[PATCH v3 4/5] dt-bindings: clock: Document Exynos850 CMU bindings

Sylwester Nawrocki snawrocki at kernel.org
Fri Oct 15 06:46:59 PDT 2021


On 12.10.2021 10:13, Sam Protsenko wrote:
> On Mon, 11 Oct 2021 at 13:42, Sylwester Nawrocki<s.nawrocki at samsung.com>  wrote:
>> On 11.10.2021 12:13, Sam Protsenko wrote:
>>> On Sat, 9 Oct 2021 at 23:41, Sylwester Nawrocki<snawrocki at kernel.org>  wrote:
>>>> On 08.10.2021 17:43, Sam Protsenko wrote:
>>>>> Provide dt-schema documentation for Exynos850 SoC clock controller.
>>>>>
>>>>> Signed-off-by: Sam Protsenko<semen.protsenko at linaro.org>
>>>>> Reviewed-by: Krzysztof Kozlowski<krzysztof.kozlowski at canonical.com>
>>>>> Acked-by: Chanwoo Choi<cw00.choi at samsung.com>
>> [...]
>>>>> +++ b/Documentation/devicetree/bindings/clock/samsung,exynos850-clock.yaml
>>>>> @@ -0,0 +1,185 @@
>> [...]
>>>>> +
>>>>> +title: Samsung Exynos850 SoC clock controller
>>>>> +
>>>>> +maintainers:
>>>>> +  - Sam Protsenko<semen.protsenko at linaro.org>
>>>>> +  - Chanwoo Choi<cw00.choi at samsung.com>
>>>>> +  - Krzysztof Kozlowski<krzysztof.kozlowski at canonical.com>
>>>>> +  - Sylwester Nawrocki<s.nawrocki at samsung.com>
>>>>> +  - Tomasz Figa<tomasz.figa at gmail.com>
>>>>> +
>>>>> +description: |
>>>>> +  Exynos850 clock controller is comprised of several CMU units, generating
>>>>> +  clocks for different domains. Those CMU units are modeled as separate device
>>>>> +  tree nodes, and might depend on each other. Root clocks in that clock tree are
>>>>> +  two external clocks:: OSCCLK (26 MHz) and RTCCLK (32768 Hz). Those external
>>>>> +  clocks must be defined as fixed-rate clocks in dts.
>>>>> +
>>>>> +  CMU_TOP is a top-level CMU, where all base clocks are prepared using PLLs and
>>>>> +  dividers; all other leaf clocks (other CMUs) are usually derived from CMU_TOP.
>>>>> +
>>>>> +  Each clock is assigned an identifier and client nodes can use this identifier
>>>>> +  to specify the clock which they consume. All clocks that available for usage

>>>> s/All clocks that available/All clocks available ?
>>>> No need to resend, I can amend it when applying.
>>>>
>>> Yeah, not a native speaker, I tend to do such mistakes sometimes:)
>>> Please fix when applying.
>>>
>>> Btw, I can see that you already applied 3 out of 5 patches from this
>>> patch series here: [1]. Can you please also apply the rest, or is
>>> there any outstanding comments that I missed?
>> The patches look good to me, I just wanted to allow some for Rob to have
>> a look and provide an Ack.
>>
> Can you please review this one?

The binding is rather straightforward so I applied the patch now, thank you.






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