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>

3 files changed, 463 insertions, 0 deletions

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index c8e2645eff..c9bf445642 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -564,6 +564,7 @@ dtb-$(CONFIG_TARGET_STM32MP1) += \
 dtb-$(CONFIG_SOC_K3_AM6) += k3-am654-base-board.dtb k3-am654-r5-base-board.dtb
 
 dtb-$(CONFIG_ARCH_MEDIATEK) += \
+	mt7623n-bananapi-bpi-r2.dtb \
 	mt7629-rfb.dtb
 
 targets += $(dtb-y)
diff --git a/arch/arm/dts/mt7623.dtsi b/arch/arm/dts/mt7623.dtsi
new file mode 100644
index 0000000000..f50f4ef1b9
--- /dev/null
+++ b/arch/arm/dts/mt7623.dtsi
@@ -0,0 +1,255 @@
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ * Author: Ryder Lee <ryder.lee@mediatek.com>
+ *
+ * SPDX-License-Identifier: (GPL-2.0 OR MIT)
+ */
+
+#include <dt-bindings/clock/mt7623-clk.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/power/mt7623-power.h>
+#include "skeleton.dtsi"
+
+/ {
+	compatible = "mediatek,mt7623";
+	interrupt-parent = <&sysirq>;
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		enable-method = "mediatek,mt6589-smp";
+
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x0>;
+			clocks = <&infracfg CLK_INFRA_CPUSEL>,
+				 <&apmixedsys CLK_APMIXED_MAINPLL>;
+			clock-names = "cpu", "intermediate";
+			clock-frequency = <1300000000>;
+		};
+
+		cpu1: cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x1>;
+			clocks = <&infracfg CLK_INFRA_CPUSEL>,
+				 <&apmixedsys CLK_APMIXED_MAINPLL>;
+			clock-names = "cpu", "intermediate";
+			clock-frequency = <1300000000>;
+		};
+
+		cpu2: cpu@2 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x2>;
+			clocks = <&infracfg CLK_INFRA_CPUSEL>,
+				 <&apmixedsys CLK_APMIXED_MAINPLL>;
+			clock-names = "cpu", "intermediate";
+			clock-frequency = <1300000000>;
+		};
+
+		cpu3: cpu@3 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x3>;
+			clocks = <&infracfg CLK_INFRA_CPUSEL>,
+				 <&apmixedsys CLK_APMIXED_MAINPLL>;
+			clock-names = "cpu", "intermediate";
+			clock-frequency = <1300000000>;
+		};
+	};
+
+	system_clk: dummy13m {
+		compatible = "fixed-clock";
+		clock-frequency = <13000000>;
+		#clock-cells = <0>;
+	};
+
+	rtc32k: oscillator-1 {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <32000>;
+		clock-output-names = "rtc32k";
+	};
+
+	clk26m: oscillator-0 {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <26000000>;
+		clock-output-names = "clk26m";
+	};
+
+	timer {
+		compatible = "arm,armv7-timer";
+		interrupt-parent = <&gic>;
+		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+		clock-frequency = <13000000>;
+		arm,cpu-registers-not-fw-configured;
+	};
+
+	topckgen: clock-controller@10000000 {
+		compatible = "mediatek,mt7623-topckgen";
+		reg = <0x10000000 0x1000>;
+		#clock-cells = <1>;
+		u-boot,dm-pre-reloc;
+	};
+
+	infracfg: syscon@10001000 {
+		compatible = "mediatek,mt7623-infracfg", "syscon";
+		reg = <0x10001000 0x1000>;
+		#clock-cells = <1>;
+		u-boot,dm-pre-reloc;
+	};
+
+	pericfg: syscon@10003000 {
+		compatible = "mediatek,mt7623-pericfg", "syscon";
+		reg = <0x10003000 0x1000>;
+		#clock-cells = <1>;
+		u-boot,dm-pre-reloc;
+	};
+
+	pinctrl: pinctrl@10005000 {
+		compatible = "mediatek,mt7623-pinctrl";
+		reg = <0x10005000 0x1000>;
+
+		gpio: gpio-controller {
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+	};
