From 3eb1b39b2415bcb29077c4cbaf4a0cb489b9a50e Mon Sep 17 00:00:00 2001
From: Alexander Stein <alexander.stein@ew.tq-group.com>
Date: Fri, 20 Oct 2023 15:07:55 +0200
Subject: arm64: dts: freescale: Add dual-channel LVDS overlay for TQMa8MPxL

This adds an overlay for the supported LVDS display AUO G133HAN01.
Configure the video PLL frequency to exactly match typical pixel clock of
141.200 MHz.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
 arch/arm64/boot/dts/freescale/Makefile             |  2 +
 .../imx8mp-tqma8mpql-mba8mpxl-lvds-g133han01.dtso  | 77 ++++++++++++++++++++++
 2 files changed, 79 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl-lvds-g133han01.dtso

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index a3c5fc814adb..6d83f84090e1 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -129,7 +129,9 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-wifi-dev.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-wifi-yavia.dtb
 
 imx8mp-tqma8mpql-mba8mpxl-lvds-dtbs += imx8mp-tqma8mpql-mba8mpxl.dtb imx8mp-tqma8mpql-mba8mpxl-lvds.dtbo
+imx8mp-tqma8mpql-mba8mpxl-lvds-g133han01-dtbs += imx8mp-tqma8mpql-mba8mpxl.dtb imx8mp-tqma8mpql-mba8mpxl-lvds-g133han01.dtbo
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mpxl-lvds.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mpxl-lvds-g133han01.dtb
 
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-hummingboard-pulse.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl-lvds-g133han01.dtso b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl-lvds-g133han01.dtso
new file mode 100644
index 000000000000..5058cd9409c7
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl-lvds-g133han01.dtso
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright (c) 2023 TQ-Systems GmbH <linux@ew.tq-group.com>,
+ * D-82229 Seefeld, Germany.
+ * Author: Alexander Stein
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/clock/imx8mp-clock.h>
+
+&{/} {
+	compatible = "tq,imx8mp-tqma8mpql-mba8mpxl", "tq,imx8mp-tqma8mpql", "fsl,imx8mp";
+};
+
+&backlight_lvds {
+	status = "okay";
+};
+
+&display {
+	compatible = "auo,g133han01";
+	status = "okay";
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+			dual-lvds-odd-pixels;
+
+			panel_in_lvds0: endpoint {
+				remote-endpoint = <&ldb_lvds_ch0>;
+			};
+		};
+
+		port@1 {
+			reg = <1>;
+			dual-lvds-even-pixels;
+
+			panel_in_lvds1: endpoint {
+				remote-endpoint = <&ldb_lvds_ch1>;
+			};
+		};
+	};
+};
+
+&lcdif2 {
+	status = "okay";
+};
+
+&lvds_bridge {
+	assigned-clocks = <&clk IMX8MP_CLK_MEDIA_LDB>,
+				 <&clk IMX8MP_VIDEO_PLL1>;
+	assigned-clock-parents = <&clk IMX8MP_VIDEO_PLL1_OUT>;
+	assigned-clock-rates = <0>, <988400000>;
+	status = "okay";
+
+	ports {
+		port@1 {
+			ldb_lvds_ch0: endpoint {
+				remote-endpoint = <&panel_in_lvds0>;
+			};
+		};
+
+		port@2 {
+			ldb_lvds_ch1: endpoint {
+				remote-endpoint = <&panel_in_lvds1>;
+			};
+		};
+	};
+};
+
+&pwm2 {
+	status = "okay";
+};
-- 
cgit