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Message-id: <1403680487-12141-3-git-send-email-cw00.choi@samsung.com>
Date: Wed, 25 Jun 2014 16:14:45 +0900
From: Chanwoo Choi <cw00.choi@...sung.com>
To: lee.jones@...aro.org, sbkim73@...sung.com, sameo@...ux.intel.com,
broonie@...nel.org
Cc: myungjoo.ham@...sung.com, kyungmin.park@...sung.com,
linux-kernel@...r.kernel.org, Chanwoo Choi <cw00.choi@...sung.com>,
Jonghwa Lee <jonghwa3.lee@...sung.com>
Subject: [PATCHv8 2/4] regulator: s2mps11: Add support S2MPU02 regulator device
This patch add S2MPU02 regulator device to existing S2MPS11 device driver
because of little difference between S2MPS1x and S2MPU02. The S2MPU02
regulator device includes LDO[1-28] and BUCK[1-7].
Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
[Add missing linear_min_sel of S2MPU02 LDO regulators by Jonghwa Lee]
Signed-off-by: Jonghwa Lee <jonghwa3.lee@...sung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
Acked-by: Mark Brown <broonie@...aro.org>
Acked-by: Lee Jones <lee.jones@...aro.org>
---
drivers/mfd/sec-core.c | 25 ++++
drivers/regulator/s2mps11.c | 321 +++++++++++++++++++++++++++++++++++++++++---
2 files changed, 325 insertions(+), 21 deletions(-)
diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
index 15ba847..2621328 100644
--- a/drivers/mfd/sec-core.c
+++ b/drivers/mfd/sec-core.c
@@ -28,6 +28,7 @@
#include <linux/mfd/samsung/s2mpa01.h>
#include <linux/mfd/samsung/s2mps11.h>
#include <linux/mfd/samsung/s2mps14.h>
+#include <linux/mfd/samsung/s2mpu02.h>
#include <linux/mfd/samsung/s5m8763.h>
#include <linux/mfd/samsung/s5m8767.h>
#include <linux/regmap.h>
@@ -144,6 +145,18 @@ static bool s2mps11_volatile(struct device *dev, unsigned int reg)
}
}
+static bool s2mpu02_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case S2MPU02_REG_INT1M:
+ case S2MPU02_REG_INT2M:
+ case S2MPU02_REG_INT3M:
+ return false;
+ default:
+ return true;
+ }
+}
+
static bool s5m8763_volatile(struct device *dev, unsigned int reg)
{
switch (reg) {
@@ -189,6 +202,15 @@ static const struct regmap_config s2mps14_regmap_config = {
.cache_type = REGCACHE_FLAT,
};
+static const struct regmap_config s2mpu02_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = S2MPU02_REG_DVSDATA,
+ .volatile_reg = s2mpu02_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
static const struct regmap_config s5m8763_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
@@ -310,6 +332,9 @@ static int sec_pmic_probe(struct i2c_client *i2c,
case S5M8767X:
regmap = &s5m8767_regmap_config;
break;
+ case S2MPU02:
+ regmap = &s2mpu02_regmap_config;
+ break;
default:
regmap = &sec_regmap_config;
break;
diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c
index 02e2fb2..2daacc6 100644
--- a/drivers/regulator/s2mps11.c
+++ b/drivers/regulator/s2mps11.c
@@ -31,6 +31,7 @@
#include <linux/mfd/samsung/core.h>
#include <linux/mfd/samsung/s2mps11.h>
#include <linux/mfd/samsung/s2mps14.h>
+#include <linux/mfd/samsung/s2mpu02.h>
struct s2mps11_info {
unsigned int rdev_num;
@@ -40,11 +41,15 @@ struct s2mps11_info {
int ramp_delay16;
int ramp_delay7810;
int ramp_delay9;
+
+ enum sec_device_type dev_type;
+
/*
- * One bit for each S2MPS14 regulator whether the suspend mode
+ * One bit for each S2MPS14/S2MPU02 regulator whether the suspend mode
* was enabled.
