required properties:
+
+- compatible: should be one of the following valid compatible string lines:
+	"dlg,da9061-watchdog", "dlg,da9062-watchdog"
+	"dlg,da9062-watchdog"
+
+Example: DA9062
+
+	pmic0: da9062@58 {
+		watchdog {
+			compatible = "dlg,da9062-watchdog";
+		};
+	};
+
+Example: DA9061 using a fall-back compatible for the DA9062 watchdog driver
+
+	pmic0: da9061@58 {
+		watchdog {
+			compatible = "dlg,da9061-watchdog", "dlg,da9062-watchdog";
+		};
+	};
-- 
end-of-patch for PATCH V6

[PATCH V6 4/7] mfd: da9061: MFD core support

[Steve Twiss]

From: Steve Twiss <stwiss.opensource@diasemi.com>

MFD support for DA9061 is provided as part of the DA9062 device driver.

The registers header file adds two new chip variant IDs defined in DA9061
and DA9062 hardware. The core header file adds new software enumerations
for listing the valid DA9061 IRQs and a da9062_compatible_types enumeration
for distinguishing between DA9061/62 devices in software.

The core source code adds a new .compatible of_device_id entry. This is
extended from DA9062 to support both "dlg,da9061" and "dlg,da9062". The
.data entry now holds a reference to the enumerated device type.

A new regmap_irq_chip model is added for DA9061 and this supports the new
list of regmap_irq entries. A new mfd_cell da9061_devs[] array lists the
new sub system components for DA9061. Support is added for a new DA9061
regmap_config which lists the correct readable, writable and volatile
ranges for this chip.

The probe function uses the device tree compatible string to switch on the
da9062_compatible_types and configure the correct mfd cells, irq chip and
regmap config.
 
Kconfig is updated to reflect support for DA9061 and DA9062 PMICs.

Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>

---
Acked-for-mfd-by: Lee Jones <lee.jones@linaro.org>

Hi Lee, that Ack was from your earlier posting:
https://lkml.org/lkml/2017/1/4/328 this was
Regards, Steve.

This patch applies against linux-next and v4.11-rc3

v5 -> v6
 - Rebased from v4.9 to v4.11-rc3
 - Modify Copyright to match Dialog latest legal statement
 - Fixed "braces {} should be used on all arms" checkpatch warning

v4 -> v5
 - NO CODE CHANGE
 - Rebased from v4.8 to v4.9

v3 -> v4
 - Patch renamed from [PATCH V3 5/9] to [PATCH V4 4/8]
 - Removed DEFINE_RES_NAMED() macros for DA9061 resources and replaced
   them with DEFINE_RES_IRQ_NAMED().
 - Removed whitespace
 - Reverted change for badly defined mfd_cell da9062_devs of_compatible
   string from "dlg,da9062-watchdog" back to "dlg,da9062-wdt"

v2 -> v3
 - NO CODE CHANGE
 - Patch renamed from [PATCH V2 05/10] to [PATCH V3 5/9]

v1 -> v2
 - Patch renamed from [PATCH V1 01/10] to [PATCH V2 05/10] -- these
   changes were made to fix checkpatch warnings caused by the patch
   set dependency order
 - Fixed typo in the commit message "readble" to "readable"
 - Removed the explicit cross-check to decide if there is a conflict
   between the device tree compatible string and the hardware definition.
   This patch assumes the device tree is correctly written and therefore
   removes the need for a hardware/DT sanity check.
 - Removed extra semicolon in drivers/mfd/da9062-core.c:877
 - Re-write compatible entries into numerical order

Lee,

Changes as described in the version history above.

As previously:
This patch adds support for the DA9061 PMIC. This is done as part of the
existing DA9062 device driver by extending the of_device_id match table.
This in turn allows new MFD cells, irq chip and regmap definitions to
support DA9061.

Regards,
Steve Twiss, Dialog Semiconductor


 drivers/mfd/Kconfig                  |   5 +-
 drivers/mfd/da9062-core.c            | 427 +++++++++++++++++++++++++++++++++--
 include/linux/mfd/da9062/core.h      |  29 ++-
 include/linux/mfd/da9062/registers.h |   5 +-
 4 files changed, 443 insertions(+), 23 deletions(-)

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 55ecdfb..29cc11a 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -263,13 +263,14 @@ config MFD_DA9055
 	  called "da9055"
 
 config MFD_DA9062
-	tristate "Dialog Semiconductor DA9062 PMIC Support"
+	tristate "Dialog Semiconductor DA9062/61 PMIC Support"
 	select MFD_CORE
 	select REGMAP_I2C
 	select REGMAP_IRQ
 	depends on I2C
 	help
-	  Say yes here for support for the Dialog Semiconductor DA9062 PMIC.
+	  Say yes here for support for the Dialog Semiconductor DA9061 and
+	  DA9062 PMICs.
 	  This includes the I2C driver and core APIs.
 	  Additional drivers must be enabled in order to use the functionality
 	  of the device.
diff --git a/drivers/mfd/da9062-core.c b/drivers/mfd/da9062-core.c
index 8f873866..9310eaf 100644
--- a/drivers/mfd/da9062-core.c
+++ b/drivers/mfd/da9062-core.c
@@ -1,6 +1,6 @@
 /*
- * Core, IRQ and I2C device driver for DA9062 PMIC
- * Copyright (C) 2015  Dialog Semiconductor Ltd.
+ * Core, IRQ and I2C device driver for DA9061 and DA9062 PMICs
+ * Copyright (C) 2015-2017  Dialog Semiconductor
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -30,6 +30,70 @@
 #define	DA9062_REG_EVENT_B_OFFSET	1
 #define	DA9062_REG_EVENT_C_OFFSET	2
 
+static struct regmap_irq da9061_irqs[] = {
+	/* EVENT A */
+	[DA9061_IRQ_ONKEY] = {
+		.reg_offset = DA9062_REG_EVENT_A_OFFSET,
+		.mask = DA9062AA_M_NONKEY_MASK,
+	},
+	[DA9061_IRQ_WDG_WARN] = {
+		.reg_offset = DA9062_REG_EVENT_A_OFFSET,
+		.mask = DA9062AA_M_WDG_WARN_MASK,
+	},
+	[DA9061_IRQ_SEQ_RDY] = {
+		.reg_offset = DA9062_REG_EVENT_A_OFFSET,
+		.mask = DA9062AA_M_SEQ_RDY_MASK,
+	},
+	/* EVENT B */
+	[DA9061_IRQ_TEMP] = {
+		.reg_offset = DA9062_REG_EVENT_B_OFFSET,
+		.mask = DA9062AA_M_TEMP_MASK,
+	},
+	[DA9061_IRQ_LDO_LIM] = {
+		.reg_offset = DA9062_REG_EVENT_B_OFFSET,
+		.mask = DA9062AA_M_LDO_LIM_MASK,
+	},
+	[DA9061_IRQ_DVC_RDY] = {
+		.reg_offset = DA9062_REG_EVENT_B_OFFSET,
+		.mask = DA9062AA_M_DVC_RDY_MASK,
+	},
+	[DA9061_IRQ_VDD_WARN] = {
+		.reg_offset = DA9062_REG_EVENT_B_OFFSET,
+		.mask = DA9062AA_M_VDD_WARN_MASK,
+	},
+	/* EVENT C */
+	[DA9061_IRQ_GPI0] = {
+		.reg_offset = DA9062_REG_EVENT_C_OFFSET,
+		.mask = DA9062AA_M_GPI0_MASK,
+	},
+	[DA9061_IRQ_GPI1] = {
+		.reg_offset = DA9062_REG_EVENT_C_OFFSET,
+		.mask = DA9062AA_M_GPI1_MASK,
+	},
+	[DA9061_IRQ_GPI2] = {
+		.reg_offset = DA9062_REG_EVENT_C_OFFSET,
+		.mask = DA9062AA_M_GPI2_MASK,
+	},
+	[DA9061_IRQ_GPI3] = {
+		.reg_offset = DA9062_REG_EVENT_C_OFFSET,
+		.mask = DA9062AA_M_GPI3_MASK,
+	},
+	[DA9061_IRQ_GPI4] = {
+		.reg_offset = DA9062_REG_EVENT_C_OFFSET,
+		.mask = DA9062AA_M_GPI4_MASK,
+	},
+};
+
+static struct regmap_irq_chip da9061_irq_chip = {
+	.name = "da9061-irq",
+	.irqs = da9061_irqs,
+	.num_irqs = DA9061_NUM_IRQ,
+	.num_regs = 3,
+	.status_base = DA9062AA_EVENT_A,
+	.mask_base = DA9062AA_IRQ_MASK_A,
+	.ack_base = DA9062AA_EVENT_A,
+};
+
 static struct regmap_irq da9062_irqs[] = {
 	/* EVENT A */
 	[DA9062_IRQ_ONKEY] = {
@@ -102,6 +166,57 @@
 	.ack_base = DA9062AA_EVENT_A,
 };
 
+static struct resource da9061_core_resources[] = {
+	DEFINE_RES_IRQ_NAMED(DA9061_IRQ_VDD_WARN, "VDD_WARN"),
+};
+
+static struct resource da9061_regulators_resources[] = {
+	DEFINE_RES_IRQ_NAMED(DA9061_IRQ_LDO_LIM, "LDO_LIM"),
+};
+
+static struct resource da9061_thermal_resources[] = {
+	DEFINE_RES_IRQ_NAMED(DA9061_IRQ_TEMP, "THERMAL"),
+};
+
+static struct resource da9061_wdt_resources[] = {
+	DEFINE_RES_IRQ_NAMED(DA9061_IRQ_WDG_WARN, "WD_WARN"),
+};
+
+static struct resource da9061_onkey_resources[] = {
+	DEFINE_RES_IRQ_NAMED(DA9061_IRQ_ONKEY, "ONKEY"),
+};
+
+static const struct mfd_cell da9061_devs[] = {
+	{
+		.name		= "da9061-core",
+		.num_resources	= ARRAY_SIZE(da9061_core_resources),
+		.resources	= da9061_core_resources,
+	},
+	{
+		.name		= "da9062-regulators",
+		.num_resources	= ARRAY_SIZE(da9061_regulators_resources),
+		.resources	= da9061_regulators_resources,
+	},
+	{
+		.name		= "da9061-watchdog",
+		.num_resources	= ARRAY_SIZE(da9061_wdt_resources),
+		.resources	= da9061_wdt_resources,
+		.of_compatible  = "dlg,da9061-watchdog",
+	},
+	{
+		.name		= "da9061-thermal",
+		.num_resources	= ARRAY_SIZE(da9061_thermal_resources),
+		.resources	= da9061_thermal_resources,
+		.of_compatible  = "dlg,da9061-thermal",
+	},
+	{
+		.name		= "da9061-onkey",
+		.num_resources	= ARRAY_SIZE(da9061_onkey_resources),
+		.resources	= da9061_onkey_resources,
+		.of_compatible = "dlg,da9061-onkey",
+	},
+};
+
 static struct resource da9062_core_resources[] = {
 	DEFINE_RES_NAMED(DA9062_IRQ_VDD_WARN, 1, "VDD_WARN", IORESOURCE_IRQ),
 };
@@ -200,7 +315,8 @@ static int da9062_clear_fault_log(struct da9062 *chip)
 
 static int da9062_get_device_type(struct da9062 *chip)
 {
-	int device_id, variant_id, variant_mrc;
+	int device_id, variant_id, variant_mrc, variant_vrc;
+	char *type;
 	int ret;
 
 	ret = regmap_read(chip->regmap, DA9062AA_DEVICE_ID, &device_id);
@@ -219,9 +335,23 @@ static int da9062_get_device_type(struct da9062 *chip)
 		return -EIO;
 	}
 
+	variant_vrc = (variant_id & DA9062AA_VRC_MASK) >> DA9062AA_VRC_SHIFT;
+
+	switch (variant_vrc) {
+	case DA9062_PMIC_VARIANT_VRC_DA9061:
+		type = "DA9061";
+		break;
+	case DA9062_PMIC_VARIANT_VRC_DA9062:
+		type = "DA9062";
+		break;
+	default:
+		type = "Unknown";
+		break;
+	}
+
 	dev_info(chip->dev,
-		 "Device detected (device-ID: 0x%02X, var-ID: 0x%02X)\n",
-		 device_id, variant_id);
+		 "Device detected (device-ID: 0x%02X, var-ID: 0x%02X, %s)\n",
+		 device_id, variant_id, type);
 
 	variant_mrc = (variant_id & DA9062AA_MRC_MASK) >> DA9062AA_MRC_SHIFT;
 
@@ -234,6 +364,234 @@ static int da9062_get_device_type(struct da9062 *chip)
 	return ret;
 }
 
