summaryrefslogtreecommitdiff
path: root/drivers/regulator/s2mps11.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/regulator/s2mps11.c')
-rw-r--r--drivers/regulator/s2mps11.c473
1 files changed, 283 insertions, 190 deletions
diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c
index 7726b874e539..04ae9c6150bd 100644
--- a/drivers/regulator/s2mps11.c
+++ b/drivers/regulator/s2mps11.c
@@ -1,24 +1,12 @@
-/*
- * s2mps11.c
- *
- * Copyright (c) 2012-2014 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.
- *
- */
+// SPDX-License-Identifier: GPL-2.0+
+//
+// Copyright (c) 2012-2014 Samsung Electronics Co., Ltd
+// http://www.samsung.com
#include <linux/bug.h>
+#include <linux/cleanup.h>
#include <linux/err.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/of.h>
@@ -27,13 +15,13 @@
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/of_regulator.h>
-#include <linux/of_gpio.h>
#include <linux/mfd/samsung/core.h>
#include <linux/mfd/samsung/s2mps11.h>
#include <linux/mfd/samsung/s2mps13.h>
#include <linux/mfd/samsung/s2mps14.h>
#include <linux/mfd/samsung/s2mps15.h>
#include <linux/mfd/samsung/s2mpu02.h>
+#include <linux/mfd/samsung/s2mpu05.h>
/* The highest number of possible regulators for supported devices. */
#define S2MPS_REGULATOR_MAX S2MPS13_REGULATOR_MAX
@@ -48,7 +36,7 @@ struct s2mps11_info {
enum sec_device_type dev_type;
/*
- * One bit for each S2MPS13/S2MPS14/S2MPU02 regulator whether
+ * One bit for each S2MPS11/S2MPS13/S2MPS14/S2MPU02 regulator whether
* the suspend mode was enabled.
*/
DECLARE_BITMAP(suspend_state, S2MPS_REGULATOR_MAX);
@@ -57,7 +45,7 @@ struct s2mps11_info {
* Array (size: number of regulators) with GPIO-s for external
* sleep control.
*/
- int *ext_control_gpio;
+ struct gpio_desc **ext_control_gpiod;
};
static int get_ramp_delay(int ramp_delay)
@@ -84,10 +72,11 @@ static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev *rdev,
unsigned int new_selector)
{
struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
+ int rdev_id = rdev_get_id(rdev);
unsigned int ramp_delay = 0;
int old_volt, new_volt;
- switch (rdev_get_id(rdev)) {
+ switch (rdev_id) {
case S2MPS11_BUCK2:
ramp_delay = s2mps11->ramp_delay2;
break;
@@ -125,9 +114,10 @@ static int s2mps11_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
unsigned int ramp_val, ramp_shift, ramp_reg = S2MPS11_REG_RAMP_BUCK;
unsigned int ramp_enable = 1, enable_shift = 0;
+ int rdev_id = rdev_get_id(rdev);
int ret;
- switch (rdev_get_id(rdev)) {
+ switch (rdev_id) {
case S2MPS11_BUCK1:
if (ramp_delay > s2mps11->ramp_delay16)
s2mps11->ramp_delay16 = ramp_delay;
@@ -217,9 +207,8 @@ static int s2mps11_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
goto ramp_disable;
/* Ramp delay can be enabled/disabled only for buck[2346] */
- if ((rdev_get_id(rdev) >= S2MPS11_BUCK2 &&
- rdev_get_id(rdev) <= S2MPS11_BUCK4) ||
- rdev_get_id(rdev) == S2MPS11_BUCK6) {
+ if ((rdev_id >= S2MPS11_BUCK2 && rdev_id <= S2MPS11_BUCK4) ||
+ rdev_id == S2MPS11_BUCK6) {
ret = regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP,
1 << enable_shift, 1 << enable_shift);
if (ret) {
@@ -238,27 +227,136 @@ ramp_disable:
1 << enable_shift, 0);
}
+static int s2mps11_regulator_enable(struct regulator_dev *rdev)
+{
+ struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
+ int rdev_id = rdev_get_id(rdev);
+ unsigned int val;
+
+ switch (s2mps11->dev_type) {
+ case S2MPS11X:
