linux-kernel - [PATCH 1/2] ARM: at91/dt: describe rgmii ethernet phy connected to sama5d3xek boards

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Message-Id: <1403649878-28242-2-git-send-email-boris.brezillon@free-electrons.com>
Date:	Wed, 25 Jun 2014 00:44:37 +0200
From:	Boris BREZILLON <boris.brezillon@...e-electrons.com>
To:	Nicolas Ferre <nicolas.ferre@...el.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Andrew Victor <linux@...im.org.za>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>
Subject: [PATCH 1/2] ARM: at91/dt: describe rgmii ethernet phy connected to sama5d3xek boards

Add ethernet-phy node to specify phy address (on the MDIO bus) and phy
interrupt (connected to pin PB25).

Define board specific delays to apply to RGMII signals.

Signed-off-by: Boris BREZILLON <boris.brezillon@...e-electrons.com>
---
 arch/arm/boot/dts/sama5d3xcm.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm/boot/dts/sama5d3xcm.dtsi b/arch/arm/boot/dts/sama5d3xcm.dtsi
index b0b1331..2185ad8 100644
--- a/arch/arm/boot/dts/sama5d3xcm.dtsi
+++ b/arch/arm/boot/dts/sama5d3xcm.dtsi
@@ -34,6 +34,22 @@
 
 			macb0: ethernet@...28000 {
 				phy-mode = "rgmii";
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				ethernet-phy@1 {
+					interrupt-parent = <&pioB>;
+					interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
+					reg = <1>;
+					txen-skew-ps = <800>;
+					txc-skew-ps = <12000>;
+					rxdv-skew-ps = <400>;
+					rxc-skew-ps = <12000>;
+					rxd0-skew-ps = <400>;
+					rxd1-skew-ps = <400>;
+					rxd2-skew-ps = <400>;
+					rxd3-skew-ps = <400>;
+				};
 			};
 
 			pmc: pmc@...ffc00 {
-- 
1.8.3.2

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