From: Icenowy Zheng <icenowy@aosc.io>
To: Stephen Boyd <sboyd@codeaurora.org>
Cc: linux-arm-kernel@lists.infradead.org,
Maxime Ripard <maxime.ripard@free-electrons.com>,
Chen-Yu Tsai <wens@csie.org>,
linux-sunxi@googlegroups.com, linux-clk@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/2] Add a regmap to Allwinner R40 CCU to export GMAC register
Date: Thu, 02 Nov 2017 15:49:13 +0800 [thread overview]
Message-ID: <30ef499cba17ed6ccefcc22444fbf271@aosc.io> (raw)
In-Reply-To: <20171102071125.GL30645@codeaurora.org>
在 2017-11-02 15:11,Stephen Boyd 写道:
> On 10/09, Icenowy Zheng wrote:
>>
>>
>> 于 2017年10月9日 GMT+08:00 下午3:18:09, Maxime Ripard
>> <maxime.ripard@free-electrons.com> 写到:
>> >On Fri, Oct 06, 2017 at 06:33:31AM +0000, Icenowy Zheng wrote:
>> >> In the CCU of the Allwinner R40 SoC, there's a GMAC configuration
>> >register,
>> >> which is intended to be accessed by the dwmac-sun8i driver. On SoCs
>> >already
>> >> supported by the driver the register is placed in the syscon rather
>> >than
>> >> the CCU.
>> >>
>> >> As CCU is a critical part of the SoC, so write to it should be
>> >strictly
>> >> limited. A regmap with restricted write permission is created by the
>> >R40
>> >> CCU driver, and can be get with dev_get_regmap. In order to tie the
>> >regmap
>> >> to the CCU device, the R40 CCU is now a platform driver, so a
>> >platform
>> >> device is created for it (and then tied with the regmap).
>> >>
>> >> The first patch does the conversion of the driver to a platform
>> >driver,
>> >> and the second patch adds the regmap.
>> >
>> >I'd like to see first what you want to do with it.
>>
>> Export the GMAC configuration register to dwmac-sun8i.
>>
>
> Is this series going to be reposted?
Yes, thanks.
prev parent reply other threads:[~2017-11-02 7:49 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-06 6:33 [PATCH 0/2] Add a regmap to Allwinner R40 CCU to export GMAC register Icenowy Zheng
2017-10-06 6:33 ` [PATCH 1/2] clk: sunxi-ng: r40: rewrite init code to a platform driver Icenowy Zheng
2017-10-06 6:33 ` [PATCH 2/2] clk: sunxi-ng: r40: export a regmap to access the GMAC register Icenowy Zheng
2017-10-09 7:18 ` [PATCH 0/2] Add a regmap to Allwinner R40 CCU to export " Maxime Ripard
2017-10-09 7:22 ` Icenowy Zheng
2017-11-02 7:11 ` Stephen Boyd
2017-11-02 7:49 ` Icenowy Zheng [this message]
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