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From:   Kieran Bingham <kbingham@kernel.org>
To:     linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        Kieran Bingham <kieran.bingham@ideasonboard.com>
Cc:     Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Simon Horman <horms@verge.net.au>, geert@glider.be,
        Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Linus Walleij <linus.walleij@linaro.org>,
        linux-gpio@vger.kernel.org (open list:PIN CONTROL SUBSYSTEM),
        linux-kernel@vger.kernel.org (open list)
Subject: [PATCH 1/8] pinctrl: sh-pfc: r8a77995: Add DU support
Date:   Thu, 15 Feb 2018 08:38:16 +0000
Message-Id: <1518683903-10681-2-git-send-email-kbingham@kernel.org>
In-Reply-To: <1518683903-10681-1-git-send-email-kbingham@kernel.org>
References: <1518683903-10681-1-git-send-email-kbingham@kernel.org>
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From: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>

Provide pin control support for the DU parallel RGB output signals.

Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
---
 drivers/pinctrl/sh-pfc/pfc-r8a77995.c | 101 ++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)

diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a77995.c b/drivers/pinctrl/sh-pfc/pfc-r8a77995.c
index a4927b78a17b..277b0d6972f7 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a77995.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a77995.c
@@ -1114,6 +1114,87 @@ static const unsigned int canfd1_data_mux[] = {
 	CANFD1_TX_MARK, CANFD1_RX_MARK,
 };
 
