From: Max Krummenacher <max.krummenacher@toradex.com>
Date: Fri, 31 Oct 2025 12:55:07 +0000 (+0100)
Subject: arm64: dts: imx8qm-apalis: add pwm used by the backlight
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=cb9273791950b84ff1714db4add9454906657d0b;p=thirdparty%2Flinux.git

arm64: dts: imx8qm-apalis: add pwm used by the backlight

Add pwm node used by the backlight output pin BKL1_PWM and
reference it from the pwm-backlight node.

Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm64/boot/dts/freescale/imx8-apalis-eval.dtsi b/arch/arm64/boot/dts/freescale/imx8-apalis-eval.dtsi
index 311d4950793cf..06790255a764a 100644
--- a/arch/arm64/boot/dts/freescale/imx8-apalis-eval.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-apalis-eval.dtsi
@@ -109,7 +109,10 @@
 	status = "okay";
 };
 
-/* TODO: Apalis BKL1_PWM */
+/* Apalis BKL1_PWM */
+&pwm_lvds1 {
+	status = "okay";
+};
 
 /* Apalis DAP1 */
 &sai1 {
diff --git a/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.1.dtsi b/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.1.dtsi
index 3d8731504ce15..7022de46b8bff 100644
--- a/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.1.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.1.dtsi
@@ -196,7 +196,10 @@
 	status = "okay";
 };
 
-/* TODO: Apalis BKL1_PWM */
+/* Apalis BKL1_PWM */
+&pwm_lvds1 {
+	status = "okay";
+};
 
 /* Apalis DAP1 */
 &sai1 {
diff --git a/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.2.dtsi b/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.2.dtsi
index 106e802a68ba5..12732ed7f8119 100644
--- a/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.2.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.2.dtsi
@@ -245,7 +245,10 @@
 	status = "okay";
 };
 
-/* TODO: Apalis BKL1_PWM */
+/* Apalis BKL1_PWM */
+&pwm_lvds1 {
+	status = "okay";
+};
 
 /* Apalis DAP1 */
 &sai1 {
diff --git a/arch/arm64/boot/dts/freescale/imx8-apalis-v1.1.dtsi b/arch/arm64/boot/dts/freescale/imx8-apalis-v1.1.dtsi
index f2646db74a5fd..9153dddfd3b84 100644
--- a/arch/arm64/boot/dts/freescale/imx8-apalis-v1.1.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-apalis-v1.1.dtsi
@@ -18,7 +18,7 @@
 		brightness-levels = <0 45 63 88 119 158 203 255>;
 		default-brightness-level = <4>;
 		enable-gpios = <&lsio_gpio1 4 GPIO_ACTIVE_HIGH>; /* Apalis BKL1_ON */
-		/* TODO: hook-up to Apalis BKL1_PWM */
+		pwms = <&pwm_lvds1 0 6666667 PWM_POLARITY_INVERTED>;
 		status = "disabled";
 	};
 
@@ -821,7 +821,10 @@
 		 <&hsio_refa_clk>, <&hsio_per_clk>;
 };
 
-/* TODO: Apalis BKL1_PWM */
+&pwm_lvds1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm_bkl>;
+};
 
 /* Apalis DAP1 */
 &sai1 {