linux-kernel - [PATCH v4 09/13] ARM: dts: lan966x: add MIIM nodes

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Date:   Tue,  3 May 2022 00:41:23 +0200
From:   Michael Walle <michael@...le.cc>
To:     Kavyasree Kotagiri <kavyasree.kotagiri@...rochip.com>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>
Cc:     Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        soc@...nel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        Tudor.Ambarus@...rochip.com,
        Horatiu Vultur <horatiu.vultur@...rochip.com>,
        Michael Walle <michael@...le.cc>
Subject: [PATCH v4 09/13] ARM: dts: lan966x: add MIIM nodes

Add the MDIO controller nodes. The integrated PHYs are connected to the
second controller. This controller also takes care of the resets of the
integrated PHYs, thus it has two memory regions. The first controller
is routed to the external MDIO/MDC pins.

By default, they are disabled.

Signed-off-by: Michael Walle <michael@...le.cc>
---
 arch/arm/boot/dts/lan966x.dtsi | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm/boot/dts/lan966x.dtsi b/arch/arm/boot/dts/lan966x.dtsi
index 64290fb43926..0442735910da 100644
--- a/arch/arm/boot/dts/lan966x.dtsi
+++ b/arch/arm/boot/dts/lan966x.dtsi
@@ -418,6 +418,37 @@ gpio: pinctrl@...04064 {
 			#interrupt-cells = <2>;
 		};
 
+		mdio0: mdio@...04118 {
+			compatible = "microchip,lan966x-miim";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0xe2004118 0x24>;
+			clocks = <&sys_clk>;
+			status = "disabled";
+		};
+
+		mdio1: mdio@...0413c {
+			compatible = "microchip,lan966x-miim";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0xe200413c 0x24>,
+			      <0xe2010020 0x4>;
+			clocks = <&sys_clk>;
+			status = "disabled";
+
+			phy0: ethernet-phy@1 {
+				reg = <1>;
+				interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
+				status = "disabled";
+			};
+
+			phy1: ethernet-phy@2 {
+				reg = <2>;
+				interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
+				status = "disabled";
+			};
+		};
+
 		sgpio: gpio@...04190 {
 			compatible = "microchip,sparx5-sgpio";
 			reg = <0xe2004190 0x118>;
-- 
2.30.2