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author | Sascha Hauer <s.hauer@pengutronix.de> | 2022-01-27 11:22:53 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2022-01-28 15:31:59 +0100 |
commit | 5f3e773ca4830daf71c7b5eee0c6b1dfe4d09c08 (patch) | |
tree | 0634f20e5f75f3d44242af47eebd9ea1ce0163f6 /dts/Bindings/input/pwm-vibrator.yaml | |
parent | db35548372eaee835fbf9bae68c08362ba59d49d (diff) | |
download | barebox-5f3e773ca4830daf71c7b5eee0c6b1dfe4d09c08.tar.gz barebox-5f3e773ca4830daf71c7b5eee0c6b1dfe4d09c08.tar.xz |
dts: update to v5.17-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/input/pwm-vibrator.yaml')
-rw-r--r-- | dts/Bindings/input/pwm-vibrator.yaml | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/dts/Bindings/input/pwm-vibrator.yaml b/dts/Bindings/input/pwm-vibrator.yaml new file mode 100644 index 0000000000..a70a636ee1 --- /dev/null +++ b/dts/Bindings/input/pwm-vibrator.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/input/pwm-vibrator.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: PWM vibrator + +maintainers: + - Sebastian Reichel <sre@kernel.org> + +description: > + Registers a PWM device as vibrator. It is expected, that the vibrator's + strength increases based on the duty cycle of the enable PWM channel + (100% duty cycle meaning strongest vibration, 0% meaning no vibration). + + The binding supports an optional direction PWM channel, that can be + driven at fixed duty cycle. If available this is can be used to increase + the vibration effect of some devices. + +properties: + compatible: + const: pwm-vibrator + + pwm-names: + items: + - const: enable + - const: direction + minItems: 1 + + pwms: + minItems: 1 + maxItems: 2 + + vcc-supply: true + + direction-duty-cycle-ns: + description: > + Duty cycle of the direction PWM channel in nanoseconds, + defaults to 50% of the channel's period. + +required: + - compatible + - pwm-names + - pwms + +additionalProperties: false + +examples: + - | + vibrator { + compatible = "pwm-vibrator"; + pwms = <&pwm9 0 1000000000 0>, + <&pwm8 0 1000000000 0>; + pwm-names = "enable", "direction"; + direction-duty-cycle-ns = <1000000000>; + }; |