*/
- unsigned int s2mps14_suspend_state:30;
+ unsigned long long s2mps14_suspend_state:35;
+
/* Array of size rdev_num with GPIO-s for external sleep control */
int *ext_control_gpio;
};
@@ -415,12 +420,24 @@ static int s2mps14_regulator_enable(struct regulator_dev *rdev)
struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
unsigned int val;
- if (s2mps11->s2mps14_suspend_state & (1 << rdev_get_id(rdev)))
- val = S2MPS14_ENABLE_SUSPEND;
- else if (gpio_is_valid(s2mps11->ext_control_gpio[rdev_get_id(rdev)]))
- val = S2MPS14_ENABLE_EXT_CONTROL;
- else
- val = rdev->desc->enable_mask;
+ switch (s2mps11->dev_type) {
+ case S2MPS14X:
+ if (s2mps11->s2mps14_suspend_state & (1 << rdev_get_id(rdev)))
+ val = S2MPS14_ENABLE_SUSPEND;
+ else if (gpio_is_valid(s2mps11->ext_control_gpio[rdev_get_id(rdev)]))
+ val = S2MPS14_ENABLE_EXT_CONTROL;
+ else
+ val = rdev->desc->enable_mask;
+ break;
+ case S2MPU02:
+ if (s2mps11->s2mps14_suspend_state & (1 << rdev_get_id(rdev)))
+ val = S2MPU02_ENABLE_SUSPEND;
+ else
+ val = rdev->desc->enable_mask;
+ break;
+ default:
+ return -EINVAL;
+ };
return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
rdev->desc->enable_mask, val);
@@ -429,12 +446,38 @@ static int s2mps14_regulator_enable(struct regulator_dev *rdev)
static int s2mps14_regulator_set_suspend_disable(struct regulator_dev *rdev)
{
int ret;
- unsigned int val;
+ unsigned int val, state;
struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
+ int rdev_id = rdev_get_id(rdev);
- /* LDO3 should be always on and does not support suspend mode */
- if (rdev_get_id(rdev) == S2MPS14_LDO3)
- return 0;
+ /* Below LDO should be always on or does not support suspend mode. */
+ switch (s2mps11->dev_type) {
+ case S2MPS14X:
+ switch (rdev_id) {
+ case S2MPS14_LDO3:
+ return 0;
+ default:
+ state = S2MPS14_ENABLE_SUSPEND;
+ break;
+ };
+ break;
+ case S2MPU02:
+ switch (rdev_id) {
+ case S2MPU02_LDO13:
+ case S2MPU02_LDO14:
+ case S2MPU02_LDO15:
+ case S2MPU02_LDO17:
+ case S2MPU02_BUCK7:
+ state = S2MPU02_DISABLE_SUSPEND;
+ break;
+ default:
+ state = S2MPU02_ENABLE_SUSPEND;
+ break;
+ };
+ break;
+ default:
+ return -EINVAL;
+ };
ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val);
if (ret < 0)
@@ -452,7 +495,7 @@ static int s2mps14_regulator_set_suspend_disable(struct regulator_dev *rdev)
return 0;
return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
- rdev->desc->enable_mask, S2MPS14_ENABLE_SUSPEND);
+ rdev->desc->enable_mask, state);
}
static struct regulator_ops s2mps14_reg_ops = {
@@ -605,8 +648,7 @@ static void s2mps14_pmic_dt_parse_ext_control_gpio(struct platform_device *pdev,
}
static int s2mps11_pmic_dt_parse(struct platform_device *pdev,
- struct of_regulator_match *rdata, struct s2mps11_info *s2mps11,
- enum sec_device_type dev_type)
+ struct of_regulator_match *rdata, struct s2mps11_info *s2mps11)
{
struct device_node *reg_np;
@@ -617,7 +659,7 @@ static int s2mps11_pmic_dt_parse(struct platform_device *pdev,
}
of_regulator_match(&pdev->dev, reg_np, rdata, s2mps11->rdev_num);
- if (dev_type == S2MPS14X)
+ if (s2mps11->dev_type == S2MPS14X)
s2mps14_pmic_dt_parse_ext_control_gpio(pdev, rdata, s2mps11);
