Re: [PATCH v3 3/5] clk: sunxi: Add sun9i A80 cpus (cpu special) clock support

[Chen-Yu Tsai]

On Thu, Nov 26, 2015 at 1:32 AM, Maxime Ripard
<maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote:
> Hi,
>
> On Tue, Nov 24, 2015 at 05:32:14PM +0800, Chen-Yu Tsai wrote:
>> The "cpus" clock is the clock for the embedded processor in the A80.
>> It is also part of the PRCM clock tree. This clock includes a pre-
>> divider on one of its inputs. For now we are using a custom clock
>> driver for it. In the future we may want to develop a generalized
>> driver for these types of clocks, which also includes the AHB clock
>> driver on sun[5678]i.
>>
>> Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>
>> ---
>>
>> Hi Maxime,
>>
>> I'll do the factors clock refactoring mentioned during the discussion
>> around v2 later on.
>
> I have no idea what you are talking about :)

Then I guess I have more time to figure something out. :)

>>
>> ---
>>  Documentation/devicetree/bindings/clock/sunxi.txt |   1 +
>>  drivers/clk/sunxi/Makefile                        |   1 +
>>  drivers/clk/sunxi/clk-sun9i-cpus.c                | 240 ++++++++++++++++++++++
>>  3 files changed, 242 insertions(+)
>>  create mode 100644 drivers/clk/sunxi/clk-sun9i-cpus.c
>>
>> diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt
>> index b6859ed6913f..153ac72869e8 100644
>> --- a/Documentation/devicetree/bindings/clock/sunxi.txt
>> +++ b/Documentation/devicetree/bindings/clock/sunxi.txt
>> @@ -27,6 +27,7 @@ Required properties:
>>       "allwinner,sun5i-a10s-ahb-gates-clk" - for the AHB gates on A10s
>>       "allwinner,sun7i-a20-ahb-gates-clk" - for the AHB gates on A20
>>       "allwinner,sun6i-a31-ar100-clk" - for the AR100 on A31
>> +     "allwinner,sun9i-a80-cpus-clk" - for the CPUS on A80
>>       "allwinner,sun6i-a31-ahb1-clk" - for the AHB1 clock on A31
>>       "allwinner,sun6i-a31-ahb1-gates-clk" - for the AHB1 gates on A31
>>       "allwinner,sun8i-a23-ahb1-gates-clk" - for the AHB1 gates on A23
>> diff --git a/drivers/clk/sunxi/Makefile b/drivers/clk/sunxi/Makefile
>> index 121333ce34ea..07d914c3f6d1 100644
>> --- a/drivers/clk/sunxi/Makefile
>> +++ b/drivers/clk/sunxi/Makefile
>> @@ -13,6 +13,7 @@ obj-y += clk-simple-gates.o
>>  obj-y += clk-sun8i-apb0.o
>>  obj-y += clk-sun8i-mbus.o
>>  obj-y += clk-sun9i-core.o
>> +obj-y += clk-sun9i-cpus.o
>
> Same thing here, if it's only used in the A80, just compile it when
> ARCH_SUN9I is compiled.

Sure. Should I add a patch changing the ones already in? sun9i-core
and sun9i-mmc that is.

Thanks
ChenYu
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