[Librem-5-dev] [PATCH] librem5-evk DT: Set backlight PWM to 200Hz
Angus Ainslie
angus.ainslie at puri.sm
Fri Oct 19 07:52:14 PDT 2018
Thanks Guido,
I'll get that applied today.
On 10/19/18 8:19 AM, Guido Günther via Librem-5-dev wrote:
> Since related also drop unneeded flags from the pwm1's pin definition.
> ---
> arch/arm64/boot/dts/freescale/librem5-evk.dts | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/librem5-evk.dts b/arch/arm64/boot/dts/freescale/librem5-evk.dts
> index 89440c1a7dc4..fd67586ef124 100644
> --- a/arch/arm64/boot/dts/freescale/librem5-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/librem5-evk.dts
> @@ -200,10 +200,11 @@
>
> backlight_dsi {
> compatible = "pwm-backlight";
> - pwms = <&pwm1 0 200000>;
> + /* 200 Hz for the PAM2841 */
> + pwms = <&pwm1 0 5000000>;
> brightness-levels = <0 10 20 30 40 50 60 70 80 90>;
> /* Default brightness level (index into the array defined by the "brightness-levels" property) */
> - default-brightness-level = <7>;
> + default-brightness-level = <0>;
> status = "okay";
> };
> };
> @@ -499,7 +500,7 @@
>
> pinctrl_pwm1: pwm1 {
> fsl,pins = <
> - MX8MQ_IOMUXC_GPIO1_IO01_PWM1_OUT 0xc6 /* DSI_BL_PWM */
> + MX8MQ_IOMUXC_GPIO1_IO01_PWM1_OUT 0x6 /* DSI_BL_PWM */
> >;
> };
>
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