+ if (test_bit(rdev_id, s2mps11->suspend_state))
+ val = S2MPS14_ENABLE_SUSPEND;
+ else
+ val = rdev->desc->enable_mask;
+ break;
+ case S2MPS13X:
+ case S2MPS14X:
+ if (test_bit(rdev_id, s2mps11->suspend_state))
+ val = S2MPS14_ENABLE_SUSPEND;
+ else if (s2mps11->ext_control_gpiod[rdev_id])
+ val = S2MPS14_ENABLE_EXT_CONTROL;
+ else
+ val = rdev->desc->enable_mask;
+ break;
+ case S2MPU02:
+ if (test_bit(rdev_id, s2mps11->suspend_state))
+ val = S2MPU02_ENABLE_SUSPEND;
+ else
+ val = rdev->desc->enable_mask;
+ break;
+ case S2MPU05:
+ val = rdev->desc->enable_mask;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+ rdev->desc->enable_mask, val);
+}
+
+static int s2mps11_regulator_set_suspend_disable(struct regulator_dev *rdev)
+{
+ int ret;
+ unsigned int val, state;
+ struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
+ int rdev_id = rdev_get_id(rdev);
+
+ /* Below LDO should be always on or does not support suspend mode. */
+ switch (s2mps11->dev_type) {
+ case S2MPS11X:
+ switch (rdev_id) {
+ case S2MPS11_LDO2:
+ case S2MPS11_LDO36:
+ case S2MPS11_LDO37:
+ case S2MPS11_LDO38:
+ return 0;
+ default:
+ state = S2MPS14_ENABLE_SUSPEND;
+ break;
+ }
+ break;
+ case S2MPS13X:
+ 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)
+ return ret;
+
+ set_bit(rdev_id, s2mps11->suspend_state);
+ /*
+ * Don't enable suspend mode if regulator is already disabled because
+ * this would effectively for a short time turn on the regulator after
+ * resuming.
+ * However we still want to toggle the suspend_state bit for regulator
+ * in case if it got enabled before suspending the system.
+ */
+ if (!(val & rdev->desc->enable_mask))
+ return 0;
+
+ return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+ rdev->desc->enable_mask, state);
+}
+
static const struct regulator_ops s2mps11_ldo_ops = {
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
.is_enabled = regulator_is_enabled_regmap,
- .enable = regulator_enable_regmap,
+ .enable = s2mps11_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 = s2mps11_regulator_set_suspend_disable,
};
static const struct regulator_ops s2mps11_buck_ops = {
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
.is_enabled = regulator_is_enabled_regmap,
- .enable = regulator_enable_regmap,
+ .enable = s2mps11_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 = s2mps11_regulator_set_voltage_time_sel,
.set_ramp_delay = s2mps11_set_ramp_delay,
+ .set_suspend_disable = s2mps11_regulator_set_suspend_disable,
};
#define regulator_desc_s2mps11_ldo(num, step) { \
@@ -283,9 +381,10 @@ static const struct regulator_ops s2mps11_buck_ops = {
.ops = &s2mps11_buck_ops, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
- .min_uV = MIN_600_MV, \
+ .min_uV = MIN_650_MV, \
.uV_step = STEP_6_25_MV, \
- .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \
+ .linear_min_sel = 8, \
+ .n_voltages = S2MPS11_BUCK12346_N_VOLTAGES, \
.ramp_delay = S2MPS11_RAMP_DELAY, \
.vsel_reg = S2MPS11_REG_B1CTRL2 + (num - 1) * 2, \
.vsel_mask = S2MPS11_BUCK_VSEL_MASK, \
@@ -299,9 +398,10 @@ static const struct regulator_ops s2mps11_buck_ops = {
.ops = &s2mps11_buck_ops, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
- .min_uV = MIN_600_MV, \
+ .min_uV = MIN_650_MV, \
.uV_step = STEP_6_25_MV, \
- .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \
+ .linear_min_sel = 8, \
+ .n_voltages = S2MPS11_BUCK5_N_VOLTAGES, \
