From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCHv2 3/3] ARM:dts:sunxi:ps2 dt nodes for A10/A20 PS2 controller. Date: Mon, 8 Dec 2014 23:22:59 +0100 Message-ID: <20141208222259.GN8739@lukather> References: <1417907719-26775-1-git-send-email-VishnuPatekar0510@gmail.com> <1417907719-26775-4-git-send-email-VishnuPatekar0510@gmail.com> Reply-To: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="5FetH82qe0Z6y/zI" Return-path: Content-Disposition: inline In-Reply-To: <1417907719-26775-4-git-send-email-VishnuPatekar0510-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: vishnupatekar Cc: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org, leafy.myeh-Q9AEpCAkrSgqDJ6do+/SaQ@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org --5FetH82qe0Z6y/zI Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Hi, Your commit title should be less that 80 chars. It should also be formatted using "ARM: sunxi: dts:" as a prefix (More specific to less specific). On Sun, Dec 07, 2014 at 04:45:19AM +0530, vishnupatekar wrote: > Added ps2 nodes in lime2 board dts. By default ps20 and ps21 nodes are > commented as ps20 pins conflict with HDMI connector > on Lime2 Board. > > Signed-off-by: vishnupatekar > --- > arch/arm/boot/dts/sun4i-a10.dtsi | 27 +++++++++++++++++++++ > arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts | 13 ++++++++++ > arch/arm/boot/dts/sun7i-a20.dtsi | 29 +++++++++++++++++++++++ > 3 files changed, 69 insertions(+) This patch should also be split into three different patches: - The one adding the nodes for the controller to the DTSI - The one adding the pinctrl nodes - The one enabling the controller on the board. > > diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi > index 5e2ec2d..4726e8d 100644 > --- a/arch/arm/boot/dts/sun4i-a10.dtsi > +++ b/arch/arm/boot/dts/sun4i-a10.dtsi > @@ -615,6 +615,19 @@ > allwinner,drive = <0>; > allwinner,pull = <0>; > }; A newline here please. > + ps2_0_pins: ps2_0@0 { You called the node ps20, you probably want to call it the same way here. And we usually have a suffix like pins_a whenever we have several muxing options (as it's probably the case). > + allwinner,pins = "PI20","PI21"; A whitespace after the comma please. > + allwinner,function = "ps2"; > + allwinner,drive = <0>; > + allwinner,pull = <0>; > + }; Newline. > + ps2_1_pins: ps2_1@0 { > + allwinner,pins = "PH12","PH13"; > + allwinner,function = "ps2"; > + allwinner,drive = <0>; > + allwinner,pull = <0>; > + }; > + > }; > > timer@01c20c00 { > @@ -781,5 +794,19 @@ > #address-cells = <1>; > #size-cells = <0>; > }; Newline. > + ps20: ps2@0x01c2a000 { Drop the 0x > + compatible = "allwinner,sun4i-a10-ps2"; > + reg = <0x01c2a000 0x400>; > + interrupts = <0 62 4>; > + clocks = <&apb1_gates 6>; > + status = "disabled"; > + }; Newline > + ps21: ps2@0x01c2a400 { > + compatible = "allwinner,sun4i-a10-ps2"; > + reg = <0x01c2a400 0x400>; > + interrupts = <0 63 4>; > + clocks = <&apb1_gates 7>; > + status = "disabled"; > + }; > }; > }; > diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts > index ed364d5..5624e63 100644 > --- a/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts > +++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts > @@ -112,6 +112,19 @@ > pinctrl-0 = <&uart0_pins_a>; > status = "okay"; > }; > + /* PS2 0 and PS2 1 are disabled by default > + To enable PS2 0 and PS2 1 uncomment below ps20 and ps21 nodes > + Please note that ps20 pins conflict with HDMI on Lime2 Board*/ > + /*ps20: ps2@0x01c2a000 { > + pinctrl-names = "default"; > + pinctrl-0 = <&ps2_0_pins>; > + status = "okay"; > + }; > + ps21: ps2@0x01c2a400 { > + pinctrl-names = "default"; > + pinctrl-0 = <&ps2_1_pins>; > + status = "okay"; > + };*/ Hmmm, no, no comments in the DTS. Especially when it's that trivial to enable. Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com --5FetH82qe0Z6y/zI--