[PATCH v6 4/9] nvmem: Add bindings for simple nvmem framework
stefan.wahren at i2se.com
Tue Jun 23 13:35:35 PDT 2015
> Srinivas Kandagatla <srinivas.kandagatla at linaro.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 at free-electrons.com>
> [Maxime Ripard: intial version of eeprom framework]
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.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
> 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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