pinctrl: sh-pfc: r8a7790: Add r8a7742 PFC support

Renesas RZ/G1H (R8A7742) is pin compatible with R-Car H2 (R8A7790),
however it doesn't have several automotive specific peripherals. Add
automotive-specific pin groups/functions along with common pin
groups/functions for supporting both r8a7790 and r8a7742 SoC.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Link: https://lore.kernel.org/r/1588542414-14826-3-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

drivers/pinctrl/sh-pfc/Kconfig

@@ -12,6 +12,7 @@ config PINCTRL_SH_PFC
 	select PINCTRL_PFC_EMEV2 if ARCH_EMEV2
 	select PINCTRL_PFC_R8A73A4 if ARCH_R8A73A4
 	select PINCTRL_PFC_R8A7740 if ARCH_R8A7740
+	select PINCTRL_PFC_R8A7742 if ARCH_R8A7742
 	select PINCTRL_PFC_R8A7743 if ARCH_R8A7743
 	select PINCTRL_PFC_R8A7744 if ARCH_R8A7744
 	select PINCTRL_PFC_R8A7745 if ARCH_R8A7745
@@ -74,6 +75,9 @@ config PINCTRL_PFC_R8A7740
 	bool "R-Mobile A1 pin control support" if COMPILE_TEST
 	select PINCTRL_SH_PFC_GPIO
 
+config PINCTRL_PFC_R8A7742
+	bool "RZ/G1H pin control support" if COMPILE_TEST
+
 config PINCTRL_PFC_R8A7743
 	bool "RZ/G1M pin control support" if COMPILE_TEST
 

drivers/pinctrl/sh-pfc/Makefile

@@ -4,6 +4,7 @@ obj-$(CONFIG_PINCTRL_SH_PFC_GPIO)	+= gpio.o
 obj-$(CONFIG_PINCTRL_PFC_EMEV2)	+= pfc-emev2.o
 obj-$(CONFIG_PINCTRL_PFC_R8A73A4)	+= pfc-r8a73a4.o
 obj-$(CONFIG_PINCTRL_PFC_R8A7740)	+= pfc-r8a7740.o
+obj-$(CONFIG_PINCTRL_PFC_R8A7742)	+= pfc-r8a7790.o
 obj-$(CONFIG_PINCTRL_PFC_R8A7743)	+= pfc-r8a7791.o
 obj-$(CONFIG_PINCTRL_PFC_R8A7744)	+= pfc-r8a7791.o
 obj-$(CONFIG_PINCTRL_PFC_R8A7745)	+= pfc-r8a7794.o

drivers/pinctrl/sh-pfc/core.c

@@ -485,6 +485,12 @@ static const struct of_device_id sh_pfc_of_table[] = {
 		.data = &r8a7740_pinmux_info,
 	},
 #endif
+#ifdef CONFIG_PINCTRL_PFC_R8A7742
+	{
+		.compatible = "renesas,pfc-r8a7742",
+		.data = &r8a7742_pinmux_info,
+	},
+#endif
 #ifdef CONFIG_PINCTRL_PFC_R8A7743
 	{
 		.compatible = "renesas,pfc-r8a7743",

drivers/pinctrl/sh-pfc/pfc-r8a7790.c

@@ -3938,7 +3938,11 @@ static const unsigned int vin3_clk_mux[] = {
 	VI3_CLK_MARK,
 };
 
-static const struct sh_pfc_pin_group pinmux_groups[] = {
+static const struct {
+	struct sh_pfc_pin_group common[289];
+	struct sh_pfc_pin_group automotive[1];
+} pinmux_groups = {
+	.common = {
 		SH_PFC_PIN_GROUP(audio_clk_a),
 		SH_PFC_PIN_GROUP(audio_clk_b),
 		SH_PFC_PIN_GROUP(audio_clk_c),
@@ -4009,7 +4013,6 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
 		SH_PFC_PIN_GROUP(intc_irq1),
 		SH_PFC_PIN_GROUP(intc_irq2),
 		SH_PFC_PIN_GROUP(intc_irq3),
-	SH_PFC_PIN_GROUP(mlb_3pin),
 		SH_PFC_PIN_GROUP(mmc0_data1),
 		SH_PFC_PIN_GROUP(mmc0_data4),
 		SH_PFC_PIN_GROUP(mmc0_data8),
@@ -4229,6 +4232,10 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
 		SH_PFC_PIN_GROUP(vin3_field),
 		SH_PFC_PIN_GROUP(vin3_clkenb),
 		SH_PFC_PIN_GROUP(vin3_clk),
+	},
+	.automotive = {
+		SH_PFC_PIN_GROUP(mlb_3pin),
+	}
 };
 
 static const char * const audio_clk_groups[] = {
@@ -4689,7 +4696,11 @@ static const char * const vin3_groups[] = {
 	"vin3_clk",
 };
 
