From: Wen Su <wen...@mediatek.com>

The MT6359 is a regulator found on boards based on MediaTek MT6779 and
probably other SoCs. It is a so called pmic and connects as a slave to
SoC using SPI, wrapped inside the pmic-wrapper.

Signed-off-by: Wen Su <wen...@mediatek.com>
Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.w...@mediatek.com>
---
changes since v4:
- add enable time of ldo.
- use the device of mfd driver for the regulator_config.
- add the regulators_node support.
---
 drivers/regulator/Kconfig                  |   9 +
 drivers/regulator/Makefile                 |   1 +
 drivers/regulator/mt6359-regulator.c       | 669 +++++++++++++++++++++
 include/linux/regulator/mt6359-regulator.h |  58 ++
 4 files changed, 737 insertions(+)
 create mode 100644 drivers/regulator/mt6359-regulator.c
 create mode 100644 include/linux/regulator/mt6359-regulator.h

diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 53fa84f4d1e1..3de7bb5be8ac 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -750,6 +750,15 @@ config REGULATOR_MT6358
          This driver supports the control of different power rails of device
          through regulator interface.
 
+config REGULATOR_MT6359
+       tristate "MediaTek MT6359 PMIC"
+       depends on MFD_MT6397
+       help
+         Say y here to select this option to enable the power regulator of
+         MediaTek MT6359 PMIC.
+         This driver supports the control of different power rails of device
+         through regulator interface.
+
 config REGULATOR_MT6360
        tristate "MT6360 SubPMIC Regulator"
        depends on MFD_MT6360
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 680e539f6579..4f65eaead82d 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -91,6 +91,7 @@ obj-$(CONFIG_REGULATOR_MPQ7920) += mpq7920.o
 obj-$(CONFIG_REGULATOR_MT6311) += mt6311-regulator.o
 obj-$(CONFIG_REGULATOR_MT6323) += mt6323-regulator.o
 obj-$(CONFIG_REGULATOR_MT6358) += mt6358-regulator.o
+obj-$(CONFIG_REGULATOR_MT6359) += mt6359-regulator.o
 obj-$(CONFIG_REGULATOR_MT6360) += mt6360-regulator.o
 obj-$(CONFIG_REGULATOR_MT6380) += mt6380-regulator.o
 obj-$(CONFIG_REGULATOR_MT6397) += mt6397-regulator.o
diff --git a/drivers/regulator/mt6359-regulator.c 
b/drivers/regulator/mt6359-regulator.c
new file mode 100644
index 000000000000..fabc3f57f334
--- /dev/null
+++ b/drivers/regulator/mt6359-regulator.c
@@ -0,0 +1,669 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright (c) 2020 MediaTek Inc.
+
+#include <linux/platform_device.h>
+#include <linux/mfd/mt6359/registers.h>
+#include <linux/mfd/mt6397/core.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/regmap.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/mt6359-regulator.h>
+#include <linux/regulator/of_regulator.h>
+
+#define MT6359_BUCK_MODE_AUTO          0
+#define MT6359_BUCK_MODE_FORCE_PWM     1
+#define MT6359_BUCK_MODE_NORMAL                0
+#define MT6359_BUCK_MODE_LP            2
+
+/*
+ * MT6359 regulators' information
+ *
+ * @desc: standard fields of regulator description.
+ * @status_reg: for query status of regulators.
+ * @qi: Mask for query enable signal status of regulators.
+ * @modeset_reg: for operating AUTO/PWM mode register.
+ * @modeset_mask: MASK for operating modeset register.
+ * @modeset_shift: SHIFT for operating modeset register.
+ */
+struct mt6359_regulator_info {
+       struct regulator_desc desc;
+       u32 status_reg;
+       u32 qi;
+       u32 modeset_reg;
+       u32 modeset_mask;
+       u32 modeset_shift;
+       u32 lp_mode_reg;
+       u32 lp_mode_mask;
+       u32 lp_mode_shift;
+};
+
+#define MT6359_BUCK(match, _name, min, max, step, min_sel,     \
+       volt_ranges, _enable_reg, _status_reg,                  \
+       _vsel_reg, _vsel_mask,                                  \
+       _lp_mode_reg, _lp_mode_shift,                           \
+       _modeset_reg, _modeset_shift)                           \
+[MT6359_ID_##_name] = {                                                \
+       .desc = {                                               \
+               .name = #_name,                                 \
+               .of_match = of_match_ptr(match),                \
+               .regulators_node = of_match_ptr("regulators"),  \
+               .ops = &mt6359_volt_range_ops,                  \
+               .type = REGULATOR_VOLTAGE,                      \
+               .id = MT6359_ID_##_name,                        \
+               .owner = THIS_MODULE,                           \
