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Message-Id: <20250204-exynos7870-pmic-regulators-v1-4-05adad38102c@disroot.org>
Date: Tue, 04 Feb 2025 02:06:29 +0530
From: Kaustabh Chakraborty <kauschluss@...root.org>
To: Krzysztof Kozlowski <krzk@...nel.org>,
Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
Rob Herring <robh@...nel.org>, Conor Dooley <conor@...nel.org>,
Lee Jones <lee@...nel.org>
Cc: Sergey Lisov <sleirsgoevy@...il.com>, linux-kernel@...r.kernel.org,
linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
Kaustabh Chakraborty <kauschluss@...root.org>
Subject: [PATCH 4/4] regulator: s2mps11: Add support for S2MPU05 regulators
From: Sergey Lisov <sleirsgoevy@...il.com>
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: Sergey Lisov <sleirsgoevy@...il.com>
Signed-off-by: Kaustabh Chakraborty <kauschluss@...root.org>
---
drivers/regulator/Kconfig | 4 +-
drivers/regulator/s2mps11.c | 92 ++++++++++++++++++++++++++++++++++++++++++++-
2 files changed, 93 insertions(+), 3 deletions(-)
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 39297f7d8177193e51c99bc2b360c6d9936e62fe..e47ef257696e2ff3745affa1a403a29f086a2833 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -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.
diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c
index 7dcf92af8f15e63fb634d978fba41df0ca09fd65..4146c15317f0a87b16026a942a72a7e1b9fbca4c 100644
--- a/drivers/regulator/s2mps11.c
+++ b/drivers/regulator/s2mps11.c
@@ -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, min, step) \
+ regulator_desc_s2mpu05_ldo_reg(num, min, step, S2MPU05_REG_L##num##CTRL)
+
+#define regulator_desc_s2mpu05_ldo1(num) \
+ regulator_desc_s2mpu05_ldo(num, S2MPU05_LDO_MIN1, S2MPU05_LDO_STEP1)
+
+#define regulator_desc_s2mpu05_ldo2(num) \
+ regulator_desc_s2mpu05_ldo(num, S2MPU05_LDO_MIN1, S2MPU05_LDO_STEP2)
+
+#define regulator_desc_s2mpu05_ldo3(num) \
+ regulator_desc_s2mpu05_ldo(num, S2MPU05_LDO_MIN2, S2MPU05_LDO_STEP2)
+
+#define regulator_desc_s2mpu05_ldo4(num) \
+ regulator_desc_s2mpu05_ldo(num, 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),
+ regulator_desc_s2mpu05_ldo3(2),
+ regulator_desc_s2mpu05_ldo2(3),
+ regulator_desc_s2mpu05_ldo1(4),
+ regulator_desc_s2mpu05_ldo1(5),
+ regulator_desc_s2mpu05_ldo1(6),
+ regulator_desc_s2mpu05_ldo2(7),
+ regulator_desc_s2mpu05_ldo3(8),
+ regulator_desc_s2mpu05_ldo_reg(9, S2MPU05_LDO_MIN3, S2MPU05_LDO_STEP2,
+ S2MPU05_REG_L9CTRL1),
+ regulator_desc_s2mpu05_ldo4(10),
+ regulator_desc_s2mpu05_ldo2(25),
+ regulator_desc_s2mpu05_ldo3(26),
+ regulator_desc_s2mpu05_ldo2(27),
+ regulator_desc_s2mpu05_ldo3(28),
+ regulator_desc_s2mpu05_ldo3(29),
+ regulator_desc_s2mpu05_ldo2(30),
+ regulator_desc_s2mpu05_ldo3(31),
+ regulator_desc_s2mpu05_ldo3(32),
+ regulator_desc_s2mpu05_ldo3(33),
+ regulator_desc_s2mpu05_ldo3(34),
+ regulator_desc_s2mpu05_ldo3(35),
+ 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@...sung.com>");
-MODULE_DESCRIPTION("Samsung S2MPS11/S2MPS14/S2MPS15/S2MPU02 Regulator Driver");
+MODULE_DESCRIPTION("Samsung S2MPS11/14/15/S2MPU02/05 Regulator Driver");
MODULE_LICENSE("GPL");
--
2.48.1
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