regulator: mt6359: Add support for MT6359 regulator

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.su@mediatek.com>
Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/regulator/Kconfig

@@ -779,6 +779,15 @@ 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

drivers/regulator/Makefile

@@ -94,6 +94,7 @@ 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

include/linux/regulator/mt6359-regulator.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2021 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 */