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| author |   Jaewon Kim <jaewon02.kim@samsung.com> | 2014-09-18 01:40:26 +0900 |
|---|---|---|
| committer |   Lee Jones <lee.jones@linaro.org> | 2014-11-25 16:18:40 +0000 |
| commit | ee828d02611f325a70ef6a3c1fd2dd1eb3bc9704 (patch) | |
| tree | 6800f28739c0860a8babd33db896565e7a7cfecd /Documentation/devicetree/bindings/mfd | |
| parent | mfd: max77693: Add haptic of_compatible in mfd_cell (diff) | |
| download | linux-dev-ee828d02611f325a70ef6a3c1fd2dd1eb3bc9704.tar.xz linux-dev-ee828d02611f325a70ef6a3c1fd2dd1eb3bc9704.zip | |
mfd: max77693: Update DT binding to support haptic
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>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mfd')
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/max77693.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/max77693.txt b/Documentation/devicetree/bindings/mfd/max77693.txt index 11921cc417bf..01e9f30fe678 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"; + }; }; |