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arm64: dts: rockchip: Remove non-existing pwm-delay-us property

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There is neither a driver that parses this nor a DT binding schema that
documents it, so let's remove from the DTS files that make use of this.

The properties that exist are post-pwm-on-delay-ms and pwm-off-delay-ms,
defined in the pwm-backlight DT binding. If the delays are really needed
then those properties should be used instead.

Brian Norris mentioned though that looking at the first downstream usage
of the pwm-delay-us property for RK3399 Gru systems in ChromiumOS tree,
he couldn't find a spec reference that said that this was really needed.

So perhaps it was unnecessary added and a simple removal would be enough.

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Link: https://lore.kernel.org/r/20230330231924.2404747-1-javierm@redhat.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Javier Martinez Canillas 2023-03-31 01:19:23 +02:00 committed by Heiko Stuebner
parent 87891399d9
commit 3adf89324a
3 changed files with 0 additions and 3 deletions
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1
arch/arm64/boot/dts/rockchip/rk3368-evb.dtsi
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@ -61,7 +61,6 @@
pinctrl-names = "default";
pinctrl-0 = <&bl_en>;
pwms = <&pwm0 0 1000000 PWM_POLARITY_INVERTED>;
pwm-delay-us = <10000>;
};
emmc_pwrseq: emmc-pwrseq {

1
arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi
View File

@ -198,7 +198,6 @@
power-supply = <&pp3300_disp>;
pinctrl-names = "default";
pinctrl-0 = <&bl_en>;
pwm-delay-us = <10000>;
};
gpio_keys: gpio-keys {

1
arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi
View File

@ -167,7 +167,6 @@
pinctrl-names = "default";
pinctrl-0 = <&bl_en>;
pwms = <&pwm1 0 1000000 0>;
pwm-delay-us = <10000>;
};
dmic: dmic {