Messages in this thread Patch in this message | | | From | David Lechner <> | Subject | [PATCH v2 2/3] dt-bindings: Input: Add optional amp-supply property to pwm-beeper | Date | Wed, 11 Jan 2017 14:02:00 -0600 |
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This adds an optional amp-supply property to pwm-beeper. This is a regulator that acts as an amplifier for the beeper.
Signed-off-by: David Lechner <david@lechnology.com> --- Documentation/devicetree/bindings/input/pwm-beeper.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/Documentation/devicetree/bindings/input/pwm-beeper.txt b/Documentation/devicetree/bindings/input/pwm-beeper.txt index be332ae..529408b 100644 --- a/Documentation/devicetree/bindings/input/pwm-beeper.txt +++ b/Documentation/devicetree/bindings/input/pwm-beeper.txt @@ -5,3 +5,19 @@ Registers a PWM device as beeper. Required properties: - compatible: should be "pwm-beeper" - pwms: phandle to the physical PWM device + +Optional properties: +- amp-supply: phandle to a regulator that acts as an amplifier for the beeper + +Example: + +beeper_amp: amplifier { + compatible = "fixed-regulator"; + gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>; +}; + +beeper { + compatible = "pwm-beeper"; + pwms = <&pwm0>; + amp-supply = <&beeper_amp>; +}; -- 2.7.4
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