linux-kernel - [PATCH] ARM: at91/dt: sama5d2 Xplained: add phy address and IRQ for macb0

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Message-ID: <1453462174-27688-1-git-send-email-nicolas.ferre@atmel.com>
Date:	Fri, 22 Jan 2016 12:29:34 +0100
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	<linux-arm-kernel@...ts.infradead.org>
CC:	<linux-kernel@...r.kernel.org>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>,
	Ludovic Desroches <ludovic.desroches@...el.com>,
	Wenyou Yang <wenyou.yang@...el.com>,
	Songjun Wu <songjun.wu@...el.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>
Subject: [PATCH] ARM: at91/dt: sama5d2 Xplained: add phy address and IRQ for macb0

After 57a38effa598 (net: phy: micrel: disable broadcast for KSZ8081/KSZ8091)
the macb0 interface have difficulties to come back from power saving mode if
address not explicitely set up.
As the micrel phy on the board is actually configured to show up at address 1
we use this explicitly.
Adding the phy node and its real address fixes the issue.

Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
---
 arch/arm/boot/dts/at91-sama5d2_xplained.dts | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
index 77ddff036409..e683856c507c 100644
--- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
@@ -114,9 +114,15 @@
 
 			macb0: ethernet@...08000 {
 				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_macb0_default>;
+				pinctrl-0 = <&pinctrl_macb0_default &pinctrl_macb0_phy_irq>;
 				phy-mode = "rmii";
 				status = "okay";
+
+				ethernet-phy@1 {
+					reg = <0x1>;
+					interrupt-parent = <&pioA>;
+					interrupts = <73 IRQ_TYPE_LEVEL_LOW>;
+				};
 			};
 
 			pdmic@...18000 {
@@ -300,6 +306,10 @@
 					bias-disable;
 				};
 
+				pinctrl_macb0_phy_irq: macb0_phy_irq {
+					pinmux = <PIN_PC9__GPIO>;
+				};
+
 				pinctrl_pdmic_default: pdmic_default {
 					pinmux = <PIN_PB26__PDMIC_DAT>,
 						<PIN_PB27__PDMIC_CLK>;
-- 
2.1.3