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Subject: Re: [PATCH v3 08/19] dt-bindings: watchdog: fsl-imx-wdt: Add i.MX 8M
 compatibles
To:     Krzysztof Kozlowski <krzk@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Linus Walleij <linus.walleij@linaro.org>,
        Bartosz Golaszewski <bgolaszewski@baylibre.com>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Fabio Estevam <festevam@gmail.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        Miquel Raynal <miquel.raynal@bootlin.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Thierry Reding <thierry.reding@gmail.com>,
        Anson Huang <Anson.Huang@nxp.com>,
        Li Yang <leoyang.li@nxp.com>, Han Xu <han.xu@nxp.com>,
        Frank Li <frank.li@nxp.com>, Fugang Duan <fugang.duan@nxp.com>,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org,
        linux-pwm@vger.kernel.org, linux-serial@vger.kernel.org,
        linux-pm@vger.kernel.org, linux-watchdog@vger.kernel.org
References: <20200825193536.7332-1-krzk@kernel.org>
 <20200825193536.7332-9-krzk@kernel.org>
From:   Guenter Roeck <linux@roeck-us.net>
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Message-ID: <88bcb8db-1e19-fdf6-6527-6f3755cd5709@roeck-us.net>
Date:   Tue, 25 Aug 2020 15:21:19 -0700
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On 8/25/20 12:35 PM, Krzysztof Kozlowski wrote:
> DTSes with new i.MX 8M SoCs introduce their own compatibles so add them
> to fix dtbs_check warnings like:
> 
>   arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dt.yaml: watchdog@30280000:
>     compatible:0: 'fsl,imx8mm-wdt' is not one of ['fsl,imx21-wdt']
>     From schema: Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml
> 
>   arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dt.yaml: watchdog@30280000:
>     compatible: ['fsl,imx8mm-wdt', 'fsl,imx21-wdt'] is too long
> 
>   arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dt.yaml: watchdog@30280000:
>     compatible: Additional items are not allowed ('fsl,imx21-wdt' was unexpected)
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
> Reviewed-by: Rob Herring <robh@kernel.org>

Reviewed-by: Guenter Roeck <linux@roeck-us.net>

> ---
>  .../devicetree/bindings/watchdog/fsl-imx-wdt.yaml     | 11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml
> index d96b93b11fad..991b4e33486e 100644
> --- a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml
> +++ b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml
> @@ -14,8 +14,15 @@ allOf:
>  
>  properties:
>    compatible:
> -    enum:
> -      - fsl,imx21-wdt
> +    oneOf:
> +      - const: fsl,imx21-wdt
> +      - items:
> +          - enum:
> +              - fsl,imx8mm-wdt
> +              - fsl,imx8mn-wdt
> +              - fsl,imx8mp-wdt
> +              - fsl,imx8mq-wdt
> +          - const: fsl,imx21-wdt
>  
>    reg:
>      maxItems: 1
>