+
+	scpsys: scpsys@10006000 {
+		compatible = "mediatek,mt7623-scpsys";
+		#power-domain-cells = <1>;
+		reg = <0x10006000 0x1000>;
+		infracfg = <&infracfg>;
+		clocks = <&topckgen CLK_TOP_MM_SEL>,
+			 <&topckgen CLK_TOP_MFG_SEL>,
+			 <&topckgen CLK_TOP_ETHIF_SEL>;
+		clock-names = "mm", "mfg", "ethif";
+	};
+
+	watchdog: watchdog@10007000 {
+		compatible = "mediatek,wdt";
+		reg = <0x10007000 0x100>;
+	};
+
+	wdt-reboot {
+		compatible = "wdt-reboot";
+		wdt = <&watchdog>;
+	};
+
+	timer0: timer@10008000 {
+		compatible = "mediatek,timer";
+		reg = <0x10008000 0x80>;
+		interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&system_clk>;
+		clock-names = "system-clk";
+		u-boot,dm-pre-reloc;
+	};
+
+	sysirq: interrupt-controller@10200100 {
+		compatible = "mediatek,sysirq";
+		interrupt-controller;
+		#interrupt-cells = <3>;
+		interrupt-parent = <&gic>;
+		reg = <0x10200100 0x1c>;
+	};
+
+	apmixedsys: clock-controller@10209000 {
+		compatible = "mediatek,mt7623-apmixedsys";
+		reg = <0x10209000 0x1000>;
+		#clock-cells = <1>;
+		u-boot,dm-pre-reloc;
+	};
+
+	gic: interrupt-controller@10211000 {
+		compatible = "arm,cortex-a7-gic";
+		interrupt-controller;
+		#interrupt-cells = <3>;
+		interrupt-parent = <&gic>;
+		reg = <0x10211000 0x1000>,
+		      <0x10212000 0x1000>,
+		      <0x10214000 0x2000>,
+		      <0x10216000 0x2000>;
+	};
+
+	uart0: serial@11002000 {
+		compatible = "mediatek,hsuart";
+		reg = <0x11002000 0x400>;
+		reg-shift = <2>;
+		interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&topckgen CLK_TOP_UART_SEL>,
+			 <&pericfg CLK_PERI_UART0>;
+		clock-names = "baud", "bus";
+		status = "disabled";
+	};
+
+	uart1: serial@11003000 {
+		compatible = "mediatek,hsuart";
+		reg = <0x11003000 0x400>;
+		reg-shift = <2>;
+		interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&topckgen CLK_TOP_UART_SEL>,
+			 <&pericfg CLK_PERI_UART1>;
+		clock-names = "baud", "bus";
+		status = "disabled";
+	};
+
+	uart2: serial@11004000 {
+		compatible = "mediatek,hsuart";
+		reg = <0x11004000 0x400>;
+		reg-shift = <2>;
+		interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&topckgen CLK_TOP_UART_SEL>,
+			 <&pericfg CLK_PERI_UART2>;
+		clock-names = "baud", "bus";
+		status = "disabled";
+		u-boot,dm-pre-reloc;
+	};
+
+	uart3: serial@11005000 {
+		compatible = "mediatek,hsuart";
+		reg = <0x11005000 0x400>;
+		reg-shift = <2>;
+		interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&topckgen CLK_TOP_UART_SEL>,
+			 <&pericfg CLK_PERI_UART3>;
+		clock-names = "baud", "bus";
+		status = "disabled";
+	};
+
+	mmc0: mmc@11230000 {
+		compatible = "mediatek,mt7623-mmc";
+		reg = <0x11230000 0x1000>;
+		interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&pericfg CLK_PERI_MSDC30_0>,
+			 <&topckgen CLK_TOP_MSDC30_0_SEL>;
+		clock-names = "source", "hclk";
+		status = "disabled";
+	};
+
+	mmc1: mmc@11240000 {
+		compatible = "mediatek,mt7623-mmc";
+		reg = <0x11240000 0x1000>;
+		interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&pericfg CLK_PERI_MSDC30_1>,
+			 <&topckgen CLK_TOP_MSDC30_1_SEL>;
+		clock-names = "source", "hclk";
+		status = "disabled";
+	};
+
+	ethsys: syscon@1b000000 {
+		compatible = "mediatek,mt7623-ethsys";
+		reg = <0x1b000000 0x1000>;
+		#clock-cells = <1>;
+	};
+};
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";
+};