[PATCH net-next v2 04/18] dt-bindings: net: cdns,macb: allow dma-coherent

From: "Théo Lebrun" <theo.lebrun@bootlin.com>
To: Andrew Lunn <andrew+netdev@lunn.ch>,
	 "David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	 Jakub Kicinski <kuba@kernel.org>,
	Paolo Abeni <pabeni@redhat.com>,  Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	 Conor Dooley <conor+dt@kernel.org>,
	 Nicolas Ferre <nicolas.ferre@microchip.com>,
	 Claudiu Beznea <claudiu.beznea@tuxon.dev>,
	 Paul Walmsley <paul.walmsley@sifive.com>,
	 Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	 Alexandre Ghiti <alex@ghiti.fr>,
	Samuel Holland <samuel.holland@sifive.com>,
	 Richard Cochran <richardcochran@gmail.com>,
	 Russell King <linux@armlinux.org.uk>,
	 Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	 Vladimir Kondratiev <vladimir.kondratiev@mobileye.com>,
	 Gregory CLEMENT <gregory.clement@bootlin.com>,
	 Cyrille Pitchen <cyrille.pitchen@atmel.com>,
	 Harini Katakam <harini.katakam@xilinx.com>,
	 Rafal Ozieblo <rafalo@cadence.com>,
	 Haavard Skinnemoen <hskinnemoen@atmel.com>,
	Jeff Garzik <jeff@garzik.org>
Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
	linux-mips@vger.kernel.org,
	"Thomas Petazzoni" <thomas.petazzoni@bootlin.com>,
	"Tawfik Bayouk" <tawfik.bayouk@mobileye.com>,
	"Théo Lebrun" <theo.lebrun@bootlin.com>
Subject: [PATCH net-next v2 04/18] dt-bindings: net: cdns,macb: allow dma-coherent
Date: Fri, 27 Jun 2025 11:08:50 +0200	[thread overview]
Message-ID: <20250627-macb-v2-4-ff8207d0bb77@bootlin.com> (raw)
In-Reply-To: <20250627-macb-v2-0-ff8207d0bb77@bootlin.com>

On EyeQ5, the GEM DMA controller is coherent with the CPU;
allow specifying the information.

Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
---
 Documentation/devicetree/bindings/net/cdns,macb.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/cdns,macb.yaml b/Documentation/devicetree/bindings/net/cdns,macb.yaml
index 0112dc6aeed68a186f0ee0038f495b0234570427..58f4933ec2ca58432d7eaa017317249b074c9fc7 100644
--- a/Documentation/devicetree/bindings/net/cdns,macb.yaml
+++ b/Documentation/devicetree/bindings/net/cdns,macb.yaml
@@ -113,6 +113,8 @@ properties:
   iommus:
     maxItems: 1
 
+  dma-coherent: true
+
   power-domains:
     maxItems: 1
 

-- 
2.50.0

