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

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Message-ID: <tencent_4E434174E9D516431365413D1B8047C6BB06@qq.com>
Date: Wed,  3 Sep 2025 16:22:38 +0800
From: Conley Lee <conleylee@...mail.com>
To: andrew+netdev@...n.ch,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	wens@...e.org,
	mripard@...nel.org
Cc: netdev@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-sunxi@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Conley Lee <conleylee@...mail.com>
Subject: [PATCH] dt-bindings: net: sun4i-emac: add dma support

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@...mail.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