From: Wen Su
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
Signed-off-by: Hsin-Hsiung Wang
---
changes since v5:
- update the file date.
---
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 77c43134bc9e..1d671dbf4fd2 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -759,6 +759,15 @@ 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 44d2f8bf4b74..c3ca97377044 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -92,6 +92,7 @@ obj-$(CONFIG_REGULATOR_MT6311) += mt6311-regulator.o
obj-$(CONFIG_REGULATOR_MT6315) += mt6315-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 ..994d3f67f73d
--- /dev/null
+++ b/drivers/regulator/mt6359-regulator.c
@@ -0,0 +1,669 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright (c) 2021 MediaTek Inc.
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+#define MT6359_BUCK_MODE_AUTO 0
+#define MT6359_BUCK_MODE_FORCE_PWM 1
+#define MT6359_BUCK_MODE_NORMAL0
+#define MT6359_BUCK_MODE_LP2
+
+/*
+ * 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, \
+ },