of_node_put(reg_np);
@@ -625,6 +667,238 @@ static int s2mps11_pmic_dt_parse(struct platform_device *pdev,
return 0;
}
+static int s2mpu02_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
+{
+ unsigned int ramp_val, ramp_shift, ramp_reg;
+
+ switch (rdev_get_id(rdev)) {
+ case S2MPU02_BUCK1:
+ ramp_shift = S2MPU02_BUCK1_RAMP_SHIFT;
+ break;
+ case S2MPU02_BUCK2:
+ ramp_shift = S2MPU02_BUCK2_RAMP_SHIFT;
+ break;
+ case S2MPU02_BUCK3:
+ ramp_shift = S2MPU02_BUCK3_RAMP_SHIFT;
+ break;
+ case S2MPU02_BUCK4:
+ ramp_shift = S2MPU02_BUCK4_RAMP_SHIFT;
+ break;
+ default:
+ return 0;
+ }
+ ramp_reg = S2MPU02_REG_RAMP1;
+ ramp_val = get_ramp_delay(ramp_delay);
+
+ return regmap_update_bits(rdev->regmap, ramp_reg,
+ S2MPU02_BUCK1234_RAMP_MASK << ramp_shift,
+ ramp_val << ramp_shift);
+}
+
+static struct regulator_ops s2mpu02_ldo_ops = {
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = s2mps14_regulator_enable,
+ .disable = regulator_disable_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .set_voltage_time_sel = regulator_set_voltage_time_sel,
+ .set_suspend_disable = s2mps14_regulator_set_suspend_disable,
+};
+
+static struct regulator_ops s2mpu02_buck_ops = {
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = s2mps14_regulator_enable,
+ .disable = regulator_disable_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .set_voltage_time_sel = regulator_set_voltage_time_sel,
+ .set_suspend_disable = s2mps14_regulator_set_suspend_disable,
+ .set_ramp_delay = s2mpu02_set_ramp_delay,
+};
+
+#define regulator_desc_s2mpu02_ldo1(num) { \
+ .name = "LDO"#num, \
+ .id = S2MPU02_LDO##num, \
+ .ops = &s2mpu02_ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = S2MPU02_LDO_MIN_900MV, \
+ .uV_step = S2MPU02_LDO_STEP_12_5MV, \
+ .linear_min_sel = S2MPU02_LDO_GROUP1_START_SEL, \
+ .n_voltages = S2MPU02_LDO_N_VOLTAGES, \
+ .vsel_reg = S2MPU02_REG_L1CTRL, \
+ .vsel_mask = S2MPU02_LDO_VSEL_MASK, \
+ .enable_reg = S2MPU02_REG_L1CTRL, \
+ .enable_mask = S2MPU02_ENABLE_MASK \
+}
+#define regulator_desc_s2mpu02_ldo2(num) { \
+ .name = "LDO"#num, \
+ .id = S2MPU02_LDO##num, \
+ .ops = &s2mpu02_ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = S2MPU02_LDO_MIN_1050MV, \
+ .uV_step = S2MPU02_LDO_STEP_25MV, \
+ .linear_min_sel = S2MPU02_LDO_GROUP2_START_SEL, \
+ .n_voltages = S2MPU02_LDO_N_VOLTAGES, \
+ .vsel_reg = S2MPU02_REG_L2CTRL1, \
+ .vsel_mask = S2MPU02_LDO_VSEL_MASK, \
+ .enable_reg = S2MPU02_REG_L2CTRL1, \
+ .enable_mask = S2MPU02_ENABLE_MASK \
+}
+#define regulator_desc_s2mpu02_ldo3(num) { \
+ .name = "LDO"#num, \
+ .id = S2MPU02_LDO##num, \
+ .ops = &s2mpu02_ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = S2MPU02_LDO_MIN_900MV, \
+ .uV_step = S2MPU02_LDO_STEP_12_5MV, \
+ .linear_min_sel = S2MPU02_LDO_GROUP1_START_SEL, \
+ .n_voltages = S2MPU02_LDO_N_VOLTAGES, \
+ .vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \
+ .vsel_mask = S2MPU02_LDO_VSEL_MASK, \
+ .enable_reg = S2MPU02_REG_L3CTRL + num - 3, \
+ .enable_mask = S2MPU02_ENABLE_MASK \
+}
+#define regulator_desc_s2mpu02_ldo4(num) { \
+ .name = "LDO"#num, \
+ .id = S2MPU02_LDO##num, \
