[PATCH 08/14] mfd: sec: Add support for S2MPS14

Krzysztof Kozlowski
2014-02-11T13:03:51Z

Add support for S2MPS14 PMIC device to the MFD sec-core driver.
The S2MPS14 is similar to S2MPS11 but it has fewer regulators, two
clocks instead of three and a little different registers layout.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
---
drivers/mfd/sec-core.c | 48 +++++++++--
drivers/mfd/sec-irq.c | 89 +++++++++++++++++++-
include/linux/mfd/samsung/core.h | 1 +
include/linux/mfd/samsung/irq.h | 27 +++++++
include/linux/mfd/samsung/rtc.h | 56 +++++++++++--
include/linux/mfd/samsung/s2mps14.h | 152 +++++++++++++++++++++++++++++++++++
6 files changed, 361 insertions(+), 12 deletions(-)
create mode 100644 include/linux/mfd/samsung/s2mps14.h

diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
index 8504de82b7e0..6e5343255633 100644
--- a/drivers/mfd/sec-core.c
+++ b/drivers/mfd/sec-core.c
@@ -27,6 +27,7 @@
#include <linux/mfd/samsung/irq.h>
#include <linux/mfd/samsung/rtc.h>
#include <linux/mfd/samsung/s2mps11.h>
+#include <linux/mfd/samsung/s2mps14.h>
#include <linux/mfd/samsung/s5m8763.h>
#include <linux/mfd/samsung/s5m8767.h>
#include <linux/regmap.h>
@@ -69,6 +70,16 @@ static const struct mfd_cell s2mps11_devs[] = {
}
};

+static const struct mfd_cell s2mps14_devs[] = {
+ {
+ .name = "s2mps14-pmic",
+ }, {
+ .name = "s2mps14-rtc",
+ }, {
+ .name = "s2mps14-clk",
+ }
+};
+
#ifdef CONFIG_OF
static struct of_device_id sec_dt_match[] = {
{ .compatible = "samsung,s5m8767-pmic",
@@ -77,6 +88,9 @@ static struct of_device_id sec_dt_match[] = {
{ .compatible = "samsung,s2mps11-pmic",
.data = (void *)S2MPS11X,
},
+ { .compatible = "samsung,s2mps14-pmic",
+ .data = (void *)S2MPS14X,
+ },
{},
};
#endif
@@ -120,6 +134,15 @@ static const struct regmap_config s2mps11_regmap_config = {
.cache_type = REGCACHE_FLAT,
};

+static const struct regmap_config s2mps14_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = S2MPS14_REG_LDODSCH3,
+ .volatile_reg = s2mps11_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
static const struct regmap_config s5m8763_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
@@ -138,13 +161,20 @@ static const struct regmap_config s5m8767_regmap_config = {
.cache_type = REGCACHE_FLAT,
};

-static const struct regmap_config sec_rtc_regmap_config = {
+static const struct regmap_config s5m_rtc_regmap_config = {
.reg_bits = 8,
.val_bits = 8,

.max_register = S5M_RTC_REG_MAX,
};

+static const struct regmap_config s2mps14_rtc_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = S2MPS_RTC_REG_MAX,
+};
+
#ifdef CONFIG_OF
/*
* Only the common platform data elements for s5m8767 are parsed here from the
@@ -239,19 +269,23 @@ static int sec_pmic_probe(struct i2c_client *i2c,
* However we must pass something to devm_regmap_init_i2c()
* so use S5M-like regmap config even though it wouldn't work.
*/
- regmap_rtc = &sec_rtc_regmap_config;
+ regmap_rtc = &s5m_rtc_regmap_config;
+ break;
+ case S2MPS14X:
+ regmap = &s2mps14_regmap_config;
+ regmap_rtc = &s2mps14_rtc_regmap_config;
break;
case S5M8763X:
regmap = &s5m8763_regmap_config;
- regmap_rtc = &sec_rtc_regmap_config;
+ regmap_rtc = &s5m_rtc_regmap_config;
break;
case S5M8767X:
regmap = &s5m8767_regmap_config;
- regmap_rtc = &sec_rtc_regmap_config;
+ regmap_rtc = &s5m_rtc_regmap_config;
break;
default:
regmap = &sec_regmap_config;
- regmap_rtc = &sec_rtc_regmap_config;
+ regmap_rtc = &s5m_rtc_regmap_config;
break;
}

