linux-kernel - [PATCH v2 2/4] arm64: dts: imx8mq-librem5-devkit: Enable the LCD panel

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Date:   Thu, 20 Aug 2020 10:50:57 +0200
From:   Guido Günther <agx@...xcpu.org>
To:     Rob Herring <robh+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Martin Kepplinger <martink@...teo.de>,
        "Angus Ainslie (Purism)" <angus@...ea.ca>,
        Guido Günther <agx@...xcpu.org>,
        Anson Huang <Anson.Huang@....com>, Peng Fan <peng.fan@....com>,
        Dong Aisheng <aisheng.dong@....com>,
        Leonard Crestez <leonard.crestez@....com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Lucas Stach <l.stach@...gutronix.de>,
        Andrey Smirnov <andrew.smirnov@...il.com>,
        Li Jun <jun.li@....com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Li Yang <leoyang.li@....com>, Arnd Bergmann <arnd@...db.de>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Michael Walle <michael@...le.cc>,
        Olof Johansson <olof@...om.net>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/4] arm64: dts: imx8mq-librem5-devkit: Enable the LCD panel

Enable LCD panel output by adding nodes for the NWL DSI host controller,
the Rocktech panel and the eLCDIF display controller.

Signed-off-by: Guido Günther <agx@...xcpu.org>
Reviewed-by: Fabio Estevam <festevam@...il.com>
---
 .../dts/freescale/imx8mq-librem5-devkit.dts   | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
index e7b5c595ceed7..48e22e93a7a74 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
@@ -830,6 +830,39 @@ MX8MQ_IOMUXC_NAND_DATA03_GPIO3_IO9	0x19 /* WWAN_RESET */
 	};
 };
 
+&lcdif {
+	status = "okay";
+};
+
+&mipi_dsi {
+	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	panel@0 {
+		compatible = "rocktech,jh057n00900";
+		reg = <0>;
+		backlight = <&backlight_dsi>;
+		reset-gpios = <&gpio3 13 GPIO_ACTIVE_LOW>;
+		iovcc-supply = <&reg_1v8_p>;
+		vcc-supply = <&reg_2v8_p>;
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&mipi_dsi_out>;
+			};
+		};
+	};
+
+	ports {
+		port@1 {
+			reg = <1>;
+			mipi_dsi_out: endpoint {
+				remote-endpoint = <&panel_in>;
+			};
+		};
+	};
+};
+
 &pgc_gpu {
 	power-supply = <&buck3_reg>;
 };
-- 
2.26.2