arch/arm/dts/juno-motherboard.dtsi

// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
 * ARM Juno Platform motherboard peripherals
 *
 * Copyright (c) 2013-2014 ARM Ltd
 *
 * This file is licensed under a dual GPLv2 or BSD license.
 *
 */

/ {
	mb_clk24mhz: clk24mhz {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <24000000>;
		clock-output-names = "juno_mb:clk24mhz";
	};

	mb_clk25mhz: clk25mhz {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <25000000>;
		clock-output-names = "juno_mb:clk25mhz";
	};

	v2m_refclk1mhz: refclk1mhz {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <1000000>;
		clock-output-names = "juno_mb:refclk1mhz";
	};

	v2m_refclk32khz: refclk32khz {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <32768>;
		clock-output-names = "juno_mb:refclk32khz";
	};

	mb_fixed_3v3: mcc-sb-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "MCC_SB_3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	gpio-keys {
		compatible = "gpio-keys";

		power-button {
			debounce-interval = <50>;
			wakeup-source;
			linux,code = <116>;
			label = "POWER";
			gpios = <&iofpga_gpio0 0 0x4>;
		};
		home-button {
			debounce-interval = <50>;
			wakeup-source;
			linux,code = <102>;
			label = "HOME";
			gpios = <&iofpga_gpio0 1 0x4>;
		};
		rlock-button {
			debounce-interval = <50>;
			wakeup-source;
			linux,code = <152>;
			label = "RLOCK";
			gpios = <&iofpga_gpio0 2 0x4>;
		};
		vol-up-button {
			debounce-interval = <50>;
			wakeup-source;
			linux,code = <115>;
			label = "VOL+";
			gpios = <&iofpga_gpio0 3 0x4>;
		};
		vol-down-button {
			debounce-interval = <50>;
			wakeup-source;
			linux,code = <114>;
			label = "VOL-";
			gpios = <&iofpga_gpio0 4 0x4>;
		};
		nmi-button {
			debounce-interval = <50>;
			wakeup-source;
			linux,code = <99>;
			label = "NMI";
			gpios = <&iofpga_gpio0 5 0x4>;
		};
	};

	bus@8000000 {
		compatible = "simple-bus";
		#address-cells = <2>;
		#size-cells = <1>;
		ranges = <0 0x8000000 0 0x8000000 0x18000000>;

		motherboard-bus@8000000 {
			compatible = "arm,vexpress,v2p-p1", "simple-bus";
			#address-cells = <2>;  /* SMB chipselect number and offset */
			#size-cells = <1>;
			ranges = <0 0 0 0x08000000 0x04000000>,
				 <1 0 0 0x14000000 0x04000000>,
				 <2 0 0 0x18000000 0x04000000>,
				 <3 0 0 0x1c000000 0x04000000>,
				 <4 0 0 0x0c000000 0x04000000>,
				 <5 0 0 0x10000000 0x04000000>;
			arm,hbi = <0x252>;
			arm,vexpress,site = <0>;

			flash@0 {
				/* 2 * 32MiB NOR Flash memory mounted on CS0 */
				compatible = "arm,vexpress-flash", "cfi-flash";
				reg = <0 0x00000000 0x04000000>;
				bank-width = <4>;
				/*
				 * Unfortunately, accessing the flash disturbs
				 * the CPU idle states (suspend) and CPU
				 * hotplug of the platform. For this reason,
				 * flash hardware access is disabled by default.
				 */
				status = "disabled";
				partitions {
					compatible = "arm,arm-firmware-suite";
				};
			};

			ethernet@200000000 {
				compatible = "smsc,lan9118", "smsc,lan9115";
				reg = <2 0x00000000 0x10000>;
				interrupts = <3>;
				phy-mode = "mii";
				reg-io-width = <4>;
				smsc,irq-active-high;
				smsc,irq-push-pull;
				clocks = <&mb_clk25mhz>;
				vdd33a-supply = <&mb_fixed_3v3>;
				vddvario-supply = <&mb_fixed_3v3>;
			};

			iofpga-bus@300000000 {
				compatible = "simple-bus";
				#address-cells = <1>;
				#size-cells = <1>;
				ranges = <0 3 0 0x200000>;

				v2m_sysctl: sysctl@20000 {
					compatible = "arm,sp810", "arm,primecell";
					reg = <0x020000 0x1000>;
					clocks = <&v2m_refclk32khz>, <&v2m_refclk1mhz>, <&mb_clk24mhz>;
					clock-names = "refclk", "timclk", "apb_pclk";
					#clock-cells = <1>;
					clock-output-names = "timerclken0", "timerclken1", "timerclken2", "timerclken3";
					assigned-clocks = <&v2m_sysctl 0>, <&v2m_sysctl 1>, <&v2m_sysctl 3>, <&v2m_sysctl 3>;
					assigned-clock-parents = <&v2m_refclk1mhz>, <&v2m_refclk1mhz>, <&v2m_refclk1mhz>, <&v2m_refclk1mhz>;
				};