+static const struct regmap_range da9061_aa_readable_ranges[] = {
+	{
+		.range_min = DA9062AA_PAGE_CON,
+		.range_max = DA9062AA_STATUS_B,
+	}, {
+		.range_min = DA9062AA_STATUS_D,
+		.range_max = DA9062AA_EVENT_C,
+	}, {
+		.range_min = DA9062AA_IRQ_MASK_A,
+		.range_max = DA9062AA_IRQ_MASK_C,
+	}, {
+		.range_min = DA9062AA_CONTROL_A,
+		.range_max = DA9062AA_GPIO_4,
+	}, {
+		.range_min = DA9062AA_GPIO_WKUP_MODE,
+		.range_max = DA9062AA_GPIO_OUT3_4,
+	}, {
+		.range_min = DA9062AA_BUCK1_CONT,
+		.range_max = DA9062AA_BUCK4_CONT,
+	}, {
+		.range_min = DA9062AA_BUCK3_CONT,
+		.range_max = DA9062AA_BUCK3_CONT,
+	}, {
+		.range_min = DA9062AA_LDO1_CONT,
+		.range_max = DA9062AA_LDO4_CONT,
+	}, {
+		.range_min = DA9062AA_DVC_1,
+		.range_max = DA9062AA_DVC_1,
+	}, {
+		.range_min = DA9062AA_SEQ,
+		.range_max = DA9062AA_ID_4_3,
+	}, {
+		.range_min = DA9062AA_ID_12_11,
+		.range_max = DA9062AA_ID_16_15,
+	}, {
+		.range_min = DA9062AA_ID_22_21,
+		.range_max = DA9062AA_ID_32_31,
+	}, {
+		.range_min = DA9062AA_SEQ_A,
+		.range_max = DA9062AA_WAIT,
+	}, {
+		.range_min = DA9062AA_RESET,
+		.range_max = DA9062AA_BUCK_ILIM_C,
+	}, {
+		.range_min = DA9062AA_BUCK1_CFG,
+		.range_max = DA9062AA_BUCK3_CFG,
+	}, {
+		.range_min = DA9062AA_VBUCK1_A,
+		.range_max = DA9062AA_VBUCK4_A,
+	}, {
+		.range_min = DA9062AA_VBUCK3_A,
+		.range_max = DA9062AA_VBUCK3_A,
+	}, {
+		.range_min = DA9062AA_VLDO1_A,
+		.range_max = DA9062AA_VLDO4_A,
+	}, {
+		.range_min = DA9062AA_VBUCK1_B,
+		.range_max = DA9062AA_VBUCK4_B,
+	}, {
+		.range_min = DA9062AA_VBUCK3_B,
+		.range_max = DA9062AA_VBUCK3_B,
+	}, {
+		.range_min = DA9062AA_VLDO1_B,
+		.range_max = DA9062AA_VLDO4_B,
+	}, {
+		.range_min = DA9062AA_BBAT_CONT,
+		.range_max = DA9062AA_BBAT_CONT,
+	}, {
+		.range_min = DA9062AA_INTERFACE,
+		.range_max = DA9062AA_CONFIG_E,
+	}, {
+		.range_min = DA9062AA_CONFIG_G,
+		.range_max = DA9062AA_CONFIG_K,
+	}, {
+		.range_min = DA9062AA_CONFIG_M,
+		.range_max = DA9062AA_CONFIG_M,
+	}, {
+		.range_min = DA9062AA_GP_ID_0,
+		.range_max = DA9062AA_GP_ID_19,
+	}, {
+		.range_min = DA9062AA_DEVICE_ID,
+		.range_max = DA9062AA_CONFIG_ID,
+	},
+};
+
+static const struct regmap_range da9061_aa_writeable_ranges[] = {
+	{
+		.range_min = DA9062AA_PAGE_CON,
+		.range_max = DA9062AA_PAGE_CON,
+	}, {
+		.range_min = DA9062AA_FAULT_LOG,
+		.range_max = DA9062AA_EVENT_C,
+	}, {
+		.range_min = DA9062AA_IRQ_MASK_A,
+		.range_max = DA9062AA_IRQ_MASK_C,
+	}, {
+		.range_min = DA9062AA_CONTROL_A,
+		.range_max = DA9062AA_GPIO_4,
+	}, {
+		.range_min = DA9062AA_GPIO_WKUP_MODE,
+		.range_max = DA9062AA_GPIO_OUT3_4,
+	}, {
+		.range_min = DA9062AA_BUCK1_CONT,
+		.range_max = DA9062AA_BUCK4_CONT,
+	}, {
+		.range_min = DA9062AA_BUCK3_CONT,
+		.range_max = DA9062AA_BUCK3_CONT,
+	}, {
+		.range_min = DA9062AA_LDO1_CONT,
+		.range_max = DA9062AA_LDO4_CONT,
+	}, {
+		.range_min = DA9062AA_DVC_1,
+		.range_max = DA9062AA_DVC_1,
+	}, {
+		.range_min = DA9062AA_SEQ,
+		.range_max = DA9062AA_ID_4_3,
+	}, {
+		.range_min = DA9062AA_ID_12_11,
+		.range_max = DA9062AA_ID_16_15,
+	}, {
+		.range_min = DA9062AA_ID_22_21,
+		.range_max = DA9062AA_ID_32_31,
+	}, {
+		.range_min = DA9062AA_SEQ_A,
+		.range_max = DA9062AA_WAIT,
+	}, {
+		.range_min = DA9062AA_RESET,
+		.range_max = DA9062AA_BUCK_ILIM_C,
+	}, {
+		.range_min = DA9062AA_BUCK1_CFG,
+		.range_max = DA9062AA_BUCK3_CFG,
+	}, {
+		.range_min = DA9062AA_VBUCK1_A,
+		.range_max = DA9062AA_VBUCK4_A,
+	}, {
+		.range_min = DA9062AA_VBUCK3_A,
+		.range_max = DA9062AA_VBUCK3_A,
+	}, {
+		.range_min = DA9062AA_VLDO1_A,
+		.range_max = DA9062AA_VLDO4_A,
+	}, {
+		.range_min = DA9062AA_VBUCK1_B,
+		.range_max = DA9062AA_VBUCK4_B,
+	}, {
+		.range_min = DA9062AA_VBUCK3_B,
+		.range_max = DA9062AA_VBUCK3_B,
+	}, {
+		.range_min = DA9062AA_VLDO1_B,
+		.range_max = DA9062AA_VLDO4_B,
+	}, {
+		.range_min = DA9062AA_BBAT_CONT,
+		.range_max = DA9062AA_BBAT_CONT,
+	}, {
+		.range_min = DA9062AA_GP_ID_0,
+		.range_max = DA9062AA_GP_ID_19,
+	},
+};
+
+static const struct regmap_range da9061_aa_volatile_ranges[] = {
+	{
+		.range_min = DA9062AA_PAGE_CON,
+		.range_max = DA9062AA_STATUS_B,
+	}, {
+		.range_min = DA9062AA_STATUS_D,
+		.range_max = DA9062AA_EVENT_C,
+	}, {
+		.range_min = DA9062AA_CONTROL_A,
+		.range_max = DA9062AA_CONTROL_B,
+	}, {
+		.range_min = DA9062AA_CONTROL_E,
+		.range_max = DA9062AA_CONTROL_F,
+	}, {
+		.range_min = DA9062AA_BUCK1_CONT,
+		.range_max = DA9062AA_BUCK4_CONT,
+	}, {
+		.range_min = DA9062AA_BUCK3_CONT,
+		.range_max = DA9062AA_BUCK3_CONT,
+	}, {
+		.range_min = DA9062AA_LDO1_CONT,
+		.range_max = DA9062AA_LDO4_CONT,
+	}, {
+		.range_min = DA9062AA_DVC_1,
+		.range_max = DA9062AA_DVC_1,
+	}, {
+		.range_min = DA9062AA_SEQ,
+		.range_max = DA9062AA_SEQ,
+	},
+};
+
+static const struct regmap_access_table da9061_aa_readable_table = {
+	.yes_ranges = da9061_aa_readable_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9061_aa_readable_ranges),
+};
+
+static const struct regmap_access_table da9061_aa_writeable_table = {
+	.yes_ranges = da9061_aa_writeable_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9061_aa_writeable_ranges),
+};
+
+static const struct regmap_access_table da9061_aa_volatile_table = {
+	.yes_ranges = da9061_aa_volatile_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9061_aa_volatile_ranges),
+};
+
+static const struct regmap_range_cfg da9061_range_cfg[] = {
+	{
+		.range_min = DA9062AA_PAGE_CON,
+		.range_max = DA9062AA_CONFIG_ID,
+		.selector_reg = DA9062AA_PAGE_CON,
+		.selector_mask = 1 << DA9062_I2C_PAGE_SEL_SHIFT,
+		.selector_shift = DA9062_I2C_PAGE_SEL_SHIFT,
+		.window_start = 0,
+		.window_len = 256,
+	}
+};
+
+static struct regmap_config da9061_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.ranges = da9061_range_cfg,
+	.num_ranges = ARRAY_SIZE(da9061_range_cfg),
+	.max_register = DA9062AA_CONFIG_ID,
+	.cache_type = REGCACHE_RBTREE,
+	.rd_table = &da9061_aa_readable_table,
+	.wr_table = &da9061_aa_writeable_table,
+	.volatile_table = &da9061_aa_volatile_table,
+};
+
 static const struct regmap_range da9062_aa_readable_ranges[] = {
 	{
 		.range_min = DA9062AA_PAGE_CON,
@@ -456,17 +814,39 @@ static int da9062_get_device_type(struct da9062 *chip)
 	.volatile_table = &da9062_aa_volatile_table,
 };
 
+static const struct of_device_id da9062_dt_ids[] = {
+	{ .compatible = "dlg,da9061", .data = (void *)COMPAT_TYPE_DA9061, },
+	{ .compatible = "dlg,da9062", .data = (void *)COMPAT_TYPE_DA9062, },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, da9062_dt_ids);
+
 static int da9062_i2c_probe(struct i2c_client *i2c,
 	const struct i2c_device_id *id)
 {
 	struct da9062 *chip;
+	const struct of_device_id *match;
 	unsigned int irq_base;
+	const struct mfd_cell *cell;
+	const struct regmap_irq_chip *irq_chip;
+	const struct regmap_config *config;
+	int cell_num;
 	int ret;
 
 	chip = devm_kzalloc(&i2c->dev, sizeof(*chip), GFP_KERNEL);
 	if (!chip)
 		return -ENOMEM;
 
+	if (i2c->dev.of_node) {
+		match = of_match_node(da9062_dt_ids, i2c->dev.of_node);
+		if (!match)
+			return -EINVAL;
+
+		chip->chip_type = (int)match->data;
+	} else {
+		chip->chip_type = id->driver_data;
+	}
+
 	i2c_set_clientdata(i2c, chip);
 	chip->dev = &i2c->dev;
 
@@ -475,7 +855,25 @@ static int da9062_i2c_probe(struct i2c_client *i2c,
 		return -EINVAL;
 	}
 
-	chip->regmap = devm_regmap_init_i2c(i2c, &da9062_regmap_config);
+	switch (chip->chip_type) {
+	case(COMPAT_TYPE_DA9061):
+		cell = da9061_devs;
+		cell_num = ARRAY_SIZE(da9061_devs);
+		irq_chip = &da9061_irq_chip;
+		config = &da9061_regmap_config;
+		break;
+	case(COMPAT_TYPE_DA9062):
+		cell = da9062_devs;
+		cell_num = ARRAY_SIZE(da9062_devs);
+		irq_chip = &da9062_irq_chip;
+		config = &da9062_regmap_config;
+		break;
+	default:
+		dev_err(chip->dev, "Unrecognised chip type\n");
+		return -ENODEV;
+	}
+
+	chip->regmap = devm_regmap_init_i2c(i2c, config);
 	if (IS_ERR(chip->regmap)) {
 		ret = PTR_ERR(chip->regmap);
 		dev_err(chip->dev, "Failed to allocate register map: %d\n",
@@ -493,7 +891,7 @@ static int da9062_i2c_probe(struct i2c_client *i2c,
 
 	ret = regmap_add_irq_chip(chip->regmap, i2c->irq,
 			IRQF_TRIGGER_LOW | IRQF_ONESHOT | IRQF_SHARED,
-			-1, &da9062_irq_chip,
+			-1, irq_chip,
 			&chip->regmap_irq);
 	if (ret) {
 		dev_err(chip->dev, "Failed to request IRQ %d: %d\n",
@@ -503,8 +901,8 @@ static int da9062_i2c_probe(struct i2c_client *i2c,
 
 	irq_base = regmap_irq_chip_get_base(chip->regmap_irq);
 
-	ret = mfd_add_devices(chip->dev, PLATFORM_DEVID_NONE, da9062_devs,
-			      ARRAY_SIZE(da9062_devs), NULL, irq_base,
+	ret = mfd_add_devices(chip->dev, PLATFORM_DEVID_NONE, cell,
+			      cell_num, NULL, irq_base,
 			      NULL);
 	if (ret) {
 		dev_err(chip->dev, "Cannot register child devices\n");
@@ -526,17 +924,12 @@ static int da9062_i2c_remove(struct i2c_client *i2c)
 }
 
 static const struct i2c_device_id da9062_i2c_id[] = {
-	{ "da9062", 0 },
+	{ "da9061", COMPAT_TYPE_DA9061 },
+	{ "da9062", COMPAT_TYPE_DA9062 },
 	{ },
 };
 MODULE_DEVICE_TABLE(i2c, da9062_i2c_id);
 
-static const struct of_device_id da9062_dt_ids[] = {
-	{ .compatible = "dlg,da9062", },
-	{ }
-};
-MODULE_DEVICE_TABLE(of, da9062_dt_ids);
-
 static struct i2c_driver da9062_i2c_driver = {
 	.driver = {
 		.name = "da9062",
@@ -549,6 +942,6 @@ static int da9062_i2c_remove(struct i2c_client *i2c)
 
 module_i2c_driver(da9062_i2c_driver);
 
-MODULE_DESCRIPTION("Core device driver for Dialog DA9062");
+MODULE_DESCRIPTION("Core device driver for Dialog DA9061 and DA9062");
 MODULE_AUTHOR("Steve Twiss <stwiss.opensource@diasemi.com>");
 MODULE_LICENSE("GPL");
diff --git a/include/linux/mfd/da9062/core.h b/include/linux/mfd/da9062/core.h
index 376ba84..74d33a0 100644
--- a/include/linux/mfd/da9062/core.h
+++ b/include/linux/mfd/da9062/core.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2015  Dialog Semiconductor Ltd.
+ * Copyright (C) 2015-2017  Dialog Semiconductor
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -18,7 +18,31 @@
 #include <linux/interrupt.h>
 #include <linux/mfd/da9062/registers.h>
 
-/* Interrupts */
+enum da9062_compatible_types {
+	COMPAT_TYPE_DA9061 = 1,
+	COMPAT_TYPE_DA9062,
+};
+
+enum da9061_irqs {
+	/* IRQ A */
+	DA9061_IRQ_ONKEY,
+	DA9061_IRQ_WDG_WARN,
+	DA9061_IRQ_SEQ_RDY,
+	/* IRQ B*/
+	DA9061_IRQ_TEMP,
+	DA9061_IRQ_LDO_LIM,
+	DA9061_IRQ_DVC_RDY,
+	DA9061_IRQ_VDD_WARN,
+	/* IRQ C */
+	DA9061_IRQ_GPI0,
+	DA9061_IRQ_GPI1,
+	DA9061_IRQ_GPI2,
+	DA9061_IRQ_GPI3,
+	DA9061_IRQ_GPI4,
+
+	DA9061_NUM_IRQ,
+};
+
 enum da9062_irqs {
 	/* IRQ A */
 	DA9062_IRQ_ONKEY,
@@ -45,6 +69,7 @@ struct da9062 {
 	struct device *dev;
 	struct regmap *regmap;
 	struct regmap_irq_chip_data *regmap_irq;
+	enum da9062_compatible_types chip_type;
 };
 
