pinctrl: sh-pfc: r8a7795: 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-r8a7795.c b/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
index b9ef8ed..35e0172 100644 (file)
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
@@ -2675,6 +2675,22 @@ static const unsigned int scif5_clk_mux[] = {
        SCK5_MARK,
 };
 
+/* - SCIF Clock ------------------------------------------------------------- */
+static const unsigned int scif_clk_a_pins[] = {
+       /* SCIF_CLK */
+       RCAR_GP_PIN(6, 23),
+};
+static const unsigned int scif_clk_a_mux[] = {
+       SCIF_CLK_A_MARK,
+};
+static const unsigned int scif_clk_b_pins[] = {
+       /* SCIF_CLK */
+       RCAR_GP_PIN(5, 9),
+};
+static const unsigned int scif_clk_b_mux[] = {
+       SCIF_CLK_B_MARK,
+};
+
 /* - SSI -------------------------------------------------------------------- */
 static const unsigned int ssi0_data_pins[] = {
        /* SDATA */
@@ -3029,6 +3045,8 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
        SH_PFC_PIN_GROUP(scif4_ctrl_c),
        SH_PFC_PIN_GROUP(scif5_data),
        SH_PFC_PIN_GROUP(scif5_clk),
+       SH_PFC_PIN_GROUP(scif_clk_a),
+       SH_PFC_PIN_GROUP(scif_clk_b),
        SH_PFC_PIN_GROUP(ssi0_data),
        SH_PFC_PIN_GROUP(ssi01239_ctrl),
        SH_PFC_PIN_GROUP(ssi1_data_a),
@@ -3292,6 +3310,11 @@ static const char * const scif5_groups[] = {
        "scif5_clk",
 };
 
+static const char * const scif_clk_groups[] = {
+       "scif_clk_a",
+       "scif_clk_b",
+};
+
 static const char * const ssi_groups[] = {
        "ssi0_data",
        "ssi01239_ctrl",
@@ -3341,6 +3364,7 @@ static const struct sh_pfc_function pinmux_functions[] = {
        SH_PFC_FUNCTION(scif3),
        SH_PFC_FUNCTION(scif4),
        SH_PFC_FUNCTION(scif5),
+       SH_PFC_FUNCTION(scif_clk),
        SH_PFC_FUNCTION(ssi),
 };