[PATCH v2 1/3] dt-bindings: soc: spacemit: Add spacemit,k1-syscon

Krzysztof Kozlowski krzk at kernel.org
Mon Sep 16 23:15:07 PDT 2024


On Mon, Sep 16, 2024 at 10:23:08PM +0000, Haylen Chu wrote:
> Add documentation to describe Spacemit K1 system controller registers.
> 
> Signed-off-by: Haylen Chu <heylenay at outlook.com>
> ---
>  .../soc/spacemit/spacemit,k1-syscon.yaml      | 47 +++++++++++++++++++
>  1 file changed, 47 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-syscon.yaml
> 
> diff --git a/Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-syscon.yaml b/Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-syscon.yaml
> new file mode 100644
> index 000000000000..4e3a72b48aff
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-syscon.yaml
> @@ -0,0 +1,47 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soc/spacemit/spacemit,k1-syscon.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Spacemit K1 SoC System Controller
> +
> +maintainers:
> +  - Haylen Chu <heylenay at outlook.com>
> +
> +description:
> +  The Spacemit K1 SoC system controller provides access to shared register files
> +  for related SoC modules, such as clock controller and reset controller.
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - spacemit,k1-apbc-syscon
> +          - spacemit,k1-apbs-syscon
> +          - spacemit,k1-apmu-syscon
> +          - spacemit,k1-mpmu-syscon
> +      - const: syscon
> +      - const: simple-mfd

Drop, not used. Or make the binding complete.

> +
> +  reg:
> +    maxItems: 1
> +
> +  "#address-cells":

Drop

> +    const: 1
> +
> +  "#size-cells":

Drop, not used.

> +    const: 1
> +
> +additionalProperties: false

This goes after required:

> +
> +required:
> +  - compatible
> +  - reg
> +
> +examples:
> +  - |
> +    syscon_mpmu: system-controller at d4050000 {
> +        compatible = "spacemit,mpmu-syscon", "syscon", "simple-mfd";

This is example from something entirely different.

> +        reg = <0xd4050000 0x209c>;
> +    };
> -- 
> 2.46.0
> 



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