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[1/2] ARM: dts: am335x-evmsk: Fix PHY mode for ethernet

Message ID 20190218143629.28392-2-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-evmsk.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
index 172c0224e7f6..b128998097ce 100644
--- a/arch/arm/boot/dts/am335x-evmsk.dts
+++ b/arch/arm/boot/dts/am335x-evmsk.dts
@@ -651,13 +651,13 @@ 
 
 &cpsw_emac0 {
 	phy-handle = <&ethphy0>;
-	phy-mode = "rgmii-txid";
+	phy-mode = "rgmii-id";
 	dual_emac_res_vlan = <1>;
 };
 
 &cpsw_emac1 {
 	phy-handle = <&ethphy1>;
-	phy-mode = "rgmii-txid";
+	phy-mode = "rgmii-id";
 	dual_emac_res_vlan = <2>;
 };