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From:   Alistair Francis <alistair@alistair23.me>
To:     kernel@pengutronix.de, s.hauer@pengutronix.de, linux-imx@nxp.com,
        shawnguo@kernel.org
Cc:     linux-arm-kernel@lists.infradead.org, alistair23@gmail.com,
        linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org,
        linux-pm@vger.kernel.org, andreas@kemnade.info,
        Alistair Francis <alistair@alistair23.me>
Subject: [PATCH v19 3/3] ARM: dts: imx7d-remarkable2: Enable lcdif
Date:   Sun, 27 Feb 2022 22:44:25 +1000
Message-Id: <20220227124425.331030-4-alistair@alistair23.me>
In-Reply-To: <20220227124425.331030-1-alistair@alistair23.me>
References: <20220227124425.331030-1-alistair@alistair23.me>
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Connect the dispaly on the reMarkable2.

Signed-off-by: Alistair Francis <alistair@alistair23.me>
---
 arch/arm/boot/dts/imx7d-remarkable2.dts | 74 +++++++++++++++++++++++++
 1 file changed, 74 insertions(+)

diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts
index 99ac0d242936..03a4029e1e57 100644
--- a/arch/arm/boot/dts/imx7d-remarkable2.dts
+++ b/arch/arm/boot/dts/imx7d-remarkable2.dts
@@ -68,6 +68,16 @@ reg_digitizer: regulator-digitizer {
 		startup-delay-us = <100000>; /* 100 ms */
 	};
 
+	reg_sdoe: regulator-sdoe {
+		compatible = "regulator-fixed";
+		regulator-name = "SDOE";
+		pinctrl-names = "default", "sleep";
+		pinctrl-0 = <&pinctrl_sdoe_reg>;
+		pinctrl-1 = <&pinctrl_sdoe_reg>;
+		gpio = <&gpio3 27 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
 	wifi_pwrseq: wifi_pwrseq {
 		compatible = "mmc-pwrseq-simple";
 		pinctrl-names = "default";
@@ -76,6 +86,16 @@ wifi_pwrseq: wifi_pwrseq {
 		clocks = <&clks IMX7D_CLKO2_ROOT_DIV>;
 		clock-names = "ext_clock";
 	};
+
+	panel {
+		compatible = "eink,vb3300-kca";
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&display_out>;
+			};
+		};
+	};
 };
 
 &clks {
@@ -132,6 +152,20 @@ reg_epdpmic: vcom {
 	};
 };
 
+&lcdif {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lcdif>;
+	lcd-supply = <&reg_epdpmic>;
+	lcd2-supply = <&reg_sdoe>;
+	status = "okay";
+
+	port {
+		display_out: endpoint {
+			remote-endpoint = <&panel_in>;
+		};
+	};
+};
+
 &snvs_pwrkey {
 	status = "okay";
 };
@@ -246,6 +280,46 @@ 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_sdoe_reg: sdoereggrp {
+		fsl,pins = <
+			MX7D_PAD_LCD_DATA22__GPIO3_IO27		0x74
+		>;
+	};
+
 	pinctrl_uart1: uart1grp {
 		fsl,pins = <
 			MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX	0x79
-- 
2.34.1