 #endif /* __MFD_DA9062_CORE_H__ */
diff --git a/include/linux/mfd/da9062/registers.h b/include/linux/mfd/da9062/registers.h
index 97790d1..18d576a 100644
--- a/include/linux/mfd/da9062/registers.h
+++ b/include/linux/mfd/da9062/registers.h
@@ -1,6 +1,5 @@
 /*
- * registers.h - REGISTERS H for DA9062
- * Copyright (C) 2015  Dialog Semiconductor Ltd.
+ * Copyright (C) 2015-2017  Dialog Semiconductor
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -18,6 +17,8 @@
 
 #define DA9062_PMIC_DEVICE_ID		0x62
 #define DA9062_PMIC_VARIANT_MRC_AA	0x01
+#define DA9062_PMIC_VARIANT_VRC_DA9061	0x01
+#define DA9062_PMIC_VARIANT_VRC_DA9062	0x02
 
 #define DA9062_I2C_PAGE_SEL_SHIFT	1
 
-- 
end-of-patch for PATCH V6

Re: [PATCH V6 4/7] mfd: da9061: MFD core support

[kbuild test robot]

[-- Attachment #1: Type: text/plain, Size: 1838 bytes --]

Hi Steve,

[auto build test WARNING on ljones-mfd/for-mfd-next]
[also build test WARNING on v4.11-rc4 next-20170327]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Steve-Twiss/Documentation-devicetree-watchdog-da9062-61-watchdog-timer-binding/20170327-215359
base:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
config: x86_64-randconfig-x009-201713 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   drivers//mfd/da9062-core.c: In function 'da9062_i2c_probe':
>> drivers//mfd/da9062-core.c:845:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
      chip->chip_type = (int)match->data;
                        ^

vim +845 drivers//mfd/da9062-core.c

   829		unsigned int irq_base;
   830		const struct mfd_cell *cell;
   831		const struct regmap_irq_chip *irq_chip;
   832		const struct regmap_config *config;
   833		int cell_num;
   834		int ret;
   835	
   836		chip = devm_kzalloc(&i2c->dev, sizeof(*chip), GFP_KERNEL);
   837		if (!chip)
   838			return -ENOMEM;
   839	
   840		if (i2c->dev.of_node) {
   841			match = of_match_node(da9062_dt_ids, i2c->dev.of_node);
   842			if (!match)
   843				return -EINVAL;
   844	
 > 845			chip->chip_type = (int)match->data;
   846		} else {
   847			chip->chip_type = id->driver_data;
   848		}
   849	
   850		i2c_set_clientdata(i2c, chip);
   851		chip->dev = &i2c->dev;
   852	
   853		if (!i2c->irq) {

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 28916 bytes --]

Re: [PATCH V6 4/7] mfd: da9061: MFD core support

[Lee Jones]

On Mon, 27 Mar 2017, kbuild test robot wrote:

> Hi Steve,
> 
> [auto build test WARNING on ljones-mfd/for-mfd-next]
> [also build test WARNING on v4.11-rc4 next-20170327]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> 
> url:    https://github.com/0day-ci/linux/commits/Steve-Twiss/Documentation-devicetree-watchdog-da9062-61-watchdog-timer-binding/20170327-215359
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
> config: x86_64-randconfig-x009-201713 (attached as .config)
> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=x86_64 
> 
> All warnings (new ones prefixed by >>):
> 
>    drivers//mfd/da9062-core.c: In function 'da9062_i2c_probe':
> >> drivers//mfd/da9062-core.c:845:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
>       chip->chip_type = (int)match->data;
>                         ^

Please use longs or enums.

> vim +845 drivers//mfd/da9062-core.c
> 
>    829		unsigned int irq_base;
>    830		const struct mfd_cell *cell;
>    831		const struct regmap_irq_chip *irq_chip;
>    832		const struct regmap_config *config;
>    833		int cell_num;
>    834		int ret;
>    835	
>    836		chip = devm_kzalloc(&i2c->dev, sizeof(*chip), GFP_KERNEL);
>    837		if (!chip)
>    838			return -ENOMEM;
>    839	
>    840		if (i2c->dev.of_node) {
>    841			match = of_match_node(da9062_dt_ids, i2c->dev.of_node);
>    842			if (!match)
>    843				return -EINVAL;
>    844	
>  > 845			chip->chip_type = (int)match->data;
>    846		} else {
>    847			chip->chip_type = id->driver_data;
>    848		}
>    849	
>    850		i2c_set_clientdata(i2c, chip);
>    851		chip->dev = &i2c->dev;
>    852	
>    853		if (!i2c->irq) {
> 
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation



-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

Re: [PATCH V6 4/7] mfd: da9061: MFD core support

[Geert Uytterhoeven]

Hi Lee,

On Tue, Mar 28, 2017 at 10:21 AM, Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> wrote:
>> [auto build test WARNING on ljones-mfd/for-mfd-next]
>> [also build test WARNING on v4.11-rc4 next-20170327]
>> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
>>
>> url:    https://github.com/0day-ci/linux/commits/Steve-Twiss/Documentation-devicetree-watchdog-da9062-61-watchdog-timer-binding/20170327-215359
>> base:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
>> config: x86_64-randconfig-x009-201713 (attached as .config)
>> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
>> reproduce:
>>         # save the attached .config to linux build tree
>>         make ARCH=x86_64
>>
>> All warnings (new ones prefixed by >>):
>>
>>    drivers//mfd/da9062-core.c: In function 'da9062_i2c_probe':
>> >> drivers//mfd/da9062-core.c:845:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
>>       chip->chip_type = (int)match->data;
>>                        ^
>
> Please use longs or enums.

Enums would still give a warning on 64-bit.
The simple fix is change the cast from (int) to (uintptr_t).

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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RE: [PATCH V6 4/7] mfd: da9061: MFD core support

[Steve Twiss]

On 28 March 2017 09:37, Geert Uytterhoeven wrote:
> Subject: Re: [PATCH V6 4/7] mfd: da9061: MFD core support
> 
> Hi Lee,
> 
> On Tue, Mar 28, 2017 at 10:21 AM, Lee Jones <lee.jones@linaro.org> wrote:
> >> [auto build test WARNING on ljones-mfd/for-mfd-next]
> >> [also build test WARNING on v4.11-rc4 next-20170327]
> >> base:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
> >> config: x86_64-randconfig-x009-201713 (attached as .config)
> >> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
> >> reproduce:
> >>         # save the attached .config to linux build tree
> >>         make ARCH=x86_64
> >>
> >> All warnings (new ones prefixed by >>):
> >>
> >>    drivers//mfd/da9062-core.c: In function 'da9062_i2c_probe':
> >> >> drivers//mfd/da9062-core.c:845:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
> >>       chip->chip_type = (int)match->data;
> >>                        ^
> >
> > Please use longs or enums.
> 
> Enums would still give a warning on 64-bit.
> The simple fix is change the cast from (int) to (uintptr_t).

Hi Lee and Geert,

How about this? Fix by redefining the enum chip_type to be an int.
Then, just use substitution:
#define COMPAT_TYPE_DA9061  1
#define COMPAT_TYPE_DA9062  2

That would be simple.
Are there any reasons this would not be acceptable?

Regards,
Steve

Re: [PATCH V6 4/7] mfd: da9061: MFD core support

[Geert Uytterhoeven]

Hi Steve,

On Tue, Mar 28, 2017 at 12:42 PM, Steve Twiss
<stwiss.opensource@diasemi.com> wrote:
> On 28 March 2017 09:37, Geert Uytterhoeven wrote:
>> Subject: Re: [PATCH V6 4/7] mfd: da9061: MFD core support
>> On Tue, Mar 28, 2017 at 10:21 AM, Lee Jones <lee.jones@linaro.org> wrote:
>> >> [auto build test WARNING on ljones-mfd/for-mfd-next]
>> >> [also build test WARNING on v4.11-rc4 next-20170327]
>> >> base:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
>> >> config: x86_64-randconfig-x009-201713 (attached as .config)
>> >> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
>> >> reproduce:
>> >>         # save the attached .config to linux build tree
>> >>         make ARCH=x86_64
>> >>
>> >> All warnings (new ones prefixed by >>):
>> >>
>> >>    drivers//mfd/da9062-core.c: In function 'da9062_i2c_probe':
>> >> >> drivers//mfd/da9062-core.c:845:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
>> >>       chip->chip_type = (int)match->data;
>> >>                        ^
>> >
>> > Please use longs or enums.
>>
>> Enums would still give a warning on 64-bit.
>> The simple fix is change the cast from (int) to (uintptr_t).
>
> Hi Lee and Geert,
>
> How about this? Fix by redefining the enum chip_type to be an int.
> Then, just use substitution:
> #define COMPAT_TYPE_DA9061  1
> #define COMPAT_TYPE_DA9062  2
>
> That would be simple.
> Are there any reasons this would not be acceptable?

I don't see how that can help.
The warning is caused by casting the "void *" (which is either 32-bit or
64-bit) in of_device_if.data to an integer or enum (which is always 32-bit).

The right fix is to cast it to uintptr_t intead of int, like other drivers do.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

RE: [PATCH V6 4/7] mfd: da9061: MFD core support

[Steve Twiss]

On 28 March 2017 11:51, Geert Uytterhoeven wrote:
> Hi Steve,
> 
> On Tue, Mar 28, 2017 at 12:42 PM, Steve Twiss wrote:
> > On 28 March 2017 09:37, Geert Uytterhoeven wrote:
> >> Subject: Re: [PATCH V6 4/7] mfd: da9061: MFD core support
> >> On Tue, Mar 28, 2017 at 10:21 AM, Lee Jones <lee.jones@linaro.org> wrote:
> >> >> [auto build test WARNING on ljones-mfd/for-mfd-next]
> >> >> [also build test WARNING on v4.11-rc4 next-20170327]
> >> >> base:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
> >> >> config: x86_64-randconfig-x009-201713 (attached as .config)
> >> >> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
> >> >> reproduce:
> >> >>         # save the attached .config to linux build tree
> >> >>         make ARCH=x86_64
> >> >>
> >> >> All warnings (new ones prefixed by >>):
> >> >>
> >> >>    drivers//mfd/da9062-core.c: In function 'da9062_i2c_probe':
> >> >> >> drivers//mfd/da9062-core.c:845:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
> >> >>       chip->chip_type = (int)match->data;
> >> >>                        ^
> >> >
> >> > Please use longs or enums.
> >>
> >> Enums would still give a warning on 64-bit.
> >> The simple fix is change the cast from (int) to (uintptr_t).
> >
> > Hi Lee and Geert,
> >
> > How about this? Fix by redefining the enum chip_type to be an int.
> > Then, just use substitution:
> > #define COMPAT_TYPE_DA9061  1
> > #define COMPAT_TYPE_DA9062  2
> >
> > That would be simple.
> > Are there any reasons this would not be acceptable?
> 
> I don't see how that can help.
> The warning is caused by casting the "void *" (which is either 32-bit or
> 64-bit) in of_device_if.data to an integer or enum (which is always 32-bit).
> 
> The right fix is to cast it to uintptr_t intead of int, like other drivers do.

Thanks Geert,
Um. Of course. Thanks, and my apologies. It would have helped if I had compile tested the right file  :(
I'll follow the convention and cast (uintptr_t).
Thanks,
Steve

Re: [PATCH V6 4/7] mfd: da9061: MFD core support

[Lee Jones]

On Tue, 28 Mar 2017, Geert Uytterhoeven wrote:

> Hi Steve,
> 
> On Tue, Mar 28, 2017 at 12:42 PM, Steve Twiss
> <stwiss.opensource-WBD+wuPFNBhBDgjK7y7TUQ@public.gmane.org> wrote:
> > On 28 March 2017 09:37, Geert Uytterhoeven wrote:
> >> Subject: Re: [PATCH V6 4/7] mfd: da9061: MFD core support
> >> On Tue, Mar 28, 2017 at 10:21 AM, Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> wrote:
> >> >> [auto build test WARNING on ljones-mfd/for-mfd-next]
> >> >> [also build test WARNING on v4.11-rc4 next-20170327]
> >> >> base:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
> >> >> config: x86_64-randconfig-x009-201713 (attached as .config)
> >> >> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
> >> >> reproduce:
> >> >>         # save the attached .config to linux build tree
> >> >>         make ARCH=x86_64
> >> >>
> >> >> All warnings (new ones prefixed by >>):
> >> >>
> >> >>    drivers//mfd/da9062-core.c: In function 'da9062_i2c_probe':
> >> >> >> drivers//mfd/da9062-core.c:845:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
> >> >>       chip->chip_type = (int)match->data;
> >> >>                        ^
> >> >
> >> > Please use longs or enums.
> >>
> >> Enums would still give a warning on 64-bit.
> >> The simple fix is change the cast from (int) to (uintptr_t).
> >
> > Hi Lee and Geert,
> >
> > How about this? Fix by redefining the enum chip_type to be an int.
> > Then, just use substitution:
> > #define COMPAT_TYPE_DA9061  1
> > #define COMPAT_TYPE_DA9062  2
> >
> > That would be simple.
> > Are there any reasons this would not be acceptable?
> 
> I don't see how that can help.
> The warning is caused by casting the "void *" (which is either 32-bit or
> 64-bit) in of_device_if.data to an integer or enum (which is always 32-bit).
> 
> The right fix is to cast it to uintptr_t intead of int, like other drivers do.

That's a hack though, isn't it?  chip->chip_type is not of type
uintptr_t, so all you're doing here is making the compiler happy.

I see people using (int)(uintptr_t), which I guess keeps the
compiler happy in the first instance and actually culminates in a
correct cast to the right type.

So how about something like (enum da9062_compatible_types)(long)?

