From 98842790e40feda02c9c13a00d5215379fa05c6f Mon Sep 17 00:00:00 2001
From: Alexander Stein <alexander.stein@ew.tq-group.com>
Date: Tue, 8 Apr 2025 11:30:53 +0200
Subject: [PATCH] ARM: dts: ls1021a-tqmals1021a: Add overlay for CDTech DC44
 RGB display

This adds an overlay for the supported RGB display CDTech DC44.
DCU graphics chain is configured accordingly.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
 arch/arm/boot/dts/nxp/ls/Makefile             |  2 +
 ...-tqmls1021a-mbls1021a-rgb-cdtech-dc44.dtso | 55 +++++++++++++++++++
 2 files changed, 57 insertions(+)
 create mode 100644 arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-dc44.dtso

diff --git a/arch/arm/boot/dts/nxp/ls/Makefile b/arch/arm/boot/dts/nxp/ls/Makefile
index 7b97b718ebc1..53240b04c968 100644
--- a/arch/arm/boot/dts/nxp/ls/Makefile
+++ b/arch/arm/boot/dts/nxp/ls/Makefile
@@ -9,7 +9,9 @@ dtb-$(CONFIG_SOC_LS1021A) += \
 
 ls1021a-tqmls1021a-mbls1021a-hdmi-dtbs += ls1021a-tqmls1021a-mbls1021a.dtb ls1021a-tqmls1021a-mbls1021a-hdmi.dtbo
 ls1021a-tqmls1021a-mbls1021a-lvds-tm070jvhg33-dtbs += ls1021a-tqmls1021a-mbls1021a.dtb ls1021a-tqmls1021a-mbls1021a-lvds-tm070jvhg33.dtbo
+ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-dc44-dtbs += ls1021a-tqmls1021a-mbls1021a.dtb ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-dc44.dtbo
 ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-fc21-dtbs += ls1021a-tqmls1021a-mbls1021a.dtb ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-fc21.dtbo
 dtb-$(CONFIG_SOC_LS1021A) += ls1021a-tqmls1021a-mbls1021a-hdmi.dtb
 dtb-$(CONFIG_SOC_LS1021A) += ls1021a-tqmls1021a-mbls1021a-lvds-tm070jvhg33.dtb
+dtb-$(CONFIG_SOC_LS1021A) += ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-dc44.dtb
 dtb-$(CONFIG_SOC_LS1021A) += ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-fc21.dtb
diff --git a/arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-dc44.dtso b/arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-dc44.dtso
new file mode 100644
index 000000000000..146d45601f69
--- /dev/null
+++ b/arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-dc44.dtso
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2013-2014 Freescale Semiconductor, Inc.
+ * Copyright 2018-2025 TQ-Systems GmbH <linux@ew.tq-group.com>,
+ * D-82229 Seefeld, Germany.
+ * Author: Alexander Stein
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/dts-v1/;
+/plugin/;
+
+&backlight_dcu {
+	status = "okay";
+};
+
+&dcu {
+	status = "okay";
+
+	port {
+		dcu_out: endpoint {
+			remote-endpoint = <&panel_in>;
+		};
+	};
+};
+
+&display {
+	compatible = "cdtech,s070swv29hg-dc44";
+	status = "okay";
+};
+
+&i2c0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	polytouch: touchscreen@38 {
+		compatible = "edt,edt-ft5406", "edt,edt-ft5x06";
+		reg = <0x38>;
+		interrupt-parent = <&pca9554_0>;
+		interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
+		/* LCD_PWR_EN -> TSC_WAKE */
+		wake-gpios = <&pca9554_1 4 GPIO_ACTIVE_HIGH>;
+		iovcc-supply = <&reg_3p3v>;
+		vcc-supply = <&reg_3p3v>;
+		gain = <20>;
+		touchscreen-size-x = <800>;
+		touchscreen-size-y = <480>;
+	};
+};
+
+&panel_in {
+	remote-endpoint = <&dcu_out>;
+};
-- 
2.50.1