linux-kernel - Re: [PATCH v3 3/3] arm64: dts: rockchip: add LinkEase EasePi R1

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Message-ID: <a0501abe-d86d-4f3a-9d55-c842bfafc190@lunn.ch>
Date: Tue, 7 Oct 2025 20:32:45 +0200
From: Andrew Lunn <andrew@...n.ch>
To: jjm2473 <jjm2473@...il.com>
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
	heiko@...ech.de, quentin.schulz@...rry.de,
	kever.yang@...k-chips.com, naoki@...xa.com, honyuenkwun@...il.com,
	inindev@...il.com, ivan8215145640@...il.com,
	neil.armstrong@...aro.org, mani@...nel.org, dsimic@...jaro.org,
	pbrobinson@...il.com, alchark@...il.com, didi.debian@...ow.org,
	jbx6244@...il.com, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/3] arm64: dts: rockchip: add LinkEase EasePi R1

> I also notice that you suggest use {tx|rx}-internal-delay-ps instead
> of  {tx|rx}_delay in
> https://lore.kernel.org/all/e4d3127b-c879-4931-9ea0-de7449bc508c@lunn.ch/ ,
> but I think this depends on stmmac driver.

It depends on the driver implementing those standard properties. But
as pointed out elsewhere, tx|rx-delay are magic, nobody knows what
they do, so it is hard to implement the standard properties to replace
them.

     Andrew