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Date:   Mon, 23 Jan 2017 19:13:06 +0300
From:   Alexander Kochetkov <al.kochet@...il.com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Heiko Stuebner <heiko@...ech.de>,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Caesar Wang <wxt@...k-chips.com>,
        Huang Tao <huangtao@...k-chips.com>
Subject: Re: [PATCH v4 2/9] ARM: dts: rockchip: update compatible property for rk3228 timer

Hello Daniel!

:
> +
> +&timer {
> +	compatible = "rockchip,rk3228-timer", "rockchip,rk3288-timer";
> +};

> 23 янв. 2017 г., в 18:40, Daniel Lezcano <daniel.lezcano@...aro.org> написал(а):
> 
> I'm not sure this is correct, to which timer &timer will refer ?
> 
>        timer {
>                compatible = "arm,armv7-timer";
> 		...
> 	}
> 
>        timer: timer@...c0000 {
>                compatible = "rockchip,rk3288-timer";
> 		...
> 	}

The block '&timer { …}' change compatible string for 'timer: timer@...c0000’ timer'. It refers to it using ’timer:’ label.
'arm,armv7-timer’ has ’timer’ node name without label and cannot be addressed in underline dts files.

> Why not change the compatible string in the timer definition in rk322x.dtsi ?

Initially my patch series was for rk3188 only. I declared rk3188 timer using rk3228 compatible string[1].
Heiko reviewed the series and suggest[2] to use another ‘compatible=‘ binding for rk3188. And
suggest[3] to update rockchip,rk-timer.txt bindings, like mmc/rockchip-dw-mshc.txt does.
So I updated rockchip,rk-timer.txt. rk322x family has has two parts rk3228 and rk3229. So I replaced
rk322x to rk3228 and rk3229 and updated dts file to match bindings.

[1] http://lists.infradead.org/pipermail/linux-rockchip/2016-November/013152.html
[2] http://lists.infradead.org/pipermail/linux-rockchip/2016-November/013174.html
[3] http://lists.infradead.org/pipermail/linux-rockchip/2016-November/013174.html

> Same comment for the other patches doing these changes.
> 
>  -- Daniel

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