linux-kernel - Re: [PATCH] dt-bindings: clock: support NXP i.MX95

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Date: Tue, 23 Jan 2024 16:07:35 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Peng Fan <peng.fan@....com>, "Peng Fan (OSS)" <peng.fan@....nxp.com>,
 "robh+dt@...nel.org" <robh+dt@...nel.org>,
 "krzysztof.kozlowski+dt@...aro.org" <krzysztof.kozlowski+dt@...aro.org>,
 "conor+dt@...nel.org" <conor+dt@...nel.org>,
 "abelvesa@...nel.org" <abelvesa@...nel.org>,
 "mturquette@...libre.com" <mturquette@...libre.com>,
 "sboyd@...nel.org" <sboyd@...nel.org>,
 "shawnguo@...nel.org" <shawnguo@...nel.org>,
 "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
 "kernel@...gutronix.de" <kernel@...gutronix.de>,
 "festevam@...il.com" <festevam@...il.com>
Cc: "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
 dl-linux-imx <linux-imx@....com>,
 "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
 "linux-arm-kernel@...ts.infradead.org"
 <linux-arm-kernel@...ts.infradead.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] dt-bindings: clock: support NXP i.MX95

On 23/01/2024 14:59, Peng Fan wrote:
>> Subject: Re: [PATCH] dt-bindings: clock: support NXP i.MX95
>>
>> On 23/01/2024 14:08, Peng Fan wrote:
>>> Hi Conor, Krzysztof
>>>
>>> I replied you both here.
>>>
>>>> Subject: Re: [PATCH] dt-bindings: clock: support NXP i.MX95
>>>>
>>>> On 21/01/2024 12:46, Peng Fan (OSS) wrote:
>>>>> From: Peng Fan <peng.fan@....com>
>>>>>
>>>>> Add i.MX95 clock dt-binding header file
>>>>>
>>>>> Signed-off-by: Peng Fan <peng.fan@....com>
>>>>
>>>> This should be squashed with respective binding patch.
>>>
>>> i.MX95 use SCMI firmware, the SCP processor handles
>>> clock/power/pinmux/reset/performance and etc.
>>>
>>> I just add the index that SCMI exports, and Linux/UBoot will use the
>>> index and go through SCMI to do real HW configuration.
>>>
>>> In such case, should I still add HW information in a yaml binding doc?
>>> I am not sure what should be added if yes.
>>
>> Then why do you need it in the binding? I don't see any use of this.
> 
> ok, should I just add the clk index header in same folder as soc dtsi?

I don't know yet. How are these being used, except SCMI firmware?

Best regards,
Krzysztof