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author | Sascha Hauer <s.hauer@pengutronix.de> | 2021-08-09 21:17:51 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2021-08-09 21:17:51 +0200 |
commit | 6187b17da4b277417f34fe0b0b90bbaddcbc599e (patch) | |
tree | 51cbbaa0fa325c592d084eb7d197a5df0e7a43bb /dts/Bindings/leds | |
parent | c53e1fc545e686e1f48c8efb9057fc72e158f183 (diff) | |
download | barebox-6187b17da4b277417f34fe0b0b90bbaddcbc599e.tar.gz barebox-6187b17da4b277417f34fe0b0b90bbaddcbc599e.tar.xz |
dts: update to v5.14-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/leds')
-rw-r--r-- | dts/Bindings/leds/backlight/richtek,rt4831-backlight.yaml | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/dts/Bindings/leds/backlight/richtek,rt4831-backlight.yaml b/dts/Bindings/leds/backlight/richtek,rt4831-backlight.yaml new file mode 100644 index 0000000000..e0ac68694b --- /dev/null +++ b/dts/Bindings/leds/backlight/richtek,rt4831-backlight.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/backlight/richtek,rt4831-backlight.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Richtek RT4831 Backlight + +maintainers: + - ChiYuan Huang <cy_huang@richtek.com> + +description: | + RT4831 is a mutifunctional device that can provide power to the LCD display + and LCD backlight. + + For the LCD backlight, it can provide four channel WLED driving capability. + Each channel driving current is up to 30mA + + Datasheet is available at + https://www.richtek.com/assets/product_file/RT4831A/DS4831A-05.pdf + +allOf: + - $ref: common.yaml# + +properties: + compatible: + const: richtek,rt4831-backlight + + default-brightness: + minimum: 0 + maximum: 2048 + + max-brightness: + minimum: 0 + maximum: 2048 + + richtek,pwm-enable: + description: | + Specify the backlight dimming following by PWM duty or by SW control. + type: boolean + + richtek,bled-ovp-sel: + description: | + Backlight OVP level selection, currently support 17V/21V/25V/29V. + $ref: /schemas/types.yaml#/definitions/uint8 + default: 1 + minimum: 0 + maximum: 3 + + richtek,channel-use: + description: | + Backlight LED channel to be used. + BIT 0/1/2/3 is used to indicate led channel 1/2/3/4 enable or disable. + $ref: /schemas/types.yaml#/definitions/uint8 + minimum: 1 + maximum: 15 + +required: + - compatible + - richtek,channel-use + +additionalProperties: false |