arch/arm/boot/dts/integratorap.dts - linux - Git at Google

 // SPDX-License-Identifier: GPL-2.0
 /*
  * Device Tree for the ARM Integrator/AP platform
  */

 /dts-v1/;
 #include "integrator.dtsi"
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>

 / {
 	model = "ARM Integrator/AP";
 	compatible = "arm,integrator-ap";

 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;

 		cpu@0 {
 			device_type = "cpu";
 			/*
 			 * Since the board has pluggable CPU modules, we
 			 * cannot define a proper compatible here. Let the
 			 * boot loader fill in the apropriate compatible
 			 * string if necessary.
 			 */
 			/* compatible = "arm,arm926ej-s"; */
 			reg = <0>;
 			/*
 			 * The documentation in ARM DUI 0138E page 3-12 states
 			 * that the maximum frequency for this clock is 200 MHz
 			 * but painful trial-and-error has proved to me that it
 			 * is actually just hanging the system above 71 MHz.
 			 * Sad but true.
 			 */
 					 /* kHz     uV   */
 			operating-points = <71000  0
 					    66000  0
 					    60000  0
 					    48000  0
 					    36000  0
 					    24000  0
 					    12000  0>;
 			clocks = <&cmosc>;
 			clock-names = "cpu";
 			clock-latency = <1000000>; /* 1 ms */
 		};
 	};

 	aliases {
 		arm,timer-primary = &timer2;
 		arm,timer-secondary = &timer1;
 	};

 	chosen {
 		bootargs = "root=/dev/ram0 console=ttyAM0,38400n8 earlyprintk";
 	};

 	/* 24 MHz chrystal on the Integrator/AP development board */
 	xtal24mhz: xtal24mhz@24M {
 		#clock-cells = <0>;
 		compatible = "fixed-clock";
 		clock-frequency = <24000000>;
 	};

 	pclk: pclk@0 {
 		#clock-cells = <0>;
 		compatible = "fixed-factor-clock";
 		clock-div = <1>;
 		clock-mult = <1>;
 		clocks = <&xtal24mhz>;
 	};

 	/* The UART clock is 14.74 MHz divided by an ICS525 */
 	uartclk: uartclk@14.74M {
 		#clock-cells = <0>;
 		compatible = "fixed-clock";
 		clock-frequency = <14745600>;
 		clocks = <&xtal24mhz>;
 	};

 	core-module@10000000 {
 		/* 24 MHz chrystal on the core module */
 		cm24mhz: cm24mhz@24M {
 			#clock-cells = <0>;
 			compatible = "fixed-clock";
 			clock-frequency = <24000000>;
 		};

 		/* Oscillator on the core module, clocks the CPU core */
 		cmosc: cmosc@24M {
 			compatible = "arm,syscon-icst525-integratorap-cm";
 			#clock-cells = <0>;
 			lock-offset = <0x14>;
 			vco-offset = <0x08>;
 			clocks = <&cm24mhz>;
 		};

 		/* Auxilary oscillator on the core module, 32.369MHz at boot */
 		auxosc: auxosc@24M {
 			compatible = "arm,syscon-icst525";
 			#clock-cells = <0>;
 			lock-offset = <0x14>;
 			vco-offset = <0x1c>;
 			clocks = <&cm24mhz>;
 		};
 	};

 	syscon {
 		compatible = "arm,integrator-ap-syscon", "syscon";
 		reg = <0x11000000 0x100>;

 		/*
 		 * SYSCLK clocks PCIv3 bridge, system controller and the
 		 * logic modules.
 		 */
 		sysclk: apsys@24M {
 			compatible = "arm,syscon-icst525-integratorap-sys";
 			#clock-cells = <0>;
 			lock-offset = <0x1c>;
 			vco-offset = <0x04>;
 			clocks = <&xtal24mhz>;
 		};

 		/* One-bit control for the PCI bus clock (33 or 25 MHz) */
 		pciclk: pciclk@24M {
 			compatible = "arm,syscon-icst525-integratorap-pci";
 			#clock-cells = <0>;
 			lock-offset = <0x1c>;
 			vco-offset = <0x04>;
 			clocks = <&xtal24mhz>;
 		};
 	};

 	timer0: timer@13000000 {
 		compatible = "arm,integrator-timer";
 		clocks = <&xtal24mhz>;
 	};

 	timer1: timer@13000100 {
 		compatible = "arm,integrator-timer";
 		clocks = <&xtal24mhz>;
 	};

 	timer2: timer@13000200 {
 		compatible = "arm,integrator-timer";
 		clocks = <&xtal24mhz>;
 	};

 	pic: pic@14000000 {
 		valid-mask = <0x003fffff>;
 	};

