From: Peter Vasil <peter.vasil@xxxxxxxxx> One of the functions of Tahvo/Betty ASIC MFD chip is a PWM output able to drive LED with 127 levels of brightness. On Nokia N8x0 Internet Tablet devices, this controls the LCD backlight. --- .../bindings/leds/nokia,tahvo-ledpwm.yaml | 32 +++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/nokia,tahvo-ledpwm.yaml diff --git a/Documentation/devicetree/bindings/leds/nokia,tahvo-ledpwm.yaml b/Documentation/devicetree/bindings/leds/nokia,tahvo-ledpwm.yaml new file mode 100644 index 000000000000..6f6d9e4a9425 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/nokia,tahvo-ledpwm.yaml @@ -0,0 +1,32 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/nokia,tahvo-ledpwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nokia Tahvo/Betty ASIC LEDPWM controller + +maintainers: + - Peter Vasil <peter.vasil@xxxxxxxxx> + +description: + One of the functions of Tahvo/Betty ASIC MFD chip is a PWM output able to + drive LED with 127 levels of brightness. + On Nokia N8x0 Internet Tablet devices, this controls the LCD backlight. + +properties: + compatible: + const: nokia,tahvo-ledpwm + +additionalProperties: false + +examples: + - | + + tahvo { + tahvo_ledpwm { + compatible = "nokia,tahvo-ledpwm"; + }; + }; + +... -- 2.25.1
