From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Jones Subject: Re: [PATCH v3 04/11] Documentation: DT: bindings: mfd: add A33 GPADC binding Date: Thu, 23 Mar 2017 16:45:57 +0000 Message-ID: <20170323164557.a7h2eolmxeqfwg6b@dell> References: <20170321153611.16228-1-quentin.schulz@free-electrons.com> <20170321153611.16228-5-quentin.schulz@free-electrons.com> Reply-To: lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Content-Disposition: inline In-Reply-To: <20170321153611.16228-5-quentin.schulz-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Quentin Schulz Cc: dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org, wens-jdAy2FN1RRM@public.gmane.org, linux-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org, jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, knaack.h-Mmb7MZpHnFY@public.gmane.org, lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org, pmeerw-jW+XmwGofnusTnJN9+BGXg@public.gmane.org, thomas.petazzoni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org, linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, icenowy-ymACFijhrKM@public.gmane.org List-Id: linux-input@vger.kernel.org On Tue, 21 Mar 2017, Quentin Schulz wrote: > This patch adds documentation for the A33 GPADC binding. >=20 > Signed-off-by: Quentin Schulz > --- >=20 > v3: > - fixed missing allwinner in front of compatible, > - updated compatible to allwinner,sun8i-a33-ths to better reflect the > datasheet's name, > - updated example's DT node name and label to ths, >=20 > added in v2 >=20 > .../devicetree/bindings/mfd/sun4i-gpadc.txt | 59 ++++++++++++++++= ++++++ > 1 file changed, 59 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/sun4i-gpadc.txt This is going to need a DT Ack. > diff --git a/Documentation/devicetree/bindings/mfd/sun4i-gpadc.txt b/Docu= mentation/devicetree/bindings/mfd/sun4i-gpadc.txt > new file mode 100644 > index 0000000..badff36 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/sun4i-gpadc.txt > @@ -0,0 +1,59 @@ > +Allwinner SoCs' GPADC Device Tree bindings > +------------------------------------------ > +The Allwinner SoCs all have an ADC that can also act as a thermal sensor > +and sometimes as a touchscreen controller. > + > +Required properties: > + - compatible: "allwinner,sun8i-a33-ths", > + - reg: mmio address range of the chip, > + - #thermal-sensor-cells: shall be 0, > + - #io-channel-cells: shall be 0, > + > +Example: > + ths: ths@01c25000 { > + compatible =3D "allwinner,sun8i-a33-ths"; > + reg =3D <0x01c25000 0x100>; > + #thermal-sensor-cells =3D <0>; > + #io-channel-cells =3D <0>; > + }; > + > +sun4i, sun5i and sun6i SoCs are also supported via the older binding: > + > +sun4i resistive touchscreen controller > +-------------------------------------- > + > +Required properties: > + - compatible: "allwinner,sun4i-a10-ts", "allwinner,sun5i-a13-ts" or > + "allwinner,sun6i-a31-ts" > + - reg: mmio address range of the chip > + - interrupts: interrupt to which the chip is connected > + - #thermal-sensor-cells: shall be 0 > + > +Optional properties: > + - allwinner,ts-attached : boolean indicating that an actual touchscree= n > + is attached to the controller > + - allwinner,tp-sensitive-adjust : integer (4 bits) > + adjust sensitivity of pen down detection > + between 0 (least sensitive) and 15 > + (defaults to 15) > + - allwinner,filter-type : integer (2 bits) > + select median and averaging filter > + samples used for median / averaging filter > + 0: 4/2 > + 1: 5/3 > + 2: 8/4 > + 3: 16/8 > + (defaults to 1) > + > +Example: > + > + rtp: rtp@01c25000 { > + compatible =3D "allwinner,sun4i-a10-ts"; > + reg =3D <0x01c25000 0x100>; > + interrupts =3D <29>; > + allwinner,ts-attached; > + #thermal-sensor-cells =3D <0>; > + /* sensitive/noisy touch panel */ > + allwinner,tp-sensitive-adjust =3D <0>; > + allwinner,filter-type =3D <3>; > + }; --=20 Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org =E2=94=82 Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog --=20 You received this message because you are subscribed to the Google Groups "= linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an e= mail to linux-sunxi+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org For more options, visit https://groups.google.com/d/optout.