linux-kernel - Re: [PATCH v6 04/12] dt-binding: gce: add binding for gce event property

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Date:   Fri, 24 May 2019 16:54:07 -0500
From:   Rob Herring <robh@...nel.org>
To:     Bibby Hsieh <bibby.hsieh@...iatek.com>
Cc:     Jassi Brar <jassisinghbrar@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        CK HU <ck.hu@...iatek.com>,
        Daniel Kurtz <djkurtz@...omium.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, srv_heupstream@...iatek.com,
        Sascha Hauer <kernel@...gutronix.de>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Nicolas Boichat <drinkcat@...omium.org>,
        YT Shen <yt.shen@...iatek.com>,
        Daoyuan Huang <daoyuan.huang@...iatek.com>,
        Jiaguang Zhang <jiaguang.zhang@...iatek.com>,
        Dennis-YC Hsieh 
        <dennis-yc.hsimediatek/mtkcam/drv/fdvt/4.0/cam_fdvt_v4l2.cppeh@...iatek.com>,
        Houlong Wei <houlong.wei@...iatek.com>, ginny.chen@...iatek.com
Subject: Re: [PATCH v6 04/12] dt-binding: gce: add binding for gce event
 property

On Thu, May 16, 2019 at 05:02:16PM +0800, Bibby Hsieh wrote:
> Client hardware would send event to GCE hardware,
> mediatek,gce-event-names and mediatek,gce-events

We removed mediatek,gce-event-names?

> can be used to present the event.
> 
> Signed-off-by: Bibby Hsieh <bibby.hsieh@...iatek.com>
> ---
>  Documentation/devicetree/bindings/mailbox/mtk-gce.txt | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt
> index dceab63ccd06..265bb58da7bd 100644
> --- a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt
> +++ b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt
> @@ -35,6 +35,8 @@ Required properties for a client device:
>  Optional properties for a client device:
>  - mediatek,gce-client-reg: u32, specify the sub-system id which is corresponding
>    to the register address.
> +- mediatek,gce-events: u32, the event number defined in
> +  'dt-bindings/gce/mt8173-gce.h' or 'dt-binding/gce/mt8183-gce.h'.

This and the example don't match. Is it an u32 or an array of u32? If 
the latter, how many elements?

>  
>  Some vaules of properties are defined in 'dt-bindings/gce/mt8173-gce.h'
>  or 'dt-binding/gce/mt8183-gce.h'. Such as sub-system ids, thread priority, event ids.
> @@ -57,8 +59,8 @@ Example for a client device:
>  		compatible = "mediatek,mt8173-mmsys";
>  		mboxes = <&gce 0 CMDQ_THR_PRIO_LOWEST 1>,
>  			 <&gce 1 CMDQ_THR_PRIO_LOWEST 1>;
> -		mutex-event-eof = <CMDQ_EVENT_MUTEX0_STREAM_EOF
> -				CMDQ_EVENT_MUTEX1_STREAM_EOF>;
> +		mediatek,gce-events = <CMDQ_EVENT_MDP_RDMA0_SOF>,
> +				      <CMDQ_EVENT_MDP_RSZ0_SOF>;
>  		mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x3000 0x1000>,
>  					  <&gce SUBSYS_1401XXXX 0x2000 0x100>;
>  		...
> -- 
> 2.18.0
>