mfd: Add support for S2MPA01 device

Add the necessary entries required for S2MPA01 multi-function
device. While at it also convert whitespaces to tabs in core.h.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

4 files changed, 297 insertions, 10 deletions

diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
index 3fc3ebdd7b8a..281a82747275 100644
--- a/drivers/mfd/sec-core.c
+++ b/drivers/mfd/sec-core.c
@@ -26,6 +26,7 @@
 #include <linux/mfd/samsung/core.h>
 #include <linux/mfd/samsung/irq.h>
 #include <linux/mfd/samsung/rtc.h>
+#include <linux/mfd/samsung/s2mpa01.h>
 #include <linux/mfd/samsung/s2mps11.h>
 #include <linux/mfd/samsung/s2mps14.h>
 #include <linux/mfd/samsung/s5m8763.h>
@@ -80,21 +81,43 @@ static const struct mfd_cell s2mps14_devs[] = {
         }
 };
 
+static const struct mfd_cell s2mpa01_devs[] = {
+        {
+                .name = "s2mpa01-pmic",
+        },
+};
+
 #ifdef CONFIG_OF
 static struct of_device_id sec_dt_match[] = {
         {       .compatible = "samsung,s5m8767-pmic",
                 .data = (void *)S5M8767X,
-        },
-        {       .compatible = "samsung,s2mps11-pmic",
+        }, {
+                .compatible = "samsung,s2mps11-pmic",
                 .data = (void *)S2MPS11X,
-        },
-        {       .compatible = "samsung,s2mps14-pmic",
+        }, {
+                .compatible = "samsung,s2mps14-pmic",
                 .data = (void *)S2MPS14X,
+        }, {
+                .compatible = "samsung,s2mpa01-pmic",
+                .data = (void *)S2MPA01,
+        }, {
+                /* Sentinel */
         },
-        {},
 };
 #endif
 
+static bool s2mpa01_volatile(struct device *dev, unsigned int reg)
+{
+        switch (reg) {
+        case S2MPA01_REG_INT1M:
+        case S2MPA01_REG_INT2M:
+        case S2MPA01_REG_INT3M:
+                return false;
+        default:
+                return true;
+        }
+}
+
 static bool s2mps11_volatile(struct device *dev, unsigned int reg)
 {
         switch (reg) {
@@ -125,6 +148,15 @@ static const struct regmap_config sec_regmap_config = {
         .val_bits = 8,
 };
 
+static const struct regmap_config s2mpa01_regmap_config = {
+        .reg_bits = 8,
+        .val_bits = 8,
+
+        .max_register = S2MPA01_REG_LDO_OVCB4,
+        .volatile_reg = s2mpa01_volatile,
+        .cache_type = REGCACHE_FLAT,
+};
+
 static const struct regmap_config s2mps11_regmap_config = {
         .reg_bits = 8,
         .val_bits = 8,
@@ -261,6 +293,9 @@ static int sec_pmic_probe(struct i2c_client *i2c,
         }
 
         switch (sec_pmic->device_type) {
+        case S2MPA01:
+                regmap = &s2mpa01_regmap_config;
+                break;
         case S2MPS11X:
                 regmap = &s2mps11_regmap_config;
                 /*
@@ -332,6 +367,10 @@ static int sec_pmic_probe(struct i2c_client *i2c,
                 ret = mfd_add_devices(sec_pmic->dev, -1, s5m8767_devs,
                                       ARRAY_SIZE(s5m8767_devs), NULL, 0, NULL);
                 break;
+        case S2MPA01:
+                ret = mfd_add_devices(sec_pmic->dev, -1, s2mpa01_devs,
+                                      ARRAY_SIZE(s2mpa01_devs), NULL, 0, NULL);
+                break;
         case S2MPS11X:
                 ret = mfd_add_devices(sec_pmic->dev, -1, s2mps11_devs,
                                       ARRAY_SIZE(s2mps11_devs), NULL, 0, NULL);
diff --git a/include/linux/mfd/samsung/core.h b/include/linux/mfd/samsung/core.h
index 5073d81660e7..900bc9e1888b 100644
--- a/include/linux/mfd/samsung/core.h
+++ b/include/linux/mfd/samsung/core.h
@@ -18,6 +18,7 @@ enum sec_device_type {
         S5M8751X,
         S5M8763X,
         S5M8767X,
+        S2MPA01,
         S2MPS11X,
         S2MPS14X,
 };
@@ -93,7 +94,7 @@ struct sec_platform_data {
         int                             buck3_default_idx;
         int                             buck4_default_idx;
 