+               .uV_step = (step),                              \
+               .linear_min_sel = (min_sel),                    \
+               .n_voltages = ((max) - (min)) / (step) + 1,     \
+               .min_uV = (min),                                \
+               .linear_ranges = volt_ranges,                   \
+               .n_linear_ranges = ARRAY_SIZE(volt_ranges),     \
+               .vsel_reg = _vsel_reg,                          \
+               .vsel_mask = _vsel_mask,                        \
+               .enable_reg = _enable_reg,                      \
+               .enable_mask = BIT(0),                          \
+               .of_map_mode = mt6359_map_mode,                 \
+       },                                                      \
+       .status_reg = _status_reg,                              \
+       .qi = BIT(0),                                           \
+       .lp_mode_reg = _lp_mode_reg,                            \
+       .lp_mode_mask = BIT(_lp_mode_shift),                    \
+       .lp_mode_shift = _lp_mode_shift,                        \
+       .modeset_reg = _modeset_reg,                            \
+       .modeset_mask = BIT(_modeset_shift),                    \
+       .modeset_shift = _modeset_shift                         \
+}
+
+#define MT6359_LDO_LINEAR(match, _name, min, max, step, min_sel,\
+       volt_ranges, _enable_reg, _status_reg,                  \
+       _vsel_reg, _vsel_mask)                                  \
+[MT6359_ID_##_name] = {                                                \
+       .desc = {                                               \
+               .name = #_name,                                 \
+               .of_match = of_match_ptr(match),                \
+               .regulators_node = of_match_ptr("regulators"),  \
+               .ops = &mt6359_volt_range_ops,                  \
+               .type = REGULATOR_VOLTAGE,                      \
+               .id = MT6359_ID_##_name,                        \
+               .owner = THIS_MODULE,                           \
+               .uV_step = (step),                              \
+               .linear_min_sel = (min_sel),                    \
+               .n_voltages = ((max) - (min)) / (step) + 1,     \
+               .min_uV = (min),                                \
+               .linear_ranges = volt_ranges,                   \
+               .n_linear_ranges = ARRAY_SIZE(volt_ranges),     \
+               .vsel_reg = _vsel_reg,                          \
+               .vsel_mask = _vsel_mask,                        \
+               .enable_reg = _enable_reg,                      \
+               .enable_mask = BIT(0),                          \
+       },                                                      \
+       .status_reg = _status_reg,                              \
+       .qi = BIT(0),                                           \
+}
+
+#define MT6359_LDO(match, _name, _volt_table,                  \
+       _enable_reg, _enable_mask, _status_reg,                 \
+       _vsel_reg, _vsel_mask, _en_delay)                       \
+[MT6359_ID_##_name] = {                                                \
+       .desc = {                                               \
+               .name = #_name,                                 \
+               .of_match = of_match_ptr(match),                \
+               .regulators_node = of_match_ptr("regulators"),  \
+               .ops = &mt6359_volt_table_ops,                  \
+               .type = REGULATOR_VOLTAGE,                      \
+               .id = MT6359_ID_##_name,                        \
+               .owner = THIS_MODULE,                           \
+               .n_voltages = ARRAY_SIZE(_volt_table),          \
+               .volt_table = _volt_table,                      \
+               .vsel_reg = _vsel_reg,                          \
+               .vsel_mask = _vsel_mask,                        \
+               .enable_reg = _enable_reg,                      \
+               .enable_mask = BIT(_enable_mask),               \
+               .enable_time = _en_delay,                       \
+       },                                                      \
+       .status_reg = _status_reg,                              \
+       .qi = BIT(0),                                           \
+}
+
+#define MT6359_REG_FIXED(match, _name, _enable_reg,    \
