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ARM: dts: ux500-skomer: Add KTD253 backlight

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This enables the KTD253 backlight found on the Samsung
GT-S7710 "Skomer".

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20200828223034.40983-1-linus.walleij@linaro.org
This commit is contained in:
Linus Walleij 2020-08-29 00:30:34 +02:00
parent b6e5aac243
commit 7f6d6e484b
1 changed files with 6 additions and 9 deletions
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15
arch/arm/boot/dts/ste-ux500-samsung-skomer.dts
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@ -108,15 +108,12 @@ button-back {
};
};
/*
* FIXME: this is not quite GPIO backlight. This is a
* KTD253 one-wire GPIO-controlled backlight. It can
* work as a GPIO backlight.
*/
gpio_bl: backlight {
compatible = "gpio-backlight";
ktd253: backlight {
compatible = "kinetic,ktd253";
/* GPIO 69 */
gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
enable-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
/* Default to 13/32 brightness */
default-brightness = <13>;
pinctrl-names = "default";
pinctrl-0 = <&gpio_backlight_default_mode>;
};
@ -409,7 +406,7 @@ panel {
reset-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&display_default_mode>;
backlight = <&gpio_bl>;
backlight = <&ktd253>;
};
};
};