linux-kernel - RE: [PATCH 3/4] dt-bindings: clock: Add AST2700 clock bindings

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Message-ID:
 <OS8PR06MB75415EC7A912DBD4D21A0035F2852@OS8PR06MB7541.apcprd06.prod.outlook.com>
Date: Mon, 12 Aug 2024 09:39:50 +0000
From: Ryan Chen <ryan_chen@...eedtech.com>
To: Ryan Chen <ryan_chen@...eedtech.com>, Krzysztof Kozlowski
	<krzk@...nel.org>, Christophe JAILLET <christophe.jaillet@...adoo.fr>, Lee
 Jones <lee@...nel.org>, Rob Herring <robh@...nel.org>, Krzysztof Kozlowski
	<krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Joel Stanley
	<joel@....id.au>, Andrew Jeffery <andrew@...econstruct.com.au>, Michael
 Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, Philipp
 Zabel <p.zabel@...gutronix.de>, "devicetree@...r.kernel.org"
	<devicetree@...r.kernel.org>, "linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "linux-aspeed@...ts.ozlabs.org"
	<linux-aspeed@...ts.ozlabs.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "linux-clk@...r.kernel.org"
	<linux-clk@...r.kernel.org>
Subject: RE: [PATCH 3/4] dt-bindings: clock: Add AST2700 clock bindings

