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

Sylwester Nawrocki s.nawrocki at samsung.com
Mon Oct 11 03:42:30 PDT 2021


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.

Regards,
-- 
Sylwester Nawrocki
Samsung R&D Institute Poland



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