pinctrl: renesas: Initial R8A779H0 (R-Car V4M) PFC support

Add initial pin control support for the R-Car V4M (R8A779H0) SoC,
including bias, drive strength and voltage control.
Signed-off-by: Cong Dang <cong.dang.xn@renesas.com>
[geert: Fixes and cleanups]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/5f59263e75be713dc954007cfeb2c99274c9d761.1706264667.git.geert+renesas@glider.be

drivers/pinctrl/renesas/Kconfig

@@ -38,6 +38,7 @@ config PINCTRL_RENESAS
 	select PINCTRL_PFC_R8A779A0 if ARCH_R8A779A0
 	select PINCTRL_PFC_R8A779F0 if ARCH_R8A779F0
 	select PINCTRL_PFC_R8A779G0 if ARCH_R8A779G0
+	select PINCTRL_PFC_R8A779H0 if ARCH_R8A779H0
 	select PINCTRL_RZG2L if ARCH_RZG2L
 	select PINCTRL_RZV2M if ARCH_R9A09G011
 	select PINCTRL_PFC_SH7203 if CPU_SUBTYPE_SH7203
@@ -154,6 +155,10 @@ config PINCTRL_PFC_R8A779G0
 	bool "pin control support for R-Car V4H" if COMPILE_TEST
 	select PINCTRL_SH_PFC
 
+config PINCTRL_PFC_R8A779H0
+	bool "pin control support for R-Car V4M" if COMPILE_TEST
+	select PINCTRL_SH_PFC
+
 config PINCTRL_PFC_R8A7740
 	bool "pin control support for R-Mobile A1" if COMPILE_TEST
 	select PINCTRL_SH_PFC_GPIO

drivers/pinctrl/renesas/Makefile

@@ -31,6 +31,7 @@ obj-$(CONFIG_PINCTRL_PFC_R8A77995)	+= pfc-r8a77995.o
 obj-$(CONFIG_PINCTRL_PFC_R8A779A0)	+= pfc-r8a779a0.o
 obj-$(CONFIG_PINCTRL_PFC_R8A779F0)	+= pfc-r8a779f0.o
 obj-$(CONFIG_PINCTRL_PFC_R8A779G0)	+= pfc-r8a779g0.o
+obj-$(CONFIG_PINCTRL_PFC_R8A779H0)	+= pfc-r8a779h0.o
 obj-$(CONFIG_PINCTRL_PFC_SH7203)	+= pfc-sh7203.o
 obj-$(CONFIG_PINCTRL_PFC_SH7264)	+= pfc-sh7264.o
 obj-$(CONFIG_PINCTRL_PFC_SH7269)	+= pfc-sh7269.o

drivers/pinctrl/renesas/core.c

@@ -638,6 +638,12 @@ static const struct of_device_id sh_pfc_of_table[] = {
 		.data = &r8a779g0_pinmux_info,
 	},
 #endif
+#ifdef CONFIG_PINCTRL_PFC_R8A779H0
+	{
+		.compatible = "renesas,pfc-r8a779h0",
+		.data = &r8a779h0_pinmux_info,
+	},
+#endif
 #ifdef CONFIG_PINCTRL_PFC_SH73A0
 	{
 		.compatible = "renesas,pfc-sh73a0",

drivers/pinctrl/renesas/sh_pfc.h

@@ -322,6 +322,7 @@ extern const struct sh_pfc_soc_info r8a77995_pinmux_info;
 extern const struct sh_pfc_soc_info r8a779a0_pinmux_info;
 extern const struct sh_pfc_soc_info r8a779f0_pinmux_info;
 extern const struct sh_pfc_soc_info r8a779g0_pinmux_info;
+extern const struct sh_pfc_soc_info r8a779h0_pinmux_info;
 extern const struct sh_pfc_soc_info sh7203_pinmux_info;
 extern const struct sh_pfc_soc_info sh7264_pinmux_info;
 extern const struct sh_pfc_soc_info sh7269_pinmux_info;