 	pci: pciv3@62000000 {
 		compatible = "arm,integrator-ap-pci", "v3,v360epc-pci";
 		#interrupt-cells = <1>;
 		#size-cells = <2>;
 		#address-cells = <3>;
 		/* Bridge registers and config access space */
 		reg = <0x62000000 0x10000>, <0x61000000 0x01000000>;
 		interrupt-parent = <&pic>;
 		interrupts = <17>; /* Bus error IRQ */
 		clocks = <&pciclk>;
 		bus-range = <0x00 0xff>;
 		ranges = <0x01000000 0 0x0000000 /* I/O space @00000000 */
 			0x60000000 0 0x00010000 /* 64 KB @ LB 60000000 */
 			0x02000000 0 0x40000000 /* non-prefectable memory @40000000 */
 			0x40000000 0 0x10000000 /* 256 MiB @ LB 40000000 1:1 */
 			0x42000000 0 0x50000000 /* prefetchable memory @50000000 */
 			0x50000000 0 0x10000000>; /* 256 MiB @ LB 50000000 1:1 */
 		dma-ranges = <0x02000000 0 0x20000000 /* EBI memory space */
 			0x20000000 0 0x20000000 /* 512 MB @ LB 20000000 1:1 */
 			0x02000000 0 0x80000000 /* Core module alias memory */
 			0x80000000 0 0x40000000>; /* 1GB @ LB 80000000 */
 		interrupt-map-mask = <0xf800 0 0 0x7>;
 		interrupt-map = <
 		/* IDSEL 9 */
 		0x4800 0 0 1 &pic 13 /* INT A on slot 9 is irq 13 */
 		0x4800 0 0 2 &pic 14 /* INT B on slot 9 is irq 14 */
 		0x4800 0 0 3 &pic 15 /* INT C on slot 9 is irq 15 */
 		0x4800 0 0 4 &pic 16 /* INT D on slot 9 is irq 16 */
 		/* IDSEL 10 */
 		0x5000 0 0 1 &pic 14 /* INT A on slot 10 is irq 14 */
 		0x5000 0 0 2 &pic 15 /* INT B on slot 10 is irq 15 */
 		0x5000 0 0 3 &pic 16 /* INT C on slot 10 is irq 16 */
 		0x5000 0 0 4 &pic 13 /* INT D on slot 10 is irq 13 */
 		/* IDSEL 11 */
 		0x5800 0 0 1 &pic 15 /* INT A on slot 11 is irq 15 */
 		0x5800 0 0 2 &pic 16 /* INT B on slot 11 is irq 16 */
 		0x5800 0 0 3 &pic 13 /* INT C on slot 11 is irq 13 */
 		0x5800 0 0 4 &pic 14 /* INT D on slot 11 is irq 14 */
 		/* IDSEL 12 */
 		0x6000 0 0 1 &pic 16 /* INT A on slot 12 is irq 16 */
 		0x6000 0 0 2 &pic 13 /* INT B on slot 12 is irq 13 */
 		0x6000 0 0 3 &pic 14 /* INT C on slot 12 is irq 14 */
 		0x6000 0 0 4 &pic 15 /* INT D on slot 12 is irq 15 */
 		>;
 	};

 	fpga {
 		/*
 		 * The Integator/AP predates the idea to have magic numbers
 		 * identifying the PrimeCell in hardware, thus we have to
 		 * supply these from the device tree.
 		 */
 		rtc: rtc@15000000 {
 			compatible = "arm,pl030", "arm,primecell";
 			arm,primecell-periphid = <0x00041030>;
 			clocks = <&pclk>;
 			clock-names = "apb_pclk";
 		};

 		uart0: uart@16000000 {
 			compatible = "arm,pl010", "arm,primecell";
 			arm,primecell-periphid = <0x00041010>;
 			clocks = <&uartclk>, <&pclk>;
 			clock-names = "uartclk", "apb_pclk";
 		};

 		uart1: uart@17000000 {
 			compatible = "arm,pl010", "arm,primecell";
 			arm,primecell-periphid = <0x00041010>;
 			clocks = <&uartclk>, <&pclk>;
 			clock-names = "uartclk", "apb_pclk";
 		};

 		kmi0: kmi@18000000 {
 			compatible = "arm,pl050", "arm,primecell";
 			arm,primecell-periphid = <0x00041050>;
 			clocks = <&xtal24mhz>, <&pclk>;
 			clock-names = "KMIREFCLK", "apb_pclk";
 		};

 		kmi1: kmi@19000000 {
 			compatible = "arm,pl050", "arm,primecell";
 			arm,primecell-periphid = <0x00041050>;
 			clocks = <&xtal24mhz>, <&pclk>;
 			clock-names = "KMIREFCLK", "apb_pclk";
 		};
 	};

