linux-kernel - [PATCH] ARM: i.MX6: update KSZ9031 phy fixup

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Date:	Fri, 21 Mar 2014 18:08:07 +0100
From:	Hubert Chaumette <hchaumette@...neo-embedded.com>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Hubert Chaumette <hchaumette@...neo-embedded.com>,
	shawn.guo@...aro.org, kernel@...gutronix.de,
	linux@....linux.org.uk, linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: i.MX6: update KSZ9031 phy fixup

Update KSZ9031RN phy fixup for Congatec conga-QEVAL and conga-QMX6 combo :
set RGMII GTX_CLK and RX_CLK pad skew to +0.96ns.

Signed-off-by: Hubert Chaumette <hchaumette@...neo-embedded.com>
---
 arch/arm/mach-imx/mach-imx6q.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index 76e5db4..db307c2 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -77,6 +77,9 @@ static int ksz9031rn_phy_fixup(struct phy_device *dev)
 	mmd_write_reg(dev, 2, 5, 0);
 	mmd_write_reg(dev, 2, 8, 0x003ff);
 
+	/* For Congatec conga-QMX6 board */
+	mmd_write_reg(dev, 0x02, 0x06, 0xffff);
+
 	return 0;
 }
 
-- 
1.9.0

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