+       _status_reg, _fixed_volt)                       \
+[MT6359_ID_##_name] = {                                        \
+       .desc = {                                       \
+               .name = #_name,                         \
+               .of_match = of_match_ptr(match),        \
+               .regulators_node = of_match_ptr("regulators"),  \
+               .ops = &mt6359_volt_fixed_ops,          \
+               .type = REGULATOR_VOLTAGE,              \
+               .id = MT6359_ID_##_name,                \
+               .owner = THIS_MODULE,                   \
+               .n_voltages = 1,                        \
+               .enable_reg = _enable_reg,              \
+               .enable_mask = BIT(0),                  \
+               .fixed_uV = (_fixed_volt),              \
+       },                                              \
+       .status_reg = _status_reg,                      \
+       .qi = BIT(0),                                   \
+}
+
+static const struct linear_range mt_volt_range1[] = {
+       REGULATOR_LINEAR_RANGE(800000, 0, 0x70, 12500),
+};
+
+static const struct linear_range mt_volt_range2[] = {
+       REGULATOR_LINEAR_RANGE(400000, 0, 0x7f, 6250),
+};
+
+static const struct linear_range mt_volt_range3[] = {
+       REGULATOR_LINEAR_RANGE(400000, 0, 0x70, 6250),
+};
+
+static const struct linear_range mt_volt_range4[] = {
+       REGULATOR_LINEAR_RANGE(800000, 0, 0x40, 12500),
+};
+
+static const struct linear_range mt_volt_range5[] = {
+       REGULATOR_LINEAR_RANGE(500000, 0, 0x3F, 50000),
+};
+
+static const struct linear_range mt_volt_range6[] = {
+       REGULATOR_LINEAR_RANGE(500000, 0, 0x7f, 6250),
+};
+
+static const struct linear_range mt_volt_range7[] = {
+       REGULATOR_LINEAR_RANGE(500000, 0, 0x7f, 6250),
+};
+
+static const u32 vsim1_voltages[] = {
+       0, 0, 0, 1700000, 1800000, 0, 0, 0, 2700000, 0, 0, 3000000, 3100000,
+};
+
+static const u32 vibr_voltages[] = {
+       1200000, 1300000, 1500000, 0, 1800000, 2000000, 0, 0, 2700000, 2800000,
+       0, 3000000, 0, 3300000,
+};
+
+static const u32 vrf12_voltages[] = {
+       0, 0, 1100000, 1200000, 1300000,
+};
+
+static const u32 volt18_voltages[] = {
+       0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1700000, 1800000, 1900000,
+};
+
+static const u32 vcn13_voltages[] = {
+       900000, 1000000, 0, 1200000, 1300000,
+};
+
+static const u32 vcn33_voltages[] = {
+       0, 0, 0, 0, 0, 0, 0, 0, 0, 2800000, 0, 0, 0, 3300000, 3400000, 3500000,
+};
+
+static const u32 vefuse_voltages[] = {
+       0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1700000, 1800000, 1900000, 2000000,
+};
+
+static const u32 vxo22_voltages[] = {
+       1800000, 0, 0, 0, 2200000,
+};
+
+static const u32 vrfck_voltages[] = {
+       0, 0, 1500000, 0, 0, 0, 0, 1600000, 0, 0, 0, 0, 1700000,
+};
+
+static const u32 vio28_voltages[] = {
+       0, 0, 0, 0, 0, 0, 0, 0, 0, 2800000, 2900000, 3000000, 3100000, 3300000,
+};
+
+static const u32 vemc_voltages[] = {
+       0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2900000, 3000000, 0, 3300000,
+};
+
+static const u32 va12_voltages[] = {
+       0, 0, 0, 0, 0, 0, 1200000, 1300000,
+};
+
+static const u32 va09_voltages[] = {
+       0, 0, 800000, 900000, 0, 0, 1200000,
+};
+
+static const u32 vrf18_voltages[] = {
+       0, 0, 0, 0, 0, 1700000, 1800000, 1810000,
+};
+
+static const u32 vbbck_voltages[] = {
+       0, 0, 0, 0, 1100000, 0, 0, 0, 1150000, 0, 0, 0, 1200000,
+};
+
+static const u32 vsim2_voltages[] = {
+       0, 0, 0, 1700000, 1800000, 0, 0, 0, 2700000, 0, 0, 3000000, 3100000,
+};
+
+static inline unsigned int mt6359_map_mode(unsigned int mode)
+{
+       switch (mode) {
+       case MT6359_BUCK_MODE_NORMAL:
+               return REGULATOR_MODE_NORMAL;
+       case MT6359_BUCK_MODE_FORCE_PWM:
+               return REGULATOR_MODE_FAST;
+       case MT6359_BUCK_MODE_LP:
+               return REGULATOR_MODE_IDLE;
+       default:
+               return REGULATOR_MODE_INVALID;
+       }
+}
+
+static int mt6359_get_status(struct regulator_dev *rdev)
+{
+       int ret;
+       u32 regval;
+       struct mt6359_regulator_info *info = rdev_get_drvdata(rdev);
+
+       ret = regmap_read(rdev->regmap, info->status_reg, &regval);
+       if (ret != 0) {
+               dev_err(&rdev->dev, "Failed to get enable reg: %d\n", ret);
+               return ret;
+       }
+
+       if (regval & info->qi)
+               return REGULATOR_STATUS_ON;
+       else
+               return REGULATOR_STATUS_OFF;
