linux-kernel - Re: [PATCH dt-schema.git] schemas: add NVMEM cell with #nvmem-cell-cells

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Message-ID: <0a207dda53cd04b40c80fc5950a7d067@walle.cc>
Date:   Mon, 21 Nov 2022 12:02:52 +0100
From:   Michael Walle <michael@...le.cc>
To:     Rafał Miłecki <zajec5@...il.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Rafał Miłecki <rafal@...ecki.pl>
Subject: Re: [PATCH dt-schema.git] schemas: add NVMEM cell with
 #nvmem-cell-cells

Am 2022-11-21 11:58, schrieb Rafał Miłecki:
> From: Rafał Miłecki <rafal@...ecki.pl>
> 
> Some NVMEM cells may provide more than 1 value. An example can be base
> MAC address that is used for calculating multiple MACs (for few
> different devices). For specifying value to read phandle needs to be
> used with an argument.
> 
> Cc: Srinivas Kandagatla" <srinivas.kandagatla@...aro.org>
> Cc: Michael Walle <michael@...le.cc>
> Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>
> ---
> This bit is required for moving forward with the
> [PATCH v2 00/20] nvmem: core: introduce NVMEM layouts
> https://lore.kernel.org/linux-arm-kernel/20220901221857.2600340-1-michael@walle.cc/
> 
> As pointed out by Rob #nvmem-cell-cells should be added to the 
> dt-schema
> and not a Linux binding:
> Re: [PATCH v2 15/20] dt-bindings: nvmem: add YAML schema for the sl28 
> vpd layout
> https://lore.kernel.org/linux-arm-kernel/20220912192038.GA1661550-robh@kernel.org/
> 
> sl28 is one example that needs #nvmem-cell-cells
> u-boot,env is another one
> 
> Please let me know if I got this binding right at all.

There is also a pull request:
https://github.com/devicetree-org/dt-schema/pull/89

I'm not sure about the correct way to submit patches to dtschema.

-michael