.ramp_delay = S2MPS11_RAMP_DELAY, \
.vsel_reg = S2MPS11_REG_B5CTRL2, \
.vsel_mask = S2MPS11_BUCK_VSEL_MASK, \
@@ -309,7 +409,7 @@ static const struct regulator_ops s2mps11_buck_ops = {
.enable_mask = S2MPS11_ENABLE_MASK \
}
-#define regulator_desc_s2mps11_buck67810(num, min, step) { \
+#define regulator_desc_s2mps11_buck67810(num, min, step, min_sel, voltages) { \
.name = "BUCK"#num, \
.id = S2MPS11_BUCK##num, \
.ops = &s2mps11_buck_ops, \
@@ -317,7 +417,8 @@ static const struct regulator_ops s2mps11_buck_ops = {
.owner = THIS_MODULE, \
.min_uV = min, \
.uV_step = step, \
- .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \
+ .linear_min_sel = min_sel, \
+ .n_voltages = voltages, \
.ramp_delay = S2MPS11_RAMP_DELAY, \
.vsel_reg = S2MPS11_REG_B6CTRL2 + (num - 6) * 2, \
.vsel_mask = S2MPS11_BUCK_VSEL_MASK, \
@@ -376,7 +477,7 @@ static const struct regulator_desc s2mps11_regulators[] = {
regulator_desc_s2mps11_ldo(32, STEP_50_MV),
regulator_desc_s2mps11_ldo(33, STEP_50_MV),
regulator_desc_s2mps11_ldo(34, STEP_50_MV),
- regulator_desc_s2mps11_ldo(35, STEP_50_MV),
+ regulator_desc_s2mps11_ldo(35, STEP_25_MV),
regulator_desc_s2mps11_ldo(36, STEP_50_MV),
regulator_desc_s2mps11_ldo(37, STEP_50_MV),
regulator_desc_s2mps11_ldo(38, STEP_50_MV),
@@ -385,11 +486,15 @@ static const struct regulator_desc s2mps11_regulators[] = {
regulator_desc_s2mps11_buck1_4(3),
regulator_desc_s2mps11_buck1_4(4),
regulator_desc_s2mps11_buck5,
- regulator_desc_s2mps11_buck67810(6, MIN_600_MV, STEP_6_25_MV),
- regulator_desc_s2mps11_buck67810(7, MIN_600_MV, STEP_6_25_MV),
- regulator_desc_s2mps11_buck67810(8, MIN_600_MV, STEP_6_25_MV),
+ regulator_desc_s2mps11_buck67810(6, MIN_650_MV, STEP_6_25_MV, 8,
+ S2MPS11_BUCK12346_N_VOLTAGES),
+ regulator_desc_s2mps11_buck67810(7, MIN_750_MV, STEP_12_5_MV, 0,
+ S2MPS11_BUCK7810_N_VOLTAGES),
+ regulator_desc_s2mps11_buck67810(8, MIN_750_MV, STEP_12_5_MV, 0,
+ S2MPS11_BUCK7810_N_VOLTAGES),
regulator_desc_s2mps11_buck9,
- regulator_desc_s2mps11_buck67810(10, MIN_750_MV, STEP_12_5_MV),
+ regulator_desc_s2mps11_buck67810(10, MIN_750_MV, STEP_12_5_MV, 0,
+ S2MPS11_BUCK7810_N_VOLTAGES),
};
static const struct regulator_ops s2mps14_reg_ops;
@@ -514,101 +619,16 @@ static const struct regulator_desc s2mps13_regulators[] = {
regulator_desc_s2mps13_buck8_10(10, MIN_500_MV, STEP_6_25_MV, 0x10),
};
-static int s2mps14_regulator_enable(struct regulator_dev *rdev)
-{
- struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
- unsigned int val;
-
- switch (s2mps11->dev_type) {
- case S2MPS13X:
- case S2MPS14X:
- if (test_bit(rdev_get_id(rdev), s2mps11->suspend_state))
- 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 (test_bit(rdev_get_id(rdev), s2mps11->suspend_state))
- 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);
-}
-
-static int s2mps14_regulator_set_suspend_disable(struct regulator_dev *rdev)
-{
- int ret;
- unsigned int val, state;
- struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
- int rdev_id = rdev_get_id(rdev);
-
- /* Below LDO should be always on or does not support suspend mode. */
- switch (s2mps11->dev_type) {
- case S2MPS13X:
- 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)
- return ret;
-
- set_bit(rdev_get_id(rdev), s2mps11->suspend_state);
- /*
- * Don't enable suspend mode if regulator is already disabled because
- * this would effectively for a short time turn on the regulator after
- * resuming.
