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Subject: Re: [PATCH] ARM: dts: da850: use gpio-ranges
To:     Sekhar Nori <nsekhar@ti.com>,
        Linus Walleij <linus.walleij@linaro.org>
Cc:     Linux ARM <linux-arm-kernel@lists.infradead.org>,
        Kevin Hilman <khilman@kernel.org>,
        Haojian Zhuang <haojian.zhuang@linaro.org>,
        Tony Lindgren <tony@atomide.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
References: <1519079371-25493-1-git-send-email-david@lechnology.com>
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 <be660007-cf4b-bf01-d811-a456af74bb49@ti.com>
From:   David Lechner <david@lechnology.com>
Message-ID: <e29d0326-fe16-5486-e3a9-53d4d6ebfb0e@lechnology.com>
Date:   Sun, 15 Apr 2018 13:57:22 -0500
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On 02/23/2018 05:44 AM, Sekhar Nori wrote:
> On Thursday 22 February 2018 09:04 PM, Linus Walleij wrote:
>> On Mon, Feb 19, 2018 at 11:29 PM, David Lechner <david@lechnology.com> 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 <david@lechnology.com>
>>
>> Nice,
>> Acked-by: Linus Walleij <linus.wallei@linaro.org>
> 
> 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
> 

Hi Sekhar,

The dependencies are in v4.17-rc1 so you can pick up this patch now.