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Groups > linux.kernel > #1557668
| From | Maxime Ripard <maxime.ripard@free-electrons.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/5] clk: sunxi-ng: add support for V3s CCU |
| Date | 2017-01-12 18:50 +0100 |
| Message-ID | <sYRFE-6Pt-43@gated-at.bofh.it> (permalink) |
| References | <sYRFE-6Pt-45@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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On Fri, Jan 13, 2017 at 01:31:41AM +0800, Icenowy Zheng wrote: > > 2017年1月13日 01:19于 Maxime Ripard <maxime.ripard@free-electrons.com>写道： > > > > On Thu, Jan 12, 2017 at 03:44:53AM +0800, Icenowy Zheng wrote: > > > > > > > > > 12.01.2017, 03:40, "Icenowy Zheng" <icenowy@aosc.xyz>: > > > > 11.01.2017, 02:10, "Maxime Ripard" <maxime.ripard@free-electrons.com>: > > > >> On Tue, Jan 03, 2017 at 11:16:26PM +0800, Icenowy Zheng wrote: > > > >>> V3s has a similar but cut-down CCU to H3. > > > >>> > > > >>> Add support for it. > > > >>> > > > >>> Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz> > > > >> > > > >> It looks like there's nothing different but the clocks that you > > > >> register with the H3, please just use the H3 driver. > > > > > > > > Nope. > > > > > > > > It has a different PLL (PLL_ISP) at different address, and some > > > > different muxes. > > > > > > Forgot to mention the missing of PLL_DE and related misses. > > > > Those are not conflicting, it's just a slightly different set of > > clocks. > > If saying so, we can have only one ccu driver, and make every ccu > register different set ;-) > > V3s itself is a totally different SoC with H3. > > The relationship of V3s and H3 can be farther than the relationship > of A33 and H3😃 A33 and H3 are an entirely different story. The H3 and A33 have conflicting clocks (ie same clocks with different parameters). This is not your case. Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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Re: [PATCH 2/5] clk: sunxi-ng: add support for V3s CCU Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-01-12 18:50 +0100
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