- * However we still want to toggle the suspend_state bit for regulator
- * in case if it got enabled before suspending the system.
- */
- if (!(val & rdev->desc->enable_mask))
- return 0;
-
- return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
- rdev->desc->enable_mask, state);
-}
-
static const struct regulator_ops s2mps14_reg_ops = {
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
.is_enabled = regulator_is_enabled_regmap,
- .enable = s2mps14_regulator_enable,
+ .enable = s2mps11_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_suspend_disable = s2mps11_regulator_set_suspend_disable,
};
#define regulator_desc_s2mps14_ldo(num, min, step) { \
@@ -734,37 +754,37 @@ static const struct regulator_ops s2mps15_reg_buck_ops = {
}
/* voltage range for s2mps15 LDO 3, 5, 15, 16, 18, 20, 23 and 27 */
-static const struct regulator_linear_range s2mps15_ldo_voltage_ranges1[] = {
+static const struct linear_range s2mps15_ldo_voltage_ranges1[] = {
REGULATOR_LINEAR_RANGE(1000000, 0xc, 0x38, 25000),
};
/* voltage range for s2mps15 LDO 2, 6, 14, 17, 19, 21, 24 and 25 */
-static const struct regulator_linear_range s2mps15_ldo_voltage_ranges2[] = {
+static const struct linear_range s2mps15_ldo_voltage_ranges2[] = {
REGULATOR_LINEAR_RANGE(1800000, 0x0, 0x3f, 25000),
};
/* voltage range for s2mps15 LDO 4, 11, 12, 13, 22 and 26 */
-static const struct regulator_linear_range s2mps15_ldo_voltage_ranges3[] = {
+static const struct linear_range s2mps15_ldo_voltage_ranges3[] = {
REGULATOR_LINEAR_RANGE(700000, 0x0, 0x34, 12500),
};
/* voltage range for s2mps15 LDO 7, 8, 9 and 10 */
-static const struct regulator_linear_range s2mps15_ldo_voltage_ranges4[] = {
+static const struct linear_range s2mps15_ldo_voltage_ranges4[] = {
REGULATOR_LINEAR_RANGE(700000, 0x10, 0x20, 25000),
};
/* voltage range for s2mps15 LDO 1 */
-static const struct regulator_linear_range s2mps15_ldo_voltage_ranges5[] = {
+static const struct linear_range s2mps15_ldo_voltage_ranges5[] = {
REGULATOR_LINEAR_RANGE(500000, 0x0, 0x20, 12500),
};
/* voltage range for s2mps15 BUCK 1, 2, 3, 4, 5, 6 and 7 */
-static const struct regulator_linear_range s2mps15_buck_voltage_ranges1[] = {
+static const struct linear_range s2mps15_buck_voltage_ranges1[] = {
REGULATOR_LINEAR_RANGE(500000, 0x20, 0xc0, 6250),
};
/* voltage range for s2mps15 BUCK 8, 9 and 10 */
-static const struct regulator_linear_range s2mps15_buck_voltage_ranges2[] = {
+static const struct linear_range s2mps15_buck_voltage_ranges2[] = {
REGULATOR_LINEAR_RANGE(1000000, 0x20, 0x78, 12500),
};
@@ -818,7 +838,7 @@ static int s2mps14_pmic_enable_ext_control(struct s2mps11_info *s2mps11,
static void s2mps14_pmic_dt_parse_ext_control_gpio(struct platform_device *pdev,
struct of_regulator_match *rdata, struct s2mps11_info *s2mps11)
{
- int *gpio = s2mps11->ext_control_gpio;
+ struct gpio_desc **gpio = s2mps11->ext_control_gpiod;
unsigned int i;
unsigned int valid_regulators[3] = { S2MPS14_LDO10, S2MPS14_LDO11,
S2MPS14_LDO12 };
