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[2/2] ARM: dts: am335x-evm: Fix PHY mode for ethernet

Message ID 20190218143629.28392-3-peter.ujfalusi@ti.com (mailing list archive)
State New, archived
Headers show
Series ARM: dts: am335x-evm/evmsk: Fix PHY mode for ethernet | expand

Commit Message

Peter Ujfalusi Feb. 18, 2019, 2:36 p.m. UTC 
The PHY must add both tx and rx delay and not only on the tx clock.
The board uses AR8031_AL1A PHY where the rx delay is enabled by default,
the tx dealy is disabled.

The reason why rgmii-txid worked because the rx delay was not disabled by
the driver so essentially we ended up with rgmii-id PHY mode.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
 arch/arm/boot/dts/am335x-evm.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
index b67f5fee1469..dce5be5df97b 100644
--- a/arch/arm/boot/dts/am335x-evm.dts
+++ b/arch/arm/boot/dts/am335x-evm.dts
@@ -729,7 +729,7 @@ 
 
 &cpsw_emac0 {
 	phy-handle = <&ethphy0>;
-	phy-mode = "rgmii-txid";
+	phy-mode = "rgmii-id";
 };
 
 &tscadc {