linux-kernel - Re: [PATCH REBASED 1/2] dt-bindings: nvmem: extract NVMEM cell to separated file

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Date:   Fri, 11 Feb 2022 06:50:33 -0600
From:   Rob Herring <robh@...nel.org>
To:     Rafał Miłecki <zajec5@...il.com>
Cc:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Michael Walle <michael@...le.cc>,
        linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        netdev@...r.kernel.org, Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Shawn Guo <shawnguo@...nel.org>, Li Yang <leoyang.li@....com>,
        Frank Rowand <frowand.list@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Ansuel Smith <ansuelsmth@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Rafał Miłecki <rafal@...ecki.pl>
Subject: Re: [PATCH REBASED 1/2] dt-bindings: nvmem: extract NVMEM cell to
 separated file

On Wed, Jan 26, 2022 at 08:07:44AM +0100, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@...ecki.pl>
> 
> This will allow adding binding for more specific cells and reusing
> (sharing) common code.
> 
> Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>
> ---
>  .../devicetree/bindings/nvmem/cells/cell.yaml | 34 +++++++++++++++++++

Why the 'cells' subdir? cell.yaml is a bit generic for me as DT defines 
'cell' which is different from nvmem cell. While we have the path to 
distinguish, '$ref: cell.yaml' doesn't.


>  .../devicetree/bindings/nvmem/nvmem.yaml      | 22 +-----------
>  2 files changed, 35 insertions(+), 21 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/nvmem/cells/cell.yaml
> 
> diff --git a/Documentation/devicetree/bindings/nvmem/cells/cell.yaml b/Documentation/devicetree/bindings/nvmem/cells/cell.yaml
> new file mode 100644
> index 000000000000..adfc2e639f43
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/nvmem/cells/cell.yaml
> @@ -0,0 +1,34 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/nvmem/cells/cell.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NVMEM cell
> +
> +maintainers:
> +  - Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> +
> +description: NVMEM cell is a data entry of NVMEM device.
> +
> +properties:
> +  reg:
> +    maxItems: 1
> +    description:
> +      Offset and size in bytes within the storage device.
> +
> +  bits:
> +    $ref: /schemas/types.yaml#/definitions/uint32-array
> +    items:
> +      - minimum: 0
> +        maximum: 7
> +        description:
> +          Offset in bit within the address range specified by reg.
> +      - minimum: 1
> +        description:
> +          Size in bit within the address range specified by reg.
> +
> +required:
> +  - reg
> +
> +additionalProperties: true
> diff --git a/Documentation/devicetree/bindings/nvmem/nvmem.yaml b/Documentation/devicetree/bindings/nvmem/nvmem.yaml
> index 43ed7e32e5ac..b79b51e98ee8 100644
> --- a/Documentation/devicetree/bindings/nvmem/nvmem.yaml
> +++ b/Documentation/devicetree/bindings/nvmem/nvmem.yaml
> @@ -41,27 +41,7 @@ properties:
>  
>  patternProperties:
>    "@[0-9a-f]+(,[0-7])?$":
> -    type: object
> -
> -    properties:
> -      reg:
> -        maxItems: 1
> -        description:
> -          Offset and size in bytes within the storage device.
> -
> -      bits:
> -        $ref: /schemas/types.yaml#/definitions/uint32-array
> -        items:
> -          - minimum: 0
> -            maximum: 7
> -            description:
> -              Offset in bit within the address range specified by reg.
> -          - minimum: 1
> -            description:
> -              Size in bit within the address range specified by reg.
> -
> -    required:
> -      - reg
> +    $ref: cells/cell.yaml#
>  
>  additionalProperties: true
>  
> -- 
> 2.31.1
> 
>