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Message-ID: <6fa7119e-bbde-46a4-b556-2845ee2fad5b@linaro.org>
Date: Tue, 20 Feb 2024 11:16:44 +0100
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Subject: Re: [PATCH RFC v2 1/5] dt-bindings: clock: histb-clock: Add missing
 common clock and Hi3798MV200 specific clock definition
Content-Language: en-US
To: Yang Xiwen <forbidden405@outlook.com>,
 Michael Turquette <mturquette@baylibre.com>, Stephen Boyd
 <sboyd@kernel.org>, Rob Herring <robh+dt@kernel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 Conor Dooley <conor+dt@kernel.org>
Cc: David Yang <mmyangfl@gmail.com>, linux-clk@vger.kernel.org,
 devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20240217-clk-mv200-v2-0-b782e4eb66f7@outlook.com>
 <20240217-clk-mv200-v2-1-b782e4eb66f7@outlook.com>
 <875b706f-801a-4a4c-8806-411a67c5a5e7@linaro.org>
 <SEZPR06MB6959939E06B2F6068094DC3A96502@SEZPR06MB6959.apcprd06.prod.outlook.com>
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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On 20/02/2024 11:12, 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@outlook.com>
>>>
>>> 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@outlook.com>
>>> ---
>>>   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.
>>
>>> +#define HISTB_USB2_UTMI1_CLK		58
>>> +#define HISTB_USB3_REF_CLK		59
>>> +#define HISTB_USB3_GM_CLK		60
>>> +#define HISTB_USB3_GS_CLK		61
>>> +
>>> +/* Hi3798MV200 specific clocks */
>>> +
>>> +// reuse clocks of histb
>> Don't mix comment styles.
>>
>>> +#define HI3798MV200_GMAC_CLK		HISTB_ETH0_MAC_CLK
>>> +#define HI3798MV200_GMACIF_CLK		HISTB_ETH0_MACIF_CLK
>>> +#define HI3798MV200_FEMAC_CLK		HISTB_ETH1_MAC_CLK
>>> +#define HI3798MV200_FEMACIF_CLK		HISTB_ETH1_MACIF_CLK
>>> +#define HI3798MV200_FEPHY_CLK		HISTB_ETH1_PHY_CLK
>> I don't understand what do you want to achieve here. Clock IDs start
>> from 0 or 1.
> They are aliases. A friendlier name compared to ETH0/1.

Fix your email client, so it will not remove line breaks before/after
quotes. Your email client makes it unreadable.

Aliases do not bind anything, so you can drop these.

Best regards,
Krzysztof