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

2021-05-04 Thread Ezequiel Garcia
Hi Rob,
 
On Friday, April 30, 2021 22:34 -03, Rob Herring  wrote: 
 
> On Thu, Apr 22, 2021 at 04:16:00PM +0200, Benjamin Gaignard wrote:
> > 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 
> > ---
> > version 2:
> >  - Add power-domains property
> > 
> >  .../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 0db208cf724a..e54353ccd1ec 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,iommu-v2
> 
> This should be SoC specific.
> 

It seems iommu-v2 is really the name Rockchip gives to this IOMMU IP core.
Can we keep the "rockchip,iommu-v2" compatible, and add SoC-specific ones, as 
we normally do:

compatible = "rockchip,rk3568-iommu", "rockchip,iommu-v2";

Just like we'd do with any peripheral:

compatible = "st,stm32-dwmac", "snps,dwmac-3.50a";

Thanks!
Ezequiel

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

2021-04-30 Thread Rob Herring
On Thu, Apr 22, 2021 at 04:16:00PM +0200, Benjamin Gaignard wrote:
> 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 
> ---
> version 2:
>  - Add power-domains property
> 
>  .../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 0db208cf724a..e54353ccd1ec 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,iommu-v2

This should be SoC specific.

>  
>reg:
>  minItems: 1
> @@ -46,6 +48,9 @@ properties:
>"#iommu-cells":
>  const: 0
>  
> +  power-domains:
> +maxItems: 1
> +
>rockchip,disable-mmu-reset:
>  $ref: /schemas/types.yaml#/definitions/flag
>  description: |
> -- 
> 2.25.1
> 
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[PATCH v2 2/4] dt-bindings: iommu: rockchip: Add compatible for v2

2021-04-22 Thread 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 
---
version 2:
 - Add power-domains property

 .../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 0db208cf724a..e54353ccd1ec 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,iommu-v2
 
   reg:
 minItems: 1
@@ -46,6 +48,9 @@ properties:
   "#iommu-cells":
 const: 0
 
+  power-domains:
+maxItems: 1
+
   rockchip,disable-mmu-reset:
 $ref: /schemas/types.yaml#/definitions/flag
 description: |
-- 
2.25.1

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