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

Add pins, groups and functions for the QSPI functionality proviced by
the SPI Multi I/O Bus Controller (RPC-IF) 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/ebe123bca4888382bc76ccf1a3a9e85ced31f3f3.1706264667.git.geert+renesas@glider.be

drivers/pinctrl/renesas/pfc-r8a779h0.c

@@ -1468,6 +1468,42 @@ static const unsigned int mmc_ds_mux[] = {
 	MMC_DS_MARK,
 };
 
+/* - QSPI0 ------------------------------------------------------------------ */
+static const unsigned int qspi0_ctrl_pins[] = {
+	/* SPCLK, SSL */
+	RCAR_GP_PIN(3, 20), RCAR_GP_PIN(3, 15),
+};
+static const unsigned int qspi0_ctrl_mux[] = {
+	QSPI0_SPCLK_MARK, QSPI0_SSL_MARK,
+};
+static const unsigned int qspi0_data_pins[] = {
+	/* MOSI_IO0, MISO_IO1, IO2, IO3 */
+	RCAR_GP_PIN(3, 19), RCAR_GP_PIN(3, 18),
+	RCAR_GP_PIN(3, 17), RCAR_GP_PIN(3, 16),
+};
+static const unsigned int qspi0_data_mux[] = {
+	QSPI0_MOSI_IO0_MARK, QSPI0_MISO_IO1_MARK,
+	QSPI0_IO2_MARK, QSPI0_IO3_MARK
+};
+
+/* - QSPI1 ------------------------------------------------------------------ */
+static const unsigned int qspi1_ctrl_pins[] = {
+	/* SPCLK, SSL */
+	RCAR_GP_PIN(3, 22), RCAR_GP_PIN(3, 25),
+};
+static const unsigned int qspi1_ctrl_mux[] = {
+	QSPI1_SPCLK_MARK, QSPI1_SSL_MARK,
+};
+static const unsigned int qspi1_data_pins[] = {
+	/* MOSI_IO0, MISO_IO1, IO2, IO3 */
+	RCAR_GP_PIN(3, 21), RCAR_GP_PIN(3, 23),
+	RCAR_GP_PIN(3, 24), RCAR_GP_PIN(3, 26),
+};
+static const unsigned int qspi1_data_mux[] = {
+	QSPI1_MOSI_IO0_MARK, QSPI1_MISO_IO1_MARK,
+	QSPI1_IO2_MARK, QSPI1_IO3_MARK
+};
+
 static const struct sh_pfc_pin_group pinmux_groups[] = {
 	SH_PFC_PIN_GROUP(avb0_link),
 	SH_PFC_PIN_GROUP(avb0_magic),
@@ -1506,6 +1542,13 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
 	SH_PFC_PIN_GROUP(mmc_cd),
 	SH_PFC_PIN_GROUP(mmc_wp),
 	SH_PFC_PIN_GROUP(mmc_ds),
+
+	SH_PFC_PIN_GROUP(qspi0_ctrl),
+	BUS_DATA_PIN_GROUP(qspi0_data, 2),
+	BUS_DATA_PIN_GROUP(qspi0_data, 4),
+	SH_PFC_PIN_GROUP(qspi1_ctrl),
+	BUS_DATA_PIN_GROUP(qspi1_data, 2),
+	BUS_DATA_PIN_GROUP(qspi1_data, 4),
 };
 
 static const char * const avb0_groups[] = {
@@ -1554,12 +1597,27 @@ static const char * const mmc_groups[] = {
 	"mmc_ds",
 };
 
+static const char * const qspi0_groups[] = {
+	"qspi0_ctrl",
+	"qspi0_data2",
+	"qspi0_data4",
+};
+
+static const char * const qspi1_groups[] = {
+	"qspi1_ctrl",
+	"qspi1_data2",
+	"qspi1_data4",
+};
+
 static const struct sh_pfc_function pinmux_functions[] = {
 	SH_PFC_FUNCTION(avb0),
 	SH_PFC_FUNCTION(avb1),
 	SH_PFC_FUNCTION(avb2),
 
 	SH_PFC_FUNCTION(mmc),
+
+	SH_PFC_FUNCTION(qspi0),
+	SH_PFC_FUNCTION(qspi1),
 };
 
 static const struct pinmux_cfg_reg pinmux_config_regs[] = {