diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2017-03-10 08:56:15 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2017-03-10 08:56:15 +0100 |
| commit | 957bb6b6bcebc4c36f5f284dfb58d489e81016c6 (patch) | |
| tree | 593d098617017987daaf8ce339e0eb29ea09fdde /dts/Bindings/input/pwm-beeper.txt | |
| parent | cc2392cf4f2d5208be427e9ffdeafba192f05cbe (diff) | |
| download | barebox-957bb6b6bcebc4c36f5f284dfb58d489e81016c6.tar.gz barebox-957bb6b6bcebc4c36f5f284dfb58d489e81016c6.tar.xz | |
dts: update to v4.11-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/input/pwm-beeper.txt')
| -rw-r--r-- | dts/Bindings/input/pwm-beeper.txt | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/dts/Bindings/input/pwm-beeper.txt b/dts/Bindings/input/pwm-beeper.txt index be332ae4f2..529408b443 100644 --- a/dts/Bindings/input/pwm-beeper.txt +++ b/dts/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>; +}; |