* [PATCH v1 1/3] dt-bindings: trivial-devices: Add xdpe11280
2022-02-17 9:27 [PATCH v1 0/3] Support XDPE112 Marcello Sylvester Bauer
@ 2022-02-17 9:27 ` Marcello Sylvester Bauer
2022-02-17 9:27 ` [PATCH v1 2/3] hwmon (xdpe12284): Add support for xdpe11280 Marcello Sylvester Bauer
2022-02-17 9:27 ` [PATCH v1 3/3] hwmon (xdpe12284): Add regulator support Marcello Sylvester Bauer
2 siblings, 0 replies; 5+ messages in thread
From: Marcello Sylvester Bauer @ 2022-02-17 9:27 UTC (permalink / raw)
To: Guenter Roeck, Jean Delvare, Rob Herring
Cc: linux-kernel, linux-hwmon, Patrick Rudolph,
Marcello Sylvester Bauer, Rob Herring, devicetree
Add Infineon Multi-phase Digital Controller XDPE11280.
Signed-off-by: Marcello Sylvester Bauer <sylv@sylv.io>
---
Documentation/devicetree/bindings/trivial-devices.yaml | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
index 091792ba993e..8a42aea3b8a6 100644
--- a/Documentation/devicetree/bindings/trivial-devices.yaml
+++ b/Documentation/devicetree/bindings/trivial-devices.yaml
@@ -137,6 +137,8 @@ properties:
- infineon,slb9645tt
# Infineon TLV493D-A1B6 I2C 3D Magnetic Sensor
- infineon,tlv493d-a1b6
+ # Infineon Multi-phase Digital VR Controller xdpe11280
+ - infineon,xdpe11280
# Infineon Multi-phase Digital VR Controller xdpe12254
- infineon,xdpe12254
# Infineon Multi-phase Digital VR Controller xdpe12284
--
2.34.1
^ permalink raw reply related [flat|nested] 5+ messages in thread* [PATCH v1 2/3] hwmon (xdpe12284): Add support for xdpe11280
2022-02-17 9:27 [PATCH v1 0/3] Support XDPE112 Marcello Sylvester Bauer
2022-02-17 9:27 ` [PATCH v1 1/3] dt-bindings: trivial-devices: Add xdpe11280 Marcello Sylvester Bauer
@ 2022-02-17 9:27 ` Marcello Sylvester Bauer
2022-02-17 9:27 ` [PATCH v1 3/3] hwmon (xdpe12284): Add regulator support Marcello Sylvester Bauer
2 siblings, 0 replies; 5+ messages in thread
From: Marcello Sylvester Bauer @ 2022-02-17 9:27 UTC (permalink / raw)
To: Guenter Roeck, Jean Delvare, Jonathan Corbet
Cc: linux-kernel, linux-hwmon, Patrick Rudolph,
Marcello Sylvester Bauer, linux-doc
Add support for another family of Infineon Multi-phase controllers.
The xdpe11280 uses linear instead of vid data format for VOUT.
Add the required logic to detect VOUT_MODE during identification,
and set the format accordingly.
Signed-off-by: Marcello Sylvester Bauer <sylv@sylv.io>
---
Documentation/hwmon/xdpe12284.rst | 10 +++++++---
drivers/hwmon/pmbus/xdpe12284.c | 17 ++++++++++++++++-
2 files changed, 23 insertions(+), 4 deletions(-)
diff --git a/Documentation/hwmon/xdpe12284.rst b/Documentation/hwmon/xdpe12284.rst
index 67d1f87808e5..e9a5a19b0c3d 100644
--- a/Documentation/hwmon/xdpe12284.rst
+++ b/Documentation/hwmon/xdpe12284.rst
@@ -5,6 +5,10 @@ Kernel driver xdpe122
Supported chips:
+ * Infineon XDPE11280
+
+ Prefix: 'xdpe11280'
+
* Infineon XDPE12254
Prefix: 'xdpe12254'
@@ -20,9 +24,9 @@ Authors:
Description
-----------
-This driver implements support for Infineon Multi-phase XDPE122 family
-dual loop voltage regulators.
-The family includes XDPE12284 and XDPE12254 devices.
+This driver implements support for Infineon Multi-phase XDPE112 and XDPE122
+family dual loop voltage regulators.
+These families include XDPE11280, XDPE12284 and XDPE12254 devices.
