linux-kernel - [PATCH 5/7] arm64: dts: mediatek: mt8195-demo: enable ethernet

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Message-Id: <20220426134106.242353-6-fparent@baylibre.com>
Date:   Tue, 26 Apr 2022 15:41:03 +0200
From:   Fabien Parent <fparent@...libre.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     Fabien Parent <fparent@...libre.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 5/7] arm64: dts: mediatek: mt8195-demo: enable ethernet

Enable ethernet on the MT8195 demo board.

Signed-off-by: Fabien Parent <fparent@...libre.com>
---
 arch/arm64/boot/dts/mediatek/mt8195-demo.dts | 108 +++++++++++++++++++
 1 file changed, 108 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8195-demo.dts b/arch/arm64/boot/dts/mediatek/mt8195-demo.dts
index 08cab3b3943b..0b7985486e2a 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-demo.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8195-demo.dts
@@ -80,6 +80,30 @@ optee_reserved: optee@...00000 {
 	};
 };
 
+&eth {
+	phy-mode = "rgmii-rxid";
+	phy-handle = <&eth_phy>;
+	snps,reset-gpio = <&pio 93 GPIO_ACTIVE_HIGH>;
+	snps,reset-delays-us = <0 10000 10000>;
+	mediatek,tx-delay-ps = <2030>;
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&eth_default_pins>;
+	pinctrl-1 = <&eth_sleep_pins>;
+	status = "okay";
+
+	mdio {
+		compatible = "snps,dwmac-mdio";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		eth_phy: phy@1 {
+			compatible = "ethernet-phy-id001c.c916";
+			#phy-cells = <0>;
+			reg = <0x1>;
+		};
+	};
+};
+
 &i2c6 {
 	clock-frequency = <400000>;
 	pinctrl-0 = <&i2c6_pins>;
@@ -260,6 +284,90 @@ &mt6359_vsram_others_ldo_reg {
 };
 
 &pio {
+	eth_default_pins: eth-default-pins {
+		pins-cc {
+			pinmux = <PINMUX_GPIO85__FUNC_GBE_TXC>,
+				 <PINMUX_GPIO88__FUNC_GBE_TXEN>,
+				 <PINMUX_GPIO87__FUNC_GBE_RXDV>,
+				 <PINMUX_GPIO86__FUNC_GBE_RXC>;
+			drive-strength = <MTK_DRIVE_8mA>;
+		};
+
+		pins-mdio {
+			pinmux = <PINMUX_GPIO89__FUNC_GBE_MDC>,
+				 <PINMUX_GPIO90__FUNC_GBE_MDIO>;
+			input-enable;
+		};
+
+		pins-phy-reset {
+			pinmux = <PINMUX_GPIO93__FUNC_GPIO93>;
+		};
+
+		pins-power {
+			pinmux = <PINMUX_GPIO91__FUNC_GPIO91>,
+				 <PINMUX_GPIO92__FUNC_GPIO92>;
+			output-high;
+		};
+
+		pins-rxd {
+			pinmux = <PINMUX_GPIO81__FUNC_GBE_RXD3>,
+				 <PINMUX_GPIO82__FUNC_GBE_RXD2>,
+				 <PINMUX_GPIO83__FUNC_GBE_RXD1>,
+				 <PINMUX_GPIO84__FUNC_GBE_RXD0>;
+		};
+
+		pins-txd {
+			pinmux = <PINMUX_GPIO77__FUNC_GBE_TXD3>,
+				 <PINMUX_GPIO78__FUNC_GBE_TXD2>,
+				 <PINMUX_GPIO79__FUNC_GBE_TXD1>,
+				 <PINMUX_GPIO80__FUNC_GBE_TXD0>;
+			drive-strength = <MTK_DRIVE_8mA>;
+		};
+	};
+
+	eth_sleep_pins: eth-sleep-pins {
+		pins-cc {
+			pinmux = <PINMUX_GPIO85__FUNC_GPIO85>,
+				 <PINMUX_GPIO88__FUNC_GPIO88>,
+				 <PINMUX_GPIO87__FUNC_GPIO87>,
+				 <PINMUX_GPIO86__FUNC_GPIO86>;
+		};
+
+		pins-mdio {
+			pinmux = <PINMUX_GPIO89__FUNC_GPIO89>,
+				 <PINMUX_GPIO90__FUNC_GPIO90>;
+			input-disable;
+			bias-disable;
+		};
+
+		pins-phy-reset {
+			pinmux = <PINMUX_GPIO93__FUNC_GPIO93>;
+			input-disable;
+			bias-disable;
+		};
+
+		pins-power {
+			pinmux = <PINMUX_GPIO91__FUNC_GPIO91>,
+				 <PINMUX_GPIO92__FUNC_GPIO92>;
+			input-disable;
+			bias-disable;
+		};
+
+		pins-rxd {
+			pinmux = <PINMUX_GPIO81__FUNC_GPIO81>,
+				 <PINMUX_GPIO82__FUNC_GPIO82>,
+				 <PINMUX_GPIO83__FUNC_GPIO83>,
+				 <PINMUX_GPIO84__FUNC_GPIO84>;
+		};
+
+		pins-txd {
+			pinmux = <PINMUX_GPIO77__FUNC_GPIO77>,
+				 <PINMUX_GPIO78__FUNC_GPIO78>,
+				 <PINMUX_GPIO79__FUNC_GPIO79>,
+				 <PINMUX_GPIO80__FUNC_GPIO80>;
+		};
+	};
+
 	gpio_keys_pins: gpio-keys-pins {
 		pins {
 			pinmux = <PINMUX_GPIO106__FUNC_GPIO106>;
-- 
2.36.0