@@ -829,11 +849,22 @@ static void s2mps14_pmic_dt_parse_ext_control_gpio(struct platform_device *pdev,
if (!rdata[reg].init_data || !rdata[reg].of_node)
continue;
- gpio[reg] = of_get_named_gpio(rdata[reg].of_node,
- "samsung,ext-control-gpios", 0);
- if (gpio_is_valid(gpio[reg]))
- dev_dbg(&pdev->dev, "Using GPIO %d for ext-control over %d/%s\n",
- gpio[reg], reg, rdata[reg].name);
+ gpio[reg] = devm_fwnode_gpiod_get(&pdev->dev,
+ of_fwnode_handle(rdata[reg].of_node),
+ "samsung,ext-control",
+ GPIOD_OUT_HIGH | GPIOD_FLAGS_BIT_NONEXCLUSIVE,
+ "s2mps11-regulator");
+ if (PTR_ERR(gpio[reg]) == -ENOENT)
+ gpio[reg] = NULL;
+ else if (IS_ERR(gpio[reg])) {
+ dev_err(&pdev->dev, "Failed to get control GPIO for %d/%s\n",
+ reg, rdata[reg].name);
+ gpio[reg] = NULL;
+ continue;
+ }
+ if (gpio[reg])
+ dev_dbg(&pdev->dev, "Using GPIO for ext-control over %d/%s\n",
+ reg, rdata[reg].name);
}
}
@@ -861,8 +892,9 @@ static int s2mps11_pmic_dt_parse(struct platform_device *pdev,
static int s2mpu02_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
{
unsigned int ramp_val, ramp_shift, ramp_reg;
+ int rdev_id = rdev_get_id(rdev);
- switch (rdev_get_id(rdev)) {
+ switch (rdev_id) {
case S2MPU02_BUCK1:
ramp_shift = S2MPU02_BUCK1_RAMP_SHIFT;
break;
@@ -890,24 +922,24 @@ static const 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,
+ .enable = s2mps11_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_suspend_disable = s2mps11_regulator_set_suspend_disable,
};
static const 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,
+ .enable = s2mps11_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_suspend_disable = s2mps11_regulator_set_suspend_disable,
.set_ramp_delay = s2mpu02_set_ramp_delay,
};
@@ -1090,11 +1122,89 @@ static const struct regulator_desc s2mpu02_regulators[] = {
regulator_desc_s2mpu02_buck7(7),
};
+#define regulator_desc_s2mpu05_ldo_reg(num, min, step, reg) { \
+ .name = "ldo"#num, \
+ .id = S2MPU05_LDO##num, \
+ .ops = &s2mpu02_ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = min, \
+ .uV_step = step, \
+ .n_voltages = S2MPU05_LDO_N_VOLTAGES, \
+ .vsel_reg = reg, \
+ .vsel_mask = S2MPU05_LDO_VSEL_MASK, \
+ .enable_reg = reg, \
+ .enable_mask = S2MPU05_ENABLE_MASK, \
+ .enable_time = S2MPU05_ENABLE_TIME_LDO \
+}
+
+#define regulator_desc_s2mpu05_ldo(num, reg, min, step) \
+ regulator_desc_s2mpu05_ldo_reg(num, min, step, S2MPU05_REG_L##num##reg)
+
+#define regulator_desc_s2mpu05_ldo1(num, reg) \
+ regulator_desc_s2mpu05_ldo(num, reg, S2MPU05_LDO_MIN1, S2MPU05_LDO_STEP1)
+
+#define regulator_desc_s2mpu05_ldo2(num, reg) \
+ regulator_desc_s2mpu05_ldo(num, reg, S2MPU05_LDO_MIN1, S2MPU05_LDO_STEP2)
+
+#define regulator_desc_s2mpu05_ldo3(num, reg) \
+ regulator_desc_s2mpu05_ldo(num, reg, S2MPU05_LDO_MIN2, S2MPU05_LDO_STEP2)
+
+#define regulator_desc_s2mpu05_ldo4(num, reg) \
+ regulator_desc_s2mpu05_ldo(num, reg, S2MPU05_LDO_MIN3, S2MPU05_LDO_STEP2)
+
+#define regulator_desc_s2mpu05_buck(num, which) { \
+ .name = "buck"#num, \