+}
+
+static unsigned int mt6359_regulator_get_mode(struct regulator_dev *rdev)
+{
+       struct mt6359_regulator_info *info = rdev_get_drvdata(rdev);
+       int ret, regval;
+
+       ret = regmap_read(rdev->regmap, info->modeset_reg, &regval);
+       if (ret != 0) {
+               dev_err(&rdev->dev,
+                       "Failed to get mt6359 buck mode: %d\n", ret);
+               return ret;
+       }
+
+       if ((regval & info->modeset_mask) >> info->modeset_shift ==
+               MT6359_BUCK_MODE_FORCE_PWM)
+               return REGULATOR_MODE_FAST;
+
+       ret = regmap_read(rdev->regmap, info->lp_mode_reg, &regval);
+       if (ret != 0) {
+               dev_err(&rdev->dev,
+                       "Failed to get mt6359 buck lp mode: %d\n", ret);
+               return ret;
+       }
+
+       if (regval & info->lp_mode_mask)
+               return REGULATOR_MODE_IDLE;
+       else
+               return REGULATOR_MODE_NORMAL;
+}
+
+static int mt6359_regulator_set_mode(struct regulator_dev *rdev,
+                                    unsigned int mode)
+{
+       struct mt6359_regulator_info *info = rdev_get_drvdata(rdev);
+       int ret = 0, val;
+       int curr_mode;
+
+       curr_mode = mt6359_regulator_get_mode(rdev);
+       switch (mode) {
+       case REGULATOR_MODE_FAST:
+               val = MT6359_BUCK_MODE_FORCE_PWM;
+               val <<= info->modeset_shift;
+               ret = regmap_update_bits(rdev->regmap,
+                                        info->modeset_reg,
+                                        info->modeset_mask,
+                                        val);
+               break;
+       case REGULATOR_MODE_NORMAL:
+               if (curr_mode == REGULATOR_MODE_FAST) {
+                       val = MT6359_BUCK_MODE_AUTO;
+                       val <<= info->modeset_shift;
+                       ret = regmap_update_bits(rdev->regmap,
+                                                info->modeset_reg,
+                                                info->modeset_mask,
+                                                val);
+               } else if (curr_mode == REGULATOR_MODE_IDLE) {
+                       val = MT6359_BUCK_MODE_NORMAL;
+                       val <<= info->lp_mode_shift;
+                       ret = regmap_update_bits(rdev->regmap,
+                                                info->lp_mode_reg,
+                                                info->lp_mode_mask,
+                                                val);
+                       udelay(100);
+               }
+               break;
+       case REGULATOR_MODE_IDLE:
+               val = MT6359_BUCK_MODE_LP >> 1;
+               val <<= info->lp_mode_shift;
+               ret = regmap_update_bits(rdev->regmap,
+                                        info->lp_mode_reg,
+                                        info->lp_mode_mask,
+                                        val);
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       if (ret != 0) {
+               dev_err(&rdev->dev,
+                       "Failed to set mt6359 buck mode: %d\n", ret);
+       }
+
+       return ret;
+}
+
+static const struct regulator_ops mt6359_volt_range_ops = {
+       .list_voltage = regulator_list_voltage_linear_range,
+       .map_voltage = regulator_map_voltage_linear_range,
+       .set_voltage_sel = regulator_set_voltage_sel_regmap,
+       .get_voltage_sel = regulator_get_voltage_sel_regmap,
+       .set_voltage_time_sel = regulator_set_voltage_time_sel,
+       .enable = regulator_enable_regmap,
+       .disable = regulator_disable_regmap,
+       .is_enabled = regulator_is_enabled_regmap,
+       .get_status = mt6359_get_status,
+       .set_mode = mt6359_regulator_set_mode,
+       .get_mode = mt6359_regulator_get_mode,
+};
+
+static const struct regulator_ops mt6359_volt_table_ops = {
+       .list_voltage = regulator_list_voltage_table,
+       .map_voltage = regulator_map_voltage_iterate,
+       .set_voltage_sel = regulator_set_voltage_sel_regmap,
+       .get_voltage_sel = regulator_get_voltage_sel_regmap,
+       .set_voltage_time_sel = regulator_set_voltage_time_sel,
+       .enable = regulator_enable_regmap,
+       .disable = regulator_disable_regmap,
+       .is_enabled = regulator_is_enabled_regmap,
+       .get_status = mt6359_get_status,
+};
+
+static const struct regulator_ops mt6359_volt_fixed_ops = {
+       .enable = regulator_enable_regmap,
+       .disable = regulator_disable_regmap,
