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Message-Id: <20230203-evk-board-support-v6-9-8d6b1cfe7f29@baylibre.com>
Date:   Wed, 26 Apr 2023 12:49:09 +0200
From:   Alexandre Mergnat <amergnat@...libre.com>
To:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-mediatek@...ts.infradead.org,
        Alexandre Mergnat <amergnat@...libre.com>,
        Kevin Hilman <khilman@...libre.com>
Subject: [PATCH v6 09/12] arm64: dts: mediatek: add ethernet support for
 mt8365-evk

- Enable "vibr" and "vsim2" regulators to power the ethernet chip.

Tested-by: Kevin Hilman <khilman@...libre.com>
Signed-off-by: Alexandre Mergnat <amergnat@...libre.com>
---
 arch/arm64/boot/dts/mediatek/mt8365-evk.dts | 57 +++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
index 913e09545030..5a4c41dbd3a5 100644
--- a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
@@ -88,6 +88,28 @@ optee_reserved: optee@...00000 {
 	};
 };
 
+&ethernet {
+	pinctrl-0 = <&ethernet_pins>;
+	pinctrl-names = "default";
+	phy-handle = <&eth_phy>;
+	phy-mode = "rmii";
+	/*
+	 * Ethernet and HDMI (DSI0) are sharing pins.
+	 * Only one can be enabled at a time and require the physical switch
+	 * SW2101 to be set on LAN position
+	 */
+	status = "disabled";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		eth_phy: ethernet-phy@0 {
+			reg = <0>;
+		};
+	};
+};
+
 &i2c0 {
 	clock-frequency = <100000>;
 	pinctrl-0 = <&i2c0_pins>;
@@ -137,12 +159,47 @@ &mt6357_pmic {
 	#interrupt-cells = <2>;
 };
 
+/* Needed by analog switch (multiplexer), HDMI and ethernet */
+&mt6357_vibr_reg {
+	regulator-always-on;
+};
+
 /* Needed by MSDC IP */
 &mt6357_vmc_reg {
 	regulator-always-on;
 };
 
+/* Needed by ethernet */
+&mt6357_vsim2_reg {
+	regulator-always-on;
+};
+
 &pio {
+	ethernet_pins: ethernet-pins {
+		phy_reset_pins {
+			pinmux = <MT8365_PIN_133_TDM_TX_DATA1__FUNC_GPIO133>;
+		};
+
+		rmii_pins {
+			pinmux = <MT8365_PIN_0_GPIO0__FUNC_EXT_TXD0>,
+				 <MT8365_PIN_1_GPIO1__FUNC_EXT_TXD1>,
+				 <MT8365_PIN_2_GPIO2__FUNC_EXT_TXD2>,
+				 <MT8365_PIN_3_GPIO3__FUNC_EXT_TXD3>,
+				 <MT8365_PIN_4_GPIO4__FUNC_EXT_TXC>,
+				 <MT8365_PIN_5_GPIO5__FUNC_EXT_RXER>,
+				 <MT8365_PIN_6_GPIO6__FUNC_EXT_RXC>,
+				 <MT8365_PIN_7_GPIO7__FUNC_EXT_RXDV>,
+				 <MT8365_PIN_8_GPIO8__FUNC_EXT_RXD0>,
+				 <MT8365_PIN_9_GPIO9__FUNC_EXT_RXD1>,
+				 <MT8365_PIN_10_GPIO10__FUNC_EXT_RXD2>,
+				 <MT8365_PIN_11_GPIO11__FUNC_EXT_RXD3>,
+				 <MT8365_PIN_12_GPIO12__FUNC_EXT_TXEN>,
+				 <MT8365_PIN_13_GPIO13__FUNC_EXT_COL>,
+				 <MT8365_PIN_14_GPIO14__FUNC_EXT_MDIO>,
+				 <MT8365_PIN_15_GPIO15__FUNC_EXT_MDC>;
+		};
+	};
+
 	gpio_keys: gpio-keys-pins {
 		pins {
 			pinmux = <MT8365_PIN_24_KPCOL0__FUNC_KPCOL0>;

-- 
2.25.1

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