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-rw-r--r--arch/arm64/boot/dts/renesas/hihope-rzg2-ex-lvds.dtsi52
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diff --git a/arch/arm64/boot/dts/renesas/hihope-rzg2-ex-lvds.dtsi b/arch/arm64/boot/dts/renesas/hihope-rzg2-ex-lvds.dtsi
new file mode 100644
index 000000000..d66d17e34
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/hihope-rzg2-ex-lvds.dtsi
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the RZ/G2[MN] HiHope sub board LVDS common parts
+ *
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ */
+
+/ {
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm0 0 50000>;
+
+ brightness-levels = <0 2 8 16 32 64 128 255>;
+ default-brightness-level = <6>;
+ };
+};
+
+&gpio1 {
+ /*
+ * When GP1_20 is LOW LVDS0 is connected to the LVDS connector
+ * When GP1_20 is HIGH LVDS0 is connected to the LT8918L
+ */
+ lvds-connector-en-hog {
+ gpio-hog;
+ gpios = <20 GPIO_ACTIVE_HIGH>;
+ output-low;
+ line-name = "lvds-connector-en-gpio";
+ };
+};
+
+&lvds0 {
+ ports {
+ port@1 {
+ lvds_connector: endpoint {
+ };
+ };
+ };
+};
+
+&pfc {
+ pwm0_pins: pwm0 {
+ groups = "pwm0";
+ function = "pwm0";
+ };
+};
+
+&pwm0 {
+ pinctrl-0 = <&pwm0_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};