linux-kernel - [PATCH AUTOSEL 6.7 108/108] ARM: dts: usr8200: Fix phy registers

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Message-ID: <20240116194225.250921-108-sashal@kernel.org>
Date: Tue, 16 Jan 2024 14:40:14 -0500
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Linus Walleij <linus.walleij@...aro.org>,
	Arnd Bergmann <arnd@...db.de>,
	Sasha Levin <sashal@...nel.org>,
	linusw@...nel.org,
	kaloz@...nwrt.org,
	robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org
Subject: [PATCH AUTOSEL 6.7 108/108] ARM: dts: usr8200: Fix phy registers

From: Linus Walleij <linus.walleij@...aro.org>

[ Upstream commit 18a1ee9d716d355361da2765f87dbbadcdea03bf ]

The MV88E6060 switch has internal PHY registers at MDIO
addresses 0x00..0x04. Tie each port to the corresponding
PHY.

Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
Link: https://lore.kernel.org/r/20231020-ixp4xx-usr8200-dtsfix-v1-1-3a8591dea259@linaro.org
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 .../ixp/intel-ixp42x-usrobotics-usr8200.dts   | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm/boot/dts/intel/ixp/intel-ixp42x-usrobotics-usr8200.dts b/arch/arm/boot/dts/intel/ixp/intel-ixp42x-usrobotics-usr8200.dts
index 90fd51b36e7d..2c89db34c8d8 100644
--- a/arch/arm/boot/dts/intel/ixp/intel-ixp42x-usrobotics-usr8200.dts
+++ b/arch/arm/boot/dts/intel/ixp/intel-ixp42x-usrobotics-usr8200.dts
@@ -165,6 +165,24 @@ mdio {
 				#address-cells = <1>;
 				#size-cells = <0>;
 
+				/*
+				 * PHY 0..4 are internal to the MV88E6060 switch but appear
+				 * as independent devices.
+				 */
+				phy0: ethernet-phy@0 {
+					reg = <0>;
+				};
+				phy1: ethernet-phy@1 {
+					reg = <1>;
+				};
+				phy2: ethernet-phy@2 {
+					reg = <2>;
+				};
+				phy3: ethernet-phy@3 {
+					reg = <3>;
+				};
+
+				/* Altima AMI101L used by the WAN port */
 				phy9: ethernet-phy@9 {
 					reg = <9>;
 				};
@@ -181,21 +199,25 @@ ports {
 						port@0 {
 							reg = <0>;
 							label = "lan1";
+							phy-handle = <&phy0>;
 						};
 
 						port@1 {
 							reg = <1>;
 							label = "lan2";
+							phy-handle = <&phy1>;
 						};
 
 						port@2 {
 							reg = <2>;
 							label = "lan3";
+							phy-handle = <&phy2>;
 						};
 
 						port@3 {
 							reg = <3>;
 							label = "lan4";
+							phy-handle = <&phy3>;
 						};
 
 						port@5 {
-- 
2.43.0