+ .ops = &s2mpu02_ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = S2MPU02_LDO_MIN_1050MV, \
+ .uV_step = S2MPU02_LDO_STEP_25MV, \
+ .linear_min_sel = S2MPU02_LDO_GROUP2_START_SEL, \
+ .n_voltages = S2MPU02_LDO_N_VOLTAGES, \
+ .vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \
+ .vsel_mask = S2MPU02_LDO_VSEL_MASK, \
+ .enable_reg = S2MPU02_REG_L3CTRL + num - 3, \
+ .enable_mask = S2MPU02_ENABLE_MASK \
+}
+#define regulator_desc_s2mpu02_ldo5(num) { \
+ .name = "LDO"#num, \
+ .id = S2MPU02_LDO##num, \
+ .ops = &s2mpu02_ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = S2MPU02_LDO_MIN_1600MV, \
+ .uV_step = S2MPU02_LDO_STEP_50MV, \
+ .linear_min_sel = S2MPU02_LDO_GROUP3_START_SEL, \
+ .n_voltages = S2MPU02_LDO_N_VOLTAGES, \
+ .vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \
+ .vsel_mask = S2MPU02_LDO_VSEL_MASK, \
+ .enable_reg = S2MPU02_REG_L3CTRL + num - 3, \
+ .enable_mask = S2MPU02_ENABLE_MASK \
+}
+
+#define regulator_desc_s2mpu02_buck1234(num) { \
+ .name = "BUCK"#num, \
+ .id = S2MPU02_BUCK##num, \
+ .ops = &s2mpu02_buck_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = S2MPU02_BUCK1234_MIN_600MV, \
+ .uV_step = S2MPU02_BUCK1234_STEP_6_25MV, \
+ .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \
+ .linear_min_sel = S2MPU02_BUCK1234_START_SEL, \
+ .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \
+ .vsel_reg = S2MPU02_REG_B1CTRL2 + (num - 1) * 2, \
+ .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \
+ .enable_reg = S2MPU02_REG_B1CTRL1 + (num - 1) * 2, \
+ .enable_mask = S2MPU02_ENABLE_MASK \
+}
+#define regulator_desc_s2mpu02_buck5(num) { \
+ .name = "BUCK"#num, \
+ .id = S2MPU02_BUCK##num, \
+ .ops = &s2mpu02_ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = S2MPU02_BUCK5_MIN_1081_25MV, \
+ .uV_step = S2MPU02_BUCK5_STEP_6_25MV, \
+ .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \
+ .linear_min_sel = S2MPU02_BUCK5_START_SEL, \
+ .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \
+ .vsel_reg = S2MPU02_REG_B5CTRL2, \
+ .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \
+ .enable_reg = S2MPU02_REG_B5CTRL1, \
+ .enable_mask = S2MPU02_ENABLE_MASK \
+}
+#define regulator_desc_s2mpu02_buck6(num) { \
+ .name = "BUCK"#num, \
+ .id = S2MPU02_BUCK##num, \
+ .ops = &s2mpu02_ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = S2MPU02_BUCK6_MIN_1700MV, \
+ .uV_step = S2MPU02_BUCK6_STEP_2_50MV, \
+ .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \
+ .linear_min_sel = S2MPU02_BUCK6_START_SEL, \
+ .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \
+ .vsel_reg = S2MPU02_REG_B6CTRL2, \
+ .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \
+ .enable_reg = S2MPU02_REG_B6CTRL1, \
+ .enable_mask = S2MPU02_ENABLE_MASK \
+}
+#define regulator_desc_s2mpu02_buck7(num) { \
+ .name = "BUCK"#num, \
+ .id = S2MPU02_BUCK##num, \
+ .ops = &s2mpu02_ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = S2MPU02_BUCK7_MIN_900MV, \
+ .uV_step = S2MPU02_BUCK7_STEP_6_25MV, \
+ .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \
+ .linear_min_sel = S2MPU02_BUCK7_START_SEL, \
+ .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \
+ .vsel_reg = S2MPU02_REG_B7CTRL2, \
