diff mbox series

[1/5] dt-bindings: iommu: sun50i: Add compatible for Allwinner D1

Message ID 20220428010401.11323-2-samuel@sholland.org (mailing list archive)
State New, archived
Headers show
Series [1/5] dt-bindings: iommu: sun50i: Add compatible for Allwinner D1 | expand

Commit Message

Samuel Holland April 28, 2022, 1:03 a.m. UTC
D1 contains an IOMMU similar to the one in the H6 SoC, but the D1
variant has no external reset signal.

Signed-off-by: Samuel Holland <samuel@sholland.org>
---

 .../iommu/allwinner,sun50i-h6-iommu.yaml         | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

Comments

Krzysztof Kozlowski April 28, 2022, 7:19 a.m. UTC | #1
On 28/04/2022 03:03, Samuel Holland wrote:

Thank you for your patch. There is something to discuss/improve.

> +
> +if:
> +  properties:
> +    compatible:
> +      contains:
> +        enum:
> +          - allwinner,sun50i-h6-iommu
> +
> +then:
> +  required:
> +    - resets

else:
  properties:
    resets: false

>  


Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml b/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml
index 5e125cf2a88b..18d3451d4dd5 100644
--- a/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml
+++ b/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml
@@ -17,7 +17,9 @@  properties:
       The content of the cell is the master ID.
 
   compatible:
-    const: allwinner,sun50i-h6-iommu
+    enum:
+      - allwinner,sun20i-d1-iommu
+      - allwinner,sun50i-h6-iommu
 
   reg:
     maxItems: 1
@@ -37,7 +39,17 @@  required:
   - reg
   - interrupts
   - clocks
-  - resets
+
+if:
+  properties:
+    compatible:
+      contains:
+        enum:
+          - allwinner,sun50i-h6-iommu
+
+then:
+  required:
+    - resets
 
 additionalProperties: false