-        int                             buck_ramp_delay;
+        int                             buck_ramp_delay;
 
         int                             buck2_ramp_delay;
         int                             buck34_ramp_delay;
@@ -101,10 +102,15 @@ struct sec_platform_data {
         int                             buck16_ramp_delay;
         int                             buck7810_ramp_delay;
         int                             buck9_ramp_delay;
-
-        bool                            buck2_ramp_enable;
-        bool                            buck3_ramp_enable;
-        bool                            buck4_ramp_enable;
+        int                             buck24_ramp_delay;
+        int                             buck3_ramp_delay;
+        int                             buck7_ramp_delay;
+        int                             buck8910_ramp_delay;
+
+        bool                            buck1_ramp_enable;
+        bool                            buck2_ramp_enable;
+        bool                            buck3_ramp_enable;
+        bool                            buck4_ramp_enable;
         bool                            buck6_ramp_enable;
 
         int                             buck2_init;
diff --git a/include/linux/mfd/samsung/irq.h b/include/linux/mfd/samsung/irq.h
index 0065f6f1daf4..1224f447356b 100644
--- a/include/linux/mfd/samsung/irq.h
+++ b/include/linux/mfd/samsung/irq.h
@@ -13,6 +13,56 @@
 #ifndef __LINUX_MFD_SEC_IRQ_H
 #define __LINUX_MFD_SEC_IRQ_H
 
