pinctrl: sh-pfc: r8a77995: Add I2C pins, groups and functions

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

drivers/pinctrl/sh-pfc/pfc-r8a77995.c

@@ -936,6 +936,50 @@ static const struct sh_pfc_pin pinmux_pins[] = {
 	PINMUX_GPIO_GP_ALL(),
 };
 
+/* - I2C -------------------------------------------------------------------- */
+static const unsigned int i2c0_pins[] = {
+	/* SCL, SDA */
+	RCAR_GP_PIN(4, 8), RCAR_GP_PIN(4, 9),
+};
+static const unsigned int i2c0_mux[] = {
+	SCL0_MARK, SDA0_MARK,
+};
+static const unsigned int i2c1_pins[] = {
+	/* SCL, SDA */
+	RCAR_GP_PIN(4, 10), RCAR_GP_PIN(4, 11),
+};
+static const unsigned int i2c1_mux[] = {
+	SCL1_MARK, SDA1_MARK,
+};
+static const unsigned int i2c2_a_pins[] = {
+	/* SCL, SDA */
+	RCAR_GP_PIN(4, 6), RCAR_GP_PIN(4, 7),
+};
+static const unsigned int i2c2_a_mux[] = {
+	SCL2_A_MARK, SDA2_A_MARK,
+};
+static const unsigned int i2c2_b_pins[] = {
+	/* SCL, SDA */
+	RCAR_GP_PIN(2, 29), RCAR_GP_PIN(2, 30),
+};
+static const unsigned int i2c2_b_mux[] = {
+	SCL2_B_MARK, SDA2_B_MARK,
+};
+static const unsigned int i2c3_a_pins[] = {
+	/* SCL, SDA */
+	RCAR_GP_PIN(0, 4), RCAR_GP_PIN(0, 5),
+};
+static const unsigned int i2c3_a_mux[] = {
+	SCL3_A_MARK, SDA3_A_MARK,
+};
+static const unsigned int i2c3_b_pins[] = {
+	/* SCL, SDA */
+	RCAR_GP_PIN(0, 7), RCAR_GP_PIN(0, 8),
+};
+static const unsigned int i2c3_b_mux[] = {
+	SCL3_B_MARK, SDA3_B_MARK,
+};
+
 /* - SCIF0 ------------------------------------------------------------------ */
 static const unsigned int scif0_data_a_pins[] = {
 	/* RX, TX */
@@ -1121,6 +1165,12 @@ static const unsigned int scif_clk_mux[] = {
 };
 
 static const struct sh_pfc_pin_group pinmux_groups[] = {
+	SH_PFC_PIN_GROUP(i2c0),
+	SH_PFC_PIN_GROUP(i2c1),
+	SH_PFC_PIN_GROUP(i2c2_a),
+	SH_PFC_PIN_GROUP(i2c2_b),
+	SH_PFC_PIN_GROUP(i2c3_a),
+	SH_PFC_PIN_GROUP(i2c3_b),
 	SH_PFC_PIN_GROUP(scif0_data_a),
 	SH_PFC_PIN_GROUP(scif0_clk_a),
 	SH_PFC_PIN_GROUP(scif0_data_b),
@@ -1148,6 +1198,23 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
 	SH_PFC_PIN_GROUP(scif_clk),
 };
 
+static const char * const i2c0_groups[] = {
+	"i2c0",
+};
+static const char * const i2c1_groups[] = {
+	"i2c1",
+};
+
+static const char * const i2c2_groups[] = {
+	"i2c2_a",
+	"i2c2_b",
+};
+
+static const char * const i2c3_groups[] = {
+	"i2c3_a",
+	"i2c3_b",
+};
+
 static const char * const scif0_groups[] = {
 	"scif0_data_a",
 	"scif0_clk_a",
@@ -1195,6 +1262,10 @@ static const char * const scif_clk_groups[] = {
 };
 
 static const struct sh_pfc_function pinmux_functions[] = {
+	SH_PFC_FUNCTION(i2c0),
+	SH_PFC_FUNCTION(i2c1),
+	SH_PFC_FUNCTION(i2c2),
+	SH_PFC_FUNCTION(i2c3),
 	SH_PFC_FUNCTION(scif0),
 	SH_PFC_FUNCTION(scif1),
 	SH_PFC_FUNCTION(scif2),