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Message-ID:
<TYUPR06MB58769733681E924DB1CD8DC2EF9EA@TYUPR06MB5876.apcprd06.prod.outlook.com>
Date: Thu, 29 Jan 2026 01:58:34 +0000
From: Gary Yang <gary.yang@...tech.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, "lee@...nel.org" <lee@...nel.org>,
"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>
CC: "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 v4 1/3] dt-bindings: reset: add sky1 reset controller
Hi Krzysztof:
I'm glad to see your comments.
> EXTERNAL EMAIL
>
> On 28/01/2026 10:36, Gary Yang wrote:
> > There are two reset controllers on Cix sky1 Soc.
> > One is located in S0 domain, and the other is located in S0 and S5
> > domain.
>
> Please wrap commit message according to Linux coding style / submission
> process (neither too early nor over the limit):
> https://elixir.bootlin.com/linux/v6.4-rc1/source/Documentation/process/subm
> itting-patches.rst#L597
>
Yes, we will fix it
> >
> > Signed-off-by: Gary Yang <gary.yang@...tech.com>
> > Link:
> > https://lore.kernel.org/r/20251124063235.952136-2-gary.yang@cixtech.co
> > m
> > Signed-off-by: Peter Chen <peter.chen@...tech.com>
> > ---
> > .../devicetree/bindings/mfd/syscon.yaml | 7 +
> > .../bindings/reset/cix,sky1-rst.yaml | 46 +++++
> > .../soc/cix/cix,sky1-system-controller.yaml | 48 +++++
> > include/dt-bindings/reset/cix,sky1-rst-fch.h | 42 +++++
> > include/dt-bindings/reset/cix,sky1-rst.h | 164
> ++++++++++++++++++
> > 5 files changed, 307 insertions(+)
> > create mode 100644
> > Documentation/devicetree/bindings/reset/cix,sky1-rst.yaml
> > create mode 100644
> > Documentation/devicetree/bindings/soc/cix/cix,sky1-system-controller.y
> > aml 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/mfd/syscon.yaml
> > b/Documentation/devicetree/bindings/mfd/syscon.yaml
> > index 55efb83b1495..be864a6b8efb 100644
> > --- a/Documentation/devicetree/bindings/mfd/syscon.yaml
> > +++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
> > @@ -170,6 +170,8 @@ properties:
> > - cirrus,ep7209-syscon1
> > - cirrus,ep7209-syscon2
> > - cirrus,ep7209-syscon3
> > + - cix,sky1-system-controller
> > + - cix,sky1-s5-system-controller
> > - cnxt,cx92755-uc
> > - freecom,fsg-cs2-system-controller
> > - fsl,imx93-aonmix-ns-syscfg @@ -254,6 +256,11 @@
> > properties:
> > - const: microchip,pic64gx-sysreg-scb
> > - const: microchip,mpfs-sysreg-scb
> > - const: syscon
> > + - items:
> > + - enum:
> > + - cix,sky1-system-controller
> > + - cix,sky1-s5-system-controller
> > + - const: syscon
>
> Do not create your own style. Cix is not special. There is already an enum for
> EVERYONE.
>
> >
> > reg:
> > maxItems: 1
>
> Independent patch. Please do not combine unrelated patches into one.
>
We will delete all changes as Conor's suggestions
>
> > diff --git a/Documentation/devicetree/bindings/reset/cix,sky1-rst.yaml
> > b/Documentation/devicetree/bindings/reset/cix,sky1-rst.yaml
> > new file mode 100644
> > index 000000000000..4323acdc2c45
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/reset/cix,sky1-rst.yaml
> > @@ -0,0 +1,46 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/reset/cix,sky1-rst.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: CIX Sky1 Reset Controller
> > +
> > +maintainers:
> > + - Gary Yang <gary.yang@...tech.com>
> > +
> > +description: |
> > + CIX Sky1 reset controller can be used to reset various set of peripherals.
> > + There are two reset controllers, one is located in S0 domain, the
> > +other
> > + is located in S0 and S5 domain.
> > +
> > + See also:
> > + - include/dt-bindings/reset/cix,sky1-rst.h
> > +
> > +properties:
> > + compatible:
> > + items:
> > + - enum:
> > + - cix,sky1-rst
> > + - cix,sky1-rst-fch
> > +
> > + '#reset-cells':
> > + const: 1
>
> No resources? Then not a dedicated child node, but part of the syscon.
> Fold this entire binding into the parent node.
>
How to fold this binding? Is there any example used to refer? If yes, please tell us.
Thanks
> > +
> > +required:
> > + - compatible
> > + - '#reset-cells'
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > + - |
> > + syscon@...00000 {
> > + compatible = "cix,sky1-s5-system-controller", "syscon",
> > + "simple-mfd";
>
> Mess alignment.
>
> > + reg = <0x0 0x16000000 0x0 0x1000>;
>
> Does not belong here.
>
> > + src: reset-controller {
> > + compatible = "cix,sky1-rst";
> > + #reset-cells = <1>;
> > + };
>
> > + };
> > diff --git
> > a/Documentation/devicetree/bindings/soc/cix/cix,sky1-system-controller
> > .yaml
> > b/Documentation/devicetree/bindings/soc/cix/cix,sky1-system-controller
> > .yaml
> > new file mode 100644
> > index 000000000000..f6e2776e3f53
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/soc/cix/cix,sky1-system-contro
> > +++ ller.yaml
> > @@ -0,0 +1,48 @@
> > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause %YAML 1.2
> > +---
> > +$id:
> > +http://devicetree.org/schemas/soc/cix/cix,sky1-system-controller.yaml
> > +#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Cix Sky1 SoC system controller register region
> > +
> > +maintainers:
> > + - Gary Yang <gary.yang@...tech.com>
> > +
> > +description:
> > + An wide assortment of registers of the system controller on Sky1
> > +SoC,
> > + including resets and usb.
> > +
> > +allOf:
> > + - $ref: /schemas/mfd/syscon.yaml#
> > +
> > +properties:
> > + compatible:
> > + oneOf:
> > + - contains:
>
> What? No, don't come with random code. There is no single code like this.
>
> > + - enum:
> > + - cix,sky1-system-controller
> > + - cix,sky1-s5-system-controller
> > + - const: syscon
> > + - const: simple-mfd
>
> Huh? You already documented this.
>
> NAK, you are making random changes without any concept.
>
> Read previous feedback. Really carefully.
>
> Best regards,
> Krzysztof
Sorry for my mistakes. I don't know how to write binding doc except refer to other bindings.
Is there any training docs? Or Please give us some suggestions.
Best Regards
Gary
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