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Date: Tue, 16 Sep 2014 00:00:43 +0100 From: Lee Jones <lee.jones@...aro.org> To: Jaewon Kim <jaewon02.kim@...sung.com> Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>, Samuel Ortiz <sameo@...ux.intel.com>, Chanwoo Choi <cw00.choi@...sung.com>, linux-kernel@...r.kernel.org, linux-input@...r.kernel.org Subject: Re: [PATCH v4 4/4] mfd: max77693: Update DT binding to support haptic On Thu, 11 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 | 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 Perhaps a description as to what "The haptic" is might be handy? s/have/has s/subnod/subnode What do you mean by "under" a subnode? Do you mean "as a" subnode? > + named "haptic" using the following haptic format in example. What is the "haptic format"? It just looks like a normal node to me. > + Haptic sensation from motor can be changed by changing a period cycle in pwms. Is "Haptic sensation" a technical term? s/from motor/from a motor/ s/changed by changing/changed by varying/ s/period cycle/duty cycle/ s/in pwms/in the pwms property/ > + > + Required properties: > + - compatible : Must be "maxim,max77693-hpatic" > + - haptic-supply : power supply for haptic motor s/for haptic/for the haptic/ > + [*] refer Documentation/devicetree/bindings/regulator/regulator.txt > + - pwms : phandle to the physical PWM device, It's not just the phandle though is it? > + [*] 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"; > + }; > }; -- 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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