Re: [PATCH v1 1/2] dt-bindings: hwlock: Add the support of HWspinlock for StarFive JHB100

[Conor Dooley <conor@kernel.org>]

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On Fri, Apr 24, 2026 at 11:20:25AM +0800, Xingyu Wu wrote:
> Add the new documentation of hardware spinlock for the StarFive JHB100 SoC.
> 
> Signed-off-by: Xingyu Wu <xingyu.wu@starfivetech.com>
> ---
>  .../hwlock/starfive,jhb100-hwspinlock.yaml    | 40 +++++++++++++++++++
>  1 file changed, 40 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/hwlock/starfive,jhb100-hwspinlock.yaml
> 
> diff --git a/Documentation/devicetree/bindings/hwlock/starfive,jhb100-hwspinlock.yaml b/Documentation/devicetree/bindings/hwlock/starfive,jhb100-hwspinlock.yaml
> new file mode 100644
> index 000000000000..b1b27fafe9bc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwlock/starfive,jhb100-hwspinlock.yaml
> @@ -0,0 +1,40 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/hwlock/starfive,jhb100-hwspinlock.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: StarFive Hardware Spinlock
> +
> +maintainers:
> +  - Xingyu Wu <xingyu.wu@starfivetech.com>
> +
> +properties:
> +  compatible:
> +    const: starfive,jhb100-hwspinlock
> +
> +  reg:
> +    maxItems: 1
> +
> +  resets:
> +    maxItems: 1
> +
> +  "#hwlock-cells":
> +    const: 1

Does this peripheral not have a clock?
Seems unlikely to me that it doesnt.

> +
> +required:
> +  - compatible
> +  - reg
> +  - resets
> +  - "#hwlock-cells"
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    hwspinlock@13012000 {
> +        compatible = "starfive,jhb100-hwspinlock";
> +        reg = <0x13012000 0x400>;
> +        resets = <&sys0crg 0>;
> +        #hwlock-cells = <1>;
> +    };
> -- 
> 2.34.1
> 
> 

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