+enum s2mpa01_irq {
+        S2MPA01_IRQ_PWRONF,
+        S2MPA01_IRQ_PWRONR,
+        S2MPA01_IRQ_JIGONBF,
+        S2MPA01_IRQ_JIGONBR,
+        S2MPA01_IRQ_ACOKBF,
+        S2MPA01_IRQ_ACOKBR,
+        S2MPA01_IRQ_PWRON1S,
+        S2MPA01_IRQ_MRB,
+
+        S2MPA01_IRQ_RTC60S,
+        S2MPA01_IRQ_RTCA1,
+        S2MPA01_IRQ_RTCA0,
+        S2MPA01_IRQ_SMPL,
+        S2MPA01_IRQ_RTC1S,
+        S2MPA01_IRQ_WTSR,
+
+        S2MPA01_IRQ_INT120C,
+        S2MPA01_IRQ_INT140C,
+        S2MPA01_IRQ_LDO3_TSD,
+        S2MPA01_IRQ_B16_TSD,
+        S2MPA01_IRQ_B24_TSD,
+        S2MPA01_IRQ_B35_TSD,
+
+        S2MPA01_IRQ_NR,
+};
+
+#define S2MPA01_IRQ_PWRONF_MASK         (1 << 0)
+#define S2MPA01_IRQ_PWRONR_MASK         (1 << 1)
+#define S2MPA01_IRQ_JIGONBF_MASK        (1 << 2)
+#define S2MPA01_IRQ_JIGONBR_MASK        (1 << 3)
+#define S2MPA01_IRQ_ACOKBF_MASK         (1 << 4)
+#define S2MPA01_IRQ_ACOKBR_MASK         (1 << 5)
+#define S2MPA01_IRQ_PWRON1S_MASK        (1 << 6)
+#define S2MPA01_IRQ_MRB_MASK            (1 << 7)
+
+#define S2MPA01_IRQ_RTC60S_MASK         (1 << 0)
+#define S2MPA01_IRQ_RTCA1_MASK          (1 << 1)
+#define S2MPA01_IRQ_RTCA0_MASK          (1 << 2)
+#define S2MPA01_IRQ_SMPL_MASK           (1 << 3)
+#define S2MPA01_IRQ_RTC1S_MASK          (1 << 4)
+#define S2MPA01_IRQ_WTSR_MASK           (1 << 5)
+
+#define S2MPA01_IRQ_INT120C_MASK        (1 << 0)
+#define S2MPA01_IRQ_INT140C_MASK        (1 << 1)
+#define S2MPA01_IRQ_LDO3_TSD_MASK       (1 << 2)
+#define S2MPA01_IRQ_B16_TSD_MASK        (1 << 3)
+#define S2MPA01_IRQ_B24_TSD_MASK        (1 << 4)
+#define S2MPA01_IRQ_B35_TSD_MASK        (1 << 5)
+
 enum s2mps11_irq {
         S2MPS11_IRQ_PWRONF,
         S2MPS11_IRQ_PWRONR,
diff --git a/include/linux/mfd/samsung/s2mpa01.h b/include/linux/mfd/samsung/s2mpa01.h
new file mode 100644
index 000000000000..fbc63bc0d6a2
--- /dev/null
+++ b/include/linux/mfd/samsung/s2mpa01.h
@@ -0,0 +1,192 @@
+/*
+ * Copyright (c) 2013 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.
+ *
+ */
+
+#ifndef __LINUX_MFD_S2MPA01_H
+#define __LINUX_MFD_S2MPA01_H
+
+/* S2MPA01 registers */
+enum s2mpa01_reg {
+        S2MPA01_REG_ID,
+        S2MPA01_REG_INT1,
+        S2MPA01_REG_INT2,
+        S2MPA01_REG_INT3,
+        S2MPA01_REG_INT1M,
+        S2MPA01_REG_INT2M,
+        S2MPA01_REG_INT3M,
+        S2MPA01_REG_ST1,
+        S2MPA01_REG_ST2,
+        S2MPA01_REG_PWRONSRC,
+        S2MPA01_REG_OFFSRC,
+        S2MPA01_REG_RTC_BUF,
+        S2MPA01_REG_CTRL1,
+        S2MPA01_REG_ETC_TEST,
+        S2MPA01_REG_RSVD1,
+        S2MPA01_REG_BU_CHG,
+        S2MPA01_REG_RAMP1,
+        S2MPA01_REG_RAMP2,
+        S2MPA01_REG_LDO_DSCH1,
+        S2MPA01_REG_LDO_DSCH2,
+        S2MPA01_REG_LDO_DSCH3,
+        S2MPA01_REG_LDO_DSCH4,
+        S2MPA01_REG_OTP_ADRL,
+        S2MPA01_REG_OTP_ADRH,
+        S2MPA01_REG_OTP_DATA,
+        S2MPA01_REG_MON1SEL,
+        S2MPA01_REG_MON2SEL,
+        S2MPA01_REG_LEE,
+        S2MPA01_REG_RSVD2,
+        S2MPA01_REG_RSVD3,
+        S2MPA01_REG_RSVD4,
+        S2MPA01_REG_RSVD5,
+        S2MPA01_REG_RSVD6,
+        S2MPA01_REG_TOP_RSVD,
+        S2MPA01_REG_DVS_SEL,
+        S2MPA01_REG_DVS_PTR,
+        S2MPA01_REG_DVS_DATA,
+        S2MPA01_REG_RSVD_NO,
+        S2MPA01_REG_UVLO,
+        S2MPA01_REG_LEE_NO,
+        S2MPA01_REG_B1CTRL1,
+        S2MPA01_REG_B1CTRL2,
+        S2MPA01_REG_B2CTRL1,
+        S2MPA01_REG_B2CTRL2,
+        S2MPA01_REG_B3CTRL1,
+        S2MPA01_REG_B3CTRL2,
+        S2MPA01_REG_B4CTRL1,
+        S2MPA01_REG_B4CTRL2,
+        S2MPA01_REG_B5CTRL1,