 	/*
 	 * Logic module bus, we support up to 4 logical modules
 	 * They appear at 0xc0000000, 0xd0000000, 0xe0000000 and 0xf0000000
 	 * and use interrupts 9, 10, 11 and 12 respectively.
 	 */
 	bus@c0000000 {
 		compatible = "arm,integrator-ap-lm";
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0xc0000000 0xc0000000 0x40000000>;
 		dma-ranges;

 		lm0: bus@c0000000 {
 			compatible = "simple-bus";
 			ranges = <0x00000000 0xc0000000 0x10000000>;
 			dma-ranges = <0x00000000 0x80000000 0x10000000>;
 			reg = <0xc0000000 0x10000000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 		};
 		lm1: bus@d0000000 {
 			compatible = "simple-bus";
 			ranges = <0x00000000 0xd0000000 0x10000000>;
 			dma-ranges = <0x00000000 0x80000000 0x10000000>;
 			reg = <0xd0000000 0x10000000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 		};
 		lm2: bus@e0000000 {
 			compatible = "simple-bus";
 			ranges = <0x00000000 0xe0000000 0x10000000>;
 			dma-ranges = <0x00000000 0x80000000 0x10000000>;
 			reg = <0xe0000000 0x10000000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 		};
 		lm3: bus@f0000000 {
 			compatible = "simple-bus";
 			ranges = <0x00000000 0xf0000000 0x10000000>;
 			dma-ranges = <0x00000000 0x80000000 0x10000000>;
 			reg = <0xf0000000 0x10000000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 		};
 	};
 };
	// SPDX-License-Identifier: GPL-2.0
	/*
	* Device Tree for the ARM Integrator/AP platform
	*/

	/dts-v1/;
	#include "integrator.dtsi"
	#include <dt-bindings/gpio/gpio.h>
	#include <dt-bindings/input/input.h>

	/ {
	model = "ARM Integrator/AP";
	compatible = "arm,integrator-ap";

	cpus {
	#address-cells = <1>;
	#size-cells = <0>;

	cpu@0 {
	device_type = "cpu";
	/*
	* Since the board has pluggable CPU modules, we
	* cannot define a proper compatible here. Let the
	* boot loader fill in the apropriate compatible
	* string if necessary.
	*/
	/* compatible = "arm,arm926ej-s"; */
	reg = <0>;
	/*
	* The documentation in ARM DUI 0138E page 3-12 states
	* that the maximum frequency for this clock is 200 MHz
	* but painful trial-and-error has proved to me that it
	* is actually just hanging the system above 71 MHz.
	* Sad but true.
	*/
	/* kHz uV */
	operating-points = <71000 0
	66000 0
	60000 0
	48000 0
	36000 0
	24000 0
	12000 0>;
	clocks = <&cmosc>;
	clock-names = "cpu";
	clock-latency = <1000000>; /* 1 ms */
	};
	};

	aliases {
	arm,timer-primary = &timer2;
	arm,timer-secondary = &timer1;
	};

	chosen {
	bootargs = "root=/dev/ram0 console=ttyAM0,38400n8 earlyprintk";
	};

	/* 24 MHz chrystal on the Integrator/AP development board */
	xtal24mhz: xtal24mhz@24M {
	#clock-cells = <0>;
	compatible = "fixed-clock";
	clock-frequency = <24000000>;
	};

	pclk: pclk@0 {
	#clock-cells = <0>;
	compatible = "fixed-factor-clock";
	clock-div = <1>;
	clock-mult = <1>;
	clocks = <&xtal24mhz>;
	};

	/* The UART clock is 14.74 MHz divided by an ICS525 */
	uartclk: uartclk@14.74M {
	#clock-cells = <0>;
	compatible = "fixed-clock";
	clock-frequency = <14745600>;
	clocks = <&xtal24mhz>;
	};

	core-module@10000000 {
	/* 24 MHz chrystal on the core module */
	cm24mhz: cm24mhz@24M {
	#clock-cells = <0>;
	compatible = "fixed-clock";
	clock-frequency = <24000000>;
	};

	/* Oscillator on the core module, clocks the CPU core */
	cmosc: cmosc@24M {
	compatible = "arm,syscon-icst525-integratorap-cm";
	#clock-cells = <0>;
	lock-offset = <0x14>;
	vco-offset = <0x08>;
	clocks = <&cm24mhz>;
	};

	/* Auxilary oscillator on the core module, 32.369MHz at boot */
	auxosc: auxosc@24M {
	compatible = "arm,syscon-icst525";
	#clock-cells = <0>;
	lock-offset = <0x14>;
	vco-offset = <0x1c>;
	clocks = <&cm24mhz>;
	};
	};

	syscon {
	compatible = "arm,integrator-ap-syscon", "syscon";
	reg = <0x11000000 0x100>;

