From 6975bc28bff9161f0fc8a0a84ea063c71822090c Mon Sep 17 00:00:00 2001
From: Alexander Stein <alexander.stein@ew.tq-group.com>
Date: Tue, 22 Aug 2023 14:08:01 +0200
Subject: [PATCH] arm64: dts: imx8mm-tqma8mqml-mba8mx: Add LVDS overlay

This overlay enables the DSI-LVDS display chain and configures the
actual panel compatible. Also add the DSIM supply voltages.

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        |  4 ++
 ...8mm-tqma8mqml-mba8mx-lvds-tm070jvhg33.dtso | 45 +++++++++++++++++++
 .../boot/dts/freescale/imx8mm-tqma8mqml.dtsi  |  5 +++
 3 files changed, 54 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx-lvds-tm070jvhg33.dtso

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 65faceaa1786b..ef4f17a01f14a 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -82,6 +82,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-verdin-nonwifi-yavia.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mm-verdin-wifi-dahlia.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mm-verdin-wifi-dev.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mm-verdin-wifi-yavia.dtb
+
+imx8mm-tqma8mqml-mba8mx-lvds-tm070jvhg33-dtbs += imx8mm-tqma8mqml-mba8mx.dtb imx8mm-tqma8mqml-mba8mx-lvds-tm070jvhg33.dtbo
+dtb-$(CONFIG_ARCH_MXC) += imx8mm-tqma8mqml-mba8mx-lvds-tm070jvhg33.dtb
+
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-beacon-kit.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-bsh-smm-s2.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-bsh-smm-s2pro.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx-lvds-tm070jvhg33.dtso b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx-lvds-tm070jvhg33.dtso
new file mode 100644
index 0000000000000..e44249c6d8a09
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx-lvds-tm070jvhg33.dtso
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright (c) 2022-2023 TQ-Systems GmbH <linux@ew.tq-group.com>,
+ * D-82229 Seefeld, Germany.
+ * Author: Alexander Stein
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+&{/} {
+	compatible = "tq,imx8mm-tqma8mqml-mba8mx", "tq,imx8mm-tqma8mqml", "fsl,imx8mm";
+};
+
+&backlight_lvds {
+	status = "okay";
+};
+
+&dsi_lvds_bridge {
+	status = "okay";
+};
+
+&expander0 {
+	dsi-mux-oe-hog {
+		gpio-hog;
+		gpios = <10 GPIO_ACTIVE_LOW>;
+		output-high;
+		line-name = "DSI_MUX_OE#";
+	};
+};
+
+&lcdif {
+	status = "okay";
+};
+
+&mipi_dsi {
+       status = "okay";
+};
+
+&panel {
+	compatible = "tianma,tm070jvhg33";
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi
index b4466a26d838a..8c0c6e7159247 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi
@@ -230,6 +230,11 @@
 	};
 };
 
+&mipi_dsi {
+	vddcore-supply = <&ldo4_reg>;
+	vddio-supply = <&ldo3_reg>;
+};
+
 &pcie_phy {
 	fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
 	fsl,clkreq-unsupported;
-- 
2.30.2