[PATCH v2 4/4] mfd: max77693: Update DT binding to support haptic
From: Jaewon Kim <hidden>
Date: 2014-09-04 15:01:55
Also in:
lkml
Subsystem:
multifunction devices (mfd), open firmware and flattened device tree bindings, the rest · Maintainers:
Lee Jones, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
This patch add haptic DT binding documentation and example to support haptic driver in max77693 Multifunction device. Signed-off-by: Jaewon Kim <redacted> Acked-by: Chanwoo Choi <cw00.choi@samsung.com> --- Documentation/devicetree/bindings/mfd/max77693.txt | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
diff --git a/Documentation/devicetree/bindings/mfd/max77693.txt b/Documentation/devicetree/bindings/mfd/max77693.txt
index 11921cc..d178b9e 100644
--- a/Documentation/devicetree/bindings/mfd/max77693.txt
+++ b/Documentation/devicetree/bindings/mfd/max77693.txt@@ -27,6 +27,17 @@ Optional properties: [*] refer Documentation/devicetree/bindings/regulator/regulator.txt +- haptic : The haptic of max77693 have to be instantiated under subnod + named "haptic" using the following haptic format in example. + Haptic sensation from motor can be changed by changing a period cycle in pwms. + + Required properties: + - compatible : Must be "maxim,max77693-hpatic" + - haptic-supply : power supply for haptic motor + [*] refer Documentation/devicetree/bindings/regulator/regulator.txt + - pwms : phandle to the physical PWM device, + [*] refer Documentation/devicetree/bindings/pwm/pwm.txt + Example: max77693@66 { compatible = "maxim,max77693";
@@ -52,4 +63,11 @@ 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