+ .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \
+ .enable_reg = S2MPU02_REG_B7CTRL1, \
+ .enable_mask = S2MPU02_ENABLE_MASK \
+}
+
+static const struct regulator_desc s2mpu02_regulators[] = {
+ regulator_desc_s2mpu02_ldo1(1),
+ regulator_desc_s2mpu02_ldo2(2),
+ regulator_desc_s2mpu02_ldo4(3),
+ regulator_desc_s2mpu02_ldo5(4),
+ regulator_desc_s2mpu02_ldo4(5),
+ regulator_desc_s2mpu02_ldo3(6),
+ regulator_desc_s2mpu02_ldo3(7),
+ regulator_desc_s2mpu02_ldo4(8),
+ regulator_desc_s2mpu02_ldo5(9),
+ regulator_desc_s2mpu02_ldo3(10),
+ regulator_desc_s2mpu02_ldo4(11),
+ regulator_desc_s2mpu02_ldo5(12),
+ regulator_desc_s2mpu02_ldo5(13),
+ regulator_desc_s2mpu02_ldo5(14),
+ regulator_desc_s2mpu02_ldo5(15),
+ regulator_desc_s2mpu02_ldo5(16),
+ regulator_desc_s2mpu02_ldo4(17),
+ regulator_desc_s2mpu02_ldo5(18),
+ regulator_desc_s2mpu02_ldo3(19),
+ regulator_desc_s2mpu02_ldo4(20),
+ regulator_desc_s2mpu02_ldo5(21),
+ regulator_desc_s2mpu02_ldo5(22),
+ regulator_desc_s2mpu02_ldo5(23),
+ regulator_desc_s2mpu02_ldo4(24),
+ regulator_desc_s2mpu02_ldo5(25),
+ regulator_desc_s2mpu02_ldo4(26),
+ regulator_desc_s2mpu02_ldo5(27),
+ regulator_desc_s2mpu02_ldo5(28),
+ regulator_desc_s2mpu02_buck1234(1),
+ regulator_desc_s2mpu02_buck1234(2),
+ regulator_desc_s2mpu02_buck1234(3),
+ regulator_desc_s2mpu02_buck1234(4),
+ regulator_desc_s2mpu02_buck5(5),
+ regulator_desc_s2mpu02_buck6(6),
+ regulator_desc_s2mpu02_buck7(7),
+};
+
static int s2mps11_pmic_probe(struct platform_device *pdev)
{
struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);
@@ -634,15 +908,14 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
struct s2mps11_info *s2mps11;
int i, ret = 0;
const struct regulator_desc *regulators;
- enum sec_device_type dev_type;
s2mps11 = devm_kzalloc(&pdev->dev, sizeof(struct s2mps11_info),
GFP_KERNEL);
if (!s2mps11)
return -ENOMEM;
- dev_type = platform_get_device_id(pdev)->driver_data;
- switch (dev_type) {
+ s2mps11->dev_type = platform_get_device_id(pdev)->driver_data;
+ switch (s2mps11->dev_type) {
case S2MPS11X:
s2mps11->rdev_num = ARRAY_SIZE(s2mps11_regulators);
regulators = s2mps11_regulators;
@@ -651,8 +924,13 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
s2mps11->rdev_num = ARRAY_SIZE(s2mps14_regulators);
regulators = s2mps14_regulators;
break;
+ case S2MPU02:
+ s2mps11->rdev_num = ARRAY_SIZE(s2mpu02_regulators);
+ regulators = s2mpu02_regulators;
+ break;
default:
- dev_err(&pdev->dev, "Invalid device type: %u\n", dev_type);
+ dev_err(&pdev->dev, "Invalid device type: %u\n",
+ s2mps11->dev_type);
return -EINVAL;
};
@@ -686,7 +964,7 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
for (i = 0; i < s2mps11->rdev_num; i++)
rdata[i].name = regulators[i].name;
- ret = s2mps11_pmic_dt_parse(pdev, rdata, s2mps11, dev_type);
+ ret = s2mps11_pmic_dt_parse(pdev, rdata, s2mps11);
if (ret)
goto out;
@@ -739,6 +1017,7 @@ out:
static const struct platform_device_id s2mps11_pmic_id[] = {
{ "s2mps11-pmic", S2MPS11X},
{ "s2mps14-pmic", S2MPS14X},
+ { "s2mpu02-pmic", S2MPU02},
{ },
};
MODULE_DEVICE_TABLE(platform, s2mps11_pmic_id);
--
1.8.0
--
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