	/*
	* SYSCLK clocks PCIv3 bridge, system controller and the
	* logic modules.
	*/
	sysclk: apsys@24M {
	compatible = "arm,syscon-icst525-integratorap-sys";
	#clock-cells = <0>;
	lock-offset = <0x1c>;
	vco-offset = <0x04>;
	clocks = <&xtal24mhz>;
	};

	/* One-bit control for the PCI bus clock (33 or 25 MHz) */
	pciclk: pciclk@24M {
	compatible = "arm,syscon-icst525-integratorap-pci";
	#clock-cells = <0>;
	lock-offset = <0x1c>;
	vco-offset = <0x04>;
	clocks = <&xtal24mhz>;
	};
	};

	timer0: timer@13000000 {
	compatible = "arm,integrator-timer";
	clocks = <&xtal24mhz>;
	};

	timer1: timer@13000100 {
	compatible = "arm,integrator-timer";
	clocks = <&xtal24mhz>;
	};

	timer2: timer@13000200 {
	compatible = "arm,integrator-timer";
	clocks = <&xtal24mhz>;
	};

	pic: pic@14000000 {
	valid-mask = <0x003fffff>;
	};

	pci: pciv3@62000000 {
	compatible = "arm,integrator-ap-pci", "v3,v360epc-pci";
	#interrupt-cells = <1>;
	#size-cells = <2>;
	#address-cells = <3>;
	/* Bridge registers and config access space */
	reg = <0x62000000 0x10000>, <0x61000000 0x01000000>;
	interrupt-parent = <&pic>;
	interrupts = <17>; /* Bus error IRQ */
	clocks = <&pciclk>;
	bus-range = <0x00 0xff>;
	ranges = <0x01000000 0 0x0000000 /* I/O space @00000000 */
	0x60000000 0 0x00010000 /* 64 KB @ LB 60000000 */
	0x02000000 0 0x40000000 /* non-prefectable memory @40000000 */
	0x40000000 0 0x10000000 /* 256 MiB @ LB 40000000 1:1 */
	0x42000000 0 0x50000000 /* prefetchable memory @50000000 */
	0x50000000 0 0x10000000>; /* 256 MiB @ LB 50000000 1:1 */
	dma-ranges = <0x02000000 0 0x20000000 /* EBI memory space */
	0x20000000 0 0x20000000 /* 512 MB @ LB 20000000 1:1 */
	0x02000000 0 0x80000000 /* Core module alias memory */
	0x80000000 0 0x40000000>; /* 1GB @ LB 80000000 */
	interrupt-map-mask = <0xf800 0 0 0x7>;
	interrupt-map = <
	/* IDSEL 9 */
	0x4800 0 0 1 &pic 13 /* INT A on slot 9 is irq 13 */
	0x4800 0 0 2 &pic 14 /* INT B on slot 9 is irq 14 */
	0x4800 0 0 3 &pic 15 /* INT C on slot 9 is irq 15 */
	0x4800 0 0 4 &pic 16 /* INT D on slot 9 is irq 16 */
	/* IDSEL 10 */
	0x5000 0 0 1 &pic 14 /* INT A on slot 10 is irq 14 */
	0x5000 0 0 2 &pic 15 /* INT B on slot 10 is irq 15 */
	0x5000 0 0 3 &pic 16 /* INT C on slot 10 is irq 16 */
	0x5000 0 0 4 &pic 13 /* INT D on slot 10 is irq 13 */
	/* IDSEL 11 */
	0x5800 0 0 1 &pic 15 /* INT A on slot 11 is irq 15 */
	0x5800 0 0 2 &pic 16 /* INT B on slot 11 is irq 16 */
	0x5800 0 0 3 &pic 13 /* INT C on slot 11 is irq 13 */
	0x5800 0 0 4 &pic 14 /* INT D on slot 11 is irq 14 */
	/* IDSEL 12 */
	0x6000 0 0 1 &pic 16 /* INT A on slot 12 is irq 16 */
	0x6000 0 0 2 &pic 13 /* INT B on slot 12 is irq 13 */
	0x6000 0 0 3 &pic 14 /* INT C on slot 12 is irq 14 */
	0x6000 0 0 4 &pic 15 /* INT D on slot 12 is irq 15 */
	>;
	};

	fpga {
	/*
	* The Integator/AP predates the idea to have magic numbers
	* identifying the PrimeCell in hardware, thus we have to
	* supply these from the device tree.
	*/
	rtc: rtc@15000000 {
	compatible = "arm,pl030", "arm,primecell";
	arm,primecell-periphid = <0x00041030>;
	clocks = <&pclk>;
	clock-names = "apb_pclk";
	};

	uart0: uart@16000000 {
	compatible = "arm,pl010