arm: dts: MediaTek: add device tree for MT7623

This adds device tree for MT7623 development board - Bananapi R2
Detailed hardware information for BPI-R2 which could be found on
http://wiki.banana-pi.org/Banana_Pi_BPI-R2.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Tested-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

1 files changed, 207 insertions, 0 deletions

diff --git a/arch/arm/dts/mt7623n-bananapi-bpi-r2.dts b/arch/arm/dts/mt7623n-bananapi-bpi-r2.dts
new file mode 100644
index 0000000000..84a77fde44
--- /dev/null
+++ b/arch/arm/dts/mt7623n-bananapi-bpi-r2.dts
@@ -0,0 +1,207 @@
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ * Author: Ryder Lee <ryder.lee@mediatek.com>
+ *
+ * SPDX-License-Identifier: (GPL-2.0 OR MIT)
+ */
+
+/dts-v1/;
+#include "mt7623.dtsi"
+
+/ {
+	model = "Bananapi BPI-R2";
+	compatible = "bananapi,bpi-r2", "mediatek,mt7623";
+
+	chosen {
+		stdout-path = &uart2;
+		tick-timer = &timer0;
+	};
+
+	reg_1p8v: regulator-1p8v {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-1.8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	reg_3p3v: regulator-3p3v {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-3.3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	reg_5v: regulator-5v {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-5V";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		blue {
+			label = "bpi-r2:pio:blue";
+			gpios = <&gpio 241 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		green {
+			label = "bpi-r2:pio:green";
+			gpios = <&gpio 240 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		red {
+			label = "bpi-r2:pio:red";
+			gpios = <&gpio 239 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+	};
+};
+
+&mmc0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc0_pins_default>;
+	status = "okay";
+	bus-width = <8>;
+	max-frequency = <50000000>;
+	cap-mmc-highspeed;
+	vmmc-supply = <&reg_3p3v>;
+	vqmmc-supply = <&reg_1p8v>;
+	non-removable;
+};
+
+&mmc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc1_pins_default>;
+	status = "okay";
+	bus-width = <4>;
+	max-frequency = <50000000>;
+	cap-sd-highspeed;
+	cd-gpios = <&gpio 261 GPIO_ACTIVE_LOW>;
+	vmmc-supply = <&reg_3p3v>;
+	vqmmc-supply = <&reg_3p3v>;
+};
+
+&pinctrl {
+	ephy_default: ephy_default {
+		mux {
+			function = "eth";
+			groups = "mdc_mdio", "ephy";
+		};
+
+		conf {
+			pins = "G2_TXEN", "G2_TXD0", "G2_TXD1", "G2_TXD2",
+			       "G2_TXD3", "G2_TXC", "G2_RXC", "G2_RXD0",
+			       "G2_RXD1", "G2_RXD2", "G2_RXD3", "G2_RXDV",
+			       "MDC", "MDIO";
+			drive-strength = <12>;
+			mediatek,tdsel = <5>;
+		};
+	};
+
+	mmc0_pins_default: mmc0default {
+		mux {
+			function = "msdc";
+			groups =  "msdc0";
+		};
+
+		conf-cmd-data {
+			pins = "MSDC0_CMD", "MSDC0_DAT0", "MSDC0_DAT1",
+			       "MSDC0_DAT2", "MSDC0_DAT3", "MSDC0_DAT4",
+			       "MSDC0_DAT5", "MSDC0_DAT6", "MSDC0_DAT7";
+			input-enable;
+			bias-pull-up;
+		};
+
+		conf-clk {
+			pins = "MSDC0_CLK";
+			bias-pull-down;
+		};
+
+		conf-rst {
+			pins = "MSDC0_RSTB";
+			bias-pull-up;
+		};
+	};
+
+	mmc1_pins_default: mmc1default {
+		mux {
+			function = "msdc";
+			groups =  "msdc1", "msdc1_wp_0";
+		};
+
+		conf-cmd-data {
+			pins = "MSDC1_DAT0", "MSDC1_DAT1", "MSDC1_DAT2",
+			       "MSDC1_DAT3", "MSDC1_DAT3", "MSDC1_CMD";
+			input-enable;
+			drive-strength = <4>;
+			bias-pull-up;
+		};
+
+		conf-clk {
+			pins = "MSDC1_CLK";
+			drive-strength = <4>;
+		};
+
+		conf-wp {
+			pins = "EINT7";
+			input-enable;
+			bias-pull-up;
+		};
+	};
+
+	uart0_pins_a: uart0-default {
+		mux {
+			function = "uart";
+			groups =  "uart0_0_txd_rxd";
+		};
+	};
+
+	uart1_pins_a: uart1-default {
+		mux {
+			function = "uart";
+			groups =  "uart1_0_txd_rxd";
+		};
+	};
+
+	uart2_pins_a: uart2-default {
+		mux {
+			function = "uart";
+			groups =  "uart2_0_txd_rxd";
+		};
+	};
+
+	uart2_pins_b: uart2-alt {
+		mux {
+			function = "uart";
+			groups =  "uart2_1_txd_rxd";
+		};
+	};
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins_a>;
+	status = "okay";
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart1_pins_a>;
+	status = "okay";
+};
+
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart2_pins_a>;
+	status = "okay";
+};