From: Wolfram Sang <wsa@kernel.org>
To: Lars-Peter Clausen <lars@metafoo.de>
Cc: Michal Simek <michal.simek@amd.com>,
Shubhrajyoti Datta <Shubhrajyoti.datta@amd.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
linux-i2c@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v2 1/3] dt-bindings: i2c: cadence: Document `fifo-depth` property
Date: Wed, 29 Mar 2023 21:19:40 +0200 [thread overview]
Message-ID: <ZCSPTPFfwtTbLYEB@shikoro> (raw)
In-Reply-To: <20230317145441.156880-1-lars@metafoo.de>
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On Fri, Mar 17, 2023 at 07:54:39AM -0700, Lars-Peter Clausen wrote:
> The depth of the FIFO of the Cadence I2C controller IP is a synthesis
> configuration parameter. Different instances of the IP can have different
> values. For correct operation software needs to be aware of the size of the
> FIFO.
>
> Add the documentation for the devicetree property that describes the FIFO
> depth of the IP core.
>
> The default value of 16 is for backwards compatibility reasons with
> existing hardware descriptions where this property is not specified and
> software has assumed that the FIFO depth is 16.
>
> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Applied to for-next, thanks!
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prev parent reply other threads:[~2023-03-29 19:19 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-17 14:54 [PATCH v2 1/3] dt-bindings: i2c: cadence: Document `fifo-depth` property Lars-Peter Clausen
2023-03-17 14:54 ` [PATCH v2 2/3] i2c: cadence: Allow to specify the FIFO depth Lars-Peter Clausen
2023-03-20 10:11 ` Michal Simek
2023-03-29 19:19 ` Wolfram Sang
2023-03-17 14:54 ` [PATCH v2 3/3] i2c: cadence: Detect maximum transfer size Lars-Peter Clausen
2023-03-20 10:13 ` Michal Simek
2023-03-29 19:19 ` Wolfram Sang
2023-03-20 10:13 ` [PATCH v2 1/3] dt-bindings: i2c: cadence: Document `fifo-depth` property Michal Simek
2023-03-21 20:20 ` Rob Herring
2023-03-29 19:19 ` Wolfram Sang [this message]
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