> Subject: RE: [PATCH 3/4] dt-bindings: clock: Add AST2700 clock bindings
> 
> > Subject: Re: [PATCH 3/4] dt-bindings: clock: Add AST2700 clock
> > bindings
> >
> > On 12/08/2024 10:22, Ryan Chen wrote:
> > >> Subject: Re: [PATCH 3/4] dt-bindings: clock: Add AST2700 clock
> > >> bindings
> > >>
> > >> On 12/08/2024 09:26, Ryan Chen wrote:
> > >>>> Subject: RE: [PATCH 3/4] dt-bindings: clock: Add AST2700 clock
> > >>>> bindings
> > >>>>
> > >>>>> Subject: Re: [PATCH 3/4] dt-bindings: clock: Add AST2700 clock
> > >>>>> bindings
> > >>>>>
> > >>>>> On 09/08/2024 07:47, Ryan Chen wrote:
> > >>>>>>> Subject: Re: [PATCH 3/4] dt-bindings: clock: Add AST2700 clock
> > >>>>>>> bindings
> > >>>>>>>
> > >>>>>>> Le 08/08/2024 à 09:59, Ryan Chen a écrit :
> > >>>>>>>> Add dt bindings for AST2700 clock controller
> > >>>>>>>>
> > >>>>>>>> Signed-off-by: Ryan Chen <ryan_chen@...eedtech.com>
> > >>>>>>>> ---
> > >>>>>>>>   .../dt-bindings/clock/aspeed,ast2700-clk.h    | 175
> > >>>>>>> ++++++++++++++++++
> > >>>>>>>>   1 file changed, 175 insertions(+)
> > >>>>>>>>   create mode 100644
> > >>>>>>>> include/dt-bindings/clock/aspeed,ast2700-clk.h
> > >>>>>>>>
> > >>>>>>>> diff --git a/include/dt-bindings/clock/aspeed,ast2700-clk.h
> > >>>>>>>> b/include/dt-bindings/clock/aspeed,ast2700-clk.h
> > >>>>>>>> new file mode 100644
> > >>>>>>>> index 000000000000..facf72352c3e
> > >>>>>>>> --- /dev/null
> > >>>>>>>> +++ b/include/dt-bindings/clock/aspeed,ast2700-clk.h
> > >>>>>>>> @@ -0,0 +1,175 @@
> > >>>>>>>> +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > >>>>>>>> +*/
> > >>>>>>>> +/*
> > >>>>>>>> + * Device Tree binding constants for AST2700 clock controller.
> > >>>>>>>> + *
> > >>>>>>>> + * Copyright (c) 2024 Aspeed Technology Inc.
> > >>>>>>>> + */
> > >>>>>>>> +
> > >>>>>>>> +#ifndef __DT_BINDINGS_CLOCK_AST2700_H #define
> > >>>>>>>> +__DT_BINDINGS_CLOCK_AST2700_H
> > >>>>>>>> +
> > >>>>>>>> +/* SOC0 clk-gate */
> > >>>>>>>> +#define SCU0_CLK_GATE_MCLK (0) #define
> > SCU0_CLK_GATE_ECLK (1)
> > >>>>>>>> +#define SCU0_CLK_GATE_2DCLK        (2)
> > >>>>>>>> +#define SCU0_CLK_GATE_VCLK (3) #define
> SCU0_CLK_GATE_BCLK
> > (4)
> > >>>>>>>> +#define SCU0_CLK_GATE_VGA0CLK      (5)
> > >>>>>>>> +#define SCU0_CLK_GATE_REFCLK       (6)
> > >>>>>>>> +#define SCU0_CLK_GATE_PORTBUSB2CLK (7) #define
> > >>>>> SCU0_CLK_GATE_RSV8
> > >>>>>>>> +(8)
> > >>>>>>>> +#define SCU0_CLK_GATE_UHCICLK      (9)
> > >>>>>>>> +#define SCU0_CLK_GATE_VGA1CLK      (10)
> > >>>>>>>> +#define SCU0_CLK_GATE_DDRPHYCLK    (11)
> > >>>>>>>> +#define SCU0_CLK_GATE_E2M0CLK      (12)
> > >>>>>>>> +#define SCU0_CLK_GATE_HACCLK       (13)
> > >>>>>>>> +#define SCU0_CLK_GATE_PORTAUSB2CLK (14)
> > >>>>>>>> +#define SCU0_CLK_GATE_UART4CLK     (15)
> > >>>>>>>> +#define SCU0_CLK_GATE_SLICLK       (16)
> > >>>>>>>> +#define SCU0_CLK_GATE_DACCLK       (17)
> > >>>>>>>> +#define SCU0_CLK_GATE_DP   (18)
> > >>>>>>>> +#define SCU0_CLK_GATE_E2M1CLK      (19)
> > >>>>>>>> +#define SCU0_CLK_GATE_CRT0CLK      (20)
> > >>>>>>>> +#define SCU0_CLK_GATE_CRT1CLK      (21)
> > >>>>>>>> +#define SCU0_CLK_GATE_VLCLK        (22)
> > >>>>>>>> +#define SCU0_CLK_GATE_ECDSACLK     (23)
> > >>>>>>>> +#define SCU0_CLK_GATE_RSACLK       (24)
> > >>>>>>>> +#define SCU0_CLK_GATE_RVAS0CLK     (25)
> > >>>>>>>> +#define SCU0_CLK_GATE_UFSCLK       (26)
> > >>>>>>>> +#define SCU0_CLK_GATE_EMMCCLK      (27)
> > >>>>>>>> +#define SCU0_CLK_GATE_RVAS1CLK     (28)
> > >>>>>>>> +/* reserved 29 ~ 31*/
> > >>>>>
> > >>>>> No, you cannot reserve IDs. They are always continous.
> > >>>> I think for mis-understood.
> > >>>> I will remove the comment.
> > >>>> And keep it is continuous. Thanks.
> > >>>>>
> > >>>>>>>> +#define SCU0_CLK_GATE_NUM  (SCU0_CLK_GATE_RVAS1CLK +
> > 1)
> > >>>>>
> > >>>>> No, not a binding.
> > >>>>
> > >>> I will modify by following.
> > >>>
> > >>> #define SCU0_CLK_GATE_RVAS1CLK  (28)
> > >>> #define SCU0_CLK_GATE_NUM       (SCU0_CLK_GATE_RVAS1CLK +
> 1)
> > >>
> > >> Nothing changed. Still not a binding. Why do you send the same and
> > >> expect different result? Drop.
> > >>
> > >> Address feedback sent to you from previous versions of the patchset.
> > >> There was never a reply.
> > > Sorry, mis-understood.
> > > Since you think "#define SCU0_CLK_GATE_NUM" not a binding.
> > > Do you mean I should #define SCU0_CLK_GATE_NUM in clk driver, not in
> > binding header, am I right?
> >
> > What did I write in the first Aspeed 2700 patch? So you are not going
> > to respond there? Are you going to implement entire feedback received
> > in the first version of the patchset?
> 
> Apologize again, I do the internal discussion, it should not send "Introduce
> ASPEED AST27XX BMC SoC" series patch. it should be separate series patch.
> It should be bite by bite, example clk driver patches, platform patches,
> interrupt patches.
> So I am not going to response there, prefer here.
> 
> So I still not understood your point "not a binding" is ~
> 
> 
I review your point on 
https://patchwork.kernel.org/project/linux-clk/patch/20240726110355.2181563-3-kevin_chen@aspeedtech.com/

Do you mean I should not be gate naming here, all should be clk. 
Example +#define SCU0_CLK_GATE_RVAS1CLK -> +#define SCU0_CLK_RVAS1 am I right?

> 
> >
> > Drop from the header. I am not saying you need to define it in the
> > driver, because maybe it is pointless anyway.
> >
> > Best regards,
> > Krzysztof