linux-kernel - [PATCH v3 3/4] ARM: dts: dra72-evm-revc: add phy impedance settings

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Message-ID: <20161006051355.15947-4-mugunthanvnm@ti.com>
Date:   Thu, 6 Oct 2016 10:43:54 +0530
From:   Mugunthan V N <mugunthanvnm@...com>
To:     <netdev@...r.kernel.org>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-omap@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Tony Lindgren <tony@...mide.com>,
        Russell King <linux@...linux.org.uk>,
        Florian Fainelli <f.fainelli@...il.com>,
        David Miller <davem@...emloft.net>,
        Sekhar Nori <nsekhar@...com>,
        Mugunthan V N <mugunthanvnm@...com>
Subject: [PATCH v3 3/4] ARM: dts: dra72-evm-revc: add phy impedance settings

The default impedance settings of the phy is not the optimal
value, due to this the second ethernet is not working. Fix it
with correct values which makes the second ethernet port to work.

Signed-off-by: Mugunthan V N <mugunthanvnm@...com>
---
 arch/arm/boot/dts/dra72-evm-revc.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/dra72-evm-revc.dts b/arch/arm/boot/dts/dra72-evm-revc.dts
index f9cfd3b..aafb594 100644
--- a/arch/arm/boot/dts/dra72-evm-revc.dts
+++ b/arch/arm/boot/dts/dra72-evm-revc.dts
@@ -62,6 +62,7 @@
 		ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
 		ti,tx-internal-delay = <DP83867_RGMIIDCTL_1_NS>;
 		ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_8_B_NIB>;
+		ti,min-output-impedance;
 	};
 
 	dp83867_1: ethernet-phy@3 {
@@ -69,5 +70,6 @@
 		ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
 		ti,tx-internal-delay = <DP83867_RGMIIDCTL_1_NS>;
 		ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_8_B_NIB>;
+		ti,min-output-imepdance;
 	};
 };
-- 
2.10.0.372.g6fe1b14