pinctrl: sh-pfc: r8a7791: Add SCIF_CLK support

Add pins, groups, and a function for SCIF_CLK, which is the external
clock source for the Baud Rate Generator for External Clock (BRG) on
(H)SCIF.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7791.c b/drivers/pinctrl/sh-pfc/pfc-r8a7791.c
index 10a9673..c508ae4 100644 (file)
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7791.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7791.c
@@ -3587,6 +3587,23 @@ static const unsigned int scifb2_data_d_pins[] = {
 static const unsigned int scifb2_data_d_mux[] = {
        SCIFB2_RXD_D_MARK, SCIFB2_TXD_D_MARK,
 };
+
+/* - SCIF Clock ------------------------------------------------------------- */
+static const unsigned int scif_clk_pins[] = {
+       /* SCIF_CLK */
+       RCAR_GP_PIN(2, 29),
+};
+static const unsigned int scif_clk_mux[] = {
+       SCIF_CLK_MARK,
+};
+static const unsigned int scif_clk_b_pins[] = {
+       /* SCIF_CLK */
+       RCAR_GP_PIN(7, 19),
+};
+static const unsigned int scif_clk_b_mux[] = {
+       SCIF_CLK_B_MARK,
+};
+
 /* - SDHI0 ------------------------------------------------------------------ */
 static const unsigned int sdhi0_data1_pins[] = {
        /* D0 */
@@ -4495,6 +4512,8 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
        SH_PFC_PIN_GROUP(scifb2_data_c),
        SH_PFC_PIN_GROUP(scifb2_clk_c),
        SH_PFC_PIN_GROUP(scifb2_data_d),
+       SH_PFC_PIN_GROUP(scif_clk),
+       SH_PFC_PIN_GROUP(scif_clk_b),
        SH_PFC_PIN_GROUP(sdhi0_data1),
        SH_PFC_PIN_GROUP(sdhi0_data4),
        SH_PFC_PIN_GROUP(sdhi0_ctrl),
@@ -4961,6 +4980,11 @@ static const char * const scifb2_groups[] = {
        "scifb2_data_d",
 };
 
+static const char * const scif_clk_groups[] = {
+       "scif_clk",
+       "scif_clk_b",
+};
+
 static const char * const sdhi0_groups[] = {
        "sdhi0_data1",
        "sdhi0_data4",
@@ -5111,6 +5135,7 @@ static const struct sh_pfc_function pinmux_functions[] = {
        SH_PFC_FUNCTION(scifb0),
        SH_PFC_FUNCTION(scifb1),
        SH_PFC_FUNCTION(scifb2),
+       SH_PFC_FUNCTION(scif_clk),
        SH_PFC_FUNCTION(sdhi0),
        SH_PFC_FUNCTION(sdhi1),
        SH_PFC_FUNCTION(sdhi2),