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Diffstat (limited to 'Documentation/devicetree/bindings/input/pwm-vibrator.txt')
-rw-r--r-- | Documentation/devicetree/bindings/input/pwm-vibrator.txt | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/Documentation/devicetree/bindings/input/pwm-vibrator.txt b/Documentation/devicetree/bindings/input/pwm-vibrator.txt deleted file mode 100644 index 88c775a3fe21..000000000000 --- a/Documentation/devicetree/bindings/input/pwm-vibrator.txt +++ /dev/null @@ -1,66 +0,0 @@ -* PWM vibrator device tree bindings - -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. - -Required properties: -- compatible: should contain "pwm-vibrator" -- pwm-names: Should contain "enable" and optionally "direction" -- pwms: Should contain a PWM handle for each entry in pwm-names - -Optional properties: -- vcc-supply: Phandle for the regulator supplying power -- direction-duty-cycle-ns: Duty cycle of the direction PWM channel in - nanoseconds, defaults to 50% of the channel's - period. - -Example from Motorola Droid 4: - -&omap4_pmx_core { - vibrator_direction_pin: pinmux_vibrator_direction_pin { - pinctrl-single,pins = < - OMAP4_IOPAD(0x1ce, PIN_OUTPUT | MUX_MODE1) /* dmtimer8_pwm_evt (gpio_27) */ - >; - }; - - vibrator_enable_pin: pinmux_vibrator_enable_pin { - pinctrl-single,pins = < - OMAP4_IOPAD(0X1d0, PIN_OUTPUT | MUX_MODE1) /* dmtimer9_pwm_evt (gpio_28) */ - >; - }; -}; - -/ { - pwm8: dmtimer-pwm { - pinctrl-names = "default"; - pinctrl-0 = <&vibrator_direction_pin>; - - compatible = "ti,omap-dmtimer-pwm"; - #pwm-cells = <3>; - ti,timers = <&timer8>; - ti,clock-source = <0x01>; - }; - - pwm9: dmtimer-pwm { - pinctrl-names = "default"; - pinctrl-0 = <&vibrator_enable_pin>; - - compatible = "ti,omap-dmtimer-pwm"; - #pwm-cells = <3>; - ti,timers = <&timer9>; - ti,clock-source = <0x01>; - }; - - vibrator { - compatible = "pwm-vibrator"; - pwms = <&pwm9 0 1000000000 0>, - <&pwm8 0 1000000000 0>; - pwm-names = "enable", "direction"; - direction-duty-cycle-ns = <1000000000>; - }; -}; |