From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sekhar Nori Subject: Re: [PATCH] ARM: dts: da850: use gpio-ranges Date: Fri, 23 Feb 2018 17:14:56 +0530 Message-ID: References: <1519079371-25493-1-git-send-email-david@lechnology.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Linus Walleij , David Lechner Cc: "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Kevin Hilman , Tony Lindgren , "linux-kernel@vger.kernel.org" , Haojian Zhuang , Linux ARM List-Id: devicetree@vger.kernel.org On Thursday 22 February 2018 09:04 PM, Linus Walleij wrote: > On Mon, Feb 19, 2018 at 11:29 PM, David Lechner wrote: > >> This makes use of the gpio-ranges feature that connects GPIO >> controllers and PINMUX controllers. >> >> In da850.dtsi, pinctrl-single,gpio-range is added to the pinmux node >> and gpio-ranges is added to the GPIO node. Unfortunately, the way the >> pinctrl-single driver enumerates the pins (starting with LSB) causes >> them to be in reverse order compared to the way the gpios are assigned. >> As a result, we have to declare the mapping for each GPIO individually. >> >> This also lets us remove all of the GPIO pinmuxes from >> da850-lego-ev3.dts. (Other da850 boards do not currently have any >> GPIO pinmuxes declared.) >> >> Signed-off-by: David Lechner > > Nice, > Acked-by: Linus Walleij Looks good to me too. And quite painstakingly done! I suppose this needs to wait a bit due to the dependencies? Let me know once its okay to merge. Thanks, Sekhar