linux-kernel - [PATCH v2 5/6] arm64: dts: tqma9352-mba93xxla: Add LVDS overlay

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Message-ID: <20250224142831.485159-6-alexander.stein@ew.tq-group.com>
Date: Mon, 24 Feb 2025 15:28:26 +0100
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Abel Vesa <abelvesa@...nel.org>,
	Peng Fan <peng.fan@....com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Ulf Hansson <ulf.hansson@...aro.org>
Cc: Alexander Stein <alexander.stein@...tq-group.com>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux@...tq-group.com,
	linux-clk@...r.kernel.org,
	linux-pm@...r.kernel.org
Subject: [PATCH v2 5/6] arm64: dts: tqma9352-mba93xxla: Add LVDS overlay

This adds the overlay for the Tianma TM070JVHG33 LVDS display.

Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
---
 arch/arm64/boot/dts/freescale/Makefile        |  3 ++
 ...3-tqma9352-mba93xxla-lvds-tm070jvhg33.dtso | 40 +++++++++++++++++++
 .../freescale/imx93-tqma9352-mba93xxla.dts    | 27 +++++++++++++
 3 files changed, 70 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla-lvds-tm070jvhg33.dtso

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 839432153cc7a..0af5eb771cd20 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -283,6 +283,9 @@ dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxla.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-var-som-symphony.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx95-19x19-evk.dtb
 
+imx93-tqma9352-mba93xxla-lvds-tm070jvhg33-dtbs += imx93-tqma9352-mba93xxla.dtb imx93-tqma9352-mba93xxla-lvds-tm070jvhg33.dtbo
+dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxla-lvds-tm070jvhg33.dtb
+
 imx8mm-kontron-dl-dtbs			:= imx8mm-kontron-bl.dtb imx8mm-kontron-dl.dtbo
 
 dtb-$(CONFIG_ARCH_MXC) += imx8mm-kontron-dl.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla-lvds-tm070jvhg33.dtso b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla-lvds-tm070jvhg33.dtso
new file mode 100644
index 0000000000000..c723a19f03d63
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla-lvds-tm070jvhg33.dtso
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright (c) 2023 TQ-Systems GmbH <linux@...tq-group.com>,
+ * D-82229 Seefeld, Germany.
+ * Author: Alexander Stein
+ */
+
+#include <dt-bindings/clock/imx93-clock.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/dts-v1/;
+/plugin/;
+
+&backlight_lvds {
+	status = "okay";
+};
+
+&display {
+	compatible = "tianma,tm070jvhg33";
+	status = "okay";
+};
+
+&lcdif {
+	assigned-clocks = <&clk IMX93_CLK_VIDEO_PLL>,
+			  <&clk IMX93_CLK_MEDIA_DISP_PIX>;
+	assigned-clock-rates = <477400000>;
+	status = "okay";
+};
+
+&lvds_bridge {
+	status = "okay";
+};
+
+&media_blk_ctrl {
+	status = "okay";
+};
+
+&tpm5 {
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla.dts b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla.dts
index 9e88c42c3d170..4618f836345fc 100644
--- a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla.dts
@@ -48,6 +48,23 @@ clk_dp: clk-dp {
 		clock-frequency = <26000000>;
 	};
 
+	display: display {
+		/*
+		 * Display is not fixed, so compatible has to be added from
+		 * DT overlay
+		 */
+		power-supply = <&reg_3v3>;
+		enable-gpios = <&expander2 1 GPIO_ACTIVE_HIGH>;
+		backlight = <&backlight_lvds>;
+		status = "disabled";
+
+		port {
+			panel_in_lvds0: endpoint {
+				remote-endpoint = <&ldb_lvds>;
+			};
+		};
+	};
+
 	gpio-keys {
 		compatible = "gpio-keys";
 		autorepeat;
@@ -509,6 +526,16 @@ &lpuart8 {
 	status = "okay";
 };
 
+&lvds_bridge {
+	ports {
+		port@1 {
+			ldb_lvds: endpoint {
+				remote-endpoint = <&panel_in_lvds0>;
+			};
+		};
+	};
+};
+
 &pcf85063 {
 	/* RTC_EVENT# from SoM is connected on mainboard */
 	pinctrl-names = "default";
-- 
2.43.0