dt-bindings: net: sun4i-emac: add dma support

[PATCH] dt-bindings: net: sun4i-emac: add dma support

Posted by Conley Lee 4 weeks, 1 day ago

The sun4i EMAC supports DMA for data transmission,
so it is necessary to add DMA options to the device tree bindings.

Signed-off-by: Conley Lee <conleylee@foxmail.com>
---
 .../bindings/net/allwinner,sun4i-a10-emac.yaml           | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/allwinner,sun4i-a10-emac.yaml b/Documentation/devicetree/bindings/net/allwinner,sun4i-a10-emac.yaml
index eb26623da..d4d8f3a79 100644
--- a/Documentation/devicetree/bindings/net/allwinner,sun4i-a10-emac.yaml
+++ b/Documentation/devicetree/bindings/net/allwinner,sun4i-a10-emac.yaml
@@ -33,6 +33,15 @@ properties:
       - items:
           - description: phandle to SRAM
           - description: register value for device
+  dmas:
+    items:
+      - description: RX DMA Channel
+      - description: TX DMA Channel
+
+  dma-names:
+    items:
+      - const: rx
+      - const: tx
 
 required:
   - compatible
-- 
2.25.1

Re: [PATCH] dt-bindings: net: sun4i-emac: add dma support

Posted by Rob Herring (Arm) 4 weeks, 1 day ago

On Wed, 03 Sep 2025 16:22:38 +0800, Conley Lee wrote:
> The sun4i EMAC supports DMA for data transmission,
> so it is necessary to add DMA options to the device tree bindings.
> 
> Signed-off-by: Conley Lee <conleylee@foxmail.com>
> ---
>  .../bindings/net/allwinner,sun4i-a10-emac.yaml           | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 

Acked-by: Rob Herring (Arm) <robh@kernel.org>