[linux-sunxi] Re: [PATCH v5 02/11] clk: sunxi-ng: add support for DE2 CCU
icenowy at aosc.io
icenowy at aosc.io
Mon Apr 24 06:26:51 EDT 2017
在 2017-04-24 16:51,Maxime Ripard 写道:
> Hi,
>
> On Sun, Apr 23, 2017 at 06:37:45PM +0800, Icenowy Zheng wrote:
>> +static const struct of_device_id sunxi_de2_clk_ids[] = {
>> + {
>> + .compatible = "allwinner,sun8i-a83t-de2-clk",
>> + .data = &sun8i_a83t_de2_clk_desc,
>> + },
>> + {
>> + .compatible = "allwinner,sun50i-h5-de2-clk",
>> + .data = &sun50i_a64_de2_clk_desc,
>> + },
>> + /*
>> + * The Allwinner A64 SoC needs some bit to be poke in syscon to make
>> + * DE2 really working.
>> + * So there's currently no A64 compatible here.
>> + * H5 shares the same reset line with A64, so here H5 is using the
>> + * clock description of A64.
>> + */
>> + { }
>> +};
>
> So that A64 driver would require more than just what you defined in
> the binding in order to operate?
Yes. When trying to do A64 driver, I will send out first a patch to
add the needed binding bit.
>
> Maxime
>
> --
> Maxime Ripard, Free Electrons
> Embedded Linux and Kernel engineering
> http://free-electrons.com
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