From: Rob Herring <robh@kernel.org>
To: Charles Perry <charles.perry@savoirfairelinux.com>
Cc: mdf@kernel.org, avandiver@markem-imaje.com,
bcody@markem-imaje.com, Wu Hao <hao.wu@intel.com>,
Xu Yilun <yilun.xu@intel.com>, Tom Rix <trix@redhat.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Michal Simek <michal.simek@amd.com>,
linux-fpga@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 0/3] fpga: xilinx-selectmap: add new driver
Date: Fri, 2 Feb 2024 14:16:46 -0600 [thread overview]
Message-ID: <20240202201646.GA903809-robh@kernel.org> (raw)
In-Reply-To: <20240131230542.3993409-1-charles.perry@savoirfairelinux.com>
On Wed, Jan 31, 2024 at 06:05:30PM -0500, Charles Perry wrote:
> Hello,
>
> This patchset adds a new driver for the 7 series FPGA's SelectMAP
> interface.
>
> The SelectMAP interface shares a common GPIO protocol with the SPI
> interface which is already in the kernel (drivers/fpga/xilinx-spi.c).
> The approach proposed in this patchset is to refactor xilinx-spi.c into
> xilinx-core.c which would handle the common GPIO protocol. This is then
> used to build two drivers, the already existing xilinx-spi.c driver and
> a newly added xilinx-selectmap.c driver.
>
> The SelectMAP driver proposed only supports 8 bit mode. This is because
> the 16 and 32 bits mode have limitations with regards to compressed
> bitstream support as well as introducing endianness considerations.
>
> I'm testing xilinx-selectmap.c on a custom i.MX6 board connected to an
> Artix 7 FPGA. Flashing a 913K bitstream takes 0.44 seconds.
>
> v2: From Krzysztof Kozlowski review's:
> * Use more conventional names for gpio DT bindings
> * fix example in DT bindings
> * add mc-peripheral-props.yaml to DT bindings
> * fix various formatting mistakes
> * Remove all occurences of the "slave" word.
Please label the series with the version number and don't send new
versions as replies to the previous version.
Rob
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next prev parent reply other threads:[~2024-02-02 20:17 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20240129225602.3832449-1-charles.perry@savoirfairelinux.com>
2024-01-31 23:05 ` [PATCH 0/3] fpga: xilinx-selectmap: add new driver Charles Perry
2024-01-31 23:05 ` [PATCH 1/3] fpga: xilinx-spi: extract a common driver core Charles Perry
2024-02-04 8:22 ` Xu Yilun
2024-02-06 15:39 ` Charles Perry
2024-01-31 23:05 ` [PATCH 2/3] dt-bindings: fpga: xlnx,fpga-slave-selectmap: add DT schema Charles Perry
2024-02-01 8:07 ` Krzysztof Kozlowski
2024-02-01 18:24 ` Charles Perry
2024-02-02 10:49 ` Krzysztof Kozlowski
2024-02-02 19:52 ` Charles Perry
2024-01-31 23:05 ` [PATCH 3/3] fpga: xilinx-selectmap: add new driver Charles Perry
2024-02-04 8:10 ` Xu Yilun
2024-02-06 15:48 ` Charles Perry
2024-02-02 20:16 ` Rob Herring [this message]
2024-02-02 20:53 ` [PATCH 0/3] " Charles Perry
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