board: mediatek: Add support for UniElec U7623 board
This is an MT7623A-based board, very similar to the Banana Pi R2.
http://www.unielecinc.com/q/news/cn/p/product/detail.html?qd_guid=OjXwKCaRlN
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index a3a1e3f..caa7756 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -949,6 +949,7 @@
dtb-$(CONFIG_ARCH_MEDIATEK) += \
mt7622-rfb.dtb \
+ mt7623a-unielec-u7623-02-emmc.dtb \
mt7623n-bananapi-bpi-r2.dtb \
mt7629-rfb.dtb \
mt8512-bm1-emmc.dtb \
diff --git a/arch/arm/dts/mt7623a-unielec-u7623-02-emmc.dts b/arch/arm/dts/mt7623a-unielec-u7623-02-emmc.dts
new file mode 100644
index 0000000..fdeec75
--- /dev/null
+++ b/arch/arm/dts/mt7623a-unielec-u7623-02-emmc.dts
@@ -0,0 +1,211 @@
+/*
+ * 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"
+#include "mt7623-u-boot.dtsi"
+
+/ {
+ model = "UniElec U7623-02 eMMC";
+ compatible = "unielec,u7623-02-emmc", "mediatek,mt7623";
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0 0x80000000 0 0x20000000>;
+ };
+
+ 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";
+
+ led3 {
+ label = "u7623-01:green:led3";
+ gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+
+ led4 {
+ label = "u7623-01:green:led4";
+ gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+ };
+};
+
+ð {
+ status = "okay";
+ mediatek,gmac-id = <0>;
+ phy-mode = "rgmii";
+ mediatek,switch = "mt7530";
+ mediatek,mcm;
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+};
+
+&mmc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins_default>;
+ status = "okay";
+ bus-width = <8>;
+ max-frequency = <50000000>;
+ cap-mmc-highspeed;
+ vmmc-supply = <®_3p3v>;
+ vqmmc-supply = <®_1p8v>;
+ non-removable;
+};
+
+&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;
+ };
+ };
+
+ pcie_default: pcie-default {
+ mux {
+ function = "pcie";
+ groups = "pcie0_0_perst", "pcie1_0_perst";
+ };
+ };
+
+ 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";
+ };
+ };
+};
+
+&pcie {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie_default>;
+ status = "okay";
+
+ pcie@0,0 {
+ status = "okay";
+ };
+
+ pcie@1,0 {
+ status = "okay";
+ };
+};
+
+&pcie0_phy {
+ status = "okay";
+};
+
+&pcie1_phy {
+ status = "okay";
+};
+
+&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_b>;
+ status = "okay";
+};