				apbregs@10000 {
					compatible = "syscon", "simple-mfd";
					reg = <0x010000 0x1000>;

					led0 {
						compatible = "register-bit-led";
						offset = <0x08>;
						mask = <0x01>;
						label = "vexpress:0";
						linux,default-trigger = "heartbeat";
						default-state = "on";
					};
					led1 {
						compatible = "register-bit-led";
						offset = <0x08>;
						mask = <0x02>;
						label = "vexpress:1";
						linux,default-trigger = "mmc0";
						default-state = "off";
					};
					led2 {
						compatible = "register-bit-led";
						offset = <0x08>;
						mask = <0x04>;
						label = "vexpress:2";
						linux,default-trigger = "cpu0";
						default-state = "off";
					};
					led3 {
						compatible = "register-bit-led";
						offset = <0x08>;
						mask = <0x08>;
						label = "vexpress:3";
						linux,default-trigger = "cpu1";
						default-state = "off";
					};
					led4 {
						compatible = "register-bit-led";
						offset = <0x08>;
						mask = <0x10>;
						label = "vexpress:4";
						linux,default-trigger = "cpu2";
						default-state = "off";
					};
					led5 {
						compatible = "register-bit-led";
						offset = <0x08>;
						mask = <0x20>;
						label = "vexpress:5";
						linux,default-trigger = "cpu3";
						default-state = "off";
					};
					led6 {
						compatible = "register-bit-led";
						offset = <0x08>;
						mask = <0x40>;
						label = "vexpress:6";
						default-state = "off";
					};
					led7 {
						compatible = "register-bit-led";
						offset = <0x08>;
						mask = <0x80>;
						label = "vexpress:7";
						default-state = "off";
					};
				};

				mmc@50000 {
					compatible = "arm,pl180", "arm,primecell";
					reg = <0x050000 0x1000>;
					interrupts = <5>;
					/* cd-gpios = <&v2m_mmc_gpios 0 0>;
					wp-gpios = <&v2m_mmc_gpios 1 0>; */
					max-frequency = <12000000>;
					vmmc-supply = <&mb_fixed_3v3>;
					clocks = <&mb_clk24mhz>, <&soc_smc50mhz>;
					clock-names = "mclk", "apb_pclk";
				};

				kmi@60000 {
					compatible = "arm,pl050", "arm,primecell";
					reg = <0x060000 0x1000>;
					interrupts = <8>;
					clocks = <&mb_clk24mhz>, <&soc_smc50mhz>;
					clock-names = "KMIREFCLK", "apb_pclk";
				};

				kmi@70000 {
					compatible = "arm,pl050", "arm,primecell";
					reg = <0x070000 0x1000>;
					interrupts = <8>;
					clocks = <&mb_clk24mhz>, <&soc_smc50mhz>;
					clock-names = "KMIREFCLK", "apb_pclk";
				};

				watchdog@f0000 {
					compatible = "arm,sp805", "arm,primecell";
					reg = <0x0f0000 0x10000>;
					interrupts = <7>;
					clocks = <&mb_clk24mhz>, <&soc_smc50mhz>;
					clock-names = "wdog_clk", "apb_pclk";
				};

				v2m_timer01: timer@110000 {
					compatible = "arm,sp804", "arm,primecell";
					reg = <0x110000 0x10000>;
					interrupts = <9>;
					clocks = <&v2m_sysctl 0>, <&v2m_sysctl 1>, <&mb_clk24mhz>;
					clock-names = "timclken1", "timclken2", "apb_pclk";
				};

				v2m_timer23: timer@120000 {
					compatible = "arm,sp804", "arm,primecell";
					reg = <0x120000 0x10000>;
					interrupts = <9>;
					clocks = <&v2m_sysctl 2>, <&v2m_sysctl 3>, <&mb_clk24mhz>;
					clock-names = "timclken1", "timclken2", "apb_pclk";
				};

				rtc@170000 {
					compatible = "arm,pl031", "arm,primecell";
					reg = <0x170000 0x10000>;
					interrupts = <0>;
					clocks = <&soc_smc50mhz>;
					clock-names = "apb_pclk";
				};

				iofpga_gpio0: gpio@1d0000 {
					compatible = "arm,pl061", "arm,primecell";
					reg = <0x1d0000 0x1000>;
					interrupts = <6>;
					clocks = <&soc_smc50mhz>;
					clock-names = "apb_pclk";
					gpio-controller;
					#gpio-cells = <2>;
					interrupt-controller;
					#interrupt-cells = <2>;
				};
			};
		};
	};
};