linux-kernel - Re: [PATCH v6 4/9] nvmem: Add bindings for simple nvmem framework

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Date:	Tue, 23 Jun 2015 22:35:35 +0200 (CEST)
From:	Stefan Wahren <stefan.wahren@...e.com>
To:	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-arm-kernel@...ts.infradead.org
Cc:	wxt@...k-chips.com, linux-api@...r.kernel.org,
	Kumar Gala <galak@...eaurora.org>,
	Rob Herring <robh+dt@...nel.org>, sboyd@...eaurora.org,
	arnd@...db.de, s.hauer@...gutronix.de,
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	mporter@...sulko.com,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	pantelis.antoniou@...sulko.com, devicetree@...r.kernel.org,
	Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH v6 4/9] nvmem: Add bindings for simple nvmem framework


> Srinivas Kandagatla <srinivas.kandagatla@...aro.org> hat am 23. Juni 2015 um
> 01:08 geschrieben:
>
>
> This patch adds bindings for simple nvmem framework which allows nvmem
> consumers to talk to nvmem providers to get access to nvmem cell data.
>
> Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
> [Maxime Ripard: intial version of eeprom framework]
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> ---
> Documentation/devicetree/bindings/nvmem/nvmem.txt | 85 +++++++++++++++++++++++
> 1 file changed, 85 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/nvmem/nvmem.txt
>
> diff --git a/Documentation/devicetree/bindings/nvmem/nvmem.txt
> b/Documentation/devicetree/bindings/nvmem/nvmem.txt
> new file mode 100644
> index 0000000..d1a37e7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/nvmem/nvmem.txt
> @@ -0,0 +1,85 @@
> += NVMEM(Non Volatile Memory) Data Device Tree Bindings =
> +
> +This binding is intended to represent the location of hardware
> +configuration data stored in NVMEMs like eeprom, efuses and so on.
> +
> +On a significant proportion of boards, the manufacturer has stored
> +some data on NVMEM, for the OS to be able to retrieve these information
> +and act upon it. Obviously, the OS has to know about where to retrieve
> +these data from, and where they are stored on the storage device.
> +
> +This document is here to document this.
> +
> += Data providers =
> +Contains bindings specific to provider drivers and data cells as children
> +of this node.
> +
> +Optional properties:
> + read-only: Mark the provider as read only.
> +
> += Data cells =
> +These are the child nodes of the provider which contain data cell
> +information like offset and size in nvmem provider.
> +
> +Required properties:
> +reg: specifies the offset in byte within that storage device, start bit
> + in the byte and the length in bits of the data we care about.

Is the second parameter really in bits, not bytes?
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