From: Chen-Yu Yeh <chenyou910331@gmail.com>
To: chen.wang@linux.dev, inochiama@gmail.com
Cc: Chen-Yu Yeh <chenyou910331@gmail.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>,
Longbin Li <looong.bin@gmail.com>,
"Anton D. Stavinskii" <stavinsky@gmail.com>,
devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND
FLATTENED DEVICE TREE BINDINGS),
linux-riscv@lists.infradead.org (open list:RISC-V ARCHITECTURE),
sophgo@lists.linux.dev (open list:SOPHGO DEVICETREES and DRIVERS),
linux-kernel@vger.kernel.org (open list)
Subject: [PATCH 2/2] riscv: dts: sophgo: cv180x: Fix internal ephy node name
Date: Tue, 4 Aug 2026 00:34:24 +0800 [thread overview]
Message-ID: <20260803163427.74445-1-chenyou910331@gmail.com> (raw)
The internal EPHY node is named "phy@0" while its reg property is <1>.
The unit-address should match the first entry of the reg property, but
this is not checked by dtc for MDIO buses. The kernel confirms the PHY
is indeed at address 1:
eth0: PHY [mdio_mux-0.0:01] driver [Generic PHY]
Rename the node to ethernet-phy@1, which also follows the common naming
convention for ethernet PHY nodes.
Fixes: ba1abacc57cb ("riscv: dts: sophgo: Add mdio multiplexer device for cv18xx")
Signed-off-by: Chen-Yu Yeh <chenyou910331@gmail.com>
---
arch/riscv/boot/dts/sophgo/cv180x.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/boot/dts/sophgo/cv180x.dtsi b/arch/riscv/boot/dts/sophgo/cv180x.dtsi
index ec3bf305274a..cf672cc6b935 100644
--- a/arch/riscv/boot/dts/sophgo/cv180x.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv180x.dtsi
@@ -71,7 +71,7 @@ internal_mdio: mdio@0 {
#size-cells = <0>;
reg = <0>;
- internal_ephy: phy@0 {
+ internal_ephy: phy@1 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <1>;
};
--
2.43.0
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reply other threads:[~2026-08-03 16:34 UTC|newest]
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