+       .is_enabled = regulator_is_enabled_regmap,
+       .get_status = mt6359_get_status,
+};
+
+/* The array is indexed by id(MT6359_ID_XXX) */
+static struct mt6359_regulator_info mt6359_regulators[] = {
+       MT6359_BUCK("buck_vs1", VS1, 800000, 2200000, 12500, 0,
+                   mt_volt_range1, MT6359_RG_BUCK_VS1_EN_ADDR,
+                   MT6359_DA_VS1_EN_ADDR, MT6359_RG_BUCK_VS1_VOSEL_ADDR,
+                   MT6359_RG_BUCK_VS1_VOSEL_MASK <<
+                   MT6359_RG_BUCK_VS1_VOSEL_SHIFT,
+                   MT6359_RG_BUCK_VS1_LP_ADDR, MT6359_RG_BUCK_VS1_LP_SHIFT,
+                   MT6359_RG_VS1_FPWM_ADDR, MT6359_RG_VS1_FPWM_SHIFT),
+       MT6359_BUCK("buck_vgpu11", VGPU11, 400000, 1193750, 6250, 0,
+                   mt_volt_range2, MT6359_RG_BUCK_VGPU11_EN_ADDR,
+                   MT6359_DA_VGPU11_EN_ADDR, MT6359_RG_BUCK_VGPU11_VOSEL_ADDR,
+                   MT6359_RG_BUCK_VGPU11_VOSEL_MASK <<
+                   MT6359_RG_BUCK_VGPU11_VOSEL_SHIFT,
+                   MT6359_RG_BUCK_VGPU11_LP_ADDR,
+                   MT6359_RG_BUCK_VGPU11_LP_SHIFT,
+                   MT6359_RG_VGPU11_FCCM_ADDR, MT6359_RG_VGPU11_FCCM_SHIFT),
+       MT6359_BUCK("buck_vmodem", VMODEM, 400000, 1100000, 6250, 0,
+                   mt_volt_range3, MT6359_RG_BUCK_VMODEM_EN_ADDR,
+                   MT6359_DA_VMODEM_EN_ADDR, MT6359_RG_BUCK_VMODEM_VOSEL_ADDR,
+                   MT6359_RG_BUCK_VMODEM_VOSEL_MASK <<
+                   MT6359_RG_BUCK_VMODEM_VOSEL_SHIFT,
+                   MT6359_RG_BUCK_VMODEM_LP_ADDR,
+                   MT6359_RG_BUCK_VMODEM_LP_SHIFT,
+                   MT6359_RG_VMODEM_FCCM_ADDR, MT6359_RG_VMODEM_FCCM_SHIFT),
+       MT6359_BUCK("buck_vpu", VPU, 400000, 1193750, 6250, 0,
+                   mt_volt_range2, MT6359_RG_BUCK_VPU_EN_ADDR,
+                   MT6359_DA_VPU_EN_ADDR, MT6359_RG_BUCK_VPU_VOSEL_ADDR,
+                   MT6359_RG_BUCK_VPU_VOSEL_MASK <<
+                   MT6359_RG_BUCK_VPU_VOSEL_SHIFT,
+                   MT6359_RG_BUCK_VPU_LP_ADDR, MT6359_RG_BUCK_VPU_LP_SHIFT,
+                   MT6359_RG_VPU_FCCM_ADDR, MT6359_RG_VPU_FCCM_SHIFT),
+       MT6359_BUCK("buck_vcore", VCORE, 400000, 1193750, 6250, 0,
+                   mt_volt_range2, MT6359_RG_BUCK_VCORE_EN_ADDR,
+                   MT6359_DA_VCORE_EN_ADDR, MT6359_RG_BUCK_VCORE_VOSEL_ADDR,
+                   MT6359_RG_BUCK_VCORE_VOSEL_MASK <<
+                   MT6359_RG_BUCK_VCORE_VOSEL_SHIFT,
+                   MT6359_RG_BUCK_VCORE_LP_ADDR, MT6359_RG_BUCK_VCORE_LP_SHIFT,
+                   MT6359_RG_VCORE_FCCM_ADDR, MT6359_RG_VCORE_FCCM_SHIFT),
+       MT6359_BUCK("buck_vs2", VS2, 800000, 1600000, 12500, 0,
+                   mt_volt_range4, MT6359_RG_BUCK_VS2_EN_ADDR,
+                   MT6359_DA_VS2_EN_ADDR, MT6359_RG_BUCK_VS2_VOSEL_ADDR,
+                   MT6359_RG_BUCK_VS2_VOSEL_MASK <<
+                   MT6359_RG_BUCK_VS2_VOSEL_SHIFT,
+                   MT6359_RG_BUCK_VS2_LP_ADDR, MT6359_RG_BUCK_VS2_LP_SHIFT,
+                   MT6359_RG_VS2_FPWM_ADDR, MT6359_RG_VS2_FPWM_SHIFT),
+       MT6359_BUCK("buck_vpa", VPA, 500000, 3650000, 50000, 0,
+                   mt_volt_range5, MT6359_RG_BUCK_VPA_EN_ADDR,
+                   MT6359_DA_VPA_EN_ADDR, MT6359_RG_BUCK_VPA_VOSEL_ADDR,
+                   MT6359_RG_BUCK_VPA_VOSEL_MASK <<
+                   MT6359_RG_BUCK_VPA_VOSEL_SHIFT,
+                   MT6359_RG_BUCK_VPA_LP_ADDR, MT6359_RG_BUCK_VPA_LP_SHIFT,
+                   MT6359_RG_VPA_MODESET_ADDR, MT6359_RG_VPA_MODESET_SHIFT),
+       MT6359_BUCK("buck_vproc2", VPROC2, 400000, 1193750, 6250, 0,
+                   mt_volt_range2, MT6359_RG_BUCK_VPROC2_EN_ADDR,
+                   MT6359_DA_VPROC2_EN_ADDR, MT6359_RG_BUCK_VPROC2_VOSEL_ADDR,
+                   MT6359_RG_BUCK_VPROC2_VOSEL_MASK <<
+                   MT6359_RG_BUCK_VPROC2_VOSEL_SHIFT,
+                   MT6359_RG_BUCK_VPROC2_LP_ADDR,
+                   MT6359_RG_BUCK_VPROC2_LP_SHIFT,
+                   MT6359_RG_VPROC2_FCCM_ADDR, MT6359_RG_VPROC2_FCCM_SHIFT),
+       MT6359_BUCK("buck_vproc1", VPROC1, 400000, 1193750, 6250, 0,
+                   mt_volt_range2, MT6359_RG_BUCK_VPROC1_EN_ADDR,
+                   MT6359_DA_VPROC1_EN_ADDR, MT6359_RG_BUCK_VPROC1_VOSEL_ADDR,
+                   MT6359_RG_BUCK_VPROC1_VOSEL_MASK <<
+                   MT6359_RG_BUCK_VPROC1_VOSEL_SHIFT,
+                   MT6359_RG_BUCK_VPROC1_LP_ADDR,
+                   MT6359_RG_BUCK_VPROC1_LP_SHIFT,
+                   MT6359_RG_VPROC1_FCCM_ADDR, MT6359_RG_VPROC1_FCCM_SHIFT),
