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Date:   Wed, 12 Sep 2018 23:37:24 +0800
From:   Icenowy Zheng <icenowy@...c.io>
To:     linux-arm-kernel@...ts.infradead.org, Chen-Yu Tsai <wens@...e.org>
CC:     Mark Rutland <mark.rutland@....com>,
        David Airlie <airlied@...ux.ie>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Mike Turquette <mturquette@...libre.com>,
        linux-sunxi <linux-sunxi@...glegroups.com>,
        Archit Taneja <architt@...eaurora.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Stephen Boyd <sboyd@...nel.org>,
        devicetree <devicetree@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [linux-sunxi] Re: [PATCH 02/27] arm64: allwinner: h6: add system controller device tree node



于 2018年9月12日 GMT+08:00 下午10:49:12, Chen-Yu Tsai <wens@...e.org> 写到:
>On Tue, Sep 4, 2018 at 4:44 PM Icenowy Zheng <icenowy@...c.io> wrote:
>>
>>
>>
>> 于 2018年9月4日 GMT+08:00 下午4:40:56, Chen-Yu Tsai <wens@...e.org> 写到:
>> >On Sun, Sep 2, 2018 at 3:27 PM Jernej Skrabec
><jernej.skrabec@...l.net>
>> >wrote:
>> >>
>> >> From: Icenowy Zheng <icenowy@...c.io>
>> >>
>> >> As we have already binding for the H6 system controller, add its
>node
>> >> to the device tree.
>> >>
>> >> Signed-off-by: Icenowy Zheng <icenowy@...c.io>
>> >> [fixed compatible string]
>> >> Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
>> >
>> >Reviewed-by: Chen-Yu Tsai <wens@...e.org>
>>
>> By the way can these patches be applied first? (patches
>> related to syscon).
>>
>> They're also needed for EMAC.
>
>Applied.
>
>BTW, the H6 system control EMAC register also has the internal PHY
>related controls seen on H3/H5. IIRC you previously mentioned that
>they have no effect?

Yes, because the "internal PHY" on H6 is on AC200.

The internal/external mux bit has effect (although it will mux
to a non-existent PHY when switching to "internal", render
EMAC not usable), but it also has effect on A64 (same effect
with H6), on which it's not documented.

>
>ChenYu
>
>_______________________________________________
>linux-arm-kernel mailing list
>linux-arm-kernel@...ts.infradead.org
>http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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