Messages in this thread | | | Date | Thu, 2 Nov 2017 00:11:25 -0700 | From | Stephen Boyd <> | Subject | Re: [PATCH 0/2] Add a regmap to Allwinner R40 CCU to export GMAC register |
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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?
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