ARM64: dts: colibri-imx8qxp: add lvds example device trees

This commit adds two example device trees for how to enable LVDS on a
Colibri-iMX8X. It only enables also UART and Ethernet otherwise.

Related-to: SSP-6
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>

3 files changed, 205 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 51a1301f3254..9e8d7381fa9b 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -171,6 +171,8 @@ dtb-$(CONFIG_ARCH_MXC) += imx8qxp-mek.dtb imx8qxp-mek-dsp.dtb imx8qxp-mek-ov5640
 			  imx8qxp-colibri-aster.dtb \
 			  imx8qxp-colibri-dsihdmi-eval-v3.dtb \
 			  imx8qxp-colibri-eval-v3.dtb \
+			  imx8qxp-colibri-lvds-single-channel.dtb \
+			  imx8qxp-colibri-lvds-dual-channel.dtb \
 			  imx8qxp-apalis-eval.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8qxp-mek-dom0.dtb imx8qxp-mek-root.dtb \
 			  imx8qxp-mek-inmate.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-colibri-lvds-dual-channel.dts b/arch/arm64/boot/dts/freescale/imx8qxp-colibri-lvds-dual-channel.dts
new file mode 100644
index 000000000000..1cd7e3038ba9
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8qxp-colibri-lvds-dual-channel.dts
@@ -0,0 +1,102 @@
+// SPDX-License-Identifier: GPL-2.0+ OR X11
+/*
+ * Copyright 2018-2020 Toradex
+ */
+
+/dts-v1/;
+
+#include "imx8qxp-colibri.dtsi"
+
+/ {
+	model = "Toradex Colibri iMX8QXP/DX on LVDS Embedded World Demo";
+	compatible = "toradex,colibri-imx8x-lvds-demo",
+		     "toradex,colibri-imx8x",
+		     "fsl,imx8qxp";
+
+	panel_lvds: panel-lvds {
+		compatible = "panel-lvds";
+		backlight = <&backlight>;
+		status = "okay";
+
+		panel-timing {
+			clock-frequency = <138500000>;
+			hactive = <1920>;
+			vactive = <1080>;
+			hback-porch = <80>;
+			hfront-porch = <48>;
+			vback-porch = <23>;
+			vfront-porch = <3>;
+			hsync-len = <32>;
+			vsync-len = <5>;
+			hsync-active = <0>;
+			vsync-active = <0>;
+			pixelclk-active = <0>;
+		};
+
+		port {
+			panel_lvds_in: endpoint {
+				remote-endpoint = <&lvds0_out>;
+			};
+		};
+	};
+};
+
+&adma_pwm {
+	status = "okay";
+};
+
+&adma_pwm_lpcg {
+	status = "okay";
+};
+
+&backlight {
+	pinctrl-0 = <&pinctrl_gpio_hpd>;
+	enable-gpios = <&lsio_gpio1 31 GPIO_ACTIVE_HIGH>; /* Colibri BL_ON */
+	status = "okay";
+};
+
+/* Colibri FastEthernet */
+&fec1 {
+	status = "okay";
+};
+
+&ldb1 {
+	fsl,dual-channel;
+	status = "okay";
+
+	lvds-channel@0 {
+		 fsl,data-mapping = "jeida";
+		 fsl,data-width = <24>;
+		 status = "okay";
+
+		 port@1 {
+			  reg = <1>;
+
+			  lvds0_out: endpoint {
+				   remote-endpoint = <&panel_lvds_in>;
+			  };
+		 };
+	};
+};
+
+&ldb1_phy {
+	status = "okay";
+};
+
+&ldb2 {
+	status = "disabled";
+};
+
+&ldb2_phy {
+	status = "okay";
+};
+
+/* Colibri UART_A */
+&lpuart3 {
+	status= "okay";
+};
+
+&mipi0_dphy {
+	status = "okay";
+};
+
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-colibri-lvds-single-channel.dts b/arch/arm64/boot/dts/freescale/imx8qxp-colibri-lvds-single-channel.dts
new file mode 100644
index 000000000000..ebe216349171
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8qxp-colibri-lvds-single-channel.dts
@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: GPL-2.0+ OR X11
+/*
+ * Copyright 2018-2020 Toradex
+ */
+
+/dts-v1/;
+
+#include "imx8qxp-colibri.dtsi"
+
+/ {
+	model = "Toradex Colibri iMX8QXP/DX on LVDS Embedded World Demo";
+	compatible = "toradex,colibri-imx8x-lvds-demo",
+		     "toradex,colibri-imx8x",
+		     "fsl,imx8qxp";
+
+	panel_lvds: panel-lvds {
+		compatible = "panel-lvds";
+		backlight = <&backlight>;
+		data-mapping = "vesa-24";
+		width-mm = <217>;
+		height-mm = <136>;
+
+		status = "okay";
+
+		panel-timing {
+			clock-frequency = <68930000>;
+			hactive = <1280>;
+			vactive = <800>;
+			hback-porch = <64>;
+			hfront-porch = <64>;
+			vback-porch = <5>;
+			vfront-porch = <5>;
+			hsync-len = <40>;
+			vsync-len = <6>;
+			hsync-active = <0>;
+			vsync-active = <0>;
+			pixelclk-active = <0>;
+		};
+
+		port {
+			panel_lvds_in: endpoint {
+				remote-endpoint = <&lvds0_out>;
+			};
+		};
+	};
+};
+
+&adma_pwm {
+	status = "okay";
+};
+
+&adma_pwm_lpcg {
+	status = "okay";
+};
+
+&backlight {
+	pinctrl-0 = <&pinctrl_gpio_hpd>;
+	enable-gpios = <&lsio_gpio1 31 GPIO_ACTIVE_HIGH>; /* Colibri BL_ON */
+	status = "okay";
+};
+
+/* Colibri FastEthernet */
+&fec1 {
+	status = "okay";
+};
+
+&ldb1 {
+	status = "okay";
+
+	lvds-channel@0 {
+		 fsl,data-mapping = "spwg";
+		 fsl,data-width = <24>;
+		 status = "okay";
+
+		 port@1 {
+			  reg = <1>;
+
+			  lvds0_out: endpoint {
+				   remote-endpoint = <&panel_lvds_in>;
+			  };
+		 };
+	};
+};
+
+&ldb1_phy {
+	status = "okay";
+};
+
+&ldb2 {
+	status = "disabled";
+};
+
+/* Colibri UART_A */
+&lpuart3 {
+	status= "okay";
+};
+
+&mipi0_dphy {
+	status = "okay";
+};
+