[PATCH] sh-pfc: r8a7790: add MLB+ pin group

[Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>]

Add MLB+ 3-pin mode pin group to R8A7790 PFC driver.

Based on original patch by Andrey Gusakov <andrey.gusakov@xxxxxxxxxxxxxxxxxx>.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>

---
The patch is against the 'devel' branch of Linus W.'s 'linux-pinctrl.git' repo.

 drivers/pinctrl/sh-pfc/pfc-r8a7790.c |   13 +++++++++++++
 1 file changed, 13 insertions(+)

Index: linux-pinctrl/drivers/pinctrl/sh-pfc/pfc-r8a7790.c
===================================================================
--- linux-pinctrl.orig/drivers/pinctrl/sh-pfc/pfc-r8a7790.c
+++ linux-pinctrl/drivers/pinctrl/sh-pfc/pfc-r8a7790.c
@@ -2241,6 +2241,13 @@ static const unsigned int intc_irq3_pins
 static const unsigned int intc_irq3_mux[] = {
 	IRQ3_MARK,
 };
+/* - MLB+ ------------------------------------------------------------------- */
+static const unsigned int mlb_3pin_pins[] = {
+	RCAR_GP_PIN(4, 0), RCAR_GP_PIN(4, 1), RCAR_GP_PIN(4, 2),
+};
+static const unsigned int mlb_3pin_mux[] = {
+	MLB_CLK_MARK, MLB_SIG_MARK, MLB_DAT_MARK,
+};
 /* - MMCIF0 ----------------------------------------------------------------- */
 static const unsigned int mmc0_data1_pins[] = {
 	/* D[0] */
@@ -3873,6 +3880,7 @@ static const struct sh_pfc_pin_group pin
 	SH_PFC_PIN_GROUP(intc_irq1),
 	SH_PFC_PIN_GROUP(intc_irq2),
 	SH_PFC_PIN_GROUP(intc_irq3),
+	SH_PFC_PIN_GROUP(mlb_3pin),
 	SH_PFC_PIN_GROUP(mmc0_data1),
 	SH_PFC_PIN_GROUP(mmc0_data4),
 	SH_PFC_PIN_GROUP(mmc0_data8),
@@ -4198,6 +4206,10 @@ static const char * const intc_groups[]
 	"intc_irq3",
 };
 
+static const char * const mlb_groups[] = {
+	"mlb_3pin",
+};
+
 static const char * const mmc0_groups[] = {
 	"mmc0_data1",
 	"mmc0_data4",
@@ -4511,6 +4523,7 @@ static const struct sh_pfc_function pinm
 	SH_PFC_FUNCTION(iic2),
 	SH_PFC_FUNCTION(iic3),
 	SH_PFC_FUNCTION(intc),
+	SH_PFC_FUNCTION(mlb),
 	SH_PFC_FUNCTION(mmc0),
 	SH_PFC_FUNCTION(mmc1),
 	SH_PFC_FUNCTION(msiof0),

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