[PATCH v3 5/6] arm64: dts: tqma9352-mba93xxla: Add LVDS overlay

Alexander Stein
2025-03-04T15:50:08Z

This adds the overlay for the Tianma TM070JVHG33 LVDS display.

Signed-off-by: Alexander Stein <alexander.stein@ew.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 be6ef4c56fbf4..ac4f14c69cdd8 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -300,6 +300,9 @@ 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@ew.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