pinctrl: sh-pfc: r8a7794: 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: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7794.c b/drivers/pinctrl/sh-pfc/pfc-r8a7794.c
index 10995fa6c3cb2ff9077b0cec9faca7e0055bf85b..3718c7846bfd5cd3cfce84076449b388432e8081 100644 (file)
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7794.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7794.c
@@ -2625,6 +2625,21 @@ static const unsigned int scifb2_ctrl_pins[] = {
 static const unsigned int scifb2_ctrl_mux[] = {
        SCIFB2_RTS_N_MARK, SCIFB2_CTS_N_MARK,
 };
+/* - SCIF Clock ------------------------------------------------------------- */
+static const unsigned int scif_clk_pins[] = {
+       /* SCIF_CLK */
+       RCAR_GP_PIN(1, 23),
+};
+static const unsigned int scif_clk_mux[] = {
+       SCIF_CLK_MARK,
+};
+static const unsigned int scif_clk_b_pins[] = {
+       /* SCIF_CLK */
+       RCAR_GP_PIN(3, 29),
+};
+static const unsigned int scif_clk_b_mux[] = {
+       SCIF_CLK_B_MARK,
+};
 /* - SDHI0 ------------------------------------------------------------------ */
 static const unsigned int sdhi0_data1_pins[] = {
        /* D0 */
@@ -3052,6 +3067,8 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
        SH_PFC_PIN_GROUP(scifb2_data),
        SH_PFC_PIN_GROUP(scifb2_clk),
        SH_PFC_PIN_GROUP(scifb2_ctrl),
+       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),
@@ -3335,6 +3352,11 @@ static const char * const scifb2_groups[] = {
        "scifb2_ctrl",
 };
 
+static const char * const scif_clk_groups[] = {
+       "scif_clk",
+       "scif_clk_b",
+};
+
 static const char * const sdhi0_groups[] = {
        "sdhi0_data1",
        "sdhi0_data4",
@@ -3422,6 +3444,7 @@ 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),