From: Rob Herring <robh@kernel.org>
To: Gareth Williams <gareth.williams.jx@renesas.com>
Cc: Mark Brown <broonie@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Phil Edworthy <phil.edworthy@renesas.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
linux-spi@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Gareth Williams <gareth.williams.jx@renesas.com>
Subject: Re: [PATCH v2 1/4] dt: spi: Add Renesas RZ/N1 binding documentation
Date: Tue, 1 Oct 2019 06:43:05 -0500 [thread overview]
Message-ID: <20191001114305.GA27944@bogus> (raw)
In-Reply-To: <1568793876-9009-2-git-send-email-gareth.williams.jx@renesas.com>
On Wed, 18 Sep 2019 09:04:33 +0100, Gareth Williams wrote:
> From: Phil Edworthy <phil.edworthy@renesas.com>
>
> The Renesas RZ/N1 SPI Controller is based on the Synopsys DW SSI, but has
> additional registers for software CS control and DMA. This patch does not
> address the changes required for DMA support, it simply adds the compatible
> string. The CS functionality is not very useful and also not needed as
> Linux can use gpios for the CS signals.
>
> Add a compatible string to handle any unforeseen issues that may arise, and
> pave the way for DMA support.
>
> Signed-off-by: Gareth Williams <gareth.williams.jx@renesas.com>
> Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
> ---
> Note: All the other manufacturers detail their compatible strings in
> snps,dw-apb-ssi.txt. I think it makes sense for rzn1 to be in it's own file
> due to the changes made to the peripheral for DMA support.
>
> v2:
> - No changes.
> ---
> Documentation/devicetree/bindings/spi/renesas,rzn1-spi.txt | 11 +++++++++++
> 1 file changed, 11 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/spi/renesas,rzn1-spi.txt
>
Reviewed-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2019-10-01 11:43 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-18 8:04 [PATCH v2 0/4] spi: dw: Add basic runtime PM support Gareth Williams
2019-09-18 8:04 ` [PATCH v2 1/4] dt: spi: Add Renesas RZ/N1 binding documentation Gareth Williams
2019-10-01 11:41 ` Applied "dt: spi: Add Renesas RZ/N1 binding documentation" to the spi tree Mark Brown
2019-10-01 11:43 ` Rob Herring [this message]
2019-09-18 8:04 ` [PATCH v2 2/4] dt-bindings: snps,dw-apb-ssi: Add optional clock domain information Gareth Williams
2019-10-01 11:41 ` Applied "dt-bindings: snps,dw-apb-ssi: Add optional clock domain information" to the spi tree Mark Brown
2019-10-01 12:02 ` [PATCH v2 2/4] dt-bindings: snps,dw-apb-ssi: Add optional clock domain information Rob Herring
2019-10-01 13:50 ` Gareth Williams
2019-10-01 14:51 ` Geert Uytterhoeven
2019-09-18 8:04 ` [PATCH v2 3/4] spi: dw: Add basic runtime PM support Gareth Williams
2019-10-01 11:41 ` Applied "spi: dw: Add basic runtime PM support" to the spi tree Mark Brown
2019-09-18 8:04 ` [PATCH v2 4/4] spi: dw: Add compatible string for Renesas RZ/N1 SPI Controller Gareth Williams
2019-10-01 11:41 ` Applied "spi: dw: Add compatible string for Renesas RZ/N1 SPI Controller" to the spi tree Mark Brown
2019-09-19 13:31 ` [PATCH v2 0/4] spi: dw: Add basic runtime PM support Mark Brown
2019-09-19 15:14 ` Gareth Williams
2019-09-19 15:23 ` Mark Brown
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20191001114305.GA27944@bogus \
--to=robh@kernel.org \
--cc=broonie@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=gareth.williams.jx@renesas.com \
--cc=geert@linux-m68k.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-spi@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=phil.edworthy@renesas.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).