[PATCH v5 4/4] arm64: dts: freescale: Add dual-channel LVDS overlay for TQMa8MPxS
Alexander Stein
alexander.stein at ew.tq-group.com
Mon Jun 8 07:21:33 PDT 2026
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 at ew.tq-group.com>
---
Changes in v5:
* Fix dtbs_check warnings by adding reg property
arch/arm64/boot/dts/freescale/Makefile | 2 +
...p-tqma8mpqs-mb-smarc-2-lvds-g133han01.dtso | 81 +++++++++++++++++++
2 files changed, 83 insertions(+)
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-tqma8mpqs-mb-smarc-2-lvds-g133han01.dtso
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 2f4568e7105f4..0c390ef6f7571 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -498,8 +498,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mp-ras314-imx219.dtbo
dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mp-ras314-lvds-tm070jvhg33.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mp-ras314-lvds-tm070jvhg33-imx219.dtb
+imx8mp-tqma8mpqs-mb-smarc-2-lvds-g133han01-dtbs += imx8mp-tqma8mpqs-mb-smarc-2.dtb imx8mp-tqma8mpqs-mb-smarc-2-lvds-g133han01.dtbo
imx8mp-tqma8mpqs-mb-smarc-2-lvds0-tm070jvhg33-dtbs += imx8mp-tqma8mpqs-mb-smarc-2.dtb imx8mp-tqma8mpqs-mb-smarc-2-lvds0-tm070jvhg33.dtbo
imx8mp-tqma8mpqs-mb-smarc-2-lvds1-tm070jvhg33-dtbs += imx8mp-tqma8mpqs-mb-smarc-2.dtb imx8mp-tqma8mpqs-mb-smarc-2-lvds1-tm070jvhg33.dtbo
+dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpqs-mb-smarc-2-lvds-g133han01.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpqs-mb-smarc-2-lvds0-tm070jvhg33.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpqs-mb-smarc-2-lvds1-tm070jvhg33.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpqs-mb-smarc-2-lvds-g133han01.dtso b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpqs-mb-smarc-2-lvds-g133han01.dtso
new file mode 100644
index 0000000000000..2d2dfda944faa
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpqs-mb-smarc-2-lvds-g133han01.dtso
@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright (c) 2025-2026 TQ-Systems GmbH <linux at ew.tq-group.com>,
+ * D-82229 Seefeld, Germany.
+ * Author: Martin Schmiedel
+ */
+
+/dts-v1/;
+/plugin/;
+
+&backlight_lvds0 {
+ status = "okay";
+};
+
+&panel_lvds0 {
+ compatible = "auo,g133han01";
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port at 0 {
+ reg = <0>;
+ dual-lvds-odd-pixels;
+
+ panel_in_lvds0: endpoint {
+ remote-endpoint = <&ldb_lvds_ch0>;
+ };
+ };
+
+ port at 1 {
+ reg = <1>;
+ dual-lvds-even-pixels;
+
+ panel_in_lvds1: endpoint {
+ remote-endpoint = <&ldb_lvds_ch1>;
+ };
+ };
+ };
+};
+
+&lcdif2 {
+ status = "okay";
+};
+
+&lvds_bridge {
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port at 1 {
+ reg = <1>;
+
+ ldb_lvds_ch0: endpoint {
+ remote-endpoint = <&panel_in_lvds0>;
+ };
+ };
+
+ port at 2 {
+ reg = <2>;
+
+ ldb_lvds_ch1: endpoint {
+ remote-endpoint = <&panel_in_lvds1>;
+ };
+ };
+ };
+};
+
+// Update VIDEO_PLL1 frequency
+&media_blk_ctrl {
+ assigned-clock-rates = <500000000>, <200000000>,
+ <0>, <0>, <500000000>,
+ <988400000>;
+};
+
+&pwm3 {
+ status = "okay";
+};
--
2.54.0
More information about the linux-arm-kernel
mailing list