+ .id = S2MPU05_BUCK##num, \
+ .ops = &s2mpu02_buck_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = S2MPU05_BUCK_MIN##which, \
+ .uV_step = S2MPU05_BUCK_STEP##which, \
+ .n_voltages = S2MPU05_BUCK_N_VOLTAGES, \
+ .vsel_reg = S2MPU05_REG_B##num##CTRL2, \
+ .vsel_mask = S2MPU05_BUCK_VSEL_MASK, \
+ .enable_reg = S2MPU05_REG_B##num##CTRL1, \
+ .enable_mask = S2MPU05_ENABLE_MASK, \
+ .enable_time = S2MPU05_ENABLE_TIME_BUCK##num \
+}
+
+#define regulator_desc_s2mpu05_buck123(num) regulator_desc_s2mpu05_buck(num, 1)
+#define regulator_desc_s2mpu05_buck45(num) regulator_desc_s2mpu05_buck(num, 2)
+
+static const struct regulator_desc s2mpu05_regulators[] = {
+ regulator_desc_s2mpu05_ldo4(1, CTRL),
+ regulator_desc_s2mpu05_ldo3(2, CTRL),
+ regulator_desc_s2mpu05_ldo2(3, CTRL),
+ regulator_desc_s2mpu05_ldo1(4, CTRL),
+ regulator_desc_s2mpu05_ldo1(5, CTRL),
+ regulator_desc_s2mpu05_ldo1(6, CTRL),
+ regulator_desc_s2mpu05_ldo2(7, CTRL),
+ regulator_desc_s2mpu05_ldo3(8, CTRL),
+ regulator_desc_s2mpu05_ldo4(9, CTRL1),
+ regulator_desc_s2mpu05_ldo4(10, CTRL),
+ /* LDOs 11-24 are used for CP. They aren't documented. */
+ regulator_desc_s2mpu05_ldo2(25, CTRL),
+ regulator_desc_s2mpu05_ldo3(26, CTRL),
+ regulator_desc_s2mpu05_ldo2(27, CTRL),
+ regulator_desc_s2mpu05_ldo3(28, CTRL),
+ regulator_desc_s2mpu05_ldo3(29, CTRL),
+ regulator_desc_s2mpu05_ldo2(30, CTRL),
+ regulator_desc_s2mpu05_ldo3(31, CTRL),
+ regulator_desc_s2mpu05_ldo3(32, CTRL),
+ regulator_desc_s2mpu05_ldo3(33, CTRL),
+ regulator_desc_s2mpu05_ldo3(34, CTRL),
+ regulator_desc_s2mpu05_ldo3(35, CTRL),
+ regulator_desc_s2mpu05_buck123(1),
+ regulator_desc_s2mpu05_buck123(2),
+ regulator_desc_s2mpu05_buck123(3),
+ regulator_desc_s2mpu05_buck45(4),
+ regulator_desc_s2mpu05_buck45(5),
+};
+
static int s2mps11_pmic_probe(struct platform_device *pdev)
{
struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);
- struct sec_platform_data *pdata = NULL;
- struct of_regulator_match *rdata = NULL;
struct regulator_config config = { };
struct s2mps11_info *s2mps11;
unsigned int rdev_num = 0;
@@ -1133,36 +1243,24 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
regulators = s2mpu02_regulators;
BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mpu02_regulators));
break;
+ case S2MPU05:
+ rdev_num = ARRAY_SIZE(s2mpu05_regulators);
+ regulators = s2mpu05_regulators;
+ BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mpu05_regulators));
+ break;
default:
dev_err(&pdev->dev, "Invalid device type: %u\n",
s2mps11->dev_type);
return -EINVAL;
}
- s2mps11->ext_control_gpio = devm_kmalloc(&pdev->dev,
- sizeof(*s2mps11->ext_control_gpio) * rdev_num,
- GFP_KERNEL);
- if (!s2mps11->ext_control_gpio)
+ s2mps11->ext_control_gpiod = devm_kcalloc(&pdev->dev, rdev_num,
+ sizeof(*s2mps11->ext_control_gpiod), GFP_KERNEL);
+ if (!s2mps11->ext_control_gpiod)
return -ENOMEM;
- /*
- * 0 is a valid GPIO so initialize all GPIO-s to negative value
- * to indicate that external control won't be used for this regulator.
