Re: [PATCH v3 2/5] dt-bindings: clock: document exynos7870 clock driver CMU bindings

[Krzysztof Kozlowski <krzk@xxxxxxxxxx>]

On Wed, Feb 19, 2025 at 12:20:29AM +0530, Kaustabh Chakraborty wrote:
> +  Exynos7870 clock controller is comprised of several CMU units, generating
> +  clocks for different domains. Those CMU units are modeled as separate device
> +  tree nodes, and might depend on each other. The root clock in that root tree
> +  is an external clock: OSCCLK (26 MHz). This external clock must be defined
> +  as a fixed-rate clock in dts.
> +
> +  Each clock is assigned an identifier and client nodes can use this identifier
> +  to specify the clock which they consume. All clocks available for usage
> +  in clock consumer nodes are defined as preprocessor macros in
> +  'dt-bindings/clock/exynos7870.h' header.

Full path and drop quotes


> +
> +properties:
> +  compatible:
> +    enum:
> +      - samsung,exynos7870-cmu-mif
> +      - samsung,exynos7870-cmu-dispaud
> +      - samsung,exynos7870-cmu-fsys
> +      - samsung,exynos7870-cmu-g3d
> +      - samsung,exynos7870-cmu-isp
> +      - samsung,exynos7870-cmu-mfcmscl
> +      - samsung,exynos7870-cmu-peri
> +
> +  clocks:
> +    minItems: 1
> +    maxItems: 10
> +
> +  clock-names:
> +    minItems: 1
> +    maxItems: 10
> +
> +  "#clock-cells":
> +    const: 1
> +
> +  reg:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - "#clock-cells"

This goes after clock-names, to keep the same order. No need to repeat
old mistakes.

> +  - clocks
> +  - clock-names
> +  - reg
> +
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: samsung,exynos7870-cmu-mif
> +    then:
> +      properties:
> +        clocks:
> +          items:
> +            - description: External reference clock (26 MHz)
> +
> +        clock-names:
> +          items:
> +            - const: oscclk
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: samsung,exynos7870-cmu-dispaud
> +    then:
> +      properties:
> +        clocks:
> +          items:
> +            - description: External reference clock (26 MHz)
> +            - description: CMU_DISPAUD bus clock (from CMU_MIF)
> +            - description: DECON external clock (from CMU_MIF)
> +            - description: DECON vertical clock (from CMU_MIF)
> +
> +        clock-names:
> +          items:
> +            - const: oscclk
> +            - const: bus
> +            - const: decon_eclk
> +            - const: decon_vclk
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: samsung,exynos7870-cmu-fsys
> +    then:
> +      properties:
> +        clocks:
> +          items:
> +            - description: External reference clock (26 MHz)
> +            - description: CMU_FSYS bus clock (from CMU_MIF)
> +            - description: USB20DRD clock (from CMU_MIF)
> +
> +        clock-names:
> +          items:
> +            - const: oscclk
> +            - const: bus
> +            - const: usb20drd_refclk

Drop _refclk suffix

Best regards,
Krzysztof