[PATCH 3/7] dt-bindings: devfreq: event: rockchip,dfi: add rk3576

[Rob Herring]

On Thu, Sep 17, 2026 at 04:04:09PM +0200, Sebastian Reichel wrote:
> From: Nicolas Frattaroli <nicolas.frattaroli at collabora.com>
> 
> The RK3576 has DFI hardware for monitoring the DDR's bandwidth much
> like other rockchip SoCs do. Unlike the RK3588 however, it only has two
> memory channels, so only two per-channel pclks for DFI.
> 
> Add a compatible for this SoC's variant, and add it to the conditionals
> at the bottom of the bindings file.
> 
> Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli at collabora.com>
> Signed-off-by: Sebastian Reichel <sebastian.reichel at collabora.com>
> ---
>  .../bindings/devfreq/event/rockchip,dfi.yaml       | 23 ++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/devfreq/event/rockchip,dfi.yaml b/Documentation/devicetree/bindings/devfreq/event/rockchip,dfi.yaml
> index d6e06a9bea19..964f1827496a 100644
> --- a/Documentation/devicetree/bindings/devfreq/event/rockchip,dfi.yaml
> +++ b/Documentation/devicetree/bindings/devfreq/event/rockchip,dfi.yaml
> @@ -14,6 +14,7 @@ properties:
>      enum:
>        - rockchip,rk3399-dfi
>        - rockchip,rk3568-dfi
> +      - rockchip,rk3576-dfi
>        - rockchip,rk3588-dfi
>  
>    clocks:
> @@ -68,6 +69,28 @@ allOf:
>          - clocks
>          - clock-names
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - rockchip,rk3576-dfi
> +    then:
> +      properties:
> +        clocks:
> +          items:
> +            - description:
> +                clock driving the DDR monitoring logic for memory channel 0
> +            - description:
> +                clock driving the DDR monitoring logic for memory channel 1
> +        clock-names:
> +          items:
> +            - const: pclk_ddr_mon_ch0
> +            - const: pclk_ddr_mon_ch1

Names are already defined at the top-level, just:

minItems: 2
maxItems: 2

(On clocks too)

Rob