linux-kernel - Re: [PATCH RESEND 1/7] dt-bindings: soc: spacemit: define spacemit,k1-ccu resets

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Message-ID: <20250322165140-GYF11633@gentoo>
Date: Sat, 22 Mar 2025 16:51:40 +0000
From: Yixun Lan <dlan@...too.org>
To: Alex Elder <elder@...cstar.com>
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
	p.zabel@...gutronix.de, mturquette@...libre.com, sboyd@...nel.org,
	heylenay@....org, guodong@...cstar.com, paul.walmsley@...ive.com,
	palmer@...belt.com, aou@...s.berkeley.edu, spacemit@...ts.linux.dev,
	devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
	linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND 1/7] dt-bindings: soc: spacemit: define
 spacemit,k1-ccu resets

Hi Alex:

On 09:27 Sat 22 Mar     , Alex Elder wrote:
> On 3/21/25 5:25 PM, Yixun Lan wrote:
> > hi Alex:
> > 
> > On 10:18 Fri 21 Mar     , Alex Elder wrote:
> >> There are additional SpacemiT syscon CCUs whose registers control both
> >> clocks and resets:  RCPU, RCPU2, and APBC2. Unlike those defined
> >> previously, these will initially support only resets.  They do not
> >> incorporate power domain functionality.
> >>
> >> Define the index values for resets associated with all SpacemiT K1
> >> syscon nodes, including those with clocks already defined, as well as
> >> the new ones (without clocks).
> >>
> >> Signed-off-by: Alex Elder <elder@...cstar.com>
> >> ---
> >>   .../soc/spacemit/spacemit,k1-syscon.yaml      |  13 +-
> >>   include/dt-bindings/clock/spacemit,k1-ccu.h   | 134 ++++++++++++++++++
> >>   2 files changed, 143 insertions(+), 4 deletions(-)
> >>
> >> diff --git a/Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-syscon.yaml b/Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-syscon.yaml
> >> index 07a6728e6f864..333c28e075b6c 100644
> >> --- a/Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-syscon.yaml
> >> +++ b/Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-syscon.yaml
> >> @@ -19,6 +19,9 @@ properties:
> >>         - spacemit,k1-syscon-apbc
> >>         - spacemit,k1-syscon-apmu
> >>         - spacemit,k1-syscon-mpmu
> >> +      - spacemit,k1-syscon-rcpu
> >> +      - spacemit,k1-syscon-rcpu2
> >> +      - spacemit,k1-syscon-apbc2
> >>   
> >>     reg:
> >>       maxItems: 1
> 
> . . .
> 
> 32
> >> @@ -180,6 +184,60 @@
> >>   #define CLK_TSEN_BUS		98
> >>   #define CLK_IPC_AP2AUD_BUS	99
> >>   
> >> +/*	APBC resets	*/
> >> +
> > I'd also suggest to drop above blank line, keep style consistent
> > with others in this file, some same below that I won't comment
> 
> OK, I'll fix the weird extra line and will drop these blank
> lines as you suggest in v2.  I'll post another version after
> Sunday.  I recognize the merge window means I can't expect
> reviews during that time, but this code is waiting for the
> clock code to get accepted anyway.
> 
no need to hurry, we will postpone clock to next merge window,
let's give more time for people to review, thanks

-- 
Yixun Lan (dlan)
Gentoo Linux Developer
GPG Key ID AABEFD55