@@ -302,6 +336,10 @@ static int sec_pmic_probe(struct i2c_client *i2c,
ret = mfd_add_devices(sec_pmic->dev, -1, s2mps11_devs,
ARRAY_SIZE(s2mps11_devs), NULL, 0, NULL);
break;
+ case S2MPS14X:
+ ret = mfd_add_devices(sec_pmic->dev, -1, s2mps14_devs,
+ ARRAY_SIZE(s2mps14_devs), NULL, 0, NULL);
+ break;
default:
/* If this happens the probe function is problem */
BUG();
diff --git a/drivers/mfd/sec-irq.c b/drivers/mfd/sec-irq.c
index e403c293b437..64e7913aadc6 100644
--- a/drivers/mfd/sec-irq.c
+++ b/drivers/mfd/sec-irq.c
@@ -1,7 +1,7 @@
/*
* sec-irq.c
*
- * Copyright (c) 2011 Samsung Electronics Co., Ltd
+ * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd
* http://www.samsung.com
*
* This program is free software; you can redistribute it and/or modify it
@@ -19,6 +19,7 @@
#include <linux/mfd/samsung/core.h>
#include <linux/mfd/samsung/irq.h>
#include <linux/mfd/samsung/s2mps11.h>
+#include <linux/mfd/samsung/s2mps14.h>
#include <linux/mfd/samsung/s5m8763.h>
#include <linux/mfd/samsung/s5m8767.h>

@@ -89,6 +90,76 @@ static const struct regmap_irq s2mps11_irqs[] = {
},
};

+static const struct regmap_irq s2mps14_irqs[] = {
+ [S2MPS14_IRQ_PWRONF] = {
+ .reg_offset = 0,
+ .mask = S2MPS11_IRQ_PWRONF_MASK,
+ },
+ [S2MPS14_IRQ_PWRONR] = {
+ .reg_offset = 0,
+ .mask = S2MPS11_IRQ_PWRONR_MASK,
+ },
+ [S2MPS14_IRQ_JIGONBF] = {
+ .reg_offset = 0,
+ .mask = S2MPS11_IRQ_JIGONBF_MASK,
+ },
+ [S2MPS14_IRQ_JIGONBR] = {
+ .reg_offset = 0,
+ .mask = S2MPS11_IRQ_JIGONBR_MASK,
+ },
+ [S2MPS14_IRQ_ACOKBF] = {
+ .reg_offset = 0,
+ .mask = S2MPS11_IRQ_ACOKBF_MASK,
+ },
+ [S2MPS14_IRQ_ACOKBR] = {
+ .reg_offset = 0,
+ .mask = S2MPS11_IRQ_ACOKBR_MASK,
+ },
+ [S2MPS14_IRQ_PWRON1S] = {
+ .reg_offset = 0,
+ .mask = S2MPS11_IRQ_PWRON1S_MASK,
+ },
+ [S2MPS14_IRQ_MRB] = {
+ .reg_offset = 0,
+ .mask = S2MPS11_IRQ_MRB_MASK,
+ },
+ [S2MPS14_IRQ_RTC60S] = {
+ .reg_offset = 1,
+ .mask = S2MPS11_IRQ_RTC60S_MASK,
+ },
+ [S2MPS14_IRQ_RTCA1] = {
+ .reg_offset = 1,
+ .mask = S2MPS11_IRQ_RTCA1_MASK,
+ },
+ [S2MPS14_IRQ_RTCA0] = {
+ .reg_offset = 1,
+ .mask = S2MPS11_IRQ_RTCA0_MASK,
+ },
+ [S2MPS14_IRQ_SMPL] = {
+ .reg_offset = 1,
+ .mask = S2MPS11_IRQ_SMPL_MASK,
+ },
+ [S2MPS14_IRQ_RTC1S] = {
+ .reg_offset = 1,
+ .mask = S2MPS11_IRQ_RTC1S_MASK,
+ },
+ [S2MPS14_IRQ_WTSR] = {
+ .reg_offset = 1,
+ .mask = S2MPS11_IRQ_WTSR_MASK,
+ },
+ [S2MPS14_IRQ_INT120C] = {
+ .reg_offset = 2,
+ .mask = S2MPS11_IRQ_INT120C_MASK,
+ },
+ [S2MPS14_IRQ_INT140C] = {
+ .reg_offset = 2,
+ .mask = S2MPS11_IRQ_INT140C_MASK,
+ },
+ [S2MPS14_IRQ_TSD] = {
+ .reg_offset = 2,
+ .mask = S2MPS14_IRQ_TSD_MASK,
+ },
+};

static const struct regmap_irq s5m8767_irqs[] = {
[S5M8767_IRQ_PWRR] = {
@@ -246,6 +317,16 @@ static const struct regmap_irq_chip s2mps11_irq_chip = {
.ack_base = S2MPS11_REG_INT1,
};

