From: Rob Herring <robh+dt@kernel.org>
To: Hongwei Zhang <hongweiz@ami.com>
Cc: devicetree@vger.kernel.org, Joel Stanley <joel@jms.id.au>,
Andrew Jeffery <andrew@aj.id.au>,
Linus Walleij <linus.walleij@linaro.org>,
Mark Rutland <mark.rutland@arm.com>,
linux-aspeed@lists.ozlabs.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [linux,dev-5.1 v1] dt-bindings: gpio: aspeed: Add SGPIO support
Date: Tue, 9 Jul 2019 12:53:12 -0600 [thread overview]
Message-ID: <CAL_Jsq+0z4OZ7qbaiUva1v5xCKXpsaPBZ9tj_M4HbEihsU_MfA@mail.gmail.com> (raw)
In-Reply-To: <1562184069-22332-1-git-send-email-hongweiz@ami.com>
On Wed, Jul 3, 2019 at 2:01 PM Hongwei Zhang <hongweiz@ami.com> wrote:
>
> Add bindings to support SGPIO on AST2400 or AST2500.
>
> Signed-off-by: Hongwei Zhang <hongweiz@ami.com>
> ---
> .../devicetree/bindings/gpio/sgpio-aspeed.txt | 36 ++++++++++++++++++++++
Is this SGPIO as in the blinky lights for HDDs in servers? If so, that
has nothing to do with Linux GPIO subsystem.
BTW, You might want to look at Calxeda highbank SATA driver. It has a
bit-banged SGPIO interface using GPIO lines in it.
Rob
next prev parent reply other threads:[~2019-07-09 18:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-03 20:01 [linux,dev-5.1 v1] dt-bindings: gpio: aspeed: Add SGPIO support Hongwei Zhang
2019-07-09 18:53 ` Rob Herring [this message]
2019-07-10 2:00 ` Andrew Jeffery
2019-07-10 2:16 ` Andrew Jeffery
2019-07-12 20:18 ` Hongwei Zhang
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