+       MT6359_BUCK("buck_vcore_sshub", VCORE_SSHUB, 400000, 1193750, 6250, 0,
+                   mt_volt_range2, MT6359_RG_BUCK_VCORE_SSHUB_EN_ADDR,
+                   MT6359_DA_VCORE_EN_ADDR,
+                   MT6359_RG_BUCK_VCORE_SSHUB_VOSEL_ADDR,
+                   MT6359_RG_BUCK_VCORE_SSHUB_VOSEL_MASK <<
+                   MT6359_RG_BUCK_VCORE_SSHUB_VOSEL_SHIFT,
+                   MT6359_RG_BUCK_VCORE_LP_ADDR, MT6359_RG_BUCK_VCORE_LP_SHIFT,
+                   MT6359_RG_VCORE_FCCM_ADDR, MT6359_RG_VCORE_FCCM_SHIFT),
+       MT6359_REG_FIXED("ldo_vaud18", VAUD18, MT6359_RG_LDO_VAUD18_EN_ADDR,
+                        MT6359_DA_VAUD18_B_EN_ADDR, 1800000),
+       MT6359_LDO("ldo_vsim1", VSIM1, vsim1_voltages,
+                  MT6359_RG_LDO_VSIM1_EN_ADDR, MT6359_RG_LDO_VSIM1_EN_SHIFT,
+                  MT6359_DA_VSIM1_B_EN_ADDR, MT6359_RG_VSIM1_VOSEL_ADDR,
+                  MT6359_RG_VSIM1_VOSEL_MASK << MT6359_RG_VSIM1_VOSEL_SHIFT,
+                  480),
+       MT6359_LDO("ldo_vibr", VIBR, vibr_voltages,
+                  MT6359_RG_LDO_VIBR_EN_ADDR, MT6359_RG_LDO_VIBR_EN_SHIFT,
+                  MT6359_DA_VIBR_B_EN_ADDR, MT6359_RG_VIBR_VOSEL_ADDR,
+                  MT6359_RG_VIBR_VOSEL_MASK << MT6359_RG_VIBR_VOSEL_SHIFT,
+                  240),
+       MT6359_LDO("ldo_vrf12", VRF12, vrf12_voltages,
+                  MT6359_RG_LDO_VRF12_EN_ADDR, MT6359_RG_LDO_VRF12_EN_SHIFT,
+                  MT6359_DA_VRF12_B_EN_ADDR, MT6359_RG_VRF12_VOSEL_ADDR,
+                  MT6359_RG_VRF12_VOSEL_MASK << MT6359_RG_VRF12_VOSEL_SHIFT,
+                  120),
+       MT6359_REG_FIXED("ldo_vusb", VUSB, MT6359_RG_LDO_VUSB_EN_0_ADDR,
+                        MT6359_DA_VUSB_B_EN_ADDR, 3000000),
+       MT6359_LDO_LINEAR("ldo_vsram_proc2", VSRAM_PROC2, 500000, 1293750, 6250,
+                         0, mt_volt_range6, MT6359_RG_LDO_VSRAM_PROC2_EN_ADDR,
+                         MT6359_DA_VSRAM_PROC2_B_EN_ADDR,
+                         MT6359_RG_LDO_VSRAM_PROC2_VOSEL_ADDR,
+                         MT6359_RG_LDO_VSRAM_PROC2_VOSEL_MASK <<
+                         MT6359_RG_LDO_VSRAM_PROC2_VOSEL_SHIFT),
+       MT6359_LDO("ldo_vio18", VIO18, volt18_voltages,
+                  MT6359_RG_LDO_VIO18_EN_ADDR, MT6359_RG_LDO_VIO18_EN_SHIFT,
+                  MT6359_DA_VIO18_B_EN_ADDR, MT6359_RG_VIO18_VOSEL_ADDR,
+                  MT6359_RG_VIO18_VOSEL_MASK << MT6359_RG_VIO18_VOSEL_SHIFT,
+                  960),
+       MT6359_LDO("ldo_vcamio", VCAMIO, volt18_voltages,
+                  MT6359_RG_LDO_VCAMIO_EN_ADDR, MT6359_RG_LDO_VCAMIO_EN_SHIFT,
+                  MT6359_DA_VCAMIO_B_EN_ADDR, MT6359_RG_VCAMIO_VOSEL_ADDR,
+                  MT6359_RG_VCAMIO_VOSEL_MASK << MT6359_RG_VCAMIO_VOSEL_SHIFT,
+                  1290),
+       MT6359_REG_FIXED("ldo_vcn18", VCN18, MT6359_RG_LDO_VCN18_EN_ADDR,
+                        MT6359_DA_VCN18_B_EN_ADDR, 1800000),
+       MT6359_REG_FIXED("ldo_vfe28", VFE28, MT6359_RG_LDO_VFE28_EN_ADDR,
+                        MT6359_DA_VFE28_B_EN_ADDR, 2800000),
+       MT6359_LDO("ldo_vcn13", VCN13, vcn13_voltages,
+                  MT6359_RG_LDO_VCN13_EN_ADDR, MT6359_RG_LDO_VCN13_EN_SHIFT,
+                  MT6359_DA_VCN13_B_EN_ADDR, MT6359_RG_VCN13_VOSEL_ADDR,
+                  MT6359_RG_VCN13_VOSEL_MASK << MT6359_RG_VCN13_VOSEL_SHIFT,
+                  240),
+       MT6359_LDO("ldo_vcn33_1_bt", VCN33_1_BT, vcn33_voltages,
+                  MT6359_RG_LDO_VCN33_1_EN_0_ADDR,
+                  MT6359_RG_LDO_VCN33_1_EN_0_SHIFT,
+                  MT6359_DA_VCN33_1_B_EN_ADDR, MT6359_RG_VCN33_1_VOSEL_ADDR,
+                  MT6359_RG_VCN33_1_VOSEL_MASK <<
+                  MT6359_RG_VCN33_1_VOSEL_SHIFT, 240),
+       MT6359_LDO("ldo_vcn33_1_wifi", VCN33_1_WIFI, vcn33_voltages,
+                  MT6359_RG_LDO_VCN33_1_EN_1_ADDR,
+                  MT6359_RG_LDO_VCN33_1_EN_1_SHIFT,
+                  MT6359_DA_VCN33_1_B_EN_ADDR, MT6359_RG_VCN33_1_VOSEL_ADDR,
+                  MT6359_RG_VCN33_1_VOSEL_MASK <<
+                  MT6359_RG_VCN33_1_VOSEL_SHIFT, 240),
+       MT6359_REG_FIXED("ldo_vaux18", VAUX18, MT6359_RG_LDO_VAUX18_EN_ADDR,
+                        MT6359_DA_VAUX18_B_EN_ADDR, 1800000),
+       MT6359_LDO_LINEAR("ldo_vsram_others", VSRAM_OTHERS, 500000, 1293750,
+                         6250, 0, mt_volt_range6,
+                         MT6359_RG_LDO_VSRAM_OTHERS_EN_ADDR,
+                         MT6359_DA_VSRAM_OTHERS_B_EN_ADDR,
+                         MT6359_RG_LDO_VSRAM_OTHERS_VOSEL_ADDR,
