From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Chen-Yu Tsai <wens@kernel.org>
Cc: Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
Jernej Skrabec <jernej@kernel.org>,
Samuel Holland <samuel@sholland.org>,
netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org,
Andre Przywara <andre.przywara@arm.com>
Subject: Re: [PATCH net-next v2 06/10] arm64: dts: allwinner: a527: cubie-a5e: Add ethernet PHY reset setting
Date: Wed, 13 Aug 2025 16:12:40 +0100 [thread overview]
Message-ID: <aJyraGJ3JbvfGfEw@shell.armlinux.org.uk> (raw)
In-Reply-To: <20250813145540.2577789-7-wens@kernel.org>
On Wed, Aug 13, 2025 at 10:55:36PM +0800, Chen-Yu Tsai wrote:
> diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts b/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts
> index 70d439bc845c..d4cee2222104 100644
> --- a/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts
> +++ b/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts
> @@ -94,6 +94,9 @@ &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>;
Please verify that kexec works with this, as if the calling kernel
places the PHY in reset and then kexec's, and the reset remains
asserted, the PHY will not be detected.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
next prev parent reply other threads:[~2025-08-13 15:12 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-13 14:55 [PATCH net-next v2 00/10] net: stmmac: Add support for Allwinner A523 GMAC200 Chen-Yu Tsai
2025-08-13 14:55 ` [PATCH net-next v2 01/10] dt-bindings: net: sun8i-emac: Add A523 GMAC200 compatible Chen-Yu Tsai
2025-08-13 16:40 ` Rob Herring (Arm)
2025-08-13 14:55 ` [PATCH net-next v2 02/10] net: stmmac: Add support for Allwinner A523 GMAC200 Chen-Yu Tsai
2025-08-13 15:11 ` Russell King (Oracle)
2025-08-13 14:55 ` [PATCH net-next v2 03/10] soc: sunxi: sram: add entry for a523 Chen-Yu Tsai
2025-08-13 15:23 ` Jernej Škrabec
2025-08-13 14:55 ` [PATCH net-next v2 04/10] soc: sunxi: sram: register regmap as syscon Chen-Yu Tsai
2025-08-13 15:25 ` Jernej Škrabec
2025-08-13 14:55 ` [PATCH net-next v2 05/10] arm64: dts: allwinner: a523: Add GMAC200 ethernet controller Chen-Yu Tsai
2025-08-13 15:26 ` Jernej Škrabec
2025-08-13 14:55 ` [PATCH net-next v2 06/10] arm64: dts: allwinner: a527: cubie-a5e: Add ethernet PHY reset setting Chen-Yu Tsai
2025-08-13 15:12 ` Russell King (Oracle) [this message]
2025-08-13 15:51 ` Chen-Yu Tsai
2025-08-13 16:39 ` Russell King (Oracle)
2025-08-24 7:17 ` Chen-Yu Tsai
2025-08-13 14:55 ` [PATCH net-next v2 07/10] arm64: dts: allwinner: a527: cubie-a5e: Enable second Ethernet port Chen-Yu Tsai
2025-08-13 15:27 ` Jernej Škrabec
2025-08-13 14:55 ` [PATCH net-next v2 08/10] arm64: dts: allwinner: t527: avaota-a1: Add ethernet PHY reset setting Chen-Yu Tsai
2025-08-13 15:27 ` Jernej Škrabec
2025-08-13 14:55 ` [PATCH net-next v2 09/10] arm64: dts: allwinner: t527: avaota-a1: enable second Ethernet port Chen-Yu Tsai
2025-08-13 15:27 ` Jernej Škrabec
2025-08-13 14:55 ` [PATCH net-next v2 10/10] arm64: dts: allwinner: t527: orangepi-4a: Enable " Chen-Yu Tsai
2025-08-13 15:28 ` Jernej Škrabec
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=aJyraGJ3JbvfGfEw@shell.armlinux.org.uk \
--to=linux@armlinux.org.uk \
--cc=andre.przywara@arm.com \
--cc=andrew+netdev@lunn.ch \
--cc=conor+dt@kernel.org \
--cc=davem@davemloft.net \
--cc=devicetree@vger.kernel.org \
--cc=edumazet@google.com \
--cc=jernej@kernel.org \
--cc=krzk+dt@kernel.org \
--cc=kuba@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-sunxi@lists.linux.dev \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.com \
--cc=robh@kernel.org \
--cc=samuel@sholland.org \
--cc=wens@csie.org \
--cc=wens@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).