+static const struct regmap_irq_chip s2mps14_irq_chip = {
+ .name = "s2mps14",
+ .irqs = s2mps14_irqs,
+ .num_irqs = ARRAY_SIZE(s2mps14_irqs),
+ .num_regs = 3,
+ .status_base = S2MPS14_REG_INT1,
+ .mask_base = S2MPS14_REG_INT1M,
+ .ack_base = S2MPS14_REG_INT1,
+};
+
static const struct regmap_irq_chip s5m8767_irq_chip = {
.name = "s5m8767",
.irqs = s5m8767_irqs,
@@ -297,6 +378,12 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
sec_pmic->irq_base, &s2mps11_irq_chip,
&sec_pmic->irq_data);
break;
+ case S2MPS14X:
+ ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
+ IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ sec_pmic->irq_base, &s2mps14_irq_chip,
+ &sec_pmic->irq_data);
+ break;
default:
dev_err(sec_pmic->dev, "Unknown device type %d\n",
sec_pmic->device_type);
diff --git a/include/linux/mfd/samsung/core.h b/include/linux/mfd/samsung/core.h
index 55510444b9fd..e517b12f290f 100644
--- a/include/linux/mfd/samsung/core.h
+++ b/include/linux/mfd/samsung/core.h
@@ -19,6 +19,7 @@ enum sec_device_type {
S5M8763X,
S5M8767X,
S2MPS11X,
+ S2MPS14X,
};

/**
diff --git a/include/linux/mfd/samsung/irq.h b/include/linux/mfd/samsung/irq.h
index abe1a6aae3b7..0065f6f1daf4 100644
--- a/include/linux/mfd/samsung/irq.h
+++ b/include/linux/mfd/samsung/irq.h
@@ -55,6 +55,33 @@ enum s2mps11_irq {
#define S2MPS11_IRQ_INT120C_MASK (1 << 0)
#define S2MPS11_IRQ_INT140C_MASK (1 << 1)

+enum s2mps14_irq {
+ S2MPS14_IRQ_PWRONF,
+ S2MPS14_IRQ_PWRONR,
+ S2MPS14_IRQ_JIGONBF,
+ S2MPS14_IRQ_JIGONBR,
+ S2MPS14_IRQ_ACOKBF,
+ S2MPS14_IRQ_ACOKBR,
+ S2MPS14_IRQ_PWRON1S,
+ S2MPS14_IRQ_MRB,
+
+ S2MPS14_IRQ_RTC60S,
+ S2MPS14_IRQ_RTCA1,
+ S2MPS14_IRQ_RTCA0,
+ S2MPS14_IRQ_SMPL,
+ S2MPS14_IRQ_RTC1S,
+ S2MPS14_IRQ_WTSR,
+
+ S2MPS14_IRQ_INT120C,
+ S2MPS14_IRQ_INT140C,
+ S2MPS14_IRQ_TSD,
+
+ S2MPS14_IRQ_NR,
+};
+
+/* Masks for interrupts are the same as in s2mps11 */
+#define S2MPS14_IRQ_TSD_MASK (1 << 2)
+
enum s5m8767_irq {
S5M8767_IRQ_PWRR,
S5M8767_IRQ_PWRF,
diff --git a/include/linux/mfd/samsung/rtc.h b/include/linux/mfd/samsung/rtc.h
index bdf0573891d0..fa0fc32c763a 100644
--- a/include/linux/mfd/samsung/rtc.h
+++ b/include/linux/mfd/samsung/rtc.h
@@ -1,12 +1,17 @@
-/* rtc.h
+/* rtc.h
*
- * Copyright (c) 2011 Samsung Electronics Co., Ltd
+ * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd
* http://www.samsung.com
*
- * 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 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.
*
*/

@@ -47,15 +52,50 @@ enum s5m_rtc_reg {
S5M_RTC_REG_MAX,
};

