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

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Date:   Fri, 15 Oct 2021 15:46:59 +0200
From:   Sylwester Nawrocki <snawrocki@...nel.org>
To:     Sam Protsenko <semen.protsenko@...aro.org>
Cc:     Ryu Euiyoul <ryu.real@...sung.com>, Tom Gall <tom.gall@...aro.org>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        John Stultz <john.stultz@...aro.org>,
        Amit Pundir <amit.pundir@...aro.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Samsung SOC <linux-samsung-soc@...r.kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Tomasz Figa <tomasz.figa@...il.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH v3 4/5] dt-bindings: clock: Document Exynos850 CMU
 bindings

On 12.10.2021 10:13, Sam Protsenko wrote:
> On Mon, 11 Oct 2021 at 13:42, Sylwester Nawrocki<s.nawrocki@...sung.com>  wrote:
>> On 11.10.2021 12:13, Sam Protsenko wrote:
>>> On Sat, 9 Oct 2021 at 23:41, Sylwester Nawrocki<snawrocki@...nel.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@...aro.org>
>>>>> Reviewed-by: Krzysztof Kozlowski<krzysztof.kozlowski@...onical.com>
>>>>> Acked-by: Chanwoo Choi<cw00.choi@...sung.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@...aro.org>
>>>>> +  - Chanwoo Choi<cw00.choi@...sung.com>
>>>>> +  - Krzysztof Kozlowski<krzysztof.kozlowski@...onical.com>
>>>>> +  - Sylwester Nawrocki<s.nawrocki@...sung.com>
>>>>> +  - Tomasz Figa<tomasz.figa@...il.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.