* [PATCH V3] ARM: dts: imx6q-logicpd: Fix broken PWM
@ 2020-08-19 19:59 Adam Ford
2020-08-23 2:19 ` Shawn Guo
0 siblings, 1 reply; 2+ messages in thread
From: Adam Ford @ 2020-08-19 19:59 UTC (permalink / raw)
To: linux-arm-kernel
Cc: aford, Adam Ford, Fabio Estevam, Rob Herring, Shawn Guo,
Sascha Hauer, Pengutronix Kernel Team, NXP Linux Team,
Uwe Kleine-König, devicetree, linux-kernel
The DTC doesn't like the default PWM settings, because it's expecting
three cells. This patch reduces adds the extra entry of 0 to the PWM
reference.
Fixes: fa28d8212ede ("ARM: dts: imx: default to #pwm-cells = <3> in the SoC dtsi files")
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Adam Ford <aford173@gmail.com>
---
V2: Don't change HDMI
diff --git a/arch/arm/boot/dts/imx6q-logicpd.dts b/arch/arm/boot/dts/imx6q-logicpd.dts
index 7a3d1d3e54a9..8f94364ba484 100644
--- a/arch/arm/boot/dts/imx6q-logicpd.dts
+++ b/arch/arm/boot/dts/imx6q-logicpd.dts
@@ -13,7 +13,7 @@ / {
backlight: backlight-lvds {
compatible = "pwm-backlight";
- pwms = <&pwm3 0 20000>;
+ pwms = <&pwm3 0 20000 0>;
brightness-levels = <0 4 8 16 32 64 128 255>;
default-brightness-level = <6>;
power-supply = <®_lcd>;
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH V3] ARM: dts: imx6q-logicpd: Fix broken PWM
2020-08-19 19:59 [PATCH V3] ARM: dts: imx6q-logicpd: Fix broken PWM Adam Ford
@ 2020-08-23 2:19 ` Shawn Guo
0 siblings, 0 replies; 2+ messages in thread
From: Shawn Guo @ 2020-08-23 2:19 UTC (permalink / raw)
To: Adam Ford
Cc: linux-arm-kernel, aford, Fabio Estevam, Rob Herring, Sascha Hauer,
Pengutronix Kernel Team, NXP Linux Team, Uwe Kleine-König,
devicetree, linux-kernel
On Wed, Aug 19, 2020 at 02:59:44PM -0500, Adam Ford wrote:
> The DTC doesn't like the default PWM settings, because it's expecting
> three cells. This patch reduces adds the extra entry of 0 to the PWM
> reference.
>
> Fixes: fa28d8212ede ("ARM: dts: imx: default to #pwm-cells = <3> in the SoC dtsi files")
>
> Reviewed-by: Fabio Estevam <festevam@gmail.com>
> Signed-off-by: Adam Ford <aford173@gmail.com>
Applied, thanks.
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