diff options
author | Sascha Hauer <s.hauer@pengutronix.de> | 2020-11-09 12:38:26 +0100 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-11-09 13:42:10 +0100 |
commit | 119c632f12509eab4bc58daf629c4b16fffcedca (patch) | |
tree | 34366b3095d957178b46be47f628a3926ad35ac3 /dts/Bindings/leds/backlight/kinetic,ktd253.yaml | |
parent | 89b766c63f94b5fe94db75a6f197c9e6c0f9da7e (diff) | |
download | barebox-119c632f12509eab4bc58daf629c4b16fffcedca.tar.gz barebox-119c632f12509eab4bc58daf629c4b16fffcedca.tar.xz |
dts: update to v5.10-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/leds/backlight/kinetic,ktd253.yaml')
-rw-r--r-- | dts/Bindings/leds/backlight/kinetic,ktd253.yaml | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/dts/Bindings/leds/backlight/kinetic,ktd253.yaml b/dts/Bindings/leds/backlight/kinetic,ktd253.yaml new file mode 100644 index 0000000000..7a6ec1f8c0 --- /dev/null +++ b/dts/Bindings/leds/backlight/kinetic,ktd253.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/backlight/kinetic,ktd253.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Kinetic Technologies KTD253 one-wire backlight + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + +description: | + The Kinetic Technologies KTD253 is a white LED backlight that is + controlled by a single GPIO line. If you just turn on the backlight + it goes to maximum backlight then you can set the level of backlight + using pulses on the enable wire. This is sometimes referred to as + "expresswire". + +allOf: + - $ref: common.yaml# + +properties: + compatible: + const: kinetic,ktd253 + + enable-gpios: + description: GPIO to use to enable/disable and dim the backlight. + maxItems: 1 + + default-brightness: true + max-brightness: true + +required: + - compatible + - enable-gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + backlight { + compatible = "kinetic,ktd253"; + enable-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>; + default-brightness = <13>; + }; |