From: Andrew Lunn <andrew@lunn.ch>
To: Coia Prant <coiaprant@gmail.com>
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>,
Heiko Stuebner <heiko@sntech.de>, Vinod Koul <vkoul@kernel.org>,
Maxime Chevallier <maxime.chevallier@bootlin.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
Romain Gantois <romain.gantois@bootlin.com>,
Heiner Kallweit <hkallweit1@gmail.com>,
Neil Armstrong <neil.armstrong@linaro.org>,
Russell King <linux@armlinux.org.uk>,
Shawn Lin <shawn.lin@rock-chips.com>,
David Heidelberg <david@ixit.cz>,
netdev@vger.kernel.org, linux-rockchip@lists.infradead.org,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org,
linux-stm32@st-md-mailman.stormreply.com,
linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH v2 03/10] phy: rockchip: naneng-combphy: add SGMII MAC selection for RK3568
Date: Sat, 1 Aug 2026 22:58:39 +0200 [thread overview]
Message-ID: <0cf1f734-69d4-471f-aa22-e1a2e7d0341b@lunn.ch> (raw)
In-Reply-To: <20260801142244.679437-5-coiaprant@gmail.com>
On Sat, Aug 01, 2026 at 10:22:27PM +0800, Coia Prant wrote:
> On RK3568, the SGMII interface can be routed to either GMAC0 or
> GMAC1 via the GRF register pipe_sgmii_mac_sel.
>
> Add support for this selection by introducing
> the "rockchip,sgmii-mac-sel" DT property.
>
> The hardware reset value is GMAC1 (1). If the property is set to 0,
> the driver routes SGMII to GMAC0; if set to 1 (or omitted), it
> remains at GMAC1.
>
> This is necessary for boards such as the Ariaboard Photonicat, which
> uses the SGMII interface connected to GMAC0.
If SGMII is not selected, what MII is used? RGMII?
Can this setting be implied from phy-mode?
Andrew
next prev parent reply other threads:[~2026-08-01 20:59 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-01 14:22 [PATCH v2 00/10] net-next: add basic support for RK3568 XPCS Coia Prant
2026-08-01 14:22 ` [PATCH v2 01/10] net: stmmac: move XPCS lifetime management to platform drivers Coia Prant
2026-08-01 14:22 ` [PATCH v2 02/10] dt-bindings: phy: rockchip: naneng-combphy: add rockchip,sgmii-mac-sel property Coia Prant
2026-08-01 14:22 ` [PATCH v2 03/10] phy: rockchip: naneng-combphy: add SGMII MAC selection for RK3568 Coia Prant
2026-08-01 20:58 ` Andrew Lunn [this message]
2026-08-02 2:51 ` Coia Prant
2026-08-01 14:22 ` [PATCH v2 04/10] dt-bindings: net: pcs: add rockchip,rk3568-xpcs binding Coia Prant
2026-08-01 14:22 ` [PATCH v2 05/10] arm64: dts: rockchip: rk3568: add XPCS and fixed-clock nodes Coia Prant
2026-08-01 16:28 ` Heiko Stübner
2026-08-01 19:19 ` Coia Prant
2026-08-01 21:05 ` Andrew Lunn
2026-08-02 3:28 ` Coia Prant
2026-08-01 14:22 ` [PATCH v2 06/10] net: pcs: xpcs: add ANRESTART support for SGMII link recovery Coia Prant
2026-08-01 21:10 ` Andrew Lunn
2026-08-02 3:11 ` Coia Prant
2026-08-01 14:22 ` [PATCH v2 07/10] net: pcs: xpcs: add Rockchip RK3568 platform glue driver Coia Prant
2026-08-02 1:29 ` Andrew Lunn
2026-08-02 3:20 ` Coia Prant
2026-08-01 14:22 ` [PATCH v2 08/10] net: stmmac: dwmac-rk: add SGMII support for RK3568 Coia Prant
2026-08-01 14:22 ` [PATCH v2 09/10] arm64: dts: rockchip: rk3568-photonicat: enable SGMII LAN port Coia Prant
2026-08-01 14:22 ` [PATCH v2 10/10] MAINTAINERS: add entry for Rockchip XPCS driver Coia Prant
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