linux-kernel - 回复: [PATCH v7 1/3] dt-bindings: soc: cix: document the simple-mfd syscon on Sky1 SoC

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Message-ID:
 <TYUPR06MB587652FD43724BE26B15975DEF99A@TYUPR06MB5876.apcprd06.prod.outlook.com>
Date: Thu, 5 Feb 2026 10:39:06 +0000
From: Gary Yang <gary.yang@...tech.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
CC: "robh@...nel.org" <robh@...nel.org>, "krzk+dt@...nel.org"
	<krzk+dt@...nel.org>, "conor+dt@...nel.org" <conor+dt@...nel.org>,
	"p.zabel@...gutronix.de" <p.zabel@...gutronix.de>, Peter Chen
	<peter.chen@...tech.com>, "unicorn_wang@...look.com"
	<unicorn_wang@...look.com>, "inochiama@...il.com" <inochiama@...il.com>,
	"alchark@...il.com" <alchark@...il.com>, "devicetree@...r.kernel.org"
	<devicetree@...r.kernel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, cix-kernel-upstream
	<cix-kernel-upstream@...tech.com>
Subject:
 回复: [PATCH v7 1/3] dt-bindings: soc: cix: document the simple-mfd syscon on Sky1 SoC

Hi Krzysztof:

I'm glad to see your comments

> EXTERNAL EMAIL
> 
> On Wed, Feb 04, 2026 at 10:06:42AM +0800, Gary Yang wrote:
> > There are two system control on Cix sky1 Soc. One is located in S0
> > domain, and the other is located in S0 and S5 domain. The system
> > control contains resets, usb typeC and more. At this point, only the
> > reset controller child is described as usb typeC uses it by phandle.
> >
> > Signed-off-by: Gary Yang <gary.yang@...tech.com>
> > ---
> >  .../soc/cix/cix,sky1-system-control.yaml      |  49 ++++++
> >  include/dt-bindings/reset/cix,sky1-rst-fch.h  |  42 +++++
> >  include/dt-bindings/reset/cix,sky1-rst.h      | 164
> ++++++++++++++++++
> >  3 files changed, 255 insertions(+)
> >  create mode 100644
> > Documentation/devicetree/bindings/soc/cix/cix,sky1-system-control.yaml
> >  create mode 100644 include/dt-bindings/reset/cix,sky1-rst-fch.h
> >  create mode 100644 include/dt-bindings/reset/cix,sky1-rst.h
> >
> > diff --git
> > a/Documentation/devicetree/bindings/soc/cix/cix,sky1-system-control.ya
> > ml
> > b/Documentation/devicetree/bindings/soc/cix/cix,sky1-system-control.ya
> > ml
> > new file mode 100644
> > index 000000000000..5fb6b97c3c00
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/soc/cix/cix,sky1-system-contro
> > +++ l.yaml
> > @@ -0,0 +1,49 @@
> > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause %YAML 1.2
> > +---
> > +$id:
> > +http://devicetree.org/schemas/soc/cix/cix,sky1-system-control.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Cix Sky1 SoC system control register region
> > +
> > +maintainers:
> > +  - Gary Yang <gary.yang@...tech.com>
> > +
> > +description:
> > +  An wide assortment of registers of the system controller on Sky1
> > +SoC,
> > +  including resets, usb, wakeup sources and so on.
> > +
> > +properties:
> > +  compatible:
> > +    items:
> > +      - enum:
> > +          - cix,sky1-system-control
> > +          - cix,sky1-s5-system-control
> > +      - const: syscon
> > +      - const: simple-mfd
> 
> Drop simple-mfd, no children
> 

Yes, just now there is no child nodes. We want to reserve it for further.
If you feel confuse, we can also delete this strings.

> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  '#address-cells':
> 
> Drop, no children

The same as above

> 
> > +    const: 1
> > +
> > +  '#size-cells':
> 
> Drop
> 

same

> Do you see any recent simple-mfd binding written like this? There are no. Did
> you read any of other bindings before sending this? Or at least my slides or
> amny other resources from vast documentation from elinux.org?
> 

This yaml comes from microchip,mpfs-mss-top-sysreg.yaml as conor's suggestions on V3.
More info: https://patchwork.kernel.org/project/linux-arm-kernel/patch/20251124063235.952136-2-gary.yang@cixtech.com/
If you have the different views, please give more information. Thanks

If miss any information, please remind me.

Best Regards
Gary

> Best regards,
> Krzysztof