This patch adds the device tree bindings for the vibrator PWM found on various Qualcomm MSM SOCs.
Signed-off-by: Brian Masney <[email protected]> --- .../bindings/pwm/pwm-msm-vibrator.txt | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/pwm-msm-vibrator.txt diff --git a/Documentation/devicetree/bindings/pwm/pwm-msm-vibrator.txt b/Documentation/devicetree/bindings/pwm/pwm-msm-vibrator.txt new file mode 100644 index 000000000000..44bb8b979c60 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-msm-vibrator.txt @@ -0,0 +1,38 @@ +* Device tree bindings for the vibrator PWM on various MSM SOCs. + +Required properties: + + - compatible: Should be one of + "qcom,msm8226-pwm-vibrator" + "qcom,msm8974-pwm-vibrator" + - reg: the base address and length of the IO memory for the registers. + - #pwm-cells: set to 3. + - pinctrl-names: set to default. + - pinctrl-0: phandles pointing to pin configuration nodes. See + Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt + - clock-names: set to pwm + - clocks: phandle of the clock used by the PWM module. See + Documentation/devicetree/bindings/clock/clock-bindings.txt + - enable-gpios: GPIO that enables the PWM. + +Optional properties: + + - vcc-supply: phandle to the regulator that provides power to the sensor. + +Example from a LG Nexus 5 (hammerhead) phone: + +msm_pwm_vibrator_enable: pwm@fd8c3450 { + reg = <0xfd8c3450 0x400>; + compatible = "qcom,msm8974-pwm-vibrator"; + #pwm-cells = <3>; + + vcc-supply = <&pm8941_l19>; + + clocks = <&mmcc CAMSS_GP1_CLK>; + clock-names = "pwm"; + + enable-gpios = <&msmgpio 60 GPIO_ACTIVE_HIGH>; + + pinctrl-names = "default"; + pinctrl-0 = <&vibrator_pin>; +}; -- 2.17.1