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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Re: [PATCH V6 4/7] mfd: da9061: MFD core support

[Geert Uytterhoeven]

Hi Lee,

On Wed, Mar 29, 2017 at 10:30 AM, Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> wrote:
> On Tue, 28 Mar 2017, Geert Uytterhoeven wrote:
>> On Tue, Mar 28, 2017 at 12:42 PM, Steve Twiss
>> <stwiss.opensource-WBD+wuPFNBhBDgjK7y7TUQ@public.gmane.org> wrote:
>> > On 28 March 2017 09:37, Geert Uytterhoeven wrote:
>> >> Subject: Re: [PATCH V6 4/7] mfd: da9061: MFD core support
>> >> On Tue, Mar 28, 2017 at 10:21 AM, Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> wrote:
>> >> >> [auto build test WARNING on ljones-mfd/for-mfd-next]
>> >> >> [also build test WARNING on v4.11-rc4 next-20170327]
>> >> >> base:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
>> >> >> config: x86_64-randconfig-x009-201713 (attached as .config)
>> >> >> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
>> >> >> reproduce:
>> >> >>         # save the attached .config to linux build tree
>> >> >>         make ARCH=x86_64
>> >> >>
>> >> >> All warnings (new ones prefixed by >>):
>> >> >>
>> >> >>    drivers//mfd/da9062-core.c: In function 'da9062_i2c_probe':
>> >> >> >> drivers//mfd/da9062-core.c:845:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
>> >> >>       chip->chip_type = (int)match->data;
>> >> >>                        ^
>> >> >
>> >> > Please use longs or enums.
>> >>
>> >> Enums would still give a warning on 64-bit.
>> >> The simple fix is change the cast from (int) to (uintptr_t).
>> >
>> > Hi Lee and Geert,
>> >
>> > How about this? Fix by redefining the enum chip_type to be an int.
>> > Then, just use substitution:
>> > #define COMPAT_TYPE_DA9061  1
>> > #define COMPAT_TYPE_DA9062  2
>> >
>> > That would be simple.
>> > Are there any reasons this would not be acceptable?
>>
>> I don't see how that can help.
>> The warning is caused by casting the "void *" (which is either 32-bit or
>> 64-bit) in of_device_if.data to an integer or enum (which is always 32-bit).
>>
>> The right fix is to cast it to uintptr_t intead of int, like other drivers do.
>
> That's a hack though, isn't it?  chip->chip_type is not of type
> uintptr_t, so all you're doing here is making the compiler happy.

It's a hack, in the sense that using casts is usually a hack :-)
(I would love for C to have casts you can easily grep for, like C++ has)

In this case, it's not really a hack, as the void * is intended to store
arbitrary data, both pointers and integers.

> I see people using (int)(uintptr_t), which I guess keeps the
> compiler happy in the first instance and actually culminates in a
> correct cast to the right type.

The cast to int isn't really needed.

> So how about something like (enum da9062_compatible_types)(long)?

"uintptr_t" is the proper C standard type for conversion between pointers and
integers.  The cast to the enum isn't really needed, so I'd remove it (the
less number of casts, the better!).

Long is the hack that works on ILP32 and LP64 platforms only ;-)

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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[PATCH V6 3/7] Documentation: devicetree: mfd: da9062/61 MFD binding

[Steve Twiss]

From: Steve Twiss <stwiss.opensource-WBD+wuPFNBhBDgjK7y7TUQ@public.gmane.org>

Extend existing DA9062 binding information to include the DA9061 PMIC for
MFD core and regulators.

Add a da9062-onkey link to the existing onkey binding file.

Add a da9062-thermal link to the new temperature monitoring binding file.

Delete the da9062-watchdog section and replace it with a link to the new
DA9061/62 binding information file.

Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Signed-off-by: Steve Twiss <stwiss.opensource-WBD+wuPFNBhBDgjK7y7TUQ@public.gmane.org>

---
This patch applies against linux-next and v4.11-rc3

v5 -> v6
 - NO CODE CHANGE
 - Rebased from v4.9 to v4.11-rc3

v4 -> v5
 - NO CODE CHANGE
 - Rebased from v4.8 to v4.9

v3 -> v4
 - Patch renamed from [PATCH V3 4/9] to [PATCH V4 3/8]
 - Remove double newline spacing in text file
 - Added Acked-by Rob Herring

v2 -> v3
 - Patch renamed from [PATCH V2 04/10] to [PATCH V3 4/9]
 - Ensure binding description concentrates on the device not the
   device driver
 - Separate the DA9061 and DA9062 sub-device tables to distinguish
   the difference between the two devices
 - Update the commit message to describe this change
 - Add e-mail information about associated patches from this set
   without describing them as being explicitly dependent on this
   binding

v1 -> v2
 - Patch renamed from [PATCH V1 09/10] to [PATCH V2 04/10] -- these
   changes were made to fix checkpatch warnings caused by the patch
   set dependency order

Hi,

Added an Ack from Rob Herring for the PATCH V3 version.

As previously:
Other information:
The device driver from this patch set (associated with this binding) is

- [PATCH V5 4/8] mfd: da9061: MFD core support

and also the following binding file changes:

- Binding for onkey (already applied by Dmitry Torokhov)
- [PATCH V5 1/8] Binding for watchdog
- [PATCH V5 2/8] Binding for thermal

Regards,
Steve Twiss, Dialog Semiconductor


 Documentation/devicetree/bindings/mfd/da9062.txt | 49 +++++++++++++++++-------
 1 file changed, 36 insertions(+), 13 deletions(-)

diff --git a/Documentation/devicetree/bindings/mfd/da9062.txt b/Documentation/devicetree/bindings/mfd/da9062.txt
index 38802b5..c0a418c 100644
--- a/Documentation/devicetree/bindings/mfd/da9062.txt
+++ b/Documentation/devicetree/bindings/mfd/da9062.txt
@@ -1,22 +1,39 @@
 * Dialog DA9062 Power Management Integrated Circuit (PMIC)
 
-DA9062 consists of a large and varied group of sub-devices:
+Product information for the DA9062 and DA9061 devices can be found here:
+- http://www.dialog-semiconductor.com/products/da9062
+- http://www.dialog-semiconductor.com/products/da9061
+
+The DA9062 PMIC consists of:
 
 Device                   Supply Names    Description
 ------                   ------------    -----------
 da9062-regulator        :               : LDOs & BUCKs
 da9062-rtc              :               : Real-Time Clock
+da9062-onkey            :               : On Key
+da9062-watchdog         :               : Watchdog Timer
+da9062-thermal          :               : Thermal
+
+The DA9061 PMIC consists of:
+
+Device                   Supply Names    Description
+------                   ------------    -----------
+da9062-regulator        :               : LDOs & BUCKs
+da9062-onkey            :               : On Key
 da9062-watchdog         :               : Watchdog Timer
+da9062-thermal          :               : Thermal
 
 ======
 
 Required properties:
 
-- compatible : Should be "dlg,da9062".
+- compatible : Should be
+    "dlg,da9062" for DA9062
+    "dlg,da9061" for DA9061
 - reg : Specifies the I2C slave address (this defaults to 0x58 but it can be
   modified to match the chip's OTP settings).
 - interrupt-parent : Specifies the reference to the interrupt controller for
-  the DA9062.
+  the DA9062 or DA9061.
 - interrupts : IRQ line information.
 - interrupt-controller
 
@@ -25,8 +42,8 @@ further information on IRQ bindings.
 
 Sub-nodes:
 
-- regulators : This node defines the settings for the LDOs and BUCKs. The
-  DA9062 regulators are bound using their names listed below:
+- regulators : This node defines the settings for the LDOs and BUCKs.
+  The DA9062 regulators are bound using their names listed below:
 
     buck1    : BUCK_1
     buck2    : BUCK_2
@@ -37,19 +54,29 @@ Sub-nodes:
     ldo3     : LDO_3
     ldo4     : LDO_4
 
+  The DA9061 regulators are bound using their names listed below:
+
+    buck1    : BUCK_1
+    buck2    : BUCK_2
+    buck3    : BUCK_3
+    ldo1     : LDO_1
+    ldo2     : LDO_2
+    ldo3     : LDO_3
+    ldo4     : LDO_4
+
   The component follows the standard regulator framework and the bindings
   details of individual regulator device can be found in:
   Documentation/devicetree/bindings/regulator/regulator.txt
 
-
 - rtc : This node defines settings required for the Real-Time Clock associated
   with the DA9062. There are currently no entries in this binding, however
   compatible = "dlg,da9062-rtc" should be added if a node is created.
 
-- watchdog: This node defines the settings for the watchdog driver associated
-  with the DA9062 PMIC. The compatible = "dlg,da9062-watchdog" should be added
-  if a node is created.
+- onkey : See ../input/da9062-onkey.txt
+
+- watchdog: See ../watchdog/da9062-watchdog.txt
 
+- thermal : See ../thermal/da9062-thermal.txt
 
 Example:
 
@@ -64,10 +91,6 @@ Example:
 			compatible = "dlg,da9062-rtc";
 		};
 
-		watchdog {
-			compatible = "dlg,da9062-watchdog";
-		};
-
 		regulators {
 			DA9062_BUCK1: buck1 {
 				regulator-name = "BUCK1";
-- 
end-of-patch for PATCH V6

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[PATCH V6 2/7] Documentation: devicetree: thermal: da9062/61 TJUNC temperature binding

[Steve Twiss]

From: Steve Twiss <stwiss.opensource-WBD+wuPFNBhBDgjK7y7TUQ@public.gmane.org>

Device tree binding information for DA9062 and DA9061 thermal junction
temperature monitor.

Binding descriptions for the DA9061 and DA9062 thermal TJUNC supervisor
device driver, using a single THERMAL_TRIP_HOT trip-wire and allowing for
a configurable polling period for over-temperature polling.

This patch also adds two examples, one for DA9062 and one for DA9061. The 
DA9061 example uses a fall-back compatible string for the DA9062.

Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Signed-off-by: Steve Twiss <stwiss.opensource-WBD+wuPFNBhBDgjK7y7TUQ@public.gmane.org>

---
This patch applies against linux-next and v4.11-rc3

v5 -> v6
 - NO CODE CHANGE
 - Rebased from v4.9 to v4.11-rc3
 - Added Acked-by Rob Herring

v4 -> v5
 - Rebased from v4.8 to v4.9
 - Updates from comments by Eduardo Valentin
 - Replace vendor defined dlg,tjunc-temp-polling-period-ms with standard
   thermal core polling-delay-passive as part of the device tree
   initialisation
 - Remove Acked-by Rob Herring

v3 -> v4
 - NO CODE CHANGE
 - Patch renamed from [PATCH V3 3/9] to [PATCH V4 2/8]
 - Added Acked-by Rob Herring

v2 -> v3
 - Patch renamed from [PATCH V2 03/10] to [PATCH V3 3/9]
 - Changes suggested from other component reviews by Rob Herring:
 - Each compatible line should be a valid combination of compatible
   strings: alter DA9061 line to include the fall back compatible string
   and update the commit message accordingly
 - Add e-mail information about associated patches from this set without
   describing them as being explicitly dependent on this binding

v1 -> v2
 - Patch renamed from [PATCH V1 08/10] to [PATCH V2 03/10] -- these
   changes were made to fix checkpatch warnings caused by the patch
   set dependency order
 - A second example for DA9061 is provided to highlight the use of a
   fall-back compatible option for the DA9062

Hi,

No code changes for this version PATCH V5.

As previously:
The device driver from this patch set (associated with this binding) is:
  [PATCH V5 7/8] thermal: da9061: TJUNC temperature driver 

Regards,
Steve Twiss, Dialog Semiconductor


 .../devicetree/bindings/thermal/da9062-thermal.txt | 37 ++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/thermal/da9062-thermal.txt

diff --git a/Documentation/devicetree/bindings/thermal/da9062-thermal.txt b/Documentation/devicetree/bindings/thermal/da9062-thermal.txt
new file mode 100644
index 0000000..08cc72e
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/da9062-thermal.txt
@@ -0,0 +1,37 @@
+* Dialog DA9062/61 TJUNC Thermal Module
+
+This module is part of the DA9061/DA9062. For more details about entire
+DA9062 and DA9061 chips see Documentation/devicetree/bindings/mfd/da9062.txt
+
+Junction temperature thermal module uses an interrupt signal to identify
+high THERMAL_TRIP_HOT temperatures for the PMIC device.
+
+Required properties:
+
+- compatible: should be one of the following valid compatible string lines:
+        "dlg,da9061-thermal", "dlg,da9062-thermal"
+        "dlg,da9062-thermal"
+
+Optional properties:
+
+- polling-delay-passive : Specify the polling period, measured in
+    milliseconds, between thermal zone device update checks.
+
+Example: DA9062
+
+	pmic0: da9062@58 {
+		thermal {
+			compatible = "dlg,da9062-thermal";
+			polling-delay-passive = <3000>;
+		};
+	};
+
+Example: DA9061 using a fall-back compatible for the DA9062 onkey driver
+
+	pmic0: da9061@58 {
+		thermal {
+			compatible = "dlg,da9061-thermal", "dlg,da9062-thermal";
+			polling-delay-passive = <3000>;
+		};
+	};
+
-- 
end-of-patch for PATCH V6

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[PATCH V6 5/7] regulator: da9061: BUCK and LDO regulator driver

[Steve Twiss]

From: Steve Twiss <stwiss.opensource-WBD+wuPFNBhBDgjK7y7TUQ@public.gmane.org>

Regulator support for the DA9061 is added into the DA9062 regulator driver.
 
The regulators for DA9061 differ from those of DA9062.
A new DA9061 enumeration list for the LDOs and Bucks supported by this
device is added. Regulator information added: the old regulator
information for DA9062 is renamed from local_regulator_info[] to
local_da9062_regulator_info[] and a new array is added to support
local_da9061_regulator_info[].

The probe() function switches on the da9062_compatible_types enumeration
and configures the correct da9062_regulator_info array and number of
regulator entries.

Kconfig is updated to reflect support for DA9061 and DA9062 regulators.

Acked-by: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Signed-off-by: Steve Twiss <stwiss.opensource-WBD+wuPFNBhBDgjK7y7TUQ@public.gmane.org>

---
This patch applies against linux-next and v4.11-rc3

v5 -> v6
 - Rebased from v4.9 to v4.11-rc3
 - Modify Copyright to match Dialog latest legal statement

v4 -> v5
 - Rebased from v4.8 to v4.9
 - NO CODE CHANGE

v3 -> v4
 - NO CODE CHANGE
 - Patch renamed from [PATCH V3 6/9] to [PATCH V4 5/8]

v2 -> v3
 - NO CODE CHANGE
 - Patch renamed from [PATCH V2 06/10] to [PATCH V3 6/9]
 - Added Ack from Mark Brown

v1 -> v2
 - Patch renamed from [PATCH V1 02/10] to [PATCH V2 06/10] -- these
   changes were made to fix checkpatch warnings caused by the patch
   set dependency order
 - Updated header to use DA9061 and DA9062

Hi,

Updated copyright header slightly to match Dialog's legal expectation.
No code changes for this version PATCH V5.

As previously:
These changes depend on a header file provided as part of an earlier
patch [PATCH V5 4/8] from this set. The regulator probe() switches on
the chip_type which uses enum da9062_compatible_types in core.h from this
patch.

