pinctrl: sh-pfc: r8a7795: Add CAN support

This patch adds CAN[0-1] pinmux support for R-Car H3 ES2.0. The pin
config is identical to H3 ES1.*.

Signed-off-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

1 files changed, 52 insertions, 0 deletions

diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7795.c b/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
index d1cec6d12e81..59249a990cef 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
@@ -1781,6 +1781,38 @@ static const unsigned int avb_avtp_capture_b_mux[] = {
         AVB_AVTP_CAPTURE_B_MARK,
 };
 
+/* - CAN ------------------------------------------------------------------ */
+static const unsigned int can0_data_a_pins[] = {
+        /* TX, RX */
+        RCAR_GP_PIN(1, 23),     RCAR_GP_PIN(1, 24),
+};
+static const unsigned int can0_data_a_mux[] = {
+        CAN0_TX_A_MARK,         CAN0_RX_A_MARK,
+};
+static const unsigned int can0_data_b_pins[] = {
+        /* TX, RX */
+        RCAR_GP_PIN(2, 0),      RCAR_GP_PIN(2, 1),
+};
+static const unsigned int can0_data_b_mux[] = {
+        CAN0_TX_B_MARK,         CAN0_RX_B_MARK,
+};
+static const unsigned int can1_data_pins[] = {
+        /* TX, RX */
+        RCAR_GP_PIN(1, 22),     RCAR_GP_PIN(1, 26),
+};
+static const unsigned int can1_data_mux[] = {
+        CAN1_TX_MARK,           CAN1_RX_MARK,
+};
+
+/* - CAN Clock -------------------------------------------------------------- */
+static const unsigned int can_clk_pins[] = {
+        /* CLK */
+        RCAR_GP_PIN(1, 25),
+};
+static const unsigned int can_clk_mux[] = {
+        CAN_CLK_MARK,
+};
+
 /* - DRIF0 --------------------------------------------------------------- */
 static const unsigned int drif0_ctrl_a_pins[] = {
         /* CLK, SYNC */
@@ -3843,6 +3875,10 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
         SH_PFC_PIN_GROUP(avb_avtp_capture_a),
         SH_PFC_PIN_GROUP(avb_avtp_match_b),
         SH_PFC_PIN_GROUP(avb_avtp_capture_b),
+        SH_PFC_PIN_GROUP(can0_data_a),
+        SH_PFC_PIN_GROUP(can0_data_b),
+        SH_PFC_PIN_GROUP(can1_data),
+        SH_PFC_PIN_GROUP(can_clk),
         SH_PFC_PIN_GROUP(drif0_ctrl_a),
         SH_PFC_PIN_GROUP(drif0_data0_a),
         SH_PFC_PIN_GROUP(drif0_data1_a),
@@ -4154,6 +4190,19 @@ static const char * const avb_groups[] = {
         "avb_avtp_capture_b",
 };
 
+static const char * const can0_groups[] = {
+        "can0_data_a",
+        "can0_data_b",
+};
+
+static const char * const can1_groups[] = {
+        "can1_data",
+};
+
+static const char * const can_clk_groups[] = {
+        "can_clk",
+};
+
 static const char * const drif0_groups[] = {
         "drif0_ctrl_a",
         "drif0_data0_a",
@@ -4559,6 +4608,9 @@ static const char * const usb30_groups[] = {
 static const struct sh_pfc_function pinmux_functions[] = {
         SH_PFC_FUNCTION(audio_clk),
         SH_PFC_FUNCTION(avb),
+        SH_PFC_FUNCTION(can0),
+        SH_PFC_FUNCTION(can1),
+        SH_PFC_FUNCTION(can_clk),
         SH_PFC_FUNCTION(drif0),
         SH_PFC_FUNCTION(drif1),
         SH_PFC_FUNCTION(drif2),