- */
- for (i = 0; i < rdev_num; i++)
- s2mps11->ext_control_gpio[i] = -EINVAL;
-
- if (!iodev->dev->of_node) {
- if (iodev->pdata) {
- pdata = iodev->pdata;
- goto common_reg;
- } else {
- dev_err(pdev->dev.parent,
- "Platform data or DT node not supplied\n");
- return -ENODEV;
- }
- }
- rdata = kzalloc(sizeof(*rdata) * rdev_num, GFP_KERNEL);
+ struct of_regulator_match *rdata __free(kfree) =
+ kcalloc(rdev_num, sizeof(*rdata), GFP_KERNEL);
if (!rdata)
return -ENOMEM;
@@ -1171,53 +1269,46 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
ret = s2mps11_pmic_dt_parse(pdev, rdata, s2mps11, rdev_num);
if (ret)
- goto out;
+ return ret;
-common_reg:
platform_set_drvdata(pdev, s2mps11);
config.dev = &pdev->dev;
config.regmap = iodev->regmap_pmic;
config.driver_data = s2mps11;
- config.ena_gpio_flags = GPIOF_OUT_INIT_HIGH;
- config.ena_gpio_initialized = true;
for (i = 0; i < rdev_num; i++) {
struct regulator_dev *regulator;
- if (pdata) {
- config.init_data = pdata->regulators[i].initdata;
- config.of_node = pdata->regulators[i].reg_node;
- } else {
- config.init_data = rdata[i].init_data;
- config.of_node = rdata[i].of_node;
- }
- config.ena_gpio = s2mps11->ext_control_gpio[i];
-
+ config.init_data = rdata[i].init_data;
+ config.of_node = rdata[i].of_node;
+ config.ena_gpiod = s2mps11->ext_control_gpiod[i];
+ /*
+ * Hand the GPIO descriptor management over to the regulator
+ * core, remove it from devres management.
+ */
+ if (config.ena_gpiod)
+ devm_gpiod_unhinge(&pdev->dev, config.ena_gpiod);
regulator = devm_regulator_register(&pdev->dev,
&regulators[i], &config);
if (IS_ERR(regulator)) {
- ret = PTR_ERR(regulator);
dev_err(&pdev->dev, "regulator init failed for %d\n",
i);
- goto out;
+ return PTR_ERR(regulator);
}
- if (gpio_is_valid(s2mps11->ext_control_gpio[i])) {
+ if (config.ena_gpiod) {
ret = s2mps14_pmic_enable_ext_control(s2mps11,
regulator);
if (ret < 0) {
dev_err(&pdev->dev,
"failed to enable GPIO control over %s: %d\n",
regulator->desc->name, ret);
- goto out;
+ return ret;
}
}
}
-out:
- kfree(rdata);
-
- return ret;
+ return 0;
}
static const struct platform_device_id s2mps11_pmic_id[] = {
@@ -1226,6 +1317,7 @@ static const struct platform_device_id s2mps11_pmic_id[] = {
{ "s2mps14-regulator", S2MPS14X},
{ "s2mps15-regulator", S2MPS15X},
{ "s2mpu02-regulator", S2MPU02},
+ { "s2mpu05-regulator", S2MPU05},
{ },
};
MODULE_DEVICE_TABLE(platform, s2mps11_pmic_id);
@@ -1233,6 +1325,7 @@ MODULE_DEVICE_TABLE(platform, s2mps11_pmic_id);
static struct platform_driver s2mps11_pmic_driver = {
.driver = {
.name = "s2mps11-pmic",
+ .probe_type = PROBE_PREFER_ASYNCHRONOUS,
},
.probe = s2mps11_pmic_probe,
.id_table = s2mps11_pmic_id,
@@ -1242,5 +1335,5 @@ module_platform_driver(s2mps11_pmic_driver);
/* Module information */
MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>");
-MODULE_DESCRIPTION("SAMSUNG S2MPS11/S2MPS14/S2MPS15/S2MPU02 Regulator Driver");
+MODULE_DESCRIPTION("Samsung S2MPS11/14/15/S2MPU02/05 Regulator Driver");
MODULE_LICENSE("GPL");
generated by cgit (git 2.34.1) at 2025-12-25 23:51:32 +0000