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Date:   Fri, 27 Apr 2018 17:57:13 +0100
From:   Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
To:     linux-renesas-soc@...r.kernel.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        dri-devel@...ts.freedesktop.org
Cc:     Takeshi Kihara <takeshi.kihara.df@...esas.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-gpio@...r.kernel.org (open list:PIN CONTROL SUBSYSTEM),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v2 02/11] pinctrl: sh-pfc: r8a77965: Add DU RGB output pins, groups and functions

This patch adds pins, groups and functions for parallel RGB output
signals from DU. The HDMI and TCON pins are added to separate groups.

Based on a similar patch of the R8A7796 PFC driver by Niklas Söderlund
<niklas.soderlund+renesas@...natech.se>.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@...esas.com>
[Kieran: Rebase on top of tree]
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
---
 drivers/pinctrl/sh-pfc/pfc-r8a77965.c | 116 ++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)

diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a77965.c b/drivers/pinctrl/sh-pfc/pfc-r8a77965.c
index 3771b2d10f39..f5a37d3ea753 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a77965.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a77965.c
@@ -1662,6 +1662,102 @@ static const unsigned int avb_avtp_capture_b_mux[] = {
 	AVB_AVTP_CAPTURE_B_MARK,
 };
 
+/* - DU --------------------------------------------------------------------- */
+static const unsigned int du_rgb666_pins[] = {
+	/* R[7:2], G[7:2], B[7:2] */
+	RCAR_GP_PIN(0, 15), RCAR_GP_PIN(0, 14), RCAR_GP_PIN(0, 13),
+	RCAR_GP_PIN(0, 12), RCAR_GP_PIN(0, 11), RCAR_GP_PIN(0, 10),
+	RCAR_GP_PIN(1, 15), RCAR_GP_PIN(1, 14), RCAR_GP_PIN(1, 13),
+	RCAR_GP_PIN(1, 12), RCAR_GP_PIN(1, 19), RCAR_GP_PIN(1, 18),
+	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(0, 15), RCAR_GP_PIN(0, 14), RCAR_GP_PIN(0, 13),
+	RCAR_GP_PIN(0, 12), RCAR_GP_PIN(0, 11), RCAR_GP_PIN(0, 10),
+	RCAR_GP_PIN(0, 9),  RCAR_GP_PIN(0, 8),
+	RCAR_GP_PIN(1, 15), RCAR_GP_PIN(1, 14), RCAR_GP_PIN(1, 13),
+	RCAR_GP_PIN(1, 12), RCAR_GP_PIN(1, 19), RCAR_GP_PIN(1, 18),
+	RCAR_GP_PIN(1, 17), RCAR_GP_PIN(1, 16),
+	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_clk_out_0_pins[] = {
+	/* CLKOUT */
+	RCAR_GP_PIN(1, 27),
+};
+
+static const unsigned int du_clk_out_0_mux[] = {
+	DU_DOTCLKOUT0_MARK
+};
+
+static const unsigned int du_clk_out_1_pins[] = {
+	/* CLKOUT */
+	RCAR_GP_PIN(2, 3),
+};
+
+static const unsigned int du_clk_out_1_mux[] = {
+	DU_DOTCLKOUT1_MARK
+};
+
+static const unsigned int du_sync_pins[] = {
+	/* EXVSYNC/VSYNC, EXHSYNC/HSYNC */
+	RCAR_GP_PIN(2, 5), RCAR_GP_PIN(2, 4),
+};
+
+static const unsigned int du_sync_mux[] = {
+	DU_EXVSYNC_DU_VSYNC_MARK, DU_EXHSYNC_DU_HSYNC_MARK
+};
+
+static const unsigned int du_oddf_pins[] = {
+	/* EXDISP/EXODDF/EXCDE */
+	RCAR_GP_PIN(2, 2),
+};
+
+static const unsigned int du_oddf_mux[] = {
+	DU_EXODDF_DU_ODDF_DISP_CDE_MARK,
+};
+
+static const unsigned int du_cde_pins[] = {
+	/* CDE */
+	RCAR_GP_PIN(2, 0),
+};
+
+static const unsigned int du_cde_mux[] = {
+	DU_CDE_MARK,
+};
+
+static const unsigned int du_disp_pins[] = {
+	/* DISP */
+	RCAR_GP_PIN(2, 1),
+};
+
+static const unsigned int du_disp_mux[] = {
+	DU_DISP_MARK,
+};
+
 /* - INTC-EX ---------------------------------------------------------------- */
 static const unsigned int intc_ex_irq0_pins[] = {
 	/* IRQ0 */
@@ -2756,6 +2852,14 @@ 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(du_rgb666),
+	SH_PFC_PIN_GROUP(du_rgb888),
+	SH_PFC_PIN_GROUP(du_clk_out_0),
+	SH_PFC_PIN_GROUP(du_clk_out_1),
+	SH_PFC_PIN_GROUP(du_sync),
+	SH_PFC_PIN_GROUP(du_oddf),
+	SH_PFC_PIN_GROUP(du_cde),
+	SH_PFC_PIN_GROUP(du_disp),
 	SH_PFC_PIN_GROUP(intc_ex_irq0),
 	SH_PFC_PIN_GROUP(intc_ex_irq1),
 	SH_PFC_PIN_GROUP(intc_ex_irq2),
@@ -2922,6 +3026,17 @@ static const char * const avb_groups[] = {
 	"avb_avtp_capture_b",
 };
 
+static const char * const du_groups[] = {
+	"du_rgb666",
+	"du_rgb888",
+	"du_clk_out_0",
+	"du_clk_out_1",
+	"du_sync",
+	"du_oddf",
+	"du_cde",
+	"du_disp",
+};
+
 static const char * const intc_ex_groups[] = {
 	"intc_ex_irq0",
 	"intc_ex_irq1",
@@ -3139,6 +3254,7 @@ static const char * const usb30_groups[] = {
 
 static const struct sh_pfc_function pinmux_functions[] = {
 	SH_PFC_FUNCTION(avb),
+	SH_PFC_FUNCTION(du),
 	SH_PFC_FUNCTION(intc_ex),
 	SH_PFC_FUNCTION(msiof0),
 	SH_PFC_FUNCTION(msiof1),
-- 
2.17.0

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