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Date:   Thu, 16 May 2019 15:27:40 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Al Cooper <alcooperx@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        "maintainer:BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE..." 
        <bcm-kernel-feedback-list@...adcom.com>,
        Eric Anholt <eric@...olt.net>,
        Stefan Wahren <stefan.wahren@...e.com>,
        Doug Berger <opendmb@...il.com>,
        Matheus Castello <matheus@...tello.eng.br>,
        Rafał Miłecki <rafal@...ecki.pl>,
        Lukas Wunner <lukas@...ner.de>,
        Nathan Chancellor <natechancellor@...il.com>,
        "open list:PIN CONTROL SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:BROADCOM BCM2835 ARM ARCHITECTURE" 
        <linux-rpi-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] pinctrl: bcm2835: bcm7211: Add support for 7211
 pull-up functionality

On Thu, May 9, 2019 at 11:01 PM Florian Fainelli <f.fainelli@...il.com> wrote:

> From: Al Cooper <alcooperx@...il.com>
>
> The 7211 has a new way of selecting the pull-up/pull-down setting
> for a GPIO pin. The registers used for the bcm2837, GP_PUD and
> GP_PUDCLKn0, are no longer connected. A new set of registers,
> GP_GPIO_PUP_PDN_CNTRL_REGx must be used. This commit will add
> a new compatible string "brcm,bcm7211-gpio" and the kernel
> driver will use it to select which method is used to select
> pull-up/pull-down.
>
> Signed-off-by: Al Cooper <alcooperx@...il.com>
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Following the discussion with Stefan it appears this patch
needs more work, but you will only need to resend this
one patch.

Yours,
Linus Walleij

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