+                         MT6359_RG_LDO_VSRAM_OTHERS_VOSEL_MASK <<
+                         MT6359_RG_LDO_VSRAM_OTHERS_VOSEL_SHIFT),
+       MT6359_LDO("ldo_vefuse", VEFUSE, vefuse_voltages,
+                  MT6359_RG_LDO_VEFUSE_EN_ADDR, MT6359_RG_LDO_VEFUSE_EN_SHIFT,
+                  MT6359_DA_VEFUSE_B_EN_ADDR, MT6359_RG_VEFUSE_VOSEL_ADDR,
+                  MT6359_RG_VEFUSE_VOSEL_MASK << MT6359_RG_VEFUSE_VOSEL_SHIFT,
+                  240),
+       MT6359_LDO("ldo_vxo22", VXO22, vxo22_voltages,
+                  MT6359_RG_LDO_VXO22_EN_ADDR, MT6359_RG_LDO_VXO22_EN_SHIFT,
+                  MT6359_DA_VXO22_B_EN_ADDR, MT6359_RG_VXO22_VOSEL_ADDR,
+                  MT6359_RG_VXO22_VOSEL_MASK << MT6359_RG_VXO22_VOSEL_SHIFT,
+                  120),
+       MT6359_LDO("ldo_vrfck", VRFCK, vrfck_voltages,
+                  MT6359_RG_LDO_VRFCK_EN_ADDR, MT6359_RG_LDO_VRFCK_EN_SHIFT,
+                  MT6359_DA_VRFCK_B_EN_ADDR, MT6359_RG_VRFCK_VOSEL_ADDR,
+                  MT6359_RG_VRFCK_VOSEL_MASK << MT6359_RG_VRFCK_VOSEL_SHIFT,
+                  480),
+       MT6359_REG_FIXED("ldo_vbif28", VBIF28, MT6359_RG_LDO_VBIF28_EN_ADDR,
+                        MT6359_DA_VBIF28_B_EN_ADDR, 2800000),
+       MT6359_LDO("ldo_vio28", VIO28, vio28_voltages,
+                  MT6359_RG_LDO_VIO28_EN_ADDR, MT6359_RG_LDO_VIO28_EN_SHIFT,
+                  MT6359_DA_VIO28_B_EN_ADDR, MT6359_RG_VIO28_VOSEL_ADDR,
+                  MT6359_RG_VIO28_VOSEL_MASK << MT6359_RG_VIO28_VOSEL_SHIFT,
+                  240),
+       MT6359_LDO("ldo_vemc", VEMC, vemc_voltages,
+                  MT6359_RG_LDO_VEMC_EN_ADDR, MT6359_RG_LDO_VEMC_EN_SHIFT,
+                  MT6359_DA_VEMC_B_EN_ADDR, MT6359_RG_VEMC_VOSEL_ADDR,
+                  MT6359_RG_VEMC_VOSEL_MASK << MT6359_RG_VEMC_VOSEL_SHIFT,
+                  240),
+       MT6359_LDO("ldo_vcn33_2_bt", VCN33_2_BT, vcn33_voltages,
+                  MT6359_RG_LDO_VCN33_2_EN_0_ADDR,
+                  MT6359_RG_LDO_VCN33_2_EN_0_SHIFT,
+                  MT6359_DA_VCN33_2_B_EN_ADDR, MT6359_RG_VCN33_2_VOSEL_ADDR,
+                  MT6359_RG_VCN33_2_VOSEL_MASK <<
+                  MT6359_RG_VCN33_2_VOSEL_SHIFT, 240),
+       MT6359_LDO("ldo_vcn33_2_wifi", VCN33_2_WIFI, vcn33_voltages,
+                  MT6359_RG_LDO_VCN33_2_EN_1_ADDR,
+                  MT6359_RG_LDO_VCN33_2_EN_1_SHIFT,
+                  MT6359_DA_VCN33_2_B_EN_ADDR, MT6359_RG_VCN33_2_VOSEL_ADDR,
+                  MT6359_RG_VCN33_2_VOSEL_MASK <<
+                  MT6359_RG_VCN33_2_VOSEL_SHIFT, 240),
+       MT6359_LDO("ldo_va12", VA12, va12_voltages,
+                  MT6359_RG_LDO_VA12_EN_ADDR, MT6359_RG_LDO_VA12_EN_SHIFT,
+                  MT6359_DA_VA12_B_EN_ADDR, MT6359_RG_VA12_VOSEL_ADDR,
+                  MT6359_RG_VA12_VOSEL_MASK << MT6359_RG_VA12_VOSEL_SHIFT,
+                  240),
+       MT6359_LDO("ldo_va09", VA09, va09_voltages,
+                  MT6359_RG_LDO_VA09_EN_ADDR, MT6359_RG_LDO_VA09_EN_SHIFT,
+                  MT6359_DA_VA09_B_EN_ADDR, MT6359_RG_VA09_VOSEL_ADDR,
+                  MT6359_RG_VA09_VOSEL_MASK << MT6359_RG_VA09_VOSEL_SHIFT,
+                  240),
+       MT6359_LDO("ldo_vrf18", VRF18, vrf18_voltages,
+                  MT6359_RG_LDO_VRF18_EN_ADDR, MT6359_RG_LDO_VRF18_EN_SHIFT,
+                  MT6359_DA_VRF18_B_EN_ADDR, MT6359_RG_VRF18_VOSEL_ADDR,
+                  MT6359_RG_VRF18_VOSEL_MASK << MT6359_RG_VRF18_VOSEL_SHIFT,
+                  120),
+       MT6359_LDO_LINEAR("ldo_vsram_md", VSRAM_MD, 500000, 1100000, 6250,
+                         0, mt_volt_range7, MT6359_RG_LDO_VSRAM_MD_EN_ADDR,
+                         MT6359_DA_VSRAM_MD_B_EN_ADDR,
+                         MT6359_RG_LDO_VSRAM_MD_VOSEL_ADDR,
+                         MT6359_RG_LDO_VSRAM_MD_VOSEL_MASK <<
+                         MT6359_RG_LDO_VSRAM_MD_VOSEL_SHIFT),
+       MT6359_LDO("ldo_vufs", VUFS, volt18_voltages,
+                  MT6359_RG_LDO_VUFS_EN_ADDR, MT6359_RG_LDO_VUFS_EN_SHIFT,
+                  MT6359_DA_VUFS_B_EN_ADDR, MT6359_RG_VUFS_VOSEL_ADDR,
+                  MT6359_RG_VUFS_VOSEL_MASK << MT6359_RG_VUFS_VOSEL_SHIFT,
+                  1920),
+       MT6359_LDO("ldo_vm18", VM18, volt18_voltages,
+                  MT6359_RG_LDO_VM18_EN_ADDR, MT6359_RG_LDO_VM18_EN_SHIFT,
+                  MT6359_DA_VM18_B_EN_ADDR, MT6359_RG_VM18_VOSEL_ADDR,
+                  MT6359_RG_VM18_VOSEL_MASK << MT6359_RG_VM18_VOSEL_SHIFT,
+                  1920),
+       MT6359_LDO("ldo_vbbck", VBBCK, vbbck_voltages,
