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Message-ID: <556bf15b-727a-4eff-92c7-9fc6c744047b@kernel.org>
Date: Wed, 28 Jan 2026 11:01:40 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Gary Yang <gary.yang@...tech.com>, lee@...nel.org, robh@...nel.org,
krzk+dt@...nel.org, conor+dt@...nel.org, p.zabel@...gutronix.de,
peter.chen@...tech.com
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, cix-kernel-upstream@...tech.com
Subject: Re: [PATCH v4 1/3] dt-bindings: reset: add sky1 reset controller
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/submitting-patches.rst#L597
>
> Signed-off-by: Gary Yang <gary.yang@...tech.com>
> Link: https://lore.kernel.org/r/20251124063235.952136-2-gary.yang@cixtech.com
> 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.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/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.
> 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.
> +
> +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-controller.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
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