[PATCH] ARM: dts: ux500-skomer: Add KTD253 backlight
From: Linus Walleij <hidden>
Date: 2020-08-28 22:32:05
Subsystem:
the rest · Maintainer:
Linus Torvalds
This enables the KTD253 backlight found on the Samsung GT-S7710 "Skomer". Signed-off-by: Linus Walleij <redacted> --- arch/arm/boot/dts/ste-ux500-samsung-skomer.dts | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-)
diff --git a/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts b/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts
index ff465f57e8a2..bf223e1e31c3 100644
--- a/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts
+++ b/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts@@ -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>; };
@@ -431,7 +428,7 @@ panel { reset-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>; pinctrl-names = "default"; pinctrl-0 = <&display_default_mode>; - backlight = <&gpio_bl>; + backlight = <&ktd253>; }; }; };
--
2.26.2
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