Regards,
Steve Twiss, Dialog Semiconductor


 drivers/regulator/Kconfig            |   4 +-
 drivers/regulator/da9062-regulator.c | 303 +++++++++++++++++++++++++++++++++--
 2 files changed, 293 insertions(+), 14 deletions(-)

diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index be06eb2..c2e67f12 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -195,11 +195,11 @@ config REGULATOR_DA9055
 	  will be called da9055-regulator.
 
 config REGULATOR_DA9062
-	tristate "Dialog Semiconductor DA9062 regulators"
+	tristate "Dialog Semiconductor DA9061/62 regulators"
 	depends on MFD_DA9062
 	help
 	  Say y here to support the BUCKs and LDOs regulators found on
-	  DA9062 PMICs.
+	  DA9061 and DA9062 PMICs.
 
 	  This driver can also be built as a module. If so, the module
 	  will be called da9062-regulator.
diff --git a/drivers/regulator/da9062-regulator.c b/drivers/regulator/da9062-regulator.c
index 0638c8b..34a70d9 100644
--- a/drivers/regulator/da9062-regulator.c
+++ b/drivers/regulator/da9062-regulator.c
@@ -1,6 +1,6 @@
 /*
- * da9062-regulator.c - REGULATOR device driver for DA9062
- * Copyright (C) 2015  Dialog Semiconductor Ltd.
+ * Regulator device driver for DA9061 and DA9062.
+ * Copyright (C) 2015-2017  Dialog Semiconductor
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -28,6 +28,17 @@
 
 /* Regulator IDs */
 enum {
+	DA9061_ID_BUCK1,
+	DA9061_ID_BUCK2,
+	DA9061_ID_BUCK3,
+	DA9061_ID_LDO1,
+	DA9061_ID_LDO2,
+	DA9061_ID_LDO3,
+	DA9061_ID_LDO4,
+	DA9061_MAX_REGULATORS,
+};
+
+enum {
 	DA9062_ID_BUCK1,
 	DA9062_ID_BUCK2,
 	DA9062_ID_BUCK3,
@@ -88,15 +99,21 @@ enum {
 
 /* Regulator operations */
 
-/* Current limits array (in uA) BUCK1 and BUCK3.
-   Entry indexes corresponds to register values. */
+/* Current limits array (in uA)
+ * - DA9061_ID_[BUCK1|BUCK3]
+ * - DA9062_ID_[BUCK1|BUCK2|BUCK4]
+ * Entry indexes corresponds to register values.
+ */
 static const int da9062_buck_a_limits[] = {
 	 500000,  600000,  700000,  800000,  900000, 1000000, 1100000, 1200000,
 	1300000, 1400000, 1500000, 1600000, 1700000, 1800000, 1900000, 2000000
 };
 
-/* Current limits array (in uA) for BUCK2.
-   Entry indexes corresponds to register values. */
+/* Current limits array (in uA)
+ * - DA9061_ID_BUCK2
+ * - DA9062_ID_BUCK3
+ * Entry indexes corresponds to register values.
+ */
 static const int da9062_buck_b_limits[] = {
 	1500000, 1600000, 1700000, 1800000, 1900000, 2000000, 2100000, 2200000,
 	2300000, 2400000, 2500000, 2600000, 2700000, 2800000, 2900000, 3000000
@@ -405,8 +422,254 @@ static int da9062_ldo_set_suspend_mode(struct regulator_dev *rdev,
 	.set_suspend_mode	= da9062_ldo_set_suspend_mode,
 };
 
-/* Regulator information */
-static const struct da9062_regulator_info local_regulator_info[] = {
+/* DA9061 Regulator information */
+static const struct da9062_regulator_info local_da9061_regulator_info[] = {
+	{
+		.desc.id = DA9061_ID_BUCK1,
+		.desc.name = "DA9061 BUCK1",
+		.desc.of_match = of_match_ptr("buck1"),
+		.desc.regulators_node = of_match_ptr("regulators"),
+		.desc.ops = &da9062_buck_ops,
+		.desc.min_uV = (300) * 1000,
+		.desc.uV_step = (10) * 1000,
+		.desc.n_voltages = ((1570) - (300))/(10) + 1,
+		.current_limits = da9062_buck_a_limits,
+		.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits),
+		.desc.enable_reg = DA9062AA_BUCK1_CONT,
+		.desc.enable_mask = DA9062AA_BUCK1_EN_MASK,
+		.desc.vsel_reg = DA9062AA_VBUCK1_A,
+		.desc.vsel_mask = DA9062AA_VBUCK1_A_MASK,
+		.desc.linear_min_sel = 0,
+		.sleep = REG_FIELD(DA9062AA_VBUCK1_A,
+			__builtin_ffs((int)DA9062AA_BUCK1_SL_A_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK1_SL_A_MASK)) - 1),
+		.suspend_sleep = REG_FIELD(DA9062AA_VBUCK1_B,
+			__builtin_ffs((int)DA9062AA_BUCK1_SL_B_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK1_SL_B_MASK)) - 1),
+		.suspend_vsel_reg = DA9062AA_VBUCK1_B,
+		.mode = REG_FIELD(DA9062AA_BUCK1_CFG,
+			__builtin_ffs((int)DA9062AA_BUCK1_MODE_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK1_MODE_MASK)) - 1),
+		.suspend = REG_FIELD(DA9062AA_DVC_1,
+			__builtin_ffs((int)DA9062AA_VBUCK1_SEL_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_VBUCK1_SEL_MASK)) - 1),
+		.ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_C,
+			__builtin_ffs((int)DA9062AA_BUCK1_ILIM_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK1_ILIM_MASK)) - 1),
+	},
+	{
+		.desc.id = DA9061_ID_BUCK2,
+		.desc.name = "DA9061 BUCK2",
+		.desc.of_match = of_match_ptr("buck2"),
+		.desc.regulators_node = of_match_ptr("regulators"),
+		.desc.ops = &da9062_buck_ops,
+		.desc.min_uV = (800) * 1000,
+		.desc.uV_step = (20) * 1000,
+		.desc.n_voltages = ((3340) - (800))/(20) + 1,
+		.current_limits = da9062_buck_b_limits,
+		.n_current_limits = ARRAY_SIZE(da9062_buck_b_limits),
+		.desc.enable_reg = DA9062AA_BUCK3_CONT,
+		.desc.enable_mask = DA9062AA_BUCK3_EN_MASK,
+		.desc.vsel_reg = DA9062AA_VBUCK3_A,
+		.desc.vsel_mask = DA9062AA_VBUCK3_A_MASK,
+		.desc.linear_min_sel = 0,
+		.sleep = REG_FIELD(DA9062AA_VBUCK3_A,
+			__builtin_ffs((int)DA9062AA_BUCK3_SL_A_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK3_SL_A_MASK)) - 1),
+		.suspend_sleep = REG_FIELD(DA9062AA_VBUCK3_B,
+			__builtin_ffs((int)DA9062AA_BUCK3_SL_B_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK3_SL_B_MASK)) - 1),
+		.suspend_vsel_reg = DA9062AA_VBUCK3_B,
+		.mode = REG_FIELD(DA9062AA_BUCK3_CFG,
+			__builtin_ffs((int)DA9062AA_BUCK3_MODE_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK3_MODE_MASK)) - 1),
+		.suspend = REG_FIELD(DA9062AA_DVC_1,
+			__builtin_ffs((int)DA9062AA_VBUCK3_SEL_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_VBUCK3_SEL_MASK)) - 1),
+		.ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_A,
+			__builtin_ffs((int)DA9062AA_BUCK3_ILIM_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK3_ILIM_MASK)) - 1),
+	},
+	{
+		.desc.id = DA9061_ID_BUCK3,
+		.desc.name = "DA9061 BUCK3",
+		.desc.of_match = of_match_ptr("buck3"),
+		.desc.regulators_node = of_match_ptr("regulators"),
+		.desc.ops = &da9062_buck_ops,
+		.desc.min_uV = (530) * 1000,
+		.desc.uV_step = (10) * 1000,
+		.desc.n_voltages = ((1800) - (530))/(10) + 1,
+		.current_limits = da9062_buck_a_limits,
+		.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits),
+		.desc.enable_reg = DA9062AA_BUCK4_CONT,
+		.desc.enable_mask = DA9062AA_BUCK4_EN_MASK,
+		.desc.vsel_reg = DA9062AA_VBUCK4_A,
+		.desc.vsel_mask = DA9062AA_VBUCK4_A_MASK,
+		.desc.linear_min_sel = 0,
+		.sleep = REG_FIELD(DA9062AA_VBUCK4_A,
+			__builtin_ffs((int)DA9062AA_BUCK4_SL_A_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK4_SL_A_MASK)) - 1),
+		.suspend_sleep = REG_FIELD(DA9062AA_VBUCK4_B,
+			__builtin_ffs((int)DA9062AA_BUCK4_SL_B_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK4_SL_B_MASK)) - 1),
+		.suspend_vsel_reg = DA9062AA_VBUCK4_B,
+		.mode = REG_FIELD(DA9062AA_BUCK4_CFG,
+			__builtin_ffs((int)DA9062AA_BUCK4_MODE_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK4_MODE_MASK)) - 1),
+		.suspend = REG_FIELD(DA9062AA_DVC_1,
+			__builtin_ffs((int)DA9062AA_VBUCK4_SEL_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_VBUCK4_SEL_MASK)) - 1),
+		.ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_B,
+			__builtin_ffs((int)DA9062AA_BUCK4_ILIM_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK4_ILIM_MASK)) - 1),
+	},
+	{
+		.desc.id = DA9061_ID_LDO1,
+		.desc.name = "DA9061 LDO1",
+		.desc.of_match = of_match_ptr("ldo1"),
+		.desc.regulators_node = of_match_ptr("regulators"),
+		.desc.ops = &da9062_ldo_ops,
+		.desc.min_uV = (900) * 1000,
+		.desc.uV_step = (50) * 1000,
+		.desc.n_voltages = ((3600) - (900))/(50) + 1,
+		.desc.enable_reg = DA9062AA_LDO1_CONT,
+		.desc.enable_mask = DA9062AA_LDO1_EN_MASK,
+		.desc.vsel_reg = DA9062AA_VLDO1_A,
+		.desc.vsel_mask = DA9062AA_VLDO1_A_MASK,
+		.desc.linear_min_sel = 0,
+		.sleep = REG_FIELD(DA9062AA_VLDO1_A,
+			__builtin_ffs((int)DA9062AA_LDO1_SL_A_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO1_SL_A_MASK)) - 1),
+		.suspend_sleep = REG_FIELD(DA9062AA_VLDO1_B,
+			__builtin_ffs((int)DA9062AA_LDO1_SL_B_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO1_SL_B_MASK)) - 1),
+		.suspend_vsel_reg = DA9062AA_VLDO1_B,
+		.suspend = REG_FIELD(DA9062AA_DVC_1,
+			__builtin_ffs((int)DA9062AA_VLDO1_SEL_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_VLDO1_SEL_MASK)) - 1),
+		.oc_event = REG_FIELD(DA9062AA_STATUS_D,
+			__builtin_ffs((int)DA9062AA_LDO1_ILIM_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO1_ILIM_MASK)) - 1),
+	},
+	{
+		.desc.id = DA9061_ID_LDO2,
+		.desc.name = "DA9061 LDO2",
+		.desc.of_match = of_match_ptr("ldo2"),
+		.desc.regulators_node = of_match_ptr("regulators"),
+		.desc.ops = &da9062_ldo_ops,
+		.desc.min_uV = (900) * 1000,
+		.desc.uV_step = (50) * 1000,
+		.desc.n_voltages = ((3600) - (600))/(50) + 1,
+		.desc.enable_reg = DA9062AA_LDO2_CONT,
+		.desc.enable_mask = DA9062AA_LDO2_EN_MASK,
+		.desc.vsel_reg = DA9062AA_VLDO2_A,
+		.desc.vsel_mask = DA9062AA_VLDO2_A_MASK,
+		.desc.linear_min_sel = 0,
+		.sleep = REG_FIELD(DA9062AA_VLDO2_A,
+			__builtin_ffs((int)DA9062AA_LDO2_SL_A_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO2_SL_A_MASK)) - 1),
+		.suspend_sleep = REG_FIELD(DA9062AA_VLDO2_B,
+			__builtin_ffs((int)DA9062AA_LDO2_SL_B_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO2_SL_B_MASK)) - 1),
+		.suspend_vsel_reg = DA9062AA_VLDO2_B,
+		.suspend = REG_FIELD(DA9062AA_DVC_1,
+			__builtin_ffs((int)DA9062AA_VLDO2_SEL_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_VLDO2_SEL_MASK)) - 1),
+		.oc_event = REG_FIELD(DA9062AA_STATUS_D,
+			__builtin_ffs((int)DA9062AA_LDO2_ILIM_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO2_ILIM_MASK)) - 1),
+	},
+	{
+		.desc.id = DA9061_ID_LDO3,
+		.desc.name = "DA9061 LDO3",
+		.desc.of_match = of_match_ptr("ldo3"),
+		.desc.regulators_node = of_match_ptr("regulators"),
+		.desc.ops = &da9062_ldo_ops,
+		.desc.min_uV = (900) * 1000,
+		.desc.uV_step = (50) * 1000,
+		.desc.n_voltages = ((3600) - (900))/(50) + 1,
+		.desc.enable_reg = DA9062AA_LDO3_CONT,
+		.desc.enable_mask = DA9062AA_LDO3_EN_MASK,
+		.desc.vsel_reg = DA9062AA_VLDO3_A,
+		.desc.vsel_mask = DA9062AA_VLDO3_A_MASK,
+		.desc.linear_min_sel = 0,
+		.sleep = REG_FIELD(DA9062AA_VLDO3_A,
+			__builtin_ffs((int)DA9062AA_LDO3_SL_A_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO3_SL_A_MASK)) - 1),
+		.suspend_sleep = REG_FIELD(DA9062AA_VLDO3_B,
+			__builtin_ffs((int)DA9062AA_LDO3_SL_B_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO3_SL_B_MASK)) - 1),
+		.suspend_vsel_reg = DA9062AA_VLDO3_B,
+		.suspend = REG_FIELD(DA9062AA_DVC_1,
+			__builtin_ffs((int)DA9062AA_VLDO3_SEL_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_VLDO3_SEL_MASK)) - 1),
+		.oc_event = REG_FIELD(DA9062AA_STATUS_D,
+			__builtin_ffs((int)DA9062AA_LDO3_ILIM_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO3_ILIM_MASK)) - 1),
+	},
+	{
+		.desc.id = DA9061_ID_LDO4,
+		.desc.name = "DA9061 LDO4",
+		.desc.of_match = of_match_ptr("ldo4"),
+		.desc.regulators_node = of_match_ptr("regulators"),
+		.desc.ops = &da9062_ldo_ops,
+		.desc.min_uV = (900) * 1000,
+		.desc.uV_step = (50) * 1000,
+		.desc.n_voltages = ((3600) - (900))/(50) + 1,
+		.desc.enable_reg = DA9062AA_LDO4_CONT,
+		.desc.enable_mask = DA9062AA_LDO4_EN_MASK,
+		.desc.vsel_reg = DA9062AA_VLDO4_A,
+		.desc.vsel_mask = DA9062AA_VLDO4_A_MASK,
+		.desc.linear_min_sel = 0,
+		.sleep = REG_FIELD(DA9062AA_VLDO4_A,
+			__builtin_ffs((int)DA9062AA_LDO4_SL_A_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO4_SL_A_MASK)) - 1),
+		.suspend_sleep = REG_FIELD(DA9062AA_VLDO4_B,
+			__builtin_ffs((int)DA9062AA_LDO4_SL_B_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO4_SL_B_MASK)) - 1),
+		.suspend_vsel_reg = DA9062AA_VLDO4_B,
+		.suspend = REG_FIELD(DA9062AA_DVC_1,
+			__builtin_ffs((int)DA9062AA_VLDO4_SEL_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_VLDO4_SEL_MASK)) - 1),
+		.oc_event = REG_FIELD(DA9062AA_STATUS_D,
+			__builtin_ffs((int)DA9062AA_LDO4_ILIM_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO4_ILIM_MASK)) - 1),
+	},
+};
+
+/* DA9062 Regulator information */
+static const struct da9062_regulator_info local_da9062_regulator_info[] = {
 	{
 		.desc.id = DA9062_ID_BUCK1,
 		.desc.name = "DA9062 BUCK1",
@@ -727,17 +990,33 @@ static int da9062_regulator_probe(struct platform_device *pdev)
 	struct da9062_regulators *regulators;
 	struct da9062_regulator *regl;
 	struct regulator_config config = { };
+	const struct da9062_regulator_info *rinfo;
 	int irq, n, ret;
 	size_t size;
+	int max_regulators;
+
+	switch (chip->chip_type) {
+	case COMPAT_TYPE_DA9061:
+		max_regulators = DA9061_MAX_REGULATORS;
+		rinfo = local_da9061_regulator_info;
+		break;
+	case COMPAT_TYPE_DA9062:
+		max_regulators = DA9062_MAX_REGULATORS;
+		rinfo = local_da9062_regulator_info;
+		break;
+	default:
+		dev_err(chip->dev, "Unrecognised chip type\n");
+		return -ENODEV;
+	}
 
