[PATCH v5 2/4] dt-bindings: iommu: rockchip: Add compatible for v2

[Heiko Stübner]

Am Freitag, 21. Mai 2021, 10:36:35 CEST schrieb Benjamin Gaignard:
> Add compatible for the second version of IOMMU hardware block.
> RK356x IOMMU can also be link to a power domain.
> 
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard at collabora.com>
> Reviewed-by: Rob Herring <robh at kernel.org>

Reviewed-by: Heiko Stuebner <heiko at sntech.de>

> ---
>  .../devicetree/bindings/iommu/rockchip,iommu.yaml          | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/iommu/rockchip,iommu.yaml b/Documentation/devicetree/bindings/iommu/rockchip,iommu.yaml
> index 099fc2578b54..d2e28a9e3545 100644
> --- a/Documentation/devicetree/bindings/iommu/rockchip,iommu.yaml
> +++ b/Documentation/devicetree/bindings/iommu/rockchip,iommu.yaml
> @@ -19,7 +19,9 @@ description: |+
>  
>  properties:
>    compatible:
> -    const: rockchip,iommu
> +    enum:
> +      - rockchip,iommu
> +      - rockchip,rk3568-iommu
>  
>    reg:
>      items:
> @@ -48,6 +50,9 @@ properties:
>    "#iommu-cells":
>      const: 0
>  
> +  power-domains:
> +    maxItems: 1
> +
>    rockchip,disable-mmu-reset:
>      $ref: /schemas/types.yaml#/definitions/flag
>      description: |
>