diff mbox series

[v2] arm64: dts: allwinner: a64-olinuxino: set the PHY TX delay

Message ID 20180926194824.8832-1-rodrigo@tjader.xyz
State New
Headers show
Series [v2] arm64: dts: allwinner: a64-olinuxino: set the PHY TX delay | expand

Commit Message

Rodrigo Exterckötter Tjäder Sept. 26, 2018, 7:48 p.m. UTC 
The PHY found on the A64-OLinuXino requires a TX delay in order to
operate properly. Olimex uses a 600ps second delay in their BSP, and
that has been found to work, so let's use that value in the current
DT.

Signed-off-by: Rodrigo Exterckötter Tjäder <rodrigo@tjader.xyz>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts | 1 +
 1 file changed, 1 insertion(+)

Comments

Chen-Yu Tsai Sept. 27, 2018, 10:51 a.m. UTC | #1 
On Thu, Sep 27, 2018 at 3:49 AM Rodrigo Exterckötter Tjäder
<rodrigo@tjader.xyz> wrote:
>
> The PHY found on the A64-OLinuXino requires a TX delay in order to
> operate properly. Olimex uses a 600ps second delay in their BSP, and
> that has been found to work, so let's use that value in the current
> DT.
>
> Signed-off-by: Rodrigo Exterckötter Tjäder <rodrigo@tjader.xyz>

Applied for 4.20. Thanks.
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
index 6ef3dd4c2389..f7a4bccaa5d4 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
@@ -105,6 +105,7 @@ 
 	phy-mode = "rgmii";
 	phy-handle = <&ext_rgmii_phy>;
 	phy-supply = <&reg_dcdc1>;
+	allwinner,tx-delay-ps = <600>;
 	status = "okay";
 };