linux-kernel - Re: [PATCH 0/5] Add pinctrl support for dwapb gpio driver

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Date:   Fri, 13 Dec 2019 09:59:10 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Clement Leger <cleger@...ray.eu>
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Hoan Tran <hoan@...amperecomputing.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/5] Add pinctrl support for dwapb gpio driver

On Wed, Dec 4, 2019 at 11:10 AM Clement Leger <cleger@...ray.eu> wrote:

> Synopsys DWAPB IP includes support for pin control. This control is basic
> and allows to switch between a hardware and a software function.
> Software function is when driving GPIOs from IP and hardware is controlled
> by external signals.
> This serie export necessary interface to be able to move the driver to
> pinctrl folder and then implement the pinctrl support which is based on the
> digicolor driver. The idea is to avoid hardcoding pins in driver since
> this IP is a generic one available on multiple SoC.

The overall approach is correct, just tidy up the patch series the
way indicated by Andy and we can probably proceed efficiently with
this. I will review the patch adding the pinctrl interfaces separately.

Yours,
Linus Walleij