+enum s2mps_rtc_reg {
+ S2MPS_RTC_CTRL,
+ S2MPS_WTSR_SMPL_CNTL,
+ S2MPS_RTC_UDR_CON,
+ S2MPS_RSVD,
+ S2MPS_RTC_SEC,
+ S2MPS_RTC_MIN,
+ S2MPS_RTC_HOUR,
+ S2MPS_RTC_WEEKDAY,
+ S2MPS_RTC_DATE,
+ S2MPS_RTC_MONTH,
+ S2MPS_RTC_YEAR,
+ S2MPS_ALARM0_SEC,
+ S2MPS_ALARM0_MIN,
+ S2MPS_ALARM0_HOUR,
+ S2MPS_ALARM0_WEEKDAY,
+ S2MPS_ALARM0_DATE,
+ S2MPS_ALARM0_MONTH,
+ S2MPS_ALARM0_YEAR,
+ S2MPS_ALARM1_SEC,
+ S2MPS_ALARM1_MIN,
+ S2MPS_ALARM1_HOUR,
+ S2MPS_ALARM1_WEEKDAY,
+ S2MPS_ALARM1_DATE,
+ S2MPS_ALARM1_MONTH,
+ S2MPS_ALARM1_YEAR,
+ S2MPS_OFFSRC,
+
+ S2MPS_RTC_REG_MAX,
+};
+
#define RTC_I2C_ADDR (0x0C >> 1)

#define HOUR_12 (1 << 7)
#define HOUR_AMPM (1 << 6)
#define HOUR_PM (1 << 5)
+
#define S5M_ALARM0_STATUS (1 << 1)
#define S5M_ALARM1_STATUS (1 << 2)
#define S5M_UPDATE_AD (1 << 0)