 	/* Allocate memory required by usable regulators */
 	size = sizeof(struct da9062_regulators) +
-		DA9062_MAX_REGULATORS * sizeof(struct da9062_regulator);
+		max_regulators * sizeof(struct da9062_regulator);
 	regulators = devm_kzalloc(&pdev->dev, size, GFP_KERNEL);
 	if (!regulators)
 		return -ENOMEM;
 
-	regulators->n_regulators = DA9062_MAX_REGULATORS;
+	regulators->n_regulators = max_regulators;
 	platform_set_drvdata(pdev, regulators);
 
 	n = 0;
@@ -745,7 +1024,7 @@ static int da9062_regulator_probe(struct platform_device *pdev)
 		/* Initialise regulator structure */
 		regl = &regulators->regulator[n];
 		regl->hw = chip;
-		regl->info = &local_regulator_info[n];
+		regl->info = &rinfo[n];
 		regl->desc = regl->info->desc;
 		regl->desc.type = REGULATOR_VOLTAGE;
 		regl->desc.owner = THIS_MODULE;
@@ -836,6 +1115,6 @@ static void __exit da9062_regulator_cleanup(void)
 
 /* Module information */
 MODULE_AUTHOR("S Twiss <stwiss.opensource-WBD+wuPFNBhBDgjK7y7TUQ@public.gmane.org>");
-MODULE_DESCRIPTION("REGULATOR device driver for Dialog DA9062");
+MODULE_DESCRIPTION("REGULATOR device driver for Dialog DA9062 and DA9061");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:da9062-regulators");
-- 
end-of-patch for PATCH V6

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Applied "regulator: da9061: BUCK and LDO regulator driver" to the regulator tree

[Mark Brown]

The patch

   regulator: da9061: BUCK and LDO regulator driver

has been applied to the regulator tree at

   git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

>From 4b7f4958a37e016317d3f25bd5290942f72597b4 Mon Sep 17 00:00:00 2001
From: Steve Twiss <stwiss.opensource@diasemi.com>
Date: Wed, 7 Jun 2017 09:13:48 +0100
Subject: [PATCH] regulator: da9061: BUCK and LDO regulator driver

Regulator support for the DA9061 is added into the DA9062 regulator driver.

The regulators for DA9061 differ from those of DA9062.
A new DA9061 enumeration list for the LDOs and Bucks supported by this
device is added. Regulator information added: the old regulator
information for DA9062 is renamed from local_regulator_info[] to
local_da9062_regulator_info[] and a new array is added to support
local_da9061_regulator_info[].

The probe() function switches on the da9062_compatible_types enumeration
and configures the correct da9062_regulator_info array and number of
regulator entries.

Kconfig is updated to reflect support for DA9061 and DA9062 regulators.

Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 drivers/regulator/Kconfig            |   4 +-
 drivers/regulator/da9062-regulator.c | 303 +++++++++++++++++++++++++++++++++--
 2 files changed, 293 insertions(+), 14 deletions(-)

diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 48db87d6dfef..9d2222eadcfc 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -214,11 +214,11 @@ config REGULATOR_DA9055
 	  will be called da9055-regulator.
 
 config REGULATOR_DA9062
-	tristate "Dialog Semiconductor DA9062 regulators"
+	tristate "Dialog Semiconductor DA9061/62 regulators"
 	depends on MFD_DA9062
 	help
 	  Say y here to support the BUCKs and LDOs regulators found on
-	  DA9062 PMICs.
+	  DA9061 and DA9062 PMICs.
 
 	  This driver can also be built as a module. If so, the module
 	  will be called da9062-regulator.
diff --git a/drivers/regulator/da9062-regulator.c b/drivers/regulator/da9062-regulator.c
index 0638c8b40521..34a70d9dc450 100644
--- a/drivers/regulator/da9062-regulator.c
+++ b/drivers/regulator/da9062-regulator.c
@@ -1,6 +1,6 @@
 /*
- * da9062-regulator.c - REGULATOR device driver for DA9062
- * Copyright (C) 2015  Dialog Semiconductor Ltd.
+ * Regulator device driver for DA9061 and DA9062.
+ * Copyright (C) 2015-2017  Dialog Semiconductor
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -28,6 +28,17 @@
 
 /* Regulator IDs */
 enum {
+	DA9061_ID_BUCK1,
+	DA9061_ID_BUCK2,
+	DA9061_ID_BUCK3,
+	DA9061_ID_LDO1,
+	DA9061_ID_LDO2,
+	DA9061_ID_LDO3,
+	DA9061_ID_LDO4,
+	DA9061_MAX_REGULATORS,
+};
+
+enum {
 	DA9062_ID_BUCK1,
 	DA9062_ID_BUCK2,
 	DA9062_ID_BUCK3,
@@ -88,15 +99,21 @@ enum {
 
 /* Regulator operations */
 
-/* Current limits array (in uA) BUCK1 and BUCK3.
-   Entry indexes corresponds to register values. */
+/* Current limits array (in uA)
+ * - DA9061_ID_[BUCK1|BUCK3]
+ * - DA9062_ID_[BUCK1|BUCK2|BUCK4]
+ * Entry indexes corresponds to register values.
+ */
 static const int da9062_buck_a_limits[] = {
 	 500000,  600000,  700000,  800000,  900000, 1000000, 1100000, 1200000,
 	1300000, 1400000, 1500000, 1600000, 1700000, 1800000, 1900000, 2000000
 };
 
-/* Current limits array (in uA) for BUCK2.
-   Entry indexes corresponds to register values. */
+/* Current limits array (in uA)
+ * - DA9061_ID_BUCK2
+ * - DA9062_ID_BUCK3
+ * Entry indexes corresponds to register values.
+ */
 static const int da9062_buck_b_limits[] = {
 	1500000, 1600000, 1700000, 1800000, 1900000, 2000000, 2100000, 2200000,
 	2300000, 2400000, 2500000, 2600000, 2700000, 2800000, 2900000, 3000000
@@ -405,8 +422,254 @@ static const struct regulator_ops da9062_ldo_ops = {
 	.set_suspend_mode	= da9062_ldo_set_suspend_mode,
 };
 
