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From:   Anand Moon <anand@edgeble.ai>
To:     Heiko Stuebner <heiko@sntech.de>, Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc:     Johan Jonker <jbx6244@gmail.com>, Anand Moon <anand@edgeble.ai>,
        Jagan Teki <jagan@edgeble.ai>,
        linux-arm-kernel@lists.infradead.org,
        linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH v5 linux-next 4/4] ARM: dts: rockchip: rv1126: Enable Ethernet for Neu2-IO
Date:   Wed, 11 Jan 2023 17:24:34 +0000
Message-Id: <20230111172437.5295-4-anand@edgeble.ai>
In-Reply-To: <20230111172437.5295-1-anand@edgeble.ai>
References: <20230111172437.5295-1-anand@edgeble.ai>
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Rockchip RV1126 has GMAC 10/100/1000M ethernet controller.
Enable ethernet node on Neu2-IO board.

Co-Developed-by: Jagan Teki <jagan@edgeble.ai>
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Signed-off-by: Anand Moon <anand@edgeble.ai>
---
v5: add CoD of Jagan
v4: none
v3: Address review coments from Johan and Add SoB Jagan Teki.
v2: drop SoB of Jagan Teki.
---
 arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts | 37 ++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts b/arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts
index dded0a12f0cd..3340fc3f0739 100644
--- a/arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts
+++ b/arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts
@@ -22,6 +22,43 @@ chosen {
 	};
 };
 
+&gmac {
+	assigned-clocks = <&cru CLK_GMAC_SRC>, <&cru CLK_GMAC_TX_RX>,
+			  <&cru CLK_GMAC_ETHERNET_OUT>;
+	assigned-clock-parents = <&cru CLK_GMAC_SRC_M1>, <&cru RGMII_MODE_CLK>;
+	assigned-clock-rates = <125000000>, <0>, <25000000>;
+	clock_in_out = "input";
+	phy-handle = <&phy>;
+	phy-mode = "rgmii";
+	phy-supply = <&vcc_3v3>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&rgmiim1_pins &clk_out_ethernetm1_pins>;
+	tx_delay = <0x2a>;
+	rx_delay = <0x1a>;
+	status = "okay";
+};
+
+&mdio {
+	phy: ethernet-phy@0 {
+		compatible = "ethernet-phy-id001c.c916",
+			     "ethernet-phy-ieee802.3-c22";
+		reg = <0x0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&eth_phy_rst>;
+		reset-assert-us = <20000>;
+		reset-deassert-us = <100000>;
+		reset-gpios = <&gpio0 RK_PB6 GPIO_ACTIVE_LOW>;
+	};
+};
+
+&pinctrl {
+	ethernet {
+		eth_phy_rst: eth-phy-rst {
+			rockchip,pins = <0 RK_PB6 RK_FUNC_GPIO &pcfg_pull_down>;
+		};
+	};
+};
+
 &sdmmc {
 	bus-width = <4>;
 	cap-mmc-highspeed;
-- 
2.39.0