The devices from this family complaint with:
- Intel VR13 and VR13HC rev 1.3, IMVP8 rev 1.2 and IMPVP9 rev 1.3 DC-DC
diff --git a/drivers/hwmon/pmbus/xdpe12284.c b/drivers/hwmon/pmbus/xdpe12284.c
index b07da06a40c9..ec947c697670 100644
--- a/drivers/hwmon/pmbus/xdpe12284.c
+++ b/drivers/hwmon/pmbus/xdpe12284.c
@@ -27,6 +27,9 @@ static int xdpe122_read_word_data(struct i2c_client *client, int page,
s32 mantissa;
int ret;
+ if (info->format[PSC_VOLTAGE_OUT] == linear)
+ return -ENODATA;
+
switch (reg) {
case PMBUS_VOUT_OV_FAULT_LIMIT:
case PMBUS_VOUT_UV_FAULT_LIMIT:
@@ -75,9 +78,19 @@ static int xdpe122_read_word_data(struct i2c_client *client, int page,
static int xdpe122_identify(struct i2c_client *client,
struct pmbus_driver_info *info)
{
- u8 vout_params;
+ u8 vout_mode, vout_params;
int i, ret;
+ ret = pmbus_read_byte_data(client, 0, PMBUS_VOUT_MODE);
+ if (ret < 0)
+ return ret;
+
+ vout_mode = ret >> 5;
+ if (vout_mode == 0) {
+ info->format[PSC_VOLTAGE_OUT] = linear;
+ return 0;
+ }
+
for (i = 0; i < XDPE122_PAGE_NUM; i++) {
/* Read the register with VOUT scaling value.*/
ret = pmbus_read_byte_data(client, i, PMBUS_VOUT_MODE);
@@ -140,6 +153,7 @@ static int xdpe122_probe(struct i2c_client *client)
}
static const struct i2c_device_id xdpe122_id[] = {
+ {"xdpe11280", 0},
{"xdpe12254", 0},
{"xdpe12284", 0},
{}
@@ -148,6 +162,7 @@ static const struct i2c_device_id xdpe122_id[] = {
MODULE_DEVICE_TABLE(i2c, xdpe122_id);
static const struct of_device_id __maybe_unused xdpe122_of_match[] = {
+ {.compatible = "infineon,xdpe11280"},
{.compatible = "infineon,xdpe12254"},
{.compatible = "infineon,xdpe12284"},
{}
--
2.34.1
^ permalink raw reply related [flat|nested] 5+ messages in thread* [PATCH v1 3/3] hwmon (xdpe12284): Add regulator support
2022-02-17 9:27 [PATCH v1 0/3] Support XDPE112 Marcello Sylvester Bauer
2022-02-17 9:27 ` [PATCH v1 1/3] dt-bindings: trivial-devices: Add xdpe11280 Marcello Sylvester Bauer
2022-02-17 9:27 ` [PATCH v1 2/3] hwmon (xdpe12284): Add support for xdpe11280 Marcello Sylvester Bauer
@ 2022-02-17 9:27 ` Marcello Sylvester Bauer
2022-02-17 14:28 ` kernel test robot
2 siblings, 1 reply; 5+ messages in thread
From: Marcello Sylvester Bauer @ 2022-02-17 9:27 UTC (permalink / raw)
To: Guenter Roeck, Jean Delvare
Cc: linux-kernel, linux-hwmon, Patrick Rudolph,
Marcello Sylvester Bauer
Add simple on/off regulator support for xdpe12284 and
other pmbus parts supported by the xdpe12284 driver.
Signed-off-by: Marcello Sylvester Bauer <sylv@sylv.io>
---
drivers/hwmon/pmbus/Kconfig | 6 ++++++
drivers/hwmon/pmbus/xdpe12284.c | 11 +++++++++++
2 files changed, 17 insertions(+)
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig
index c96f7b7338bd..e0e9b67bf3eb 100644
--- a/drivers/hwmon/pmbus/Kconfig
+++ b/drivers/hwmon/pmbus/Kconfig
@@ -394,6 +394,12 @@ config SENSORS_XDPE122
This driver can also be built as a module. If so, the module will
be called xdpe12284.
+config SENSORS_XDPE122_REGULATOR
+ bool "Regulator support for XDPE122 and compatibles"
+ depends on SENSORS_XDPE122 && REGULATOR
+ help
+ Uses the xdpe12284 or compatible as regulator.
+
config SENSORS_ZL6100
tristate "Intersil ZL6100 and compatibles"
help
diff --git a/drivers/hwmon/pmbus/xdpe12284.c b/drivers/hwmon/pmbus/xdpe12284.c
index ec947c697670..c58776ef0311 100644
--- a/drivers/hwmon/pmbus/xdpe12284.c
+++ b/drivers/hwmon/pmbus/xdpe12284.c
@@ -10,6 +10,8 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/regulator/driver.h>
+
#include "pmbus.h"
#define XDPE122_PROT_VR12_5MV 0x01 /* VR12.0 mode, 5-mV DAC */
@@ -120,6 +122,11 @@ static int xdpe122_identify(struct i2c_client *client,
return 0;
}
+static const struct regulator_desc xdpe122_reg_desc[] = {
+ PMBUS_REGULATOR("vout", 0),
+ PMBUS_REGULATOR("vout", 1),
+};
+
static struct pmbus_driver_info xdpe122_info = {
.pages = XDPE122_PAGE_NUM,
.format[PSC_VOLTAGE_IN] = linear,
@@ -138,6 +145,10 @@ static struct pmbus_driver_info xdpe122_info = {
PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT,
.identify = xdpe122_identify,
.read_word_data = xdpe122_read_word_data,
+#if IS_ENABLED(CONFIG_SENSORS_XDPE122_REGULATOR)
+ .num_regulators = 2,
+ .reg_desc = xdpe122_reg_desc,
+#endif
};
static int xdpe122_probe(struct i2c_client *client)
--
2.34.1
^ permalink raw reply related [flat|nested] 5+ messages in thread