From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965462AbdCWQqT (ORCPT ); Thu, 23 Mar 2017 12:46:19 -0400 Received: from mail-wm0-f51.google.com ([74.125.82.51]:37810 "EHLO mail-wm0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935012AbdCWQqC (ORCPT ); Thu, 23 Mar 2017 12:46:02 -0400 Date: Thu, 23 Mar 2017 16:45:57 +0000 From: Lee Jones To: Quentin Schulz Cc: dmitry.torokhov@gmail.com, robh+dt@kernel.org, mark.rutland@arm.com, maxime.ripard@free-electrons.com, wens@csie.org, linux@armlinux.org.uk, jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, thomas.petazzoni@free-electrons.com, linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-sunxi@googlegroups.com, icenowy@aosc.xyz Subject: Re: [PATCH v3 04/11] Documentation: DT: bindings: mfd: add A33 GPADC binding Message-ID: <20170323164557.a7h2eolmxeqfwg6b@dell> References: <20170321153611.16228-1-quentin.schulz@free-electrons.com> <20170321153611.16228-5-quentin.schulz@free-electrons.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20170321153611.16228-5-quentin.schulz@free-electrons.com> User-Agent: Mutt/1.6.2-neo (2016-08-21) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 21 Mar 2017, Quentin Schulz wrote: > This patch adds documentation for the A33 GPADC binding. > > Signed-off-by: Quentin Schulz > --- > > 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, > > added in v2 > > .../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/Documentation/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 = "allwinner,sun8i-a33-ths"; > + reg = <0x01c25000 0x100>; > + #thermal-sensor-cells = <0>; > + #io-channel-cells = <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 touchscreen > + 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 = "allwinner,sun4i-a10-ts"; > + reg = <0x01c25000 0x100>; > + interrupts = <29>; > + allwinner,ts-attached; > + #thermal-sensor-cells = <0>; > + /* sensitive/noisy touch panel */ > + allwinner,tp-sensitive-adjust = <0>; > + allwinner,filter-type = <3>; > + }; -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog