# \[PATCH\] ARM: dts: stm32: Fix DH PDK2 display PWM channel

- From: Marek Vasut \<marex@denx.de\>
- Date: 2020-08-31 17:10:53 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2020/08/8798165
- Thread: https://ratatoskr.run/linux-arm-kernel/2020/08/8798165/t.md

```text
The display PWM channel is number 3 (PWM2 CH4), make it so.

Fixes: 34e0c7847dcf ("ARM: dts: stm32: Add DH Electronics DHCOM STM32MP1 SoM and PDK2 board")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <redacted>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Patrice Chotard <redacted>
Cc: Patrick Delaunay <redacted>
Cc: <redacted>
To: <redacted>
---
 arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi
index f8ac065d4597..5dff24e39af8 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi
@@ -25,7 +25,7 @@
 
 	display_bl: display-bl {
 		compatible = "pwm-backlight";
-		pwms = <&pwm2 0 500000 PWM_POLARITY_INVERTED>;
+		pwms = <&pwm2 3 500000 PWM_POLARITY_INVERTED>;
 		brightness-levels = <0 16 22 30 40 55 75 102 138 188 255>;
 		default-brightness-level = <8>;
 		enable-gpios = <&gpioi 0 GPIO_ACTIVE_HIGH>;
-- 
2.28.0


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