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Date: Mon, 6 Oct 2014 21:48:12 +0100 From: Lee Jones <lee.jones@...aro.org> To: Jaewon Kim <jaewon02.kim@...sung.com> Cc: Chanwoo Choi <cw00.choi@...sung.com>, linux-kernel@...r.kernel.org Subject: Re: [PATCH v5 3/3] mfd: max77693: Update DT binding to support haptic On Thu, 18 Sep 2014, Jaewon Kim wrote: > This patch add haptic DT binding documentation and example > to support haptic driver in max77693 Multifunction device. > > Signed-off-by: Jaewon Kim <jaewon02.kim@...sung.com> > Acked-by: Chanwoo Choi <cw00.choi@...sung.com> > --- > Documentation/devicetree/bindings/mfd/max77693.txt | 21 ++++++++++++++++++++ > 1 file changed, 21 insertions(+) Applied for v3.19. > 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"; > + }; > }; -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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