pinctrl: sh-pfc: r8a7790: Add QSPI pin groups

A QSPI function set consists of 3 groups:
  - qspi_ctrl (2 control wires)
  - qspi_data2 (2 data wires, for Single/Dual SPI)
  - qspi_data4 (4 data wires, for Quad SPI)

Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7790.c b/drivers/pinctrl/sh-pfc/pfc-r8a7790.c
index ee2ae05..2814440 100644 (file)
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7790.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7790.c
@@ -2389,6 +2389,29 @@ static const unsigned int msiof3_tx_pins[] = {
 static const unsigned int msiof3_tx_mux[] = {
        MSIOF3_TXD_MARK,
 };
+/* - QSPI ------------------------------------------------------------------- */
+static const unsigned int qspi_ctrl_pins[] = {
+       /* SPCLK, SSL */
+       RCAR_GP_PIN(1, 4), RCAR_GP_PIN(1, 9),
+};
+static const unsigned int qspi_ctrl_mux[] = {
+       SPCLK_MARK, SSL_MARK,
+};
+static const unsigned int qspi_data2_pins[] = {
+       /* MOSI_IO0, MISO_IO1 */
+       RCAR_GP_PIN(1, 5), RCAR_GP_PIN(1, 6),
+};
+static const unsigned int qspi_data2_mux[] = {
+       MOSI_IO0_MARK, MISO_IO1_MARK,
+};
+static const unsigned int qspi_data4_pins[] = {
+       /* MOSI_IO0, MISO_IO1, IO2, IO3 */
+       RCAR_GP_PIN(1, 5), RCAR_GP_PIN(1, 6), RCAR_GP_PIN(1, 7),
+       RCAR_GP_PIN(1, 8),
+};
+static const unsigned int qspi_data4_mux[] = {
+       MOSI_IO0_MARK, MISO_IO1_MARK, IO2_MARK, IO3_MARK,
+};
 /* - SCIF0 ------------------------------------------------------------------ */
 static const unsigned int scif0_data_pins[] = {
        /* RX, TX */
@@ -3678,6 +3701,9 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
        SH_PFC_PIN_GROUP(msiof3_ss2),
        SH_PFC_PIN_GROUP(msiof3_rx),
        SH_PFC_PIN_GROUP(msiof3_tx),
+       SH_PFC_PIN_GROUP(qspi_ctrl),
+       SH_PFC_PIN_GROUP(qspi_data2),
+       SH_PFC_PIN_GROUP(qspi_data4),
        SH_PFC_PIN_GROUP(scif0_data),
        SH_PFC_PIN_GROUP(scif0_clk),
        SH_PFC_PIN_GROUP(scif0_ctrl),
@@ -3978,6 +4004,12 @@ static const char * const msiof3_groups[] = {
        "msiof3_tx",
 };
 
+static const char * const qspi_groups[] = {
+       "qspi_ctrl",
+       "qspi_data2",
+       "qspi_data4",
+};
+
 static const char * const scif0_groups[] = {
        "scif0_data",
        "scif0_clk",
@@ -4222,6 +4254,7 @@ static const struct sh_pfc_function pinmux_functions[] = {
        SH_PFC_FUNCTION(msiof1),
        SH_PFC_FUNCTION(msiof2),
        SH_PFC_FUNCTION(msiof3),
+       SH_PFC_FUNCTION(qspi),
        SH_PFC_FUNCTION(scif0),
        SH_PFC_FUNCTION(scif1),
        SH_PFC_FUNCTION(scif2),