+#define S2MPS_ALARM0_STATUS (1 << 2)
+#define S2MPS_ALARM1_STATUS (1 << 1)
+
/* RTC Control Register */
#define BCD_EN_SHIFT 0
#define BCD_EN_MASK (1 << BCD_EN_SHIFT)
@@ -64,6 +104,10 @@ enum s5m_rtc_reg {
/* RTC Update Register1 */
#define S5M_RTC_UDR_SHIFT 0
#define S5M_RTC_UDR_MASK (1 << S5M_RTC_UDR_SHIFT)
+#define S2MPS_RTC_WUDR_SHIFT 4
+#define S2MPS_RTC_WUDR_MASK (1 << S2MPS_RTC_WUDR_SHIFT)
+#define S2MPS_RTC_RUDR_SHIFT 0
+#define S2MPS_RTC_RUDR_MASK (1 << S2MPS_RTC_RUDR_SHIFT)
#define RTC_TCON_SHIFT 1
#define RTC_TCON_MASK (1 << RTC_TCON_SHIFT)
#define S5M_RTC_TIME_EN_SHIFT 3
diff --git a/include/linux/mfd/samsung/s2mps14.h b/include/linux/mfd/samsung/s2mps14.h
new file mode 100644
index 000000000000..c4bfb8edc836
--- /dev/null
+++ b/include/linux/mfd/samsung/s2mps14.h
@@ -0,0 +1,152 @@
+/*
+ * s2mps14.h
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd
+ * http://www.samsung.com
+ *
+ * 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.
+ *
+ */
+
+#ifndef __LINUX_MFD_S2MPS14_H
+#define __LINUX_MFD_S2MPS14_H
+
+/* S2MPS14 registers */
+enum s2mps14_reg {
+ S2MPS14_REG_ID,
+ S2MPS14_REG_INT1,
+ S2MPS14_REG_INT2,
+ S2MPS14_REG_INT3,
+ S2MPS14_REG_INT1M,
+ S2MPS14_REG_INT2M,
+ S2MPS14_REG_INT3M,
+ S2MPS14_REG_ST1,
+ S2MPS14_REG_ST2,
+ S2MPS14_REG_PWRONSRC,
+ S2MPS14_REG_OFFSRC,
+ S2MPS14_REG_BU_CHG,
+ S2MPS14_REG_RTCCTRL,
+ S2MPS14_REG_CTRL1,
+ S2MPS14_REG_CTRL2,
+ S2MPS14_REG_RSVD1,
+ S2MPS14_REG_RSVD2,
+ S2MPS14_REG_RSVD3,
+ S2MPS14_REG_RSVD4,
+ S2MPS14_REG_RSVD5,
+ S2MPS14_REG_RSVD6,
+ S2MPS14_REG_CTRL3,
+ S2MPS14_REG_RSVD7,
+ S2MPS14_REG_RSVD8,
+ S2MPS14_REG_WRSTBI,
+ S2MPS14_REG_B1CTRL1,
+ S2MPS14_REG_B1CTRL2,
+ S2MPS14_REG_B2CTRL1,
+ S2MPS14_REG_B2CTRL2,
+ S2MPS14_REG_B3CTRL1,
+ S2MPS14_REG_B3CTRL2,
+ S2MPS14_REG_B4CTRL1,
+ S2MPS14_REG_B4CTRL2,
+ S2MPS14_REG_B5CTRL1,
+ S2MPS14_REG_B5CTRL2,
+ S2MPS14_REG_L1CTRL,
+ S2MPS14_REG_L2CTRL,
+ S2MPS14_REG_L3CTRL,
+ S2MPS14_REG_L4CTRL,
+ S2MPS14_REG_L5CTRL,
+ S2MPS14_REG_L6CTRL,
+ S2MPS14_REG_L7CTRL,
+ S2MPS14_REG_L8CTRL,
+ S2MPS14_REG_L9CTRL,
+ S2MPS14_REG_L10CTRL,
+ S2MPS14_REG_L11CTRL,
+ S2MPS14_REG_L12CTRL,
+ S2MPS14_REG_L13CTRL,
+ S2MPS14_REG_L14CTRL,
+ S2MPS14_REG_L15CTRL,
+ S2MPS14_REG_L16CTRL,
+ S2MPS14_REG_L17CTRL,
+ S2MPS14_REG_L18CTRL,
+ S2MPS14_REG_L19CTRL,
+ S2MPS14_REG_L20CTRL,
+ S2MPS14_REG_L21CTRL,
+ S2MPS14_REG_L22CTRL,
+ S2MPS14_REG_L23CTRL,
+ S2MPS14_REG_L24CTRL,
+ S2MPS14_REG_L25CTRL,
+ S2MPS14_REG_LDODSCH1,
+ S2MPS14_REG_LDODSCH2,
+ S2MPS14_REG_LDODSCH3,
+};
+
+/* S2MPS14 regulator ids */
+enum s2mps14_regulators {
+ S2MPS14_LDO1,
+ S2MPS14_LDO2,
+ S2MPS14_LDO3,
+ S2MPS14_LDO4,
+ S2MPS14_LDO5,
+ S2MPS14_LDO6,
+ S2MPS14_LDO7,
+ S2MPS14_LDO8,
+ S2MPS14_LDO9,
+ S2MPS14_LDO10,
+ S2MPS14_LDO11,
+ S2MPS14_LDO12,
+ S2MPS14_LDO13,
+ S2MPS14_LDO14,
+ S2MPS14_LDO15,
+ S2MPS14_LDO16,
+ S2MPS14_LDO17,
+ S2MPS14_LDO18,
+ S2MPS14_LDO19,
+ S2MPS14_LDO20,
+ S2MPS14_LDO21,
+ S2MPS14_LDO22,
+ S2MPS14_LDO23,
+ S2MPS14_LDO24,
+ S2MPS14_LDO25,
+ S2MPS14_BUCK1,
+ S2MPS14_BUCK2,
+ S2MPS14_BUCK3,
+ S2MPS14_BUCK4,
+ S2MPS14_BUCK5,
+
+ S2MPS14_REGULATOR_MAX,
+};
+
+/* Regulator constraints for BUCKx */
+#define S2MPS14_BUCK1235_MIN_600MV 600000
+#define S2MPS14_BUCK4_MIN_1400MV 1400000
+#define S2MPS14_BUCK1235_STEP_6_25MV 6250
+#define S2MPS14_BUCK4_STEP_12_5MV 12500
+#define S2MPS14_BUCK1235_START_SEL 0x20
+#define S2MPS14_BUCK4_START_SEL 0x40
+/*
+ * Default ramp delay in uv/us. Datasheet says that ramp delay can be
+ * controlled however it does not specify which register is used for that.
+ * Let's assume that default value will be set.
+ */
+#define S2MPS14_BUCK_RAMP_DELAY 12500
+
+/* Regulator constraints for different types of LDOx */
+#define S2MPS14_LDO_MIN_800MV 800000
+#define S2MPS14_LDO_MIN_1800MV 1800000
+#define S2MPS14_LDO_STEP_12_5MV 12500
+#define S2MPS14_LDO_STEP_25MV 25000
+
+#define S2MPS14_LDO_VSEL_MASK 0x3F
+#define S2MPS14_BUCK_VSEL_MASK 0xFF
+#define S2MPS14_ENABLE_MASK (0x03 << S2MPS14_ENABLE_SHIFT)
+#define S2MPS14_ENABLE_SHIFT 6
+#define S2MPS14_LDO_N_VOLTAGES (S2MPS14_LDO_VSEL_MASK + 1)
+#define S2MPS14_BUCK_N_VOLTAGES (S2MPS14_BUCK_VSEL_MASK + 1)
+
+#endif /* __LINUX_MFD_S2MPS14_H */
--
1.7.9.5