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From: Rob Herring <robh@kernel.org>
To: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: devicetree@vger.kernel.org,
	Chris Brandt <chris.brandt@renesas.com>,
	linux-gpio@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
	Jacopo Mondi <jacopo+renesas@jmondi.org>
Subject: Re: [PATCH] pinctrl: rza1: Switch to using "output-enable"
Date: Tue, 8 Sep 2020 14:53:23 -0600	[thread overview]
Message-ID: <20200908205323.GA900491@bogus> (raw)
In-Reply-To: <20200821111401.4021-1-geert+renesas@glider.be>

On Fri, 21 Aug 2020 13:14:01 +0200, Geert Uytterhoeven wrote:
> For pins requiring software driven IO output operations, the RZ/A1 Pin
> Controller uses either the "output-high" or "output-low" DT property to
> enable the corresponding output buffer.  The actual line value doesn't
> matter, as it is ignored.
> 
> Commit 425562429d4f3b13 ("pinctrl: generic: Add output-enable property")
> introduced a new DT property for this specific use case.
> 
> Update the RZ/A1 Pin Controller DT bindings and driver to use this new
> property instead.  Preserve backwards compatibility with old DTBs in the
> driver, as this comes at a very small cost.
> 
> Notes:
>   - The DT binding examples already used the new property,
>   - There are no upstream users of the old properties.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> ---
> To be queued in sh-pfc for v5.10.
> 
>  .../devicetree/bindings/pinctrl/renesas,rza1-pinctrl.txt     | 5 ++---
>  drivers/pinctrl/pinctrl-rza1.c                               | 3 ++-
>  2 files changed, 4 insertions(+), 4 deletions(-)
> 

Acked-by: Rob Herring <robh@kernel.org>

      parent reply	other threads:[~2020-09-08 20:53 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-21 11:14 [PATCH] pinctrl: rza1: Switch to using "output-enable" Geert Uytterhoeven
2020-08-21 12:02 ` Chris Brandt
2020-08-24  8:30 ` Jacopo Mondi
2020-08-25  7:10   ` Geert Uytterhoeven
2020-09-08 20:53 ` Rob Herring [this message]

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