Messages in this thread Patch in this message | | | From | Jaewon Kim <> | Subject | [PATCH RESEND v5 3/3] mfd: max77693: Update DT binding to support haptic | Date | Wed, 01 Oct 2014 15:43:58 +0900 |
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This patch add haptic DT binding documentation and example to support haptic driver in max77693 Multifunction device.
Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com> Acked-by: Chanwoo Choi <cw00.choi@samsung.com> --- Documentation/devicetree/bindings/mfd/max77693.txt | 21 ++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/Documentation/devicetree/bindings/mfd/max77693.txt b/Documentation/devicetree/bindings/mfd/max77693.txt index 11921cc..01e9f30 100644 --- a/Documentation/devicetree/bindings/mfd/max77693.txt +++ b/Documentation/devicetree/bindings/mfd/max77693.txt @@ -27,6 +27,20 @@ Optional properties: [*] refer Documentation/devicetree/bindings/regulator/regulator.txt +- haptic : The MAX77693 haptic device utilises a PWM controlled motor to provide + users with tactile feedback. PWM period and duty-cycle are varied in + order to provide the approprite level of feedback. + + Required properties: + - compatible : Must be "maxim,max77693-hpatic" + - haptic-supply : power supply for the haptic motor + [*] refer Documentation/devicetree/bindings/regulator/regulator.txt + - pwms : phandle to the physical PWM(Pulse Width Modulation) device. + PWM properties should be named "pwms". And number of cell is different + for each pwm device. + To get more informations, please refer to documentaion. + [*] refer Documentation/devicetree/bindings/pwm/pwm.txt + Example: max77693@66 { compatible = "maxim,max77693"; @@ -52,4 +66,11 @@ Example: regulator-boot-on; }; }; + + haptic { + compatible = "maxim,max77693-haptic"; + haptic-supply = <&haptic_supply>; + pwms = <&pwm 0 40000 0>; + pwm-names = "haptic"; + }; }; -- 1.7.9.5
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