From bd642b4a08944241a1be4e7fc9ca79307977ffc6 Mon Sep 17 00:00:00 2001
From: Chris <codewalker@hardkernel.com>
Date: Wed, 22 May 2024 12:33:41 +0900
Subject: [PATCH] ODROID: Add pwm backligtht overlays.

Change-Id: Id6e4473a94aa69d38584b234c5f576cb69ad6564
---
 .../dts/rockchip/overlays/odroidm1/Makefile   |  4 +++-
 .../overlays/odroidm1/pwm_backlight.dts       | 21 +++++++++++++++++++
 .../odroidm1/pwm_backlight_for_vu12.dts       | 21 +++++++++++++++++++
 .../dts/rockchip/overlays/odroidm1s/Makefile  |  4 +++-
 .../overlays/odroidm1s/pwm_backlight.dts      | 21 +++++++++++++++++++
 .../odroidm1s/pwm_backlight_for_vu12.dts      | 21 +++++++++++++++++++
 6 files changed, 90 insertions(+), 2 deletions(-)
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm1/pwm_backlight.dts
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm1/pwm_backlight_for_vu12.dts
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm1s/pwm_backlight.dts
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm1s/pwm_backlight_for_vu12.dts

diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm1/Makefile b/arch/arm64/boot/dts/rockchip/overlays/odroidm1/Makefile
index bceb6a21811e..700a6ee4fc67 100644
--- a/arch/arm64/boot/dts/rockchip/overlays/odroidm1/Makefile
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm1/Makefile
@@ -27,7 +27,9 @@ dtbo-$(CONFIG_ARCH_ROCKCHIP_ODROIDM1) += \
 	uart0-with-ctsrts.dtbo \
 	uart0.dtbo \
 	uart1.dtbo \
-	weather_board_zero.dtbo
+	weather_board_zero.dtbo \
+	pwm_backlight.dtbo \
+	pwm_backlight_for_vu12.dtbo
 
 targets += $(dtbo-y)
 always-y := $(dtbo-y)
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm1/pwm_backlight.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm1/pwm_backlight.dts
new file mode 100644
index 000000000000..464d3c5079f5
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm1/pwm_backlight.dts
@@ -0,0 +1,21 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		// pwmchip0, pwm@fdd70010
+		target = <&pwm1>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+
+	fragment@1 {
+		target = <&backlight>;
+		__overlay__ {
+			status = "okay";
+			pwms = <&pwm1 0 25000 0>;
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm1/pwm_backlight_for_vu12.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm1/pwm_backlight_for_vu12.dts
new file mode 100644
index 000000000000..687e9cf2757c
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm1/pwm_backlight_for_vu12.dts
@@ -0,0 +1,21 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		// pwmchip0, pwm@fdd70010
+		target = <&pwm1>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+
+	fragment@1 {
+		target = <&backlight>;
+		__overlay__ {
+			status = "okay";
+			pwms = <&pwm1 0 43478 0>;
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm1s/Makefile b/arch/arm64/boot/dts/rockchip/overlays/odroidm1s/Makefile
index 3679abcd7654..79f95dca7366 100644
--- a/arch/arm64/boot/dts/rockchip/overlays/odroidm1s/Makefile
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm1s/Makefile
@@ -39,7 +39,9 @@ dtbo-$(CONFIG_ARCH_ROCKCHIP_ODROIDM1) += \
 	uart5.dtbo \
 	uart7.dtbo \
 	uart9.dtbo \
-	weather_board_zero.dtbo
+	weather_board_zero.dtbo \
+	pwm_backlight.dtbo \
+	pwm_backlight_for_vu12.dtbo
 
 targets += $(dtbo-y)
 always-y := $(dtbo-y)
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm1s/pwm_backlight.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm1s/pwm_backlight.dts
new file mode 100644
index 000000000000..464d3c5079f5
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm1s/pwm_backlight.dts
@@ -0,0 +1,21 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		// pwmchip0, pwm@fdd70010
+		target = <&pwm1>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+
+	fragment@1 {
+		target = <&backlight>;
+		__overlay__ {
+			status = "okay";
+			pwms = <&pwm1 0 25000 0>;
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm1s/pwm_backlight_for_vu12.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm1s/pwm_backlight_for_vu12.dts
new file mode 100644
index 000000000000..687e9cf2757c
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm1s/pwm_backlight_for_vu12.dts
@@ -0,0 +1,21 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		// pwmchip0, pwm@fdd70010
+		target = <&pwm1>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+
+	fragment@1 {
+		target = <&backlight>;
+		__overlay__ {
+			status = "okay";
+			pwms = <&pwm1 0 43478 0>;
+		};
+	};
+};