-/* Regulator information */
-static const struct da9062_regulator_info local_regulator_info[] = {
+/* DA9061 Regulator information */
+static const struct da9062_regulator_info local_da9061_regulator_info[] = {
+	{
+		.desc.id = DA9061_ID_BUCK1,
+		.desc.name = "DA9061 BUCK1",
+		.desc.of_match = of_match_ptr("buck1"),
+		.desc.regulators_node = of_match_ptr("regulators"),
+		.desc.ops = &da9062_buck_ops,
+		.desc.min_uV = (300) * 1000,
+		.desc.uV_step = (10) * 1000,
+		.desc.n_voltages = ((1570) - (300))/(10) + 1,
+		.current_limits = da9062_buck_a_limits,
+		.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits),
+		.desc.enable_reg = DA9062AA_BUCK1_CONT,
+		.desc.enable_mask = DA9062AA_BUCK1_EN_MASK,
+		.desc.vsel_reg = DA9062AA_VBUCK1_A,
+		.desc.vsel_mask = DA9062AA_VBUCK1_A_MASK,
+		.desc.linear_min_sel = 0,
+		.sleep = REG_FIELD(DA9062AA_VBUCK1_A,
+			__builtin_ffs((int)DA9062AA_BUCK1_SL_A_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK1_SL_A_MASK)) - 1),
+		.suspend_sleep = REG_FIELD(DA9062AA_VBUCK1_B,
+			__builtin_ffs((int)DA9062AA_BUCK1_SL_B_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK1_SL_B_MASK)) - 1),
+		.suspend_vsel_reg = DA9062AA_VBUCK1_B,
+		.mode = REG_FIELD(DA9062AA_BUCK1_CFG,
+			__builtin_ffs((int)DA9062AA_BUCK1_MODE_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK1_MODE_MASK)) - 1),
+		.suspend = REG_FIELD(DA9062AA_DVC_1,
+			__builtin_ffs((int)DA9062AA_VBUCK1_SEL_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_VBUCK1_SEL_MASK)) - 1),
+		.ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_C,
+			__builtin_ffs((int)DA9062AA_BUCK1_ILIM_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK1_ILIM_MASK)) - 1),
+	},
+	{
+		.desc.id = DA9061_ID_BUCK2,
+		.desc.name = "DA9061 BUCK2",
+		.desc.of_match = of_match_ptr("buck2"),
+		.desc.regulators_node = of_match_ptr("regulators"),
+		.desc.ops = &da9062_buck_ops,
+		.desc.min_uV = (800) * 1000,
+		.desc.uV_step = (20) * 1000,
+		.desc.n_voltages = ((3340) - (800))/(20) + 1,
+		.current_limits = da9062_buck_b_limits,
+		.n_current_limits = ARRAY_SIZE(da9062_buck_b_limits),
+		.desc.enable_reg = DA9062AA_BUCK3_CONT,
+		.desc.enable_mask = DA9062AA_BUCK3_EN_MASK,
+		.desc.vsel_reg = DA9062AA_VBUCK3_A,
+		.desc.vsel_mask = DA9062AA_VBUCK3_A_MASK,
+		.desc.linear_min_sel = 0,
+		.sleep = REG_FIELD(DA9062AA_VBUCK3_A,
+			__builtin_ffs((int)DA9062AA_BUCK3_SL_A_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK3_SL_A_MASK)) - 1),
+		.suspend_sleep = REG_FIELD(DA9062AA_VBUCK3_B,
+			__builtin_ffs((int)DA9062AA_BUCK3_SL_B_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK3_SL_B_MASK)) - 1),
+		.suspend_vsel_reg = DA9062AA_VBUCK3_B,
+		.mode = REG_FIELD(DA9062AA_BUCK3_CFG,
+			__builtin_ffs((int)DA9062AA_BUCK3_MODE_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK3_MODE_MASK)) - 1),
+		.suspend = REG_FIELD(DA9062AA_DVC_1,
+			__builtin_ffs((int)DA9062AA_VBUCK3_SEL_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_VBUCK3_SEL_MASK)) - 1),
+		.ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_A,
+			__builtin_ffs((int)DA9062AA_BUCK3_ILIM_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK3_ILIM_MASK)) - 1),
+	},
+	{
+		.desc.id = DA9061_ID_BUCK3,
+		.desc.name = "DA9061 BUCK3",
+		.desc.of_match = of_match_ptr("buck3"),
+		.desc.regulators_node = of_match_ptr("regulators"),
+		.desc.ops = &da9062_buck_ops,
+		.desc.min_uV = (530) * 1000,
+		.desc.uV_step = (10) * 1000,
+		.desc.n_voltages = ((1800) - (530))/(10) + 1,
+		.current_limits = da9062_buck_a_limits,
+		.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits),
+		.desc.enable_reg = DA9062AA_BUCK4_CONT,
+		.desc.enable_mask = DA9062AA_BUCK4_EN_MASK,
+		.desc.vsel_reg = DA9062AA_VBUCK4_A,
+		.desc.vsel_mask = DA9062AA_VBUCK4_A_MASK,
+		.desc.linear_min_sel = 0,
+		.sleep = REG_FIELD(DA9062AA_VBUCK4_A,
+			__builtin_ffs((int)DA9062AA_BUCK4_SL_A_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK4_SL_A_MASK)) - 1),
+		.suspend_sleep = REG_FIELD(DA9062AA_VBUCK4_B,
+			__builtin_ffs((int)DA9062AA_BUCK4_SL_B_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK4_SL_B_MASK)) - 1),
+		.suspend_vsel_reg = DA9062AA_VBUCK4_B,
+		.mode = REG_FIELD(DA9062AA_BUCK4_CFG,
+			__builtin_ffs((int)DA9062AA_BUCK4_MODE_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK4_MODE_MASK)) - 1),
+		.suspend = REG_FIELD(DA9062AA_DVC_1,
+			__builtin_ffs((int)DA9062AA_VBUCK4_SEL_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_VBUCK4_SEL_MASK)) - 1),
+		.ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_B,
+			__builtin_ffs((int)DA9062AA_BUCK4_ILIM_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_BUCK4_ILIM_MASK)) - 1),
+	},
+	{
+		.desc.id = DA9061_ID_LDO1,
+		.desc.name = "DA9061 LDO1",
+		.desc.of_match = of_match_ptr("ldo1"),
+		.desc.regulators_node = of_match_ptr("regulators"),
+		.desc.ops = &da9062_ldo_ops,
+		.desc.min_uV = (900) * 1000,
+		.desc.uV_step = (50) * 1000,
+		.desc.n_voltages = ((3600) - (900))/(50) + 1,
+		.desc.enable_reg = DA9062AA_LDO1_CONT,
+		.desc.enable_mask = DA9062AA_LDO1_EN_MASK,
+		.desc.vsel_reg = DA9062AA_VLDO1_A,
+		.desc.vsel_mask = DA9062AA_VLDO1_A_MASK,
+		.desc.linear_min_sel = 0,
+		.sleep = REG_FIELD(DA9062AA_VLDO1_A,
+			__builtin_ffs((int)DA9062AA_LDO1_SL_A_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO1_SL_A_MASK)) - 1),
+		.suspend_sleep = REG_FIELD(DA9062AA_VLDO1_B,
+			__builtin_ffs((int)DA9062AA_LDO1_SL_B_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO1_SL_B_MASK)) - 1),
+		.suspend_vsel_reg = DA9062AA_VLDO1_B,
+		.suspend = REG_FIELD(DA9062AA_DVC_1,
+			__builtin_ffs((int)DA9062AA_VLDO1_SEL_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_VLDO1_SEL_MASK)) - 1),
+		.oc_event = REG_FIELD(DA9062AA_STATUS_D,
+			__builtin_ffs((int)DA9062AA_LDO1_ILIM_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO1_ILIM_MASK)) - 1),
+	},
+	{
+		.desc.id = DA9061_ID_LDO2,
+		.desc.name = "DA9061 LDO2",
+		.desc.of_match = of_match_ptr("ldo2"),
+		.desc.regulators_node = of_match_ptr("regulators"),
+		.desc.ops = &da9062_ldo_ops,
+		.desc.min_uV = (900) * 1000,
+		.desc.uV_step = (50) * 1000,
+		.desc.n_voltages = ((3600) - (600))/(50) + 1,
+		.desc.enable_reg = DA9062AA_LDO2_CONT,
+		.desc.enable_mask = DA9062AA_LDO2_EN_MASK,
+		.desc.vsel_reg = DA9062AA_VLDO2_A,
+		.desc.vsel_mask = DA9062AA_VLDO2_A_MASK,
+		.desc.linear_min_sel = 0,
+		.sleep = REG_FIELD(DA9062AA_VLDO2_A,
+			__builtin_ffs((int)DA9062AA_LDO2_SL_A_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO2_SL_A_MASK)) - 1),
+		.suspend_sleep = REG_FIELD(DA9062AA_VLDO2_B,
+			__builtin_ffs((int)DA9062AA_LDO2_SL_B_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO2_SL_B_MASK)) - 1),
+		.suspend_vsel_reg = DA9062AA_VLDO2_B,
+		.suspend = REG_FIELD(DA9062AA_DVC_1,
+			__builtin_ffs((int)DA9062AA_VLDO2_SEL_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_VLDO2_SEL_MASK)) - 1),
+		.oc_event = REG_FIELD(DA9062AA_STATUS_D,
+			__builtin_ffs((int)DA9062AA_LDO2_ILIM_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO2_ILIM_MASK)) - 1),
+	},
+	{
+		.desc.id = DA9061_ID_LDO3,
+		.desc.name = "DA9061 LDO3",
+		.desc.of_match = of_match_ptr("ldo3"),
+		.desc.regulators_node = of_match_ptr("regulators"),
+		.desc.ops = &da9062_ldo_ops,
+		.desc.min_uV = (900) * 1000,
+		.desc.uV_step = (50) * 1000,
+		.desc.n_voltages = ((3600) - (900))/(50) + 1,
+		.desc.enable_reg = DA9062AA_LDO3_CONT,
+		.desc.enable_mask = DA9062AA_LDO3_EN_MASK,
+		.desc.vsel_reg = DA9062AA_VLDO3_A,
+		.desc.vsel_mask = DA9062AA_VLDO3_A_MASK,
+		.desc.linear_min_sel = 0,
+		.sleep = REG_FIELD(DA9062AA_VLDO3_A,
+			__builtin_ffs((int)DA9062AA_LDO3_SL_A_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO3_SL_A_MASK)) - 1),
+		.suspend_sleep = REG_FIELD(DA9062AA_VLDO3_B,
+			__builtin_ffs((int)DA9062AA_LDO3_SL_B_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO3_SL_B_MASK)) - 1),
+		.suspend_vsel_reg = DA9062AA_VLDO3_B,
+		.suspend = REG_FIELD(DA9062AA_DVC_1,
+			__builtin_ffs((int)DA9062AA_VLDO3_SEL_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_VLDO3_SEL_MASK)) - 1),
+		.oc_event = REG_FIELD(DA9062AA_STATUS_D,
+			__builtin_ffs((int)DA9062AA_LDO3_ILIM_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO3_ILIM_MASK)) - 1),
+	},
+	{
+		.desc.id = DA9061_ID_LDO4,
+		.desc.name = "DA9061 LDO4",
+		.desc.of_match = of_match_ptr("ldo4"),
+		.desc.regulators_node = of_match_ptr("regulators"),
+		.desc.ops = &da9062_ldo_ops,
+		.desc.min_uV = (900) * 1000,
+		.desc.uV_step = (50) * 1000,
+		.desc.n_voltages = ((3600) - (900))/(50) + 1,
+		.desc.enable_reg = DA9062AA_LDO4_CONT,
+		.desc.enable_mask = DA9062AA_LDO4_EN_MASK,
+		.desc.vsel_reg = DA9062AA_VLDO4_A,
+		.desc.vsel_mask = DA9062AA_VLDO4_A_MASK,
+		.desc.linear_min_sel = 0,
+		.sleep = REG_FIELD(DA9062AA_VLDO4_A,
+			__builtin_ffs((int)DA9062AA_LDO4_SL_A_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO4_SL_A_MASK)) - 1),
+		.suspend_sleep = REG_FIELD(DA9062AA_VLDO4_B,
+			__builtin_ffs((int)DA9062AA_LDO4_SL_B_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO4_SL_B_MASK)) - 1),
+		.suspend_vsel_reg = DA9062AA_VLDO4_B,
+		.suspend = REG_FIELD(DA9062AA_DVC_1,
+			__builtin_ffs((int)DA9062AA_VLDO4_SEL_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_VLDO4_SEL_MASK)) - 1),
+		.oc_event = REG_FIELD(DA9062AA_STATUS_D,
+			__builtin_ffs((int)DA9062AA_LDO4_ILIM_MASK) - 1,
+			sizeof(unsigned int) * 8 -
+			__builtin_clz((DA9062AA_LDO4_ILIM_MASK)) - 1),
+	},
+};
+
+/* DA9062 Regulator information */
+static const struct da9062_regulator_info local_da9062_regulator_info[] = {
 	{
 		.desc.id = DA9062_ID_BUCK1,
 		.desc.name = "DA9062 BUCK1",
@@ -727,17 +990,33 @@ static int da9062_regulator_probe(struct platform_device *pdev)
 	struct da9062_regulators *regulators;
 	struct da9062_regulator *regl;
 	struct regulator_config config = { };
+	const struct da9062_regulator_info *rinfo;
 	int irq, n, ret;
 	size_t size;
+	int max_regulators;
+
+	switch (chip->chip_type) {
+	case COMPAT_TYPE_DA9061:
+		max_regulators = DA9061_MAX_REGULATORS;
+		rinfo = local_da9061_regulator_info;
+		break;
+	case COMPAT_TYPE_DA9062:
+		max_regulators = DA9062_MAX_REGULATORS;
+		rinfo = local_da9062_regulator_info;
+		break;
+	default:
+		dev_err(chip->dev, "Unrecognised chip type\n");
+		return -ENODEV;
+	}
 
 	/* Allocate memory required by usable regulators */
 	size = sizeof(struct da9062_regulators) +
-		DA9062_MAX_REGULATORS * sizeof(struct da9062_regulator);
+		max_regulators * sizeof(struct da9062_regulator);
 	regulators = devm_kzalloc(&pdev->dev, size, GFP_KERNEL);
 	if (!regulators)
 		return -ENOMEM;
 
-	regulators->n_regulators = DA9062_MAX_REGULATORS;
+	regulators->n_regulators = max_regulators;
 	platform_set_drvdata(pdev, regulators);
 
 	n = 0;
@@ -745,7 +1024,7 @@ static int da9062_regulator_probe(struct platform_device *pdev)
 		/* Initialise regulator structure */
 		regl = &regulators->regulator[n];
 		regl->hw = chip;
-		regl->info = &local_regulator_info[n];
+		regl->info = &rinfo[n];
 		regl->desc = regl->info->desc;
 		regl->desc.type = REGULATOR_VOLTAGE;
 		regl->desc.owner = THIS_MODULE;
@@ -836,6 +1115,6 @@ module_exit(da9062_regulator_cleanup);
 
 /* Module information */
 MODULE_AUTHOR("S Twiss <stwiss.opensource@diasemi.com>");
-MODULE_DESCRIPTION("REGULATOR device driver for Dialog DA9062");
+MODULE_DESCRIPTION("REGULATOR device driver for Dialog DA9062 and DA9061");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:da9062-regulators");
-- 
2.11.0

[PATCH V6 6/7] thermal: da9062/61: Thermal junction temperature monitoring driver

[Steve Twiss]

From: Steve Twiss <stwiss.opensource@diasemi.com>

Add junction temperature monitoring supervisor device driver, compatible
with the DA9062 and DA9061 PMICs. A MODULE_DEVICE_TABLE() macro is added.

If the PMIC's internal junction temperature rises above T_WARN (125 degC)
an interrupt is issued. This T_WARN level is defined as the
THERMAL_TRIP_HOT trip-wire inside the device driver.

The thermal triggering mechanism is interrupt based and happens when the
temperature rises above a given threshold level. The component cannot
return an exact temperature, it only has knowledge if the temperature is
above or below a given threshold value. A status bit must be polled to
detect when the temperature falls below that threshold level again. A
kernel work queue is configured to repeatedly poll and detect when the
temperature falls below this trip-wire, between 1 and 10 second intervals
(defaulting at 3 seconds).

This scheme is provided as an example. It would be expected that any
final implementation will also include a notify() function and any of these
settings could be altered to match the application where appropriate.

When over-temperature is reached, the interrupt from the DA9061/2 will be
repeatedly triggered. The IRQ is therefore disabled when the first
over-temperature event happens and the status bit is polled using a
work-queue until it becomes false.

This strategy is designed to allow the periodic transmission of uevents
(HOT trip point) as the first level of temperature supervision method. It
is intended for non-invasive temperature control, where the necessary
measures for cooling the system down are left to the host software. Once
the temperature falls again, the IRQ is re-enabled so a new critical
over-temperature event can be detected.

Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>

---
This patch applies against linux-next and v4.11-rc3

v5 -> v6
 - Patch renamed from [PATCH V5 7/8] to [PATCH V6 6/7]
 - Rebased from v4.9 to v4.11-rc3
 - Modify Copyright to match Dialog latest legal statement
 - Various checkpatch warnings (from --strict) have been fixed
 - Added COMPILE_TEST to Kconfig

v4 -> v5
 - Rebased from v4.8 to v4.9
 - Updates from comments by Eduardo Valentin
 - Replace vendor defined dlg,tjunc-temp-polling-period-ms with standard
   thermal core polling-delay-passive as part of the device tree
   initialisation
 - Change to the commit message content and device driver source code to
   include an explanation of the repeated uevent strategy for monitoring
   over-temperature
 - Rename warning threshold name from TEMP_WARN to T_WARN to match the
   latest datasheet naming convention
 - Added reviewed-by Lukasz Luba to commit message

v3 -> v4
 - Patch renamed from [PATCH V3 8/9] to [PATCH V4 7/8]
 - Reordering of cancel_delayed_work_sync() in remove function
 - dev_warn() message for out-of-range polling period requests
 - Explanatory comment for expected values defined for
   DEFAULT_POLLING_MS_PERIOD, MAX_POLLING_MS_PERIOD and
   MIN_POLLING_MS_PERIOD

v2 -> v3
 - Patch renamed from [PATCH V2 09/10] to [PATCH V3 8/9]
 - Addition of MODULE_DEVICE_TABLE macro to allow modinfo additions

v1 -> v2
 - Patch renamed from [PATCH V1 05/10] to [PATCH V2 09/10] -- these
   changes were made to fix checkpatch warnings caused by the patch
   set dependency order
 - List the header files in alphabetical order
 - Remove "GPL v2" and replace with MODULE_LICENSE("GPL") to match the
   copyright "GNU Public License v2 or later" option in the header
   comment for this file. See the allowed identifiers in the file
   include/linux/module.h +170
 - Remove notify function "da9062_thermal_notify" function.
 - MODULE_AUTHOR() macros removes Company Name and just gives Name in
   accordance with include/linux/module.h +200
 - Remove the compatible "dlg,da9061-thermal" option in the of_device_id
   struct table. This patch now assumes the use of a DA9062 fallback
   compatible string in the DTS when using the DA9061 thermal component
   of the DA9061 device.
 - Re-ordered some assignments earlier in the probe() for thermal->hw,
   thermal->polling_period, thermal->mode, thermal->dev
 - Added further information in the patch description to explain the use
   of the device driver's built-in work-queue.

Regards,
Steve Twiss, Dialog Semiconductor


 drivers/thermal/Kconfig          |  10 ++
 drivers/thermal/Makefile         |   1 +
 drivers/thermal/da9062-thermal.c | 315 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 326 insertions(+)
 create mode 100644 drivers/thermal/da9062-thermal.c

diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index 776b3439..a784b02 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -303,6 +303,16 @@ config DB8500_CPUFREQ_COOLING
 	  bound cpufreq cooling device turns active to set CPU frequency low to
 	  cool down the CPU.
 
