sh-pfc: r8a7778: add I2C pin groups

Add I2C SDA/SCL pin groups to R8A7778 PFC driver.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7778.c b/drivers/pinctrl/sh-pfc/pfc-r8a7778.c
index 6b2c6b58aaf7e461d014b5051fd58ee7d69822c2..605f8ae6b70a71a12e7a32fce909ead647746d8b 100644 (file)
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7778.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7778.c
@@ -1371,6 +1371,32 @@ SCIF_PFC_CLK(hscif1_clk_a,       HSCK1_A);
 SCIF_PFC_PIN(hscif1_clk_b,     RCAR_GP_PIN(4, 2));
 SCIF_PFC_CLK(hscif1_clk_b,     HSCK1_B);
 
+/* - I2C macro ------------------------------------------------------------- */
+#define I2C_PFC_PIN(name, args...)     SH_PFC_PINS(name, args)
+#define I2C_PFC_MUX(name, sda, scl)    SH_PFC_MUX2(name, sda, scl)
+
+/* - I2C1 ------------------------------------------------------------------ */
+I2C_PFC_PIN(i2c1_a,    RCAR_GP_PIN(3, 8),      RCAR_GP_PIN(3, 9));
+I2C_PFC_MUX(i2c1_a,    SDA1_A,                 SCL1_A);
+I2C_PFC_PIN(i2c1_b,    RCAR_GP_PIN(4, 17),     RCAR_GP_PIN(4, 18));
+I2C_PFC_MUX(i2c1_b,    SDA1_B,                 SCL1_B);
+
+/* - I2C2 ------------------------------------------------------------------ */
+I2C_PFC_PIN(i2c2_a,    PIN_NUMBER(3, 20),      RCAR_GP_PIN(1, 3));
+I2C_PFC_MUX(i2c2_a,    SDA2_A,                 SCL2_A);
+I2C_PFC_PIN(i2c2_b,    RCAR_GP_PIN(0, 3),      RCAR_GP_PIN(0, 4));
+I2C_PFC_MUX(i2c2_b,    SDA2_B,                 SCL2_B);
+I2C_PFC_PIN(i2c2_c,    RCAR_GP_PIN(4, 15),     RCAR_GP_PIN(4, 16));
+I2C_PFC_MUX(i2c2_c,    SDA2_C,                 SCL2_C);
+
+/* - I2C3 ------------------------------------------------------------------ */
+I2C_PFC_PIN(i2c3_a,    RCAR_GP_PIN(1, 14),     RCAR_GP_PIN(1, 15));
+I2C_PFC_MUX(i2c3_a,    SDA3_A,                 SCL3_A);
+I2C_PFC_PIN(i2c3_b,    RCAR_GP_PIN(1, 16),     RCAR_GP_PIN(1, 19));
+I2C_PFC_MUX(i2c3_b,    SDA3_B,                 SCL3_B);
+I2C_PFC_PIN(i2c3_c,    RCAR_GP_PIN(1, 22),     RCAR_GP_PIN(1, 23));
+I2C_PFC_MUX(i2c3_c,    SDA3_C,                 SCL3_C);
+
 /* - SCIF CLOCK ------------------------------------------------------------- */
 SCIF_PFC_PIN(scif_clk,         RCAR_GP_PIN(1, 16));
 SCIF_PFC_CLK(scif_clk,         SCIF_CLK);
@@ -1584,6 +1610,14 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
        SH_PFC_PIN_GROUP(hscif1_ctrl_b),
        SH_PFC_PIN_GROUP(hscif1_clk_a),
        SH_PFC_PIN_GROUP(hscif1_clk_b),
+       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(i2c2_c),
+       SH_PFC_PIN_GROUP(i2c3_a),
+       SH_PFC_PIN_GROUP(i2c3_b),
+       SH_PFC_PIN_GROUP(i2c3_c),
        SH_PFC_PIN_GROUP(scif_clk),
        SH_PFC_PIN_GROUP(scif0_data_a),
        SH_PFC_PIN_GROUP(scif0_data_b),
@@ -1676,6 +1710,23 @@ static const char * const hscif1_groups[] = {
        "hscif1_clk_b",
 };
 
+static const char * const i2c1_groups[] = {
+       "i2c1_a",
+       "i2c1_b",
+};
+
+static const char * const i2c2_groups[] = {
+       "i2c2_a",
+       "i2c2_b",
+       "i2c2_c",
+};
+
+static const char * const i2c3_groups[] = {
+       "i2c3_a",
+       "i2c3_b",
+       "i2c3_c",
+};
+
 static const char * const scif_clk_groups[] = {
        "scif_clk",
 };
@@ -1790,6 +1841,9 @@ static const struct sh_pfc_function pinmux_functions[] = {
        SH_PFC_FUNCTION(ether),
        SH_PFC_FUNCTION(hscif0),
        SH_PFC_FUNCTION(hscif1),
+       SH_PFC_FUNCTION(i2c1),
+       SH_PFC_FUNCTION(i2c2),
+       SH_PFC_FUNCTION(i2c3),
        SH_PFC_FUNCTION(scif_clk),
        SH_PFC_FUNCTION(scif0),
        SH_PFC_FUNCTION(scif1),