pinctrl: sh-pfc: r8a7795: add I2C pin support

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7795.c b/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
index aff3895d995512c95733588af6df0d7fdf292644..f6afe71b286380ccc9f3ff2d87f48d1633e88957 100644 (file)
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
@@ -1426,6 +1426,57 @@ static const struct sh_pfc_pin pinmux_pins[] = {
        PINMUX_GPIO_GP_ALL(),
 };
 
+/* - I2C -------------------------------------------------------------------- */
+static const unsigned int i2c1_a_pins[] = {
+       /* SDA, SCL */
+       RCAR_GP_PIN(5, 11), RCAR_GP_PIN(5, 10),
+};
+static const unsigned int i2c1_a_mux[] = {
+       SDA1_A_MARK, SCL1_A_MARK,
+};
+static const unsigned int i2c1_b_pins[] = {
+       /* SDA, SCL */
+       RCAR_GP_PIN(5, 24), RCAR_GP_PIN(5, 23),
+};
+static const unsigned int i2c1_b_mux[] = {
+       SDA1_B_MARK, SCL1_B_MARK,
+};
+static const unsigned int i2c2_a_pins[] = {
+       /* SDA, SCL */
+       RCAR_GP_PIN(5, 0), RCAR_GP_PIN(5, 4),
+};
+static const unsigned int i2c2_a_mux[] = {
+       SDA2_A_MARK, SCL2_A_MARK,
+};
+static const unsigned int i2c2_b_pins[] = {
+       /* SDA, SCL */
+       RCAR_GP_PIN(3, 13), RCAR_GP_PIN(3, 12),
+};
+static const unsigned int i2c2_b_mux[] = {
+       SDA2_B_MARK, SCL2_B_MARK,
+};
+static const unsigned int i2c6_a_pins[] = {
+       /* SDA, SCL */
+       RCAR_GP_PIN(1, 8), RCAR_GP_PIN(1, 11),
+};
+static const unsigned int i2c6_a_mux[] = {
+       SDA6_A_MARK, SCL6_A_MARK,
+};
+static const unsigned int i2c6_b_pins[] = {
+       /* SDA, SCL */
+       RCAR_GP_PIN(1, 26), RCAR_GP_PIN(1, 25),
+};
+static const unsigned int i2c6_b_mux[] = {
+       SDA6_B_MARK, SCL6_B_MARK,
+};
+static const unsigned int i2c6_c_pins[] = {
+       /* SDA, SCL */
+       RCAR_GP_PIN(0, 15), RCAR_GP_PIN(0, 14),
+};
+static const unsigned int i2c6_c_mux[] = {
+       SDA6_C_MARK, SCL6_C_MARK,
+};
+
 /* - SCIF0 ------------------------------------------------------------------ */
 static const unsigned int scif0_data_pins[] = {
        /* RX, TX */
@@ -1610,6 +1661,13 @@ static const unsigned int scif5_clk_mux[] = {
 };
 
 static const struct sh_pfc_pin_group pinmux_groups[] = {
+       SH_PFC_PIN_GROUP(i2c1_a),
+       SH_PFC_PIN_GROUP(i2c1_b),
+       SH_PFC_PIN_GROUP(i2c2_a),
+       SH_PFC_PIN_GROUP(i2c2_b),
+       SH_PFC_PIN_GROUP(i2c6_a),
+       SH_PFC_PIN_GROUP(i2c6_b),
+       SH_PFC_PIN_GROUP(i2c6_c),
        SH_PFC_PIN_GROUP(scif0_data),
        SH_PFC_PIN_GROUP(scif0_clk),
        SH_PFC_PIN_GROUP(scif0_ctrl),
@@ -1637,6 +1695,22 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
        SH_PFC_PIN_GROUP(scif5_clk),
 };
 
+static const char * const i2c1_groups[] = {
+       "i2c1_a",
+       "i2c1_b",
+};
+
+static const char * const i2c2_groups[] = {
+       "i2c2_a",
+       "i2c2_b",
+};
+
+static const char * const i2c6_groups[] = {
+       "i2c6_a",
+       "i2c6_b",
+       "i2c6_c",
+};
+
 static const char * const scif0_groups[] = {
        "scif0_data",
        "scif0_clk",
@@ -1681,6 +1755,9 @@ static const char * const scif5_groups[] = {
 };
 
 static const struct sh_pfc_function pinmux_functions[] = {
+       SH_PFC_FUNCTION(i2c1),
+       SH_PFC_FUNCTION(i2c2),
+       SH_PFC_FUNCTION(i2c6),
        SH_PFC_FUNCTION(scif0),
        SH_PFC_FUNCTION(scif1),
        SH_PFC_FUNCTION(scif2),