pinctrl: renesas: r8a779h0: Add I2C pins, groups, functions

Add pins, groups and functions for the I2C Bus Interfaces on the Renesas
R-Car V4M (R8A779H0) SoC.

Signed-off-by: Cong Dang <cong.dang.xn@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/23fc01c6e97e544abd23168439f5d45d3ac8fa5b.1706264667.git.geert+renesas@glider.be

diff --git a/drivers/pinctrl/renesas/pfc-r8a779h0.c b/drivers/pinctrl/renesas/pfc-r8a779h0.c
index 6203f78..8e04f4c 100644 (file)
--- a/drivers/pinctrl/renesas/pfc-r8a779h0.c
+++ b/drivers/pinctrl/renesas/pfc-r8a779h0.c
@@ -1563,6 +1563,42 @@ static const unsigned int hscif3_ctrl_b_mux[] = {
        HRTS3_N_B_MARK, HCTS3_N_B_MARK,
 };
 
+/* - I2C0 ------------------------------------------------------------------- */
+static const unsigned int i2c0_pins[] = {
+       /* SDA0, SCL0 */
+       RCAR_GP_PIN(4, 1), RCAR_GP_PIN(4, 0),
+};
+static const unsigned int i2c0_mux[] = {
+       SDA0_MARK, SCL0_MARK,
+};
+
+/* - I2C1 ------------------------------------------------------------------- */
+static const unsigned int i2c1_pins[] = {
+       /* SDA1, SCL1 */
+       RCAR_GP_PIN(4, 3), RCAR_GP_PIN(4, 2),
+};
+static const unsigned int i2c1_mux[] = {
+       SDA1_MARK, SCL1_MARK,
+};
+
+/* - I2C2 ------------------------------------------------------------------- */
+static const unsigned int i2c2_pins[] = {
+       /* SDA2, SCL2 */
+       RCAR_GP_PIN(4, 5), RCAR_GP_PIN(4, 4),
+};
+static const unsigned int i2c2_mux[] = {
+       SDA2_MARK, SCL2_MARK,
+};
+
+/* - I2C3 ------------------------------------------------------------------- */
+static const unsigned int i2c3_pins[] = {
+       /* SDA3, SCL3 */
+       RCAR_GP_PIN(4, 7), RCAR_GP_PIN(4, 6),
+};
+static const unsigned int i2c3_mux[] = {
+       SDA3_MARK, SCL3_MARK,
+};
+
 /* - MMC -------------------------------------------------------------------- */
 static const unsigned int mmc_data_pins[] = {
        /* MMC_SD_D[0:3], MMC_D[4:7] */
@@ -1847,6 +1883,11 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
        SH_PFC_PIN_GROUP(hscif3_clk_b),
        SH_PFC_PIN_GROUP(hscif3_ctrl_b),
 
+       SH_PFC_PIN_GROUP(i2c0),
+       SH_PFC_PIN_GROUP(i2c1),
+       SH_PFC_PIN_GROUP(i2c2),
+       SH_PFC_PIN_GROUP(i2c3),
+
        BUS_DATA_PIN_GROUP(mmc_data, 1),
        BUS_DATA_PIN_GROUP(mmc_data, 4),
        BUS_DATA_PIN_GROUP(mmc_data, 8),
@@ -1950,6 +1991,22 @@ static const char * const hscif3_groups[] = {
        "hscif3_ctrl_b",
 };
 
+static const char * const i2c0_groups[] = {
+       "i2c0",
+};
+
+static const char * const i2c1_groups[] = {
+       "i2c1",
+};
+
+static const char * const i2c2_groups[] = {
+       "i2c2",
+};
+
+static const char * const i2c3_groups[] = {
+       "i2c3",
+};
+
 static const char * const mmc_groups[] = {
        "mmc_data1",
        "mmc_data4",
@@ -2020,6 +2077,11 @@ static const struct sh_pfc_function pinmux_functions[] = {
        SH_PFC_FUNCTION(hscif2),
        SH_PFC_FUNCTION(hscif3),
 
+       SH_PFC_FUNCTION(i2c0),
+       SH_PFC_FUNCTION(i2c1),
+       SH_PFC_FUNCTION(i2c2),
+       SH_PFC_FUNCTION(i2c3),
+
        SH_PFC_FUNCTION(mmc),
 
        SH_PFC_FUNCTION(qspi0),