-static const struct sh_pfc_function pinmux_functions[] = {
+static const struct {
+	struct sh_pfc_function common[55];
+	struct sh_pfc_function automotive[1];
+} pinmux_functions = {
+	.common = {
 		SH_PFC_FUNCTION(audio_clk),
 		SH_PFC_FUNCTION(avb),
 		SH_PFC_FUNCTION(du),
@@ -4708,7 +4719,6 @@ static const struct sh_pfc_function pinmux_functions[] = {
 		SH_PFC_FUNCTION(iic2),
 		SH_PFC_FUNCTION(iic3),
 		SH_PFC_FUNCTION(intc),
-	SH_PFC_FUNCTION(mlb),
 		SH_PFC_FUNCTION(mmc0),
 		SH_PFC_FUNCTION(mmc1),
 		SH_PFC_FUNCTION(msiof0),
@@ -4746,6 +4756,10 @@ static const struct sh_pfc_function pinmux_functions[] = {
 		SH_PFC_FUNCTION(vin1),
 		SH_PFC_FUNCTION(vin2),
 		SH_PFC_FUNCTION(vin3),
+	},
+	.automotive = {
+		SH_PFC_FUNCTION(mlb),
+	}
 };
 
 static const struct pinmux_cfg_reg pinmux_config_regs[] = {
@@ -5736,6 +5750,29 @@ static const struct sh_pfc_soc_operations r8a7790_pinmux_ops = {
 	.pin_to_pocctrl = r8a7790_pin_to_pocctrl,
 };
 
+#ifdef CONFIG_PINCTRL_PFC_R8A7742
+const struct sh_pfc_soc_info r8a7742_pinmux_info = {
+	.name = "r8a77420_pfc",
+	.ops = &r8a7790_pinmux_ops,
+	.unlock_reg = 0xe6060000, /* PMMR */
+
+	.function = { PINMUX_FUNCTION_BEGIN, PINMUX_FUNCTION_END },
+
+	.pins = pinmux_pins,
+	.nr_pins = ARRAY_SIZE(pinmux_pins),
+	.groups = pinmux_groups.common,
+	.nr_groups = ARRAY_SIZE(pinmux_groups.common),
+	.functions = pinmux_functions.common,
+	.nr_functions = ARRAY_SIZE(pinmux_functions.common),
+
+	.cfg_regs = pinmux_config_regs,
+
+	.pinmux_data = pinmux_data,
+	.pinmux_data_size = ARRAY_SIZE(pinmux_data),
+};
+#endif
+
+#ifdef CONFIG_PINCTRL_PFC_R8A7790
 const struct sh_pfc_soc_info r8a7790_pinmux_info = {
 	.name = "r8a77900_pfc",
 	.ops = &r8a7790_pinmux_ops,
@@ -5745,13 +5782,16 @@ const struct sh_pfc_soc_info r8a7790_pinmux_info = {
 
 	.pins = pinmux_pins,
 	.nr_pins = ARRAY_SIZE(pinmux_pins),
-	.groups = pinmux_groups,
-	.nr_groups = ARRAY_SIZE(pinmux_groups),
-	.functions = pinmux_functions,
-	.nr_functions = ARRAY_SIZE(pinmux_functions),
+	.groups = pinmux_groups.common,
+	.nr_groups = ARRAY_SIZE(pinmux_groups.common) +
+		ARRAY_SIZE(pinmux_groups.automotive),
+	.functions = pinmux_functions.common,
+	.nr_functions = ARRAY_SIZE(pinmux_functions.common) +
+		ARRAY_SIZE(pinmux_functions.automotive),
 
 	.cfg_regs = pinmux_config_regs,
 
 	.pinmux_data = pinmux_data,
 	.pinmux_data_size = ARRAY_SIZE(pinmux_data),
 };
+#endif

drivers/pinctrl/sh-pfc/sh_pfc.h

@@ -304,6 +304,7 @@ struct sh_pfc_soc_info {
 extern const struct sh_pfc_soc_info emev2_pinmux_info;
 extern const struct sh_pfc_soc_info r8a73a4_pinmux_info;
 extern const struct sh_pfc_soc_info r8a7740_pinmux_info;
+extern const struct sh_pfc_soc_info r8a7742_pinmux_info;
 extern const struct sh_pfc_soc_info r8a7743_pinmux_info;
 extern const struct sh_pfc_soc_info r8a7744_pinmux_info;
 extern const struct sh_pfc_soc_info r8a7745_pinmux_info;