[linux-sunxi] Re: [PATCH v5 02/11] clk: sunxi-ng: add support for DE2 CCU

Maxime Ripard maxime.ripard at free-electrons.com
Thu Apr 27 03:12:37 EDT 2017


On Mon, Apr 24, 2017 at 06:26:51PM +0800, icenowy at aosc.io wrote:
> 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.

Then remove the A64 compatible from the binding document.

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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