+config DA9062_THERMAL
+	tristate "DA9062/DA9061 Dialog Semiconductor thermal driver"
+	depends on MFD_DA9062 || COMPILE_TEST
+	depends on OF
+	help
+	  Enable this for the Dialog Semiconductor thermal sensor driver.
+	  This will report PMIC junction over-temperature for one thermal trip
+	  zone.
+	  Compatible with the DA9062 and DA9061 PMICs.
+
 config INTEL_POWERCLAMP
 	tristate "Intel PowerClamp idle injection driver"
 	depends on THERMAL
diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile
index 7adae20..297849e 100644
--- a/drivers/thermal/Makefile
+++ b/drivers/thermal/Makefile
@@ -42,6 +42,7 @@ obj-$(CONFIG_IMX_THERMAL)	+= imx_thermal.o
 obj-$(CONFIG_MAX77620_THERMAL)	+= max77620_thermal.o
 obj-$(CONFIG_QORIQ_THERMAL)	+= qoriq_thermal.o
 obj-$(CONFIG_DB8500_CPUFREQ_COOLING)	+= db8500_cpufreq_cooling.o
+obj-$(CONFIG_DA9062_THERMAL)	+= da9062-thermal.o
 obj-$(CONFIG_INTEL_POWERCLAMP)	+= intel_powerclamp.o
 obj-$(CONFIG_X86_PKG_TEMP_THERMAL)	+= x86_pkg_temp_thermal.o
 obj-$(CONFIG_INTEL_SOC_DTS_IOSF_CORE)	+= intel_soc_dts_iosf.o
diff --git a/drivers/thermal/da9062-thermal.c b/drivers/thermal/da9062-thermal.c
new file mode 100644
index 0000000..dd8dd94
--- /dev/null
+++ b/drivers/thermal/da9062-thermal.c
@@ -0,0 +1,315 @@
+/*
+ * Thermal device driver for DA9062 and DA9061
+ * Copyright (C) 2017  Dialog Semiconductor
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/* When over-temperature is reached, an interrupt from the device will be
+ * triggered. Following this event the interrupt will be disabled and
+ * periodic transmission of uevents (HOT trip point) should define the
+ * first level of temperature supervision. It is expected that any final
+ * implementation of the thermal driver will include a .notify() function
+ * to implement these uevents to userspace.
+ *
+ * These uevents are intended to indicate non-invasive temperature control
+ * of the system, where the necessary measures for cooling are the
+ * responsibility of the host software. Once the temperature falls again,
+ * the IRQ is re-enabled so the start of a new over-temperature event can
+ * be detected without constant software monitoring.
+ */
+
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/thermal.h>
+#include <linux/workqueue.h>
+
+#include <linux/mfd/da9062/core.h>
+#include <linux/mfd/da9062/registers.h>
+
+/* Minimum, maximum and default polling millisecond periods are provided
+ * here as an example. It is expected that any final implementation to also
+ * include a modification of these settings to match the required
+ * application.
+ */
+#define DA9062_DEFAULT_POLLING_MS_PERIOD	3000
+#define DA9062_MAX_POLLING_MS_PERIOD		10000
+#define DA9062_MIN_POLLING_MS_PERIOD		1000
+
+#define DA9062_MILLI_CELSIUS(t)			((t) * 1000)
+
+struct da9062_thermal_config {
+	const char *name;
+};
+
+struct da9062_thermal {
+	struct da9062 *hw;
+	struct delayed_work work;
+	struct thermal_zone_device *zone;
+	enum thermal_device_mode mode;
+	struct mutex lock; /* protection for da9062_thermal temperature */
+	int temperature;
+	int irq;
+	const struct da9062_thermal_config *config;
+	struct device *dev;
+};
+
+static void da9062_thermal_poll_on(struct work_struct *work)
+{
+	struct da9062_thermal *thermal = container_of(work,
+						struct da9062_thermal,
+						work.work);
+	unsigned long delay;
+	unsigned int val;
+	int ret;
+
+	/* clear E_TEMP */
+	ret = regmap_write(thermal->hw->regmap,
+			   DA9062AA_EVENT_B,
+			   DA9062AA_E_TEMP_MASK);
+	if (ret < 0) {
+		dev_err(thermal->dev,
+			"Cannot clear the TJUNC temperature status\n");
+		goto err_enable_irq;
+	}
+
+	/* Now read E_TEMP again: it is acting like a status bit.
+	 * If over-temperature, then this status will be true.
+	 * If not over-temperature, this status will be false.
+	 */
+	ret = regmap_read(thermal->hw->regmap,
+			  DA9062AA_EVENT_B,
+			  &val);
+	if (ret < 0) {
+		dev_err(thermal->dev,
+			"Cannot check the TJUNC temperature status\n");
+		goto err_enable_irq;
+	}
+
+	if (val & DA9062AA_E_TEMP_MASK) {
+		mutex_lock(&thermal->lock);
+		thermal->temperature = DA9062_MILLI_CELSIUS(125);
+		mutex_unlock(&thermal->lock);
+		thermal_zone_device_update(thermal->zone,
+					   THERMAL_EVENT_UNSPECIFIED);
+
+		delay = msecs_to_jiffies(thermal->zone->passive_delay);
+		schedule_delayed_work(&thermal->work, delay);
+		return;
+	}
+
+	mutex_lock(&thermal->lock);
+	thermal->temperature = DA9062_MILLI_CELSIUS(0);
+	mutex_unlock(&thermal->lock);
+	thermal_zone_device_update(thermal->zone,
+				   THERMAL_EVENT_UNSPECIFIED);
+
+err_enable_irq:
+	enable_irq(thermal->irq);
+}
+
+static irqreturn_t da9062_thermal_irq_handler(int irq, void *data)
+{
+	struct da9062_thermal *thermal = data;
+
+	disable_irq_nosync(thermal->irq);
+	schedule_delayed_work(&thermal->work, 0);
+
+	return IRQ_HANDLED;
+}
+
+static int da9062_thermal_get_mode(struct thermal_zone_device *z,
+				   enum thermal_device_mode *mode)
+{
+	struct da9062_thermal *thermal = z->devdata;
+	*mode = thermal->mode;
+	return 0;
+}
+
+static int da9062_thermal_get_trip_type(struct thermal_zone_device *z,
+					int trip,
+					enum thermal_trip_type *type)
+{
+	struct da9062_thermal *thermal = z->devdata;
+
+	switch (trip) {
+	case 0:
+		*type = THERMAL_TRIP_HOT;
+		break;
+	default:
+		dev_err(thermal->dev,
+			"Driver does not support more than 1 trip-wire\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int da9062_thermal_get_trip_temp(struct thermal_zone_device *z,
+					int trip,
+					int *temp)
+{
+	struct da9062_thermal *thermal = z->devdata;
+
+	switch (trip) {
+	case 0:
+		*temp = DA9062_MILLI_CELSIUS(125);
+		break;
+	default:
+		dev_err(thermal->dev,
+			"Driver does not support more than 1 trip-wire\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int da9062_thermal_get_temp(struct thermal_zone_device *z,
+				   int *temp)
+{
+	struct da9062_thermal *thermal = z->devdata;
+
+	mutex_lock(&thermal->lock);
+	*temp = thermal->temperature;
+	mutex_unlock(&thermal->lock);
+
+	return 0;
+}
+
+static struct thermal_zone_device_ops da9062_thermal_ops = {
+	.get_temp	= da9062_thermal_get_temp,
+	.get_mode	= da9062_thermal_get_mode,
+	.get_trip_type	= da9062_thermal_get_trip_type,
+	.get_trip_temp	= da9062_thermal_get_trip_temp,
+};
+
+static const struct da9062_thermal_config da9062_config = {
+	.name = "da9062-thermal",
+};
+
+static const struct of_device_id da9062_compatible_reg_id_table[] = {
+	{ .compatible = "dlg,da9062-thermal", .data = &da9062_config },
+	{ },
+};
+
+MODULE_DEVICE_TABLE(of, da9062_compatible_reg_id_table);
+
+static int da9062_thermal_probe(struct platform_device *pdev)
+{
+	struct da9062 *chip = dev_get_drvdata(pdev->dev.parent);
+	struct da9062_thermal *thermal;
+	unsigned int pp_tmp = DA9062_DEFAULT_POLLING_MS_PERIOD;
+	const struct of_device_id *match;
+	int ret = 0;
+
+	match = of_match_node(da9062_compatible_reg_id_table,
+			      pdev->dev.of_node);
+	if (!match)
+		return -ENXIO;
+
+	if (pdev->dev.of_node) {
+		if (!of_property_read_u32(pdev->dev.of_node,
+					  "polling-delay-passive",
+					  &pp_tmp)) {
+			if (pp_tmp < DA9062_MIN_POLLING_MS_PERIOD ||
+			    pp_tmp > DA9062_MAX_POLLING_MS_PERIOD) {
+				dev_warn(&pdev->dev,
+					 "Out-of-range polling period %d ms\n",
+					 pp_tmp);
+				pp_tmp = DA9062_DEFAULT_POLLING_MS_PERIOD;
+			}
+		}
+	}
+
+	thermal = devm_kzalloc(&pdev->dev, sizeof(struct da9062_thermal),
+			       GFP_KERNEL);
+	if (!thermal) {
+		ret = -ENOMEM;
+		goto err;
+	}
+
+	thermal->config = match->data;
+	thermal->hw = chip;
+	thermal->mode = THERMAL_DEVICE_ENABLED;
+	thermal->dev = &pdev->dev;
+
+	INIT_DELAYED_WORK(&thermal->work, da9062_thermal_poll_on);
+	mutex_init(&thermal->lock);
+
+	thermal->zone = thermal_zone_device_register(thermal->config->name,
+					1, 0, thermal,
+					&da9062_thermal_ops, NULL, pp_tmp,
+					0);
+	if (IS_ERR(thermal->zone)) {
+		dev_err(&pdev->dev, "Cannot register thermal zone device\n");
+		ret = PTR_ERR(thermal->zone);
+		goto err;
+	}
+
+	dev_dbg(&pdev->dev,
+		"TJUNC temperature polling period set at %d ms\n",
+		thermal->zone->passive_delay);
+
+	ret = platform_get_irq_byname(pdev, "THERMAL");
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Failed to get platform IRQ.\n");
+		goto err_zone;
+	}
+	thermal->irq = ret;
+
+	ret = request_threaded_irq(thermal->irq, NULL,
+				   da9062_thermal_irq_handler,
+				   IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+				   "THERMAL", thermal);
+	if (ret) {
+		dev_err(&pdev->dev,
+			"Failed to request thermal device IRQ.\n");
+		goto err_zone;
+	}
+
+	platform_set_drvdata(pdev, thermal);
+	return 0;
+
+err_zone:
+	thermal_zone_device_unregister(thermal->zone);
+err:
+	return ret;
+}
+
+static int da9062_thermal_remove(struct platform_device *pdev)
+{
+	struct	da9062_thermal *thermal = platform_get_drvdata(pdev);
+
+	free_irq(thermal->irq, thermal);
+	cancel_delayed_work_sync(&thermal->work);
+	thermal_zone_device_unregister(thermal->zone);
+	return 0;
+}
+
+static struct platform_driver da9062_thermal_driver = {
+	.probe	= da9062_thermal_probe,
+	.remove	= da9062_thermal_remove,
+	.driver	= {
+		.name	= "da9062-thermal",
+		.of_match_table = da9062_compatible_reg_id_table,
+	},
+};
+
+module_platform_driver(da9062_thermal_driver);
+
+MODULE_AUTHOR("Steve Twiss");
+MODULE_DESCRIPTION("Thermal TJUNC device driver for Dialog DA9062 and DA9061");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:da9062-thermal");
-- 
end-of-patch for PATCH V6

[PATCH V6 7/7] MAINTAINERS: da9062/61 updates to the Dialog Semiconductor search terms

[Steve Twiss]

From: Steve Twiss <stwiss.opensource@diasemi.com>

Hi,

Dialog Semiconductor support would like to add to the MAINTAINERS search
terms. This update will allow us to follow files for device tree bindings
and source code relating to input onkey drivers, chip thermal monitoring
and watchdog timers.

Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>

---
This patch applies against linux-next and v4.11-rc3

v5 -> v6
 - NO CODE CHANGE
 - Rebased from v4.8 to v4.11-rc3
 - Patch renamed from [PATCH V5 8/8] to [PATCH V5 7/7]

v4 -> v5
 - NO CODE CHANGE
 - Rebased from v4.8 to v4.9

v3 -> v4
 - NO CODE CHANGE
 - Patch renamed from [PATCH V3 9/9] to [PATCH V4 8/8]

v2 -> v3
 - NO CODE CHANGE
 - Patch renamed from [PATCH V2 10/10] to [PATCH V3 9/9]

v1 -> v2
 - NO CODE CHANGE

Hi,

This patch depends on acceptance of the following from this patch set:

- [PATCH V5 7/8] PMIC temperature monitoring

and also from the following binding file changes:

- Binding for onkey (already applied by Dmitry Torokhov)
- [PATCH V5 1/8] Binding for watchdog
- [PATCH V5 2/8] Binding for thermal

Regards,
Steve Twiss, Dialog Semiconductor


 MAINTAINERS | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index c776906..bab1e77 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3926,7 +3926,10 @@ W:	http://www.dialog-semiconductor.com/products
 S:	Supported
 F:	Documentation/hwmon/da90??
 F:	Documentation/devicetree/bindings/mfd/da90*.txt
+F:	Documentation/devicetree/bindings/input/da90??-onkey.txt
+F:	Documentation/devicetree/bindings/thermal/da90??-thermal.txt
 F:	Documentation/devicetree/bindings/regulator/da92*.txt
+F:	Documentation/devicetree/bindings/watchdog/da92??-wdt.txt
 F:	Documentation/devicetree/bindings/sound/da[79]*.txt
 F:	drivers/gpio/gpio-da90??.c
 F:	drivers/hwmon/da90??-hwmon.c
@@ -3941,6 +3944,7 @@ F:	drivers/power/supply/da9052-battery.c
 F:	drivers/power/supply/da91??-*.c
 F:	drivers/regulator/da903x.c
 F:	drivers/regulator/da9???-regulator.[ch]
+F:	drivers/thermal/da90??-thermal.c
 F:	drivers/rtc/rtc-da90??.c
 F:	drivers/video/backlight/da90??_bl.c
 F:	drivers/watchdog/da90??_wdt.c
-- 
end-of-patch for PATCH V6