From: Rob Herring <robh@kernel.org>
To: Eugen.Hristev@microchip.com
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
alexandre.belloni@bootlin.com, wsa@the-dreams.de,
linux-kernel@vger.kernel.org, Ludovic.Desroches@microchip.com,
linux-i2c@vger.kernel.org, peda@axentia.se,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v5 2/9] dt-bindings: i2c: add bindings for i2c analog and digital filter
Date: Tue, 17 Sep 2019 09:28:08 -0500 [thread overview]
Message-ID: <20190917142808.GA7900@bogus> (raw)
In-Reply-To: <1568189911-31641-3-git-send-email-eugen.hristev@microchip.com>
On Wed, Sep 11, 2019 at 08:24:20AM +0000, Eugen.Hristev@microchip.com wrote:
> From: Eugen Hristev <eugen.hristev@microchip.com>
>
> Some i2c controllers have a built-in digital or analog filter.
> This is specifically required depending on the hardware PCB/board.
> Some controllers also allow specifying the maximum width of the
> spikes that can be filtered for digital filter. The width length can be
> specified in nanoseconds.
> Analog filters can be configured to have a cutoff frequency (low-pass filter).
> This frequency can be specified in Hz.
> Added an optional property for such types of analog filters.
>
> Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
> ---
> Documentation/devicetree/bindings/i2c/i2c.txt | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
Reviewed-by: Rob Herring <robh@kernel.org>
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next prev parent reply other threads:[~2019-09-17 14:28 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-11 8:24 [PATCH v5 0/9] i2c: add support for filters Eugen.Hristev
2019-09-11 8:24 ` [PATCH v5 1/9] dt-bindings: i2c: at91: add new compatible Eugen.Hristev
2019-09-11 8:24 ` [PATCH v5 2/9] dt-bindings: i2c: add bindings for i2c analog and digital filter Eugen.Hristev
2019-09-17 14:28 ` Rob Herring [this message]
2019-09-11 8:24 ` [PATCH v5 3/9] i2c: add support for filters optional properties Eugen.Hristev
2019-10-21 15:20 ` Peter Rosin
2019-09-11 8:24 ` [PATCH v5 4/9] i2c: at91: add new platform support for sam9x60 Eugen.Hristev
2019-09-11 8:24 ` [PATCH v5 5/9] i2c: at91: add support for digital filtering Eugen.Hristev
2019-09-11 8:24 ` [PATCH v5 6/9] i2c: at91: add support for advanced " Eugen.Hristev
2019-09-11 8:24 ` [PATCH v5 7/9] i2c: at91: add support for analog filtering Eugen.Hristev
2019-09-11 8:24 ` [PATCH v5 8/9] ARM: dts: at91: sama5d2_xplained: add analog and digital filter for i2c Eugen.Hristev
2019-09-11 8:24 ` [PATCH v5 9/9] ARM: dts: at91: sama5d4_xplained: add " Eugen.Hristev
2019-09-14 19:32 ` [PATCH v5 0/9] i2c: add support for filters Ludovic Desroches
2019-10-07 7:53 ` Eugen.Hristev
2019-10-14 7:01 ` Eugen.Hristev
2019-10-21 14:05 ` Wolfram Sang
2019-10-21 15:23 ` Peter Rosin
2019-10-23 11:01 ` Eugen.Hristev
2019-10-23 12:19 ` Wolfram Sang
2019-10-24 18:30 ` Wolfram Sang
2019-10-25 10:05 ` Ludovic Desroches
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