linux-kernel - [PATCH 6/6] arch/arm: reMarkable2: Enable lcdif

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Message-Id: <20210117042539.1609-6-alistair@alistair23.me>
Date:   Sat, 16 Jan 2021 20:25:39 -0800
From:   Alistair Francis <alistair@...stair23.me>
To:     lee.jones@...aro.org, robh+dt@...nel.org, lgirdwood@...il.com,
        broonie@...nel.org, linux-imx@....com, kernel@...gutronix.de
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        alistair23@...il.com, Alistair Francis <alistair@...stair23.me>
Subject: [PATCH 6/6] arch/arm: reMarkable2: Enable lcdif

Connect the dispaly on the reMarkable2.

Signed-off-by: Alistair Francis <alistair@...stair23.me>
---
 arch/arm/boot/dts/imx7d-remarkable2.dts | 70 +++++++++++++++++++++++++
 1 file changed, 70 insertions(+)

diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts
index f419ab704f06..d4e93f7ca7ea 100644
--- a/arch/arm/boot/dts/imx7d-remarkable2.dts
+++ b/arch/arm/boot/dts/imx7d-remarkable2.dts
@@ -221,6 +221,42 @@ reg_epdpmic: vcom {
 	};
 };
 
+&lcdif {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&pinctrl_lcdif>;
+	pinctrl-1 = <&pinctrl_lcdif>;
+	lcd-supply = <&reg_epdpmic>;
+	lcd2-supply = <&reg_sdoe>;
+	display = <&display0>;
+	prevent-frying-pan;
+	status = "okay";
+
+	display0: display {
+		bits-per-pixel = <24>;
+		bus-width = <24>;
+
+		display-timings {
+			native-mode = <&timing0>;
+
+			timing0: timing0 {
+				clock-frequency = <40000000>;
+				hactive = <334>;
+				vactive = <1405>;
+				hfront-porch = <1>;
+				hback-porch = <1>;
+				hsync-len = <1>;
+				vback-porch = <1>;
+				vfront-porch = <1>;
+				vsync-len = <1>;
+				hsync-active = <0>;
+				vsync-active = <0>;
+				de-active = <1>;
+				pixelclk-active = <1>;
+			};
+		};
+	};
+};
+
 &sdma {
 	status = "okay";
 };
@@ -331,6 +367,40 @@ MX7D_PAD_I2C4_SCL__I2C4_SCL		0x4000007f
 		>;
 	};
 
+	pinctrl_lcdif: lcdifgrp {
+		fsl,pins = <
+			MX7D_PAD_LCD_DATA00__LCD_DATA0		0x79
+			MX7D_PAD_LCD_DATA01__LCD_DATA1		0x79
+			MX7D_PAD_LCD_DATA02__LCD_DATA2		0x79
+			MX7D_PAD_LCD_DATA03__LCD_DATA3		0x79
+			MX7D_PAD_LCD_DATA04__LCD_DATA4		0x79
+			MX7D_PAD_LCD_DATA05__LCD_DATA5		0x79
+			MX7D_PAD_LCD_DATA06__LCD_DATA6		0x79
+			MX7D_PAD_LCD_DATA07__LCD_DATA7		0x79
+			MX7D_PAD_LCD_DATA08__LCD_DATA8		0x79
+			MX7D_PAD_LCD_DATA09__LCD_DATA9		0x79
+			MX7D_PAD_LCD_DATA10__LCD_DATA10		0x79
+			MX7D_PAD_LCD_DATA11__LCD_DATA11		0x79
+			MX7D_PAD_LCD_DATA12__LCD_DATA12		0x79
+			MX7D_PAD_LCD_DATA13__LCD_DATA13		0x79
+			MX7D_PAD_LCD_DATA14__LCD_DATA14		0x79
+			MX7D_PAD_LCD_DATA15__LCD_DATA15		0x79
+
+			MX7D_PAD_LCD_DATA17__LCD_DATA17		0x79
+			MX7D_PAD_LCD_DATA18__LCD_DATA18		0x79
+			MX7D_PAD_LCD_DATA19__LCD_DATA19		0x79
+			MX7D_PAD_LCD_DATA20__LCD_DATA20		0x79
+			MX7D_PAD_LCD_DATA21__LCD_DATA21		0x79
+
+			MX7D_PAD_LCD_DATA23__LCD_DATA23		0x79
+			MX7D_PAD_LCD_CLK__LCD_CLK		0x79
+			MX7D_PAD_LCD_ENABLE__LCD_ENABLE		0x79
+			MX7D_PAD_LCD_VSYNC__LCD_VSYNC		0x79
+			MX7D_PAD_LCD_HSYNC__LCD_HSYNC		0x79
+			MX7D_PAD_LCD_RESET__LCD_RESET		0x79
+		>;
+	};
+
 	pinctrl_uart1: uart1grp {
 		fsl,pins = <
 			MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX	0x79
-- 
2.29.2