+                  MT6359_RG_LDO_VBBCK_EN_ADDR, MT6359_RG_LDO_VBBCK_EN_SHIFT,
+                  MT6359_DA_VBBCK_B_EN_ADDR, MT6359_RG_VBBCK_VOSEL_ADDR,
+                  MT6359_RG_VBBCK_VOSEL_MASK << MT6359_RG_VBBCK_VOSEL_SHIFT,
+                  240),
+       MT6359_LDO_LINEAR("ldo_vsram_proc1", VSRAM_PROC1, 500000, 1293750, 6250,
+                         0, mt_volt_range6, MT6359_RG_LDO_VSRAM_PROC1_EN_ADDR,
+                         MT6359_DA_VSRAM_PROC1_B_EN_ADDR,
+                         MT6359_RG_LDO_VSRAM_PROC1_VOSEL_ADDR,
+                         MT6359_RG_LDO_VSRAM_PROC1_VOSEL_MASK <<
+                         MT6359_RG_LDO_VSRAM_PROC1_VOSEL_SHIFT),
+       MT6359_LDO("ldo_vsim2", VSIM2, vsim2_voltages,
+                  MT6359_RG_LDO_VSIM2_EN_ADDR, MT6359_RG_LDO_VSIM2_EN_SHIFT,
+                  MT6359_DA_VSIM2_B_EN_ADDR, MT6359_RG_VSIM2_VOSEL_ADDR,
+                  MT6359_RG_VSIM2_VOSEL_MASK << MT6359_RG_VSIM2_VOSEL_SHIFT,
+                  480),
+       MT6359_LDO_LINEAR("ldo_vsram_others_sshub", VSRAM_OTHERS_SSHUB,
+                         500000, 1293750, 6250, 0, mt_volt_range6,
+                         MT6359_RG_LDO_VSRAM_OTHERS_SSHUB_EN_ADDR,
+                         MT6359_DA_VSRAM_OTHERS_B_EN_ADDR,
+                         MT6359_RG_LDO_VSRAM_OTHERS_SSHUB_VOSEL_ADDR,
+                         MT6359_RG_LDO_VSRAM_OTHERS_SSHUB_VOSEL_MASK <<
+                         MT6359_RG_LDO_VSRAM_OTHERS_SSHUB_VOSEL_SHIFT),
+};
+
+static int mt6359_regulator_probe(struct platform_device *pdev)
+{
+       struct mt6397_chip *mt6397 = dev_get_drvdata(pdev->dev.parent);
+       struct regulator_config config = {};
+       struct regulator_dev *rdev;
+       int i;
+
+       config.dev = mt6397->dev;
+       config.regmap = mt6397->regmap;
+       for (i = 0; i < MT6359_MAX_REGULATOR; i++) {
+               config.driver_data = &mt6359_regulators[i];
+               rdev = devm_regulator_register(&pdev->dev, 
&mt6359_regulators[i].desc, &config);
+               if (IS_ERR(rdev)) {
+                       dev_err(&pdev->dev, "failed to register %s\n",
+                               mt6359_regulators[i].desc.name);
+                       return PTR_ERR(rdev);
+               }
+       }
+
+       return 0;
+}
+
+static const struct platform_device_id mt6359_platform_ids[] = {
+       {"mt6359-regulator", 0},
+       { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(platform, mt6359_platform_ids);
+
+static struct platform_driver mt6359_regulator_driver = {
+       .driver = {
+               .name = "mt6359-regulator",
+       },
+       .probe = mt6359_regulator_probe,
+       .id_table = mt6359_platform_ids,
+};
+
+module_platform_driver(mt6359_regulator_driver);
+
+MODULE_AUTHOR("Wen Su <wen...@mediatek.com>");
+MODULE_DESCRIPTION("Regulator Driver for MediaTek MT6359 PMIC");
+MODULE_LICENSE("GPL");
diff --git a/include/linux/regulator/mt6359-regulator.h 
b/include/linux/regulator/mt6359-regulator.h
new file mode 100644
index 000000000000..0abe378e13d5
--- /dev/null
+++ b/include/linux/regulator/mt6359-regulator.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2020 MediaTek Inc.
+ */
+
+#ifndef __LINUX_REGULATOR_MT6359_H
+#define __LINUX_REGULATOR_MT6359_H
+
+enum {
+       MT6359_ID_VS1 = 0,
+       MT6359_ID_VGPU11,
+       MT6359_ID_VMODEM,
+       MT6359_ID_VPU,
+       MT6359_ID_VCORE,
+       MT6359_ID_VS2,
+       MT6359_ID_VPA,
+       MT6359_ID_VPROC2,
+       MT6359_ID_VPROC1,
+       MT6359_ID_VCORE_SSHUB,
+       MT6359_ID_VAUD18 = 10,
+       MT6359_ID_VSIM1,
+       MT6359_ID_VIBR,
+       MT6359_ID_VRF12,
+       MT6359_ID_VUSB,
+       MT6359_ID_VSRAM_PROC2,
+       MT6359_ID_VIO18,
+       MT6359_ID_VCAMIO,
+       MT6359_ID_VCN18,
+       MT6359_ID_VFE28,
+       MT6359_ID_VCN13,
+       MT6359_ID_VCN33_1_BT,
+       MT6359_ID_VCN33_1_WIFI,
+       MT6359_ID_VAUX18,
+       MT6359_ID_VSRAM_OTHERS,
+       MT6359_ID_VEFUSE,
+       MT6359_ID_VXO22,
+       MT6359_ID_VRFCK,
+       MT6359_ID_VBIF28,
+       MT6359_ID_VIO28,
+       MT6359_ID_VEMC,
+       MT6359_ID_VCN33_2_BT,
+       MT6359_ID_VCN33_2_WIFI,
+       MT6359_ID_VA12,
+       MT6359_ID_VA09,
+       MT6359_ID_VRF18,
+       MT6359_ID_VSRAM_MD,
+       MT6359_ID_VUFS,
+       MT6359_ID_VM18,
+       MT6359_ID_VBBCK,
+       MT6359_ID_VSRAM_PROC1,
+       MT6359_ID_VSIM2,
+       MT6359_ID_VSRAM_OTHERS_SSHUB,
+       MT6359_ID_RG_MAX,
+};
+
+#define MT6359_MAX_REGULATOR   MT6359_ID_RG_MAX
+
+#endif /* __LINUX_REGULATOR_MT6359_H */
-- 
2.18.0

Reply via email to