From 3105caf4403193dbb7de9c4afe4e75d6290d4182 Mon Sep 17 00:00:00 2001
From: Laurentiu Palcu <laurentiu.palcu@nxp.com>
Date: Fri, 20 Sep 2019 13:06:41 +0300
Subject: [PATCH] dts: arm64: add dts for DCSS and rm67191

This DTS will be needed for the following display pipeline:

DCSS + MIPI_DSI + RM67191

Signed-off-by: Laurentiu Palcu <laurentiu.palcu@nxp.com>
---
 arch/arm64/boot/dts/freescale/Makefile        |   1 +
 .../dts/freescale/imx8mq-evk-dcss-rm67191.dts | 101 ++++++++++++++++++
 2 files changed, 102 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mq-evk-dcss-rm67191.dts

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 8bc9769601d3..be3097e5c394 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -42,6 +42,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk-ak4497.dtb imx8mq-evk-audio-tdm.dtb imx8mq-
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk-root.dtb imx8mq-evk-inmate.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk-lcdif-rm67191.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-hummingboard-pulse.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk-dcss-rm67191.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-librem5-devkit.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-librem5-r2.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-librem5-r3.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk-dcss-rm67191.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk-dcss-rm67191.dts
new file mode 100644
index 000000000000..d33c82e9e4ec
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mq-evk-dcss-rm67191.dts
@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2019 NXP.
+ */
+
+#include "imx8mq-evk.dts"
+
+&irqsteer {
+	status = "okay";
+};
+
+&hdmi {
+	status = "disabled";
+};
+
+&lcdif {
+	status = "disabled";
+};
+
+&dcss {
+	status = "okay";
+
+	clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>,
+		 <&clk IMX8MQ_CLK_DISP_AXI_ROOT>,
+		 <&clk IMX8MQ_CLK_DISP_RTRM_ROOT>,
+		 <&clk IMX8MQ_CLK_DC_PIXEL>,
+		 <&clk IMX8MQ_CLK_DISP_DTRC>;
+	clock-names = "apb", "axi", "rtrm", "pix", "dtrc";
+	assigned-clocks = <&clk IMX8MQ_CLK_DC_PIXEL>,
+					  <&clk IMX8MQ_VIDEO_PLL1_BYPASS>,
+					  <&clk IMX8MQ_VIDEO_PLL1_REF_SEL>,
+					  <&clk IMX8MQ_CLK_DISP_AXI>,
+					  <&clk IMX8MQ_CLK_DISP_RTRM>;
+	assigned-clock-parents = <&clk IMX8MQ_VIDEO_PLL1_OUT>,
+							 <&clk IMX8MQ_VIDEO_PLL1>,
+							 <&clk IMX8MQ_CLK_27M>,
+							 <&clk IMX8MQ_SYS1_PLL_800M>,
+							 <&clk IMX8MQ_SYS1_PLL_800M>;
+	assigned-clock-rates = <600000000>, <0>, <0>,
+						   <800000000>,
+						   <400000000>;
+
+	port@0 {
+		dcss_out: endpoint {
+			remote-endpoint = <&mipi_dsi_in>;
+		};
+	};
+};
+
+&mipi_dsi {
+	status = "okay";
+	fsl,clock-drop-level = <2>;
+
+	panel@0 {
+		compatible = "raydium,rm67191";
+		reg = <0>;
+		pinctrl-0 = <&pinctrl_mipi_dsi_en>;
+		pinctrl-names = "default";
+		reset-gpios = <&gpio5 6 GPIO_ACTIVE_LOW>;
+		dsi-lanes = <4>;
+		video-mode = <2>;
+		width-mm = <68>;
+		height-mm = <121>;
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&mipi_dsi_out>;
+			};
+		};
+	};
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+			mipi_dsi_in: endpoint {
+				remote-endpoint = <&dcss_out>;
+			};
+		};
+
+		port@1 {
+			reg = <1>;
+			mipi_dsi_out: endpoint {
+				remote-endpoint = <&panel_in>;
+			};
+		};
+	};
+};
+
+&dphy {
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl_mipi_dsi_en: mipi_dsi_en {
+		fsl,pins = <
+			MX8MQ_IOMUXC_ECSPI1_SCLK_GPIO5_IO6	0x16
+		>;
+	};
+};
-- 
2.17.1