Re: [PATCH RFC v2 1/5] dt-bindings: clock: histb-clock: Add missing common clock and Hi3798MV200 specific clock definition

From: Krzysztof Kozlowski
Date: Tue Feb 20 2024 - 11:14:00 EST


On 20/02/2024 15:06, Yang Xiwen wrote:
> On 2/20/2024 6:10 PM, Krzysztof Kozlowski wrote:
>> On 17/02/2024 13:52, Yang Xiwen via B4 Relay wrote:
>>> From: Yang Xiwen <forbidden405@xxxxxxxxxxx>
>>>
>>> According to the datasheet, some clocks are missing, add their
>>> definitions first.
>>>
>>> Some aliases for hi3798mv200 are also introduced.
>>>
>>> Signed-off-by: Yang Xiwen <forbidden405@xxxxxxxxxxx>
>>> ---
>>> include/dt-bindings/clock/histb-clock.h | 21 +++++++++++++++++++++
>>> 1 file changed, 21 insertions(+)
>>>
>>> diff --git a/include/dt-bindings/clock/histb-clock.h b/include/dt-bindings/clock/histb-clock.h
>>> index e64e5770ada6..68a53053586a 100644
>>> --- a/include/dt-bindings/clock/histb-clock.h
>>> +++ b/include/dt-bindings/clock/histb-clock.h
>>> @@ -58,6 +58,27 @@
>>> #define HISTB_USB3_UTMI_CLK1 48
>>> #define HISTB_USB3_PIPE_CLK1 49
>>> #define HISTB_USB3_SUSPEND_CLK1 50
>>> +#define HISTB_SDIO1_BIU_CLK 51
>>> +#define HISTB_SDIO1_CIU_CLK 52
>>> +#define HISTB_SDIO1_DRV_CLK 53
>>> +#define HISTB_SDIO1_SAMPLE_CLK 54
>>> +#define HISTB_ETH0_PHY_CLK 55
>>> +#define HISTB_ETH1_PHY_CLK 56
>>> +#define HISTB_WDG0_CLK 57
>>> +#define HISTB_USB2_UTMI0_CLK HISTB_USB2_UTMI_CLK
>> Why? It's anyway placed oddly, the entries are ordered by number/value.
>
>
> So this is somewhat broken at the beginning. It named after
> histb-clock.h but actually they are all clocks for Hi3798CV200 SoC. For
> Hi3798MV200(also a HiSTB SoC), there is one additional UTMI clock.
>
>
> What solution do you prefer? rename UTMI_CLK to UTMI0_CLK, add UTMI1_CLK
> after it and increment all the indexes after it? Then the diff would be
> very ugly.

I still don't understand what is the problem you are trying to solve
here. Your commit msg says add missing ID, but that ID -
HISTB_USB2_UTMI_CLK - is already there.

I also do not get why there is a need to rename anything.



Best regards,
Krzysztof