* [PATCH] arm64: boot: dts: imx8mm-phycore-som: Update eth phy impedance
@ 2025-12-18 12:00 Teresa Remmet
2025-12-30 8:45 ` Shawn Guo
0 siblings, 1 reply; 2+ messages in thread
From: Teresa Remmet @ 2025-12-18 12:00 UTC (permalink / raw)
To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam
Cc: Jan Remmet, devicetree, imx, linux-arm-kernel, upstream,
Yannic Moog, Benjamin Hahn, Yashwanth Varakala
Update the DP83867 ethernet phy impedance settings to
to optimize signal quality and reduce potential signal integrity issues.
Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
---
arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi
index 3d66c6701342..b764f7734868 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi
@@ -83,6 +83,7 @@ ethphy0: ethernet-phy@0 {
enet-phy-lane-no-swap;
ti,clk-output-sel = <DP83867_CLK_O_SEL_OFF>;
ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+ ti,min-output-impedance;
ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
reg = <0>;
---
base-commit: ea1013c1539270e372fc99854bc6e4d94eaeff66
change-id: 20251218-wip-t-remmet-phytec-de-bspimx8m-3841_upstream-b63c70f9a49e
Best regards,
--
Teresa Remmet <t.remmet@phytec.de>
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] arm64: boot: dts: imx8mm-phycore-som: Update eth phy impedance
2025-12-18 12:00 [PATCH] arm64: boot: dts: imx8mm-phycore-som: Update eth phy impedance Teresa Remmet
@ 2025-12-30 8:45 ` Shawn Guo
0 siblings, 0 replies; 2+ messages in thread
From: Shawn Guo @ 2025-12-30 8:45 UTC (permalink / raw)
To: Teresa Remmet
Cc: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Sascha Hauer,
Pengutronix Kernel Team, Fabio Estevam, Jan Remmet, devicetree,
imx, linux-arm-kernel, upstream, Yannic Moog, Benjamin Hahn,
Yashwanth Varakala
On Thu, Dec 18, 2025 at 01:00:06PM +0100, Teresa Remmet wrote:
> Update the DP83867 ethernet phy impedance settings to
> to optimize signal quality and reduce potential signal integrity issues.
>
> Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Subject prefix "arm64: dts: imx8mm-phycore-som: ..." is good enough.
I fixed it up and applied the patch.
Shawn
^ permalink raw reply [flat|nested] 2+ messages in thread
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2025-12-18 12:00 [PATCH] arm64: boot: dts: imx8mm-phycore-som: Update eth phy impedance Teresa Remmet
2025-12-30 8:45 ` Shawn Guo
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