[PATCH V3 1/2] dt-bindings: nvmem: mmio: new binding for MMIO accessible NVMEM devices

[Rob Herring]

On Mon, 20 Feb 2023 18:49:29 +0100, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal at milecki.pl>
> 
> Content of some NVMEM devices can be read using MMIO. Some of them
> (probably very few though) may be also programmable that way. Add
> generic binding to allow describing such hardware.
> 
> This *doesn't* apply to any more complicated devices that need more
> complex interface e.g. for writing. While such devices could be
> supported for reading purposes by the same driver - they should get
> their own binding.
> 
> This binding will gain even more usability once we fully support NVMEM
> layouts (describing content of NVMEM devices in an independent way).
> 
> Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
> ---
> V3: Make it clear this binding should NOT be used for more complex devices
> ---
>  .../devicetree/bindings/nvmem/mmio.yaml       | 50 +++++++++++++++++++
>  1 file changed, 50 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/nvmem/mmio.yaml
> 

Reviewed-by: Rob Herring <robh at kernel.org>