[PATCH 3/3] pinctrl: sh-pfc: r8a7794: Add SCIF_CLK support

[Geert Uytterhoeven <geert+renesas@xxxxxxxxx>]

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@xxxxxxxxx>
---
 drivers/pinctrl/sh-pfc/pfc-r8a7794.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7794.c b/drivers/pinctrl/sh-pfc/pfc-r8a7794.c
index 10995fa6c3cb2ff9..3718c7846bfd5cd3 100644
--- 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),
-- 
1.9.1

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