linux-kernel - Re: [PATCH net-next v2 08/10] arm64: dts: allwinner: t527: avaota-a1: Add ethernet PHY reset setting

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Message-ID: <1928131.tdWV9SEqCh@jernej-laptop>
Date: Wed, 13 Aug 2025 17:27:30 +0200
From: Jernej Škrabec <jernej.skrabec@...il.com>
To: Andrew Lunn <andrew+netdev@...n.ch>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
 Jernej Skrabec <jernej@...nel.org>, Samuel Holland <samuel@...lland.org>,
 Chen-Yu Tsai <wens@...nel.org>
Cc: netdev@...r.kernel.org, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
 linux-kernel@...r.kernel.org, Andre Przywara <andre.przywara@....com>
Subject:
 Re: [PATCH net-next v2 08/10] arm64: dts: allwinner: t527: avaota-a1: Add
 ethernet PHY reset setting

Dne sreda, 13. avgust 2025 ob 16:55:38 Srednjeevropski poletni čas je Chen-Yu Tsai napisal(a):
> From: Chen-Yu Tsai <wens@...e.org>
> 
> The external Ethernet PHY has a reset pin that is connected to the SoC.
> It is missing from the original submission.
> 
> Add it to complete the description.
> 
> Fixes: c6800f15998b ("arm64: dts: allwinner: t527: add EMAC0 to Avaota-A1 board")
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>

Acked-by: Jernej Skrabec <jernej.skrabec@...il.com>

Best regards,
Jernej

> ---
>  arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
> index b9eeb6753e9e..e7713678208d 100644
> --- a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
> +++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
> @@ -85,6 +85,9 @@ &mdio0 {
>  	ext_rgmii_phy: ethernet-phy@1 {
>  		compatible = "ethernet-phy-ieee802.3-c22";
>  		reg = <1>;
> +		reset-gpios = <&pio 7 8 GPIO_ACTIVE_LOW>; /* PH8 */
> +		reset-assert-us = <10000>;
> +		reset-deassert-us = <150000>;
>  	};
>  };
>  
>