+        S2MPA01_REG_B5CTRL2,
+        S2MPA01_REG_B5CTRL3,
+        S2MPA01_REG_B5CTRL4,
+        S2MPA01_REG_B5CTRL5,
+        S2MPA01_REG_B5CTRL6,
+        S2MPA01_REG_B6CTRL1,
+        S2MPA01_REG_B6CTRL2,
+        S2MPA01_REG_B7CTRL1,
+        S2MPA01_REG_B7CTRL2,
+        S2MPA01_REG_B8CTRL1,
+        S2MPA01_REG_B8CTRL2,
+        S2MPA01_REG_B9CTRL1,
+        S2MPA01_REG_B9CTRL2,
+        S2MPA01_REG_B10CTRL1,
+        S2MPA01_REG_B10CTRL2,
+        S2MPA01_REG_L1CTRL,
+        S2MPA01_REG_L2CTRL,
+        S2MPA01_REG_L3CTRL,
+        S2MPA01_REG_L4CTRL,
+        S2MPA01_REG_L5CTRL,
+        S2MPA01_REG_L6CTRL,
+        S2MPA01_REG_L7CTRL,
+        S2MPA01_REG_L8CTRL,
+        S2MPA01_REG_L9CTRL,
+        S2MPA01_REG_L10CTRL,
+        S2MPA01_REG_L11CTRL,
+        S2MPA01_REG_L12CTRL,
+        S2MPA01_REG_L13CTRL,
+        S2MPA01_REG_L14CTRL,
+        S2MPA01_REG_L15CTRL,
+        S2MPA01_REG_L16CTRL,
+        S2MPA01_REG_L17CTRL,
+        S2MPA01_REG_L18CTRL,
+        S2MPA01_REG_L19CTRL,
+        S2MPA01_REG_L20CTRL,
+        S2MPA01_REG_L21CTRL,
+        S2MPA01_REG_L22CTRL,
+        S2MPA01_REG_L23CTRL,
+        S2MPA01_REG_L24CTRL,
+        S2MPA01_REG_L25CTRL,
+        S2MPA01_REG_L26CTRL,
+
+        S2MPA01_REG_LDO_OVCB1,
+        S2MPA01_REG_LDO_OVCB2,
+        S2MPA01_REG_LDO_OVCB3,
+        S2MPA01_REG_LDO_OVCB4,
+
+};
+
+/* S2MPA01 regulator ids */
+enum s2mpa01_regulators {
+        S2MPA01_LDO1,
+        S2MPA01_LDO2,
+        S2MPA01_LDO3,
+        S2MPA01_LDO4,
+        S2MPA01_LDO5,
+        S2MPA01_LDO6,
+        S2MPA01_LDO7,
+        S2MPA01_LDO8,
+        S2MPA01_LDO9,
+        S2MPA01_LDO10,
+        S2MPA01_LDO11,
+        S2MPA01_LDO12,
+        S2MPA01_LDO13,
+        S2MPA01_LDO14,
+        S2MPA01_LDO15,
+        S2MPA01_LDO16,
+        S2MPA01_LDO17,
+        S2MPA01_LDO18,
+        S2MPA01_LDO19,
+        S2MPA01_LDO20,
+        S2MPA01_LDO21,
+        S2MPA01_LDO22,
+        S2MPA01_LDO23,
+        S2MPA01_LDO24,
+        S2MPA01_LDO25,
+        S2MPA01_LDO26,
+
+        S2MPA01_BUCK1,
+        S2MPA01_BUCK2,
+        S2MPA01_BUCK3,
+        S2MPA01_BUCK4,
+        S2MPA01_BUCK5,
+        S2MPA01_BUCK6,
+        S2MPA01_BUCK7,
+        S2MPA01_BUCK8,
+        S2MPA01_BUCK9,
+        S2MPA01_BUCK10,
+
+        S2MPA01_REGULATOR_MAX,
+};
+
+#define S2MPA01_BUCK_MIN1       600000
+#define S2MPA01_BUCK_MIN2       800000
+#define S2MPA01_BUCK_MIN3       1000000
+#define S2MPA01_BUCK_MIN4       1500000
+#define S2MPA01_LDO_MIN         800000
+
+#define S2MPA01_BUCK_STEP1      6250
+#define S2MPA01_BUCK_STEP2      12500
+
+#define S2MPA01_LDO_STEP1       50000
+#define S2MPA01_LDO_STEP2       25000
+
+#define S2MPA01_LDO_VSEL_MASK   0x3F
+#define S2MPA01_BUCK_VSEL_MASK  0xFF
+#define S2MPA01_ENABLE_MASK     (0x03 << S2MPA01_ENABLE_SHIFT)
+#define S2MPA01_ENABLE_SHIFT    0x06
+#define S2MPA01_LDO_N_VOLTAGES  (S2MPA01_LDO_VSEL_MASK + 1)
+#define S2MPA01_BUCK_N_VOLTAGES (S2MPA01_BUCK_VSEL_MASK + 1)
+
+#define S2MPA01_RAMP_DELAY      12500   /* uV/us */
+
+#define S2MPA01_BUCK16_RAMP_SHIFT       4
+#define S2MPA01_BUCK24_RAMP_SHIFT       6
+#define S2MPA01_BUCK3_RAMP_SHIFT        4
+#define S2MPA01_BUCK5_RAMP_SHIFT        6
+#define S2MPA01_BUCK7_RAMP_SHIFT        2
+#define S2MPA01_BUCK8910_RAMP_SHIFT     0
+
+#define S2MPA01_BUCK1_RAMP_EN_SHIFT     3
+#define S2MPA01_BUCK2_RAMP_EN_SHIFT     2
+#define S2MPA01_BUCK3_RAMP_EN_SHIFT     1
+#define S2MPA01_BUCK4_RAMP_EN_SHIFT     0
+#define S2MPA01_PMIC_EN_SHIFT   6
+
+#endif /*__LINUX_MFD_S2MPA01_H */