pinctrl: pfc: r8a7790: add i2c0 muxing

Add the muxing for the last missing i2c rcar core. Fix the sorting for
SH_PFC_PIN_NAMED while we are here.
Signed-off-by: Wolfram Sang <wsa@sang-engineering.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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

@@ -782,6 +782,7 @@ enum {
 	USB1_PWEN_MARK, AUDIO_CLKOUT_D_MARK, USB1_OVC_MARK,
 	TCLK1_B_MARK,
 
+	I2C0_SCL_MARK, I2C0_SDA_MARK,
 	I2C3_SCL_MARK, I2C3_SDA_MARK,
 	PINMUX_MARK_END,
 };
@@ -1722,6 +1723,9 @@ static const u16 pinmux_data[] = {
 	PINMUX_IPSR_DATA(IP16_7, USB1_OVC),
 	PINMUX_IPSR_MODSEL_DATA(IP16_7, TCLK1_B, SEL_TMU1_1),
 
+	PINMUX_DATA(I2C0_SCL_MARK, FN_SEL_IIC0_1),
+	PINMUX_DATA(I2C0_SDA_MARK, FN_SEL_IIC0_1),
+
 	PINMUX_DATA(I2C3_SCL_MARK, FN_SEL_IICDVFS_1),
 	PINMUX_DATA(I2C3_SDA_MARK, FN_SEL_IICDVFS_1),
 };
@@ -1735,8 +1739,10 @@ static const struct sh_pfc_pin pinmux_pins[] = {
 	PINMUX_GPIO_GP_ALL(),
 
 	/* Pins not associated with a GPIO port */
-	SH_PFC_PIN_NAMED(ROW_GROUP_A('J'), 15, AJ15),
+	SH_PFC_PIN_NAMED(ROW_GROUP_A('F'), 15, AF15),
+	SH_PFC_PIN_NAMED(ROW_GROUP_A('G'), 15, AG15),
 	SH_PFC_PIN_NAMED(ROW_GROUP_A('H'), 15, AH15),
+	SH_PFC_PIN_NAMED(ROW_GROUP_A('J'), 15, AJ15),
 };
 
 /* - AUDIO CLOCK ------------------------------------------------------------ */
@@ -2054,6 +2060,14 @@ static const unsigned int hscif1_ctrl_b_pins[] = {
 static const unsigned int hscif1_ctrl_b_mux[] = {
 	HRTS1_N_B_MARK, HCTS1_N_B_MARK,
 };
+/* - I2C0 ------------------------------------------------------------------- */
+static const unsigned int i2c0_pins[] = {
+	/* SCL, SDA */
+	PIN_A_NUMBER('G', 15), PIN_A_NUMBER('F', 15),
+};
+static const unsigned int i2c0_mux[] = {
+	I2C0_SCL_MARK, I2C0_SDA_MARK,
+};
 /* - I2C1 ------------------------------------------------------------------- */
 static const unsigned int i2c1_pins[] = {
 	/* SCL, SDA */
@@ -3757,6 +3771,7 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
 	SH_PFC_PIN_GROUP(hscif1_data_b),
 	SH_PFC_PIN_GROUP(hscif1_clk_b),
 	SH_PFC_PIN_GROUP(hscif1_ctrl_b),
+	SH_PFC_PIN_GROUP(i2c0),
 	SH_PFC_PIN_GROUP(i2c1),
 	SH_PFC_PIN_GROUP(i2c1_b),
 	SH_PFC_PIN_GROUP(i2c1_c),
@@ -4044,6 +4059,10 @@ static const char * const hscif1_groups[] = {
 	"hscif1_ctrl_b",
 };
 
+static const char * const i2c0_groups[] = {
+	"i2c0",
+};
+
 static const char * const i2c1_groups[] = {
 	"i2c1",
 	"i2c1_b",
@@ -4373,6 +4392,7 @@ static const struct sh_pfc_function pinmux_functions[] = {
 	SH_PFC_FUNCTION(eth),
 	SH_PFC_FUNCTION(hscif0),
 	SH_PFC_FUNCTION(hscif1),
+	SH_PFC_FUNCTION(i2c0),
 	SH_PFC_FUNCTION(i2c1),
 	SH_PFC_FUNCTION(i2c2),
 	SH_PFC_FUNCTION(i2c3),