netdev - [PATCH net-next] dt-bindings: net: rockchip-dwmac: Allow "dma-coherent"

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Message-ID: <20260108225318.1325114-2-robh@kernel.org>
Date: Thu,  8 Jan 2026 16:53:18 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	David Wu <david.wu@...k-chips.com>
Cc: netdev@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH net-next] dt-bindings: net: rockchip-dwmac: Allow "dma-coherent"

The GMAC is coherent on RK3576, so allow the "dma-coherent" property.

Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
 Documentation/devicetree/bindings/net/rockchip-dwmac.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
index d17112527dab..80c252845349 100644
--- a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
@@ -85,6 +85,8 @@ properties:
         - clk_mac_refout
         - clk_mac_speed
 
+  dma-coherent: true
+
   clock_in_out:
     description:
       For RGMII, it must be "input", means main clock(125MHz)
-- 
2.51.0