diff mbox series

dt-bindings: PCI: mediatek-gen3: Add support for MT8195

Message ID 20210820023521.30716-1-jianjun.wang@mediatek.com (mailing list archive)
State New, archived
Headers show
Series dt-bindings: PCI: mediatek-gen3: Add support for MT8195 | expand

Commit Message

Jianjun Wang (王建军) Aug. 20, 2021, 2:35 a.m. UTC
MT8195 is an ARM platform SoC which has the same PCIe IP with MT8192.

Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com>
---
 Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Comments

Rob Herring (Arm) Aug. 24, 2021, 2:39 p.m. UTC | #1
On Fri, Aug 20, 2021 at 10:35:21AM +0800, Jianjun Wang wrote:
> MT8195 is an ARM platform SoC which has the same PCIe IP with MT8192.
> 
> Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com>
> ---
>  Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> index 742206dbd965..dcebb1036207 100644
> --- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> +++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> @@ -48,7 +48,9 @@ allOf:
>  
>  properties:
>    compatible:
> -    const: mediatek,mt8192-pcie
> +    oneOf:
> +      - const: mediatek,mt8192-pcie
> +      - const: mediatek,mt8195-pcie

Use 'enum' instead of oneOf+const.

>  
>    reg:
>      maxItems: 1
> -- 
> 2.18.0
> 
>
Rob Herring (Arm) Aug. 24, 2021, 2:40 p.m. UTC | #2
On Fri, Aug 20, 2021 at 10:35:21AM +0800, Jianjun Wang wrote:
> MT8195 is an ARM platform SoC which has the same PCIe IP with MT8192.

If it is the same, then 8192 should be a fallback compatible. 'The same' 
means the current driver for 8192 will work unchanged.

> 
> Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com>
> ---
>  Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> index 742206dbd965..dcebb1036207 100644
> --- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> +++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> @@ -48,7 +48,9 @@ allOf:
>  
>  properties:
>    compatible:
> -    const: mediatek,mt8192-pcie
> +    oneOf:
> +      - const: mediatek,mt8192-pcie
> +      - const: mediatek,mt8195-pcie
>  
>    reg:
>      maxItems: 1
> -- 
> 2.18.0
> 
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
index 742206dbd965..dcebb1036207 100644
--- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
+++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
@@ -48,7 +48,9 @@  allOf:
 
 properties:
   compatible:
-    const: mediatek,mt8192-pcie
+    oneOf:
+      - const: mediatek,mt8192-pcie
+      - const: mediatek,mt8195-pcie
 
   reg:
     maxItems: 1