linux-kernel - Re: [v4,2/4] dt-binding: reset-controller: ti: add 'mediatek,infra-reset' to compatible

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Message-ID: <20200825190219.GA1125997@bogus>
Date:   Tue, 25 Aug 2020 13:02:19 -0600
From:   Rob Herring <robh@...nel.org>
To:     Crystal Guo <crystal.guo@...iatek.com>
Cc:     p.zabel@...gutronix.de, matthias.bgg@...il.com,
        srv_heupstream@...iatek.com, linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, s-anna@...com, afd@...com,
        seiya.wang@...iatek.com, stanley.chu@...iatek.com,
        yingjoe.chen@...iatek.com, fan.chen@...iatek.com,
        yong.liang@...iatek.com
Subject: Re: [v4,2/4] dt-binding: reset-controller: ti: add
 'mediatek,infra-reset' to compatible

On Mon, Aug 17, 2020 at 11:03:22AM +0800, Crystal Guo wrote:
> The TI syscon reset controller provides a common reset management,
> and is suitable for MTK SoCs. Add compatible 'mediatek,infra-reset',
> which denotes to use ti reset-controller driver directly.
> 
> Signed-off-by: Crystal Guo <crystal.guo@...iatek.com>
> ---
>  Documentation/devicetree/bindings/reset/ti-syscon-reset.txt | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt b/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt
> index ab041032339b..5a0e9365b51b 100644
> --- a/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt
> +++ b/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt
> @@ -25,6 +25,7 @@ Required properties:
>  			    "ti,k2l-pscrst"
>  			    "ti,k2hk-pscrst"
>  			    "ti,syscon-reset"
> +			    "mediatek,infra-reset", "ti,syscon-reset"

You need your own binding doc. If you can use the same driver then fine, 
but that's a separate issue. There's also reset-simple driver if you 
have just array of 32-bit registers with a bit per reset.

Don't repeat 'ti,reset-bits' either.

>   - #reset-cells		: Should be 1. Please see the reset consumer node below
>  			  for usage details
>   - ti,reset-bits	: Contains the reset control register information
> -- 
> 2.18.0