dummy/linux-stable-mirror
1
0
Fork 1
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ synced 2025-04-19 20:58:31 +09:00
Code Issues Packages Projects Releases Wiki Activity

regulator: s2mps11: Add support for S2MPU05 regulators

Browse Source 
S2MPU05 is a PMIC by manufactured by Samsung, particularly used in
Exynos7870 based devices. Add driver support for controlling its 21 LDO
and 5 BUCK regulators.

Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
Acked-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250301-exynos7870-pmic-regulators-v3-3-808d0b47a564@disroot.org
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Kaustabh Chakraborty 2025-03-01 01:07:14 +05:30 committed by Lee Jones
parent ed33479b7b
commit 169cd52fd9
2 changed files with 93 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/regulator/Kconfig
View File

@ -1330,10 +1330,10 @@ config REGULATOR_S2MPA01
via I2C bus. S2MPA01 has 10 Bucks and 26 LDO outputs.
config REGULATOR_S2MPS11
tristate "Samsung S2MPS11/13/14/15/S2MPU02 voltage regulator"
tristate "Samsung S2MPS11/13/14/15/S2MPU02/05 voltage regulator"
depends on MFD_SEC_CORE || COMPILE_TEST
help
This driver supports a Samsung S2MPS11/13/14/15/S2MPU02 voltage
This driver supports a Samsung S2MPS11/13/14/15/S2MPU02/05 voltage
output regulator via I2C bus. The chip is comprised of high efficient
Buck converters including Dual-Phase Buck converter, Buck-Boost
converter, various LDOs.

92
drivers/regulator/s2mps11.c
View File

@ -21,6 +21,7 @@
#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
@ -254,6 +255,9 @@ static int s2mps11_regulator_enable(struct regulator_dev *rdev)
else
val = rdev->desc->enable_mask;
break;
case S2MPU05:
val = rdev->desc->enable_mask;
break;
default:
return -EINVAL;
}
@ -1118,6 +1122,86 @@ 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);
@ -1159,6 +1243,11 @@ 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);
@ -1228,6 +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);
@ -1245,5 +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");