linux-kernel - Re: [PATCH 08/16] dt-bindings: imx: gpcv2: add support for optional resets

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Message-ID: <b8f26561-e69a-0d23-f369-be3b183c9c0e@kontron.de>
Date:   Mon, 3 May 2021 16:27:05 +0200
From:   Frieder Schrempf <frieder.schrempf@...tron.de>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>, robh+dt@...nel.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        p.zabel@...gutronix.de, l.stach@...gutronix.de, krzk@...nel.org,
        agx@...xcpu.org, marex@...x.de, andrew.smirnov@...il.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, ping.bai@....com, aford173@...il.com,
        abel.vesa@....com
Subject: Re: [PATCH 08/16] dt-bindings: imx: gpcv2: add support for optional
 resets

On 29.04.21 09:30, Peng Fan (OSS) wrote:
> From: Lucas Stach <l.stach@...gutronix.de>
> 
> For some domains the resets of the devices in the domain are not
> automatically triggered. Add an optional resets property to allow
> the GPC driver to trigger those resets explicitly.
> 
> Signed-off-by: Lucas Stach <l.stach@...gutronix.de>

Rob has approved this if it includes a proper explanation on why the 
resets are not defined. See: 
https://patchwork.kernel.org/project/linux-arm-kernel/patch/20201105174434.1817539-9-l.stach@pengutronix.de/#24147743.

Can you add an explanation to the bindings in the next version?

> ---
>   Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml | 7 +++++++
>   1 file changed, 7 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml b/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml
> index a96e6dbf1858..4330c73a2c30 100644
> --- a/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml
> +++ b/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml
> @@ -66,6 +66,13 @@ properties:
>   
>             power-supply: true
>   
> +          resets:
> +            description: |
> +              A number of phandles to resets that need to be asserted during
> +              power-up sequencing of the domain.
> +            minItems: 1
> +            maxItems: 4
> +
>           required:
>             - '#power-domain-cells'
>             - reg
>