linux-kernel - [PATCH v3 09/10] arm: dts: stm32: add display for STM32F769 disco board

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Date:   Tue, 13 Mar 2018 14:50:12 +0100
From:   yannick fertre <yannick.fertre@...com>
To:     Vikas Manocha <vikas.manocha@...com>,
        Tom Rini <trini@...sulko.com>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        Yannick Fertre <yannick.fertre@...com>,
        Philippe Cornu <philippe.cornu@...com>,
        "Patrice Chotard" <patrice.chotard@...com>,
        Patrick DELAUNAY <patrick.delaunay@...com>,
        Christophe KERELLO <christophe.kerello@...com>,
        Archit Taneja <architt@...eaurora.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        "Laurent Pinchart" <Laurent.pinchart@...asonboard.com>,
        David Airlie <airlied@...ux.ie>,
        Brian Norris <briannorris@...omium.org>,
        Bhumika Goyal <bhumirks@...il.com>,
        Gustavo Padovan <gustavo@...ovan.org>,
        "Maarten Lankhorst" <maarten.lankhorst@...ux.intel.com>,
        Sean Paul <seanpaul@...omium.org>,
        Albert Aribaud <albert.u.boot@...baud.net>,
        "Simon Glass" <sjg@...omium.org>,
        Anatolij Gustschin <agust@...x.de>,
        Thierry Reding <thierry.reding@...il.com>
CC:     <u-boot@...ts.denx.de>, <dri-devel@...ts.freedesktop.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v3 09/10] arm: dts: stm32: add display for STM32F769 disco board

Enable the display controller, mipi dsi bridge & panel.
Set panel display timings.

Signed-off-by: yannick fertre <yannick.fertre@...com>
---
 arch/arm/dts/stm32f769-disco.dts | 71 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)

diff --git a/arch/arm/dts/stm32f769-disco.dts b/arch/arm/dts/stm32f769-disco.dts
index 59c9d31..82985b9 100644
--- a/arch/arm/dts/stm32f769-disco.dts
+++ b/arch/arm/dts/stm32f769-disco.dts
@@ -42,6 +42,7 @@
 
 /dts-v1/;
 #include "stm32f746.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/memory/stm32-sdram.h>
 
 / {
@@ -264,3 +265,73 @@
 	bus-width = <4>;
 	max-frequency = <25000000>;
 };
+
+&ltdc {
+	status = "okay";
+
+	port {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ltdc_out_dsi: endpoint@0 {
+			reg = <0>;
+			remote-endpoint = <&dsi_in>;
+		};
+	};
+};
+
+&dsi {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+			dsi_in: endpoint {
+				remote-endpoint = <&ltdc_out_dsi>;
+			};
+		};
+
+		port@1 {
+			reg = <1>;
+			dsi_out: endpoint {
+				remote-endpoint = <&dsi_panel_in>;
+			};
+		};
+	};
+
+	panel-dsi@0 {
+		compatible = "orisetech,otm8009a";
+		reg = <0>; /* dsi virtual channel (0..3) */
+		reset-gpios = <&gpioj 15 GPIO_ACTIVE_LOW>;
+		status = "okay";
+
+		port {
+			dsi_panel_in: endpoint {
+				remote-endpoint = <&dsi_out>;
+			};
+		};
+
+		display-timings {
+			timing@0 {
+				clock-frequency = <32729000>;
+				hactive = <480>;
+				hfront-porch = <120>;
+				hback-porch = <63>;
+				hsync-len = <120>;
+				vactive = <800>;
+				vfront-porch = <12>;
+				vback-porch = <12>;
+				vsync-len = <12>;
+				hsync-active = <0>;
+				vsync-active = <0>;
+				de-active = <0>;
+				pixelclk-active = <1>;
+			};
+		};
+	};
+};
-- 
1.9.1