linux-kernel - Re: [PATCH v2 13/19] dt-bindings: nvmem: imx-ocotp: Update i.MX 8M compatibles

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Message-ID: <20200825023904.GA3837236@bogus>
Date:   Mon, 24 Aug 2020 20:39:04 -0600
From:   Rob Herring <robh@...nel.org>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Guenter Roeck <linux@...ck-us.net>,
        Li Yang <leoyang.li@....com>, Han Xu <han.xu@....com>,
        Frank Li <frank.li@....com>, Fugang Duan <fugang.duan@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mmc@...r.kernel.org, linux-mtd@...ts.infradead.org,
        linux-pwm@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-watchdog@...r.kernel.org
Subject: Re: [PATCH v2 13/19] dt-bindings: nvmem: imx-ocotp: Update i.MX 8M
 compatibles

On Mon, Aug 24, 2020 at 06:26:46PM +0200, Krzysztof Kozlowski wrote:
> DTSes with new i.MX 8M SoCs use two compatibles so update the binding to
> fix dtbs_check warnings like:
> 
>   arch/arm64/boot/dts/freescale/imx8mn-evk.dt.yaml: efuse@...50000: compatible:1: 'syscon' was expected
>     From schema: Documentation/devicetree/bindings/nvmem/imx-ocotp.yaml
> 
>   arch/arm64/boot/dts/freescale/imx8mn-evk.dt.yaml: efuse@...50000:
>     compatible: ['fsl,imx8mn-ocotp', 'fsl,imx8mm-ocotp', 'syscon'] is too long
> 
>   arch/arm64/boot/dts/freescale/imx8mn-evk.dt.yaml: efuse@...50000:
>     compatible: Additional items are not allowed ('syscon' was unexpected)
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
> ---
>  .../devicetree/bindings/nvmem/imx-ocotp.yaml  | 39 ++++++++++++-------
>  1 file changed, 24 insertions(+), 15 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/nvmem/imx-ocotp.yaml b/Documentation/devicetree/bindings/nvmem/imx-ocotp.yaml
> index 1c9d7f05f173..b5b250185afd 100644
> --- a/Documentation/devicetree/bindings/nvmem/imx-ocotp.yaml
> +++ b/Documentation/devicetree/bindings/nvmem/imx-ocotp.yaml
> @@ -19,21 +19,30 @@ allOf:
>  
>  properties:
>    compatible:
> -    items:
> -      - enum:
> -          - fsl,imx6q-ocotp
> -          - fsl,imx6sl-ocotp
> -          - fsl,imx6sx-ocotp
> -          - fsl,imx6ul-ocotp
> -          - fsl,imx6ull-ocotp
> -          - fsl,imx7d-ocotp
> -          - fsl,imx6sll-ocotp
> -          - fsl,imx7ulp-ocotp
> -          - fsl,imx8mq-ocotp
> -          - fsl,imx8mm-ocotp
> -          - fsl,imx8mn-ocotp
> -          - fsl,imx8mp-ocotp
> -      - const: syscon
> +    oneOf:
> +      - items:
> +          - enum:
> +              - fsl,imx6q-ocotp
> +              - fsl,imx6sl-ocotp
> +              - fsl,imx6sx-ocotp
> +              - fsl,imx6ul-ocotp
> +              - fsl,imx6ull-ocotp
> +              - fsl,imx7d-ocotp
> +              - fsl,imx6sll-ocotp
> +              - fsl,imx7ulp-ocotp
> +              - fsl,imx8mq-ocotp
> +              - fsl,imx8mm-ocotp

> +              - fsl,imx8mn-ocotp
> +              - fsl,imx8mp-ocotp

Should be dropped.

> +          - const: syscon
> +      - items:
> +          # The devices are not really compatible with fsl,imx8mm-ocotp, however
> +          # the code for getting SoC revision depends on fsl,imx8mm-ocotp compatible.
> +          - enum:
> +              - fsl,imx8mn-ocotp
> +              - fsl,imx8mp-ocotp
> +          - const: fsl,imx8mm-ocotp
> +          - const: syscon
>  
>    reg:
>      maxItems: 1
> -- 
> 2.17.1
>