[PATCH v2 1/5] nvmem: core: allow specifying of_node
Miquel Raynal
miquel.raynal at bootlin.com
Mon May 10 03:44:15 PDT 2021
On Sat, 2021-04-24 at 11:06:04 UTC, Michael Walle wrote:
> Until now, the of_node of the parent device is used. Some devices
> provide more than just the nvmem provider. To avoid name space clashes,
> add a way to allow specifying the nvmem cells in subnodes. Consider the
> following example:
>
> flash at 0 {
> compatible = "jedec,spi-nor";
>
> partitions {
> compatible = "fixed-partitions";
> #address-cells = <1>;
> #size-cells = <1>;
>
> partition at 0 {
> reg = <0x000000 0x010000>;
> };
> };
>
> otp {
> compatible = "user-otp";
> #address-cells = <1>;
> #size-cells = <1>;
>
> serial-number at 0 {
> reg = <0x0 0x8>;
> };
> };
> };
>
> There the nvmem provider might be the MTD partition or the OTP region of
> the flash.
>
> Add a new config->of_node parameter, which if set, will be used instead
> of the parent's of_node.
>
> Signed-off-by: Michael Walle <michael at walle.cc>
> Acked-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks.
Miquel
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