+/* - DU --------------------------------------------------------------------- */
+static const unsigned int du_rgb666_pins[] = {
+	/* R[7:2], G[7:2], B[7:2] */
+	RCAR_GP_PIN(1, 23), RCAR_GP_PIN(1, 22), RCAR_GP_PIN(1, 21),
+	RCAR_GP_PIN(1, 20), RCAR_GP_PIN(1, 19), RCAR_GP_PIN(1, 18),
+	RCAR_GP_PIN(1, 15), RCAR_GP_PIN(1, 14), RCAR_GP_PIN(1, 13),
+	RCAR_GP_PIN(1, 12), RCAR_GP_PIN(1, 11), RCAR_GP_PIN(1, 10),
+	RCAR_GP_PIN(1, 7),  RCAR_GP_PIN(1, 6),  RCAR_GP_PIN(1, 5),
+	RCAR_GP_PIN(1, 4),  RCAR_GP_PIN(1, 3),  RCAR_GP_PIN(1, 2),
+};
+static const unsigned int du_rgb666_mux[] = {
+	DU_DR7_MARK, DU_DR6_MARK, DU_DR5_MARK, DU_DR4_MARK,
+	DU_DR3_MARK, DU_DR2_MARK,
+	DU_DG7_MARK, DU_DG6_MARK, DU_DG5_MARK, DU_DG4_MARK,
+	DU_DG3_MARK, DU_DG2_MARK,
+	DU_DB7_MARK, DU_DB6_MARK, DU_DB5_MARK, DU_DB4_MARK,
+	DU_DB3_MARK, DU_DB2_MARK,
+};
+static const unsigned int du_rgb888_pins[] = {
+	/* R[7:0], G[7:0], B[7:0] */
+	RCAR_GP_PIN(1, 23), RCAR_GP_PIN(1, 22), RCAR_GP_PIN(1, 21),
+	RCAR_GP_PIN(1, 20), RCAR_GP_PIN(1, 19), RCAR_GP_PIN(1, 18),
+	RCAR_GP_PIN(1, 17), RCAR_GP_PIN(1, 16),
+	RCAR_GP_PIN(1, 15), RCAR_GP_PIN(1, 14), RCAR_GP_PIN(1, 13),
+	RCAR_GP_PIN(1, 12), RCAR_GP_PIN(1, 11), RCAR_GP_PIN(1, 10),
+	RCAR_GP_PIN(1, 9),  RCAR_GP_PIN(1, 8),
+	RCAR_GP_PIN(1, 7),  RCAR_GP_PIN(1, 6),  RCAR_GP_PIN(1, 5),
+	RCAR_GP_PIN(1, 4),  RCAR_GP_PIN(1, 3),  RCAR_GP_PIN(1, 2),
+	RCAR_GP_PIN(1, 1),  RCAR_GP_PIN(1, 0),
+};
+static const unsigned int du_rgb888_mux[] = {
+	DU_DR7_MARK, DU_DR6_MARK, DU_DR5_MARK, DU_DR4_MARK,
+	DU_DR3_MARK, DU_DR2_MARK, DU_DR1_MARK, DU_DR0_MARK,
+	DU_DG7_MARK, DU_DG6_MARK, DU_DG5_MARK, DU_DG4_MARK,
+	DU_DG3_MARK, DU_DG2_MARK, DU_DG1_MARK, DU_DG0_MARK,
+	DU_DB7_MARK, DU_DB6_MARK, DU_DB5_MARK, DU_DB4_MARK,
+	DU_DB3_MARK, DU_DB2_MARK, DU_DB1_MARK, DU_DB0_MARK,
+};
+static const unsigned int du_dotclkout0_pins[] = {
+	/* CLKOUT */
+	RCAR_GP_PIN(1, 24),
+};
+static const unsigned int du_dotclkout0_mux[] = {
+	DU_DOTCLKOUT0_MARK
+};
+static const unsigned int du_sync_pins[] = {
+	/* HSYNC, VSYNC */
+	RCAR_GP_PIN(1, 25), RCAR_GP_PIN(1, 26),
+};
+static const unsigned int du_sync_mux[] = {
+	DU_HSYNC_MARK, DU_VSYNC_MARK
+};
+static const unsigned int du_disp_pins[] = {
+	/* DISP */
+	RCAR_GP_PIN(2, 1),
+};
+static const unsigned int du_disp_mux[] = {
+	DU_DISP_MARK,
+};
+static const unsigned int du_dotclkin1_pins[] = {
+	/* DOTCLKOUT0 */
+	RCAR_GP_PIN(1, 28),
+};
+static const unsigned int du_dotclkin1_mux[] = {
+	DU_DOTCLKIN1_MARK,
+};
+static const unsigned int du_disp_cde_pins[] = {
+	/* DISP/CDE */
+	RCAR_GP_PIN(1, 28),
+};
+static const unsigned int du_disp_cde_mux[] = {
+	DU_DISP_CDE_MARK,
+};
+static const unsigned int du_cde_pins[] = {
+	/* CDE */
+	RCAR_GP_PIN(1, 29),
+};
+static const unsigned int du_cde_mux[] = {
+	DU_CDE_MARK,
+};
+
 /* - I2C -------------------------------------------------------------------- */
 static const unsigned int i2c0_pins[] = {
 	/* SCL, SDA */
@@ -1568,6 +1649,14 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
 	SH_PFC_PIN_GROUP(can_clk),
 	SH_PFC_PIN_GROUP(canfd0_data),
 	SH_PFC_PIN_GROUP(canfd1_data),
+	SH_PFC_PIN_GROUP(du_rgb666),
+	SH_PFC_PIN_GROUP(du_rgb888),
+	SH_PFC_PIN_GROUP(du_dotclkout0),
+	SH_PFC_PIN_GROUP(du_sync),
+	SH_PFC_PIN_GROUP(du_disp),
+	SH_PFC_PIN_GROUP(du_dotclkin1),
+	SH_PFC_PIN_GROUP(du_disp_cde),
+	SH_PFC_PIN_GROUP(du_cde),
 	SH_PFC_PIN_GROUP(i2c0),
 	SH_PFC_PIN_GROUP(i2c1),
 	SH_PFC_PIN_GROUP(i2c2_a),
@@ -1664,6 +1753,17 @@ static const char * const canfd1_groups[] = {
 	"canfd1_data",
 };
 
+static const char * const du_groups[] = {
+	"du_rgb666",
+	"du_rgb888",
+	"du_dotclk_out_0",
+	"du_sync",
+	"du_disp",
+	"du_dotclk_in_1",
+	"du_disp_cde",
+	"du_cde",
+};
+
 static const char * const i2c0_groups[] = {
 	"i2c0",
 };
@@ -1779,6 +1879,7 @@ static const struct sh_pfc_function pinmux_functions[] = {
 	SH_PFC_FUNCTION(can_clk),
 	SH_PFC_FUNCTION(canfd0),
 	SH_PFC_FUNCTION(canfd1),
+	SH_PFC_FUNCTION(du),
 	SH_PFC_FUNCTION(i2c0),
 	SH_PFC_FUNCTION(i2c1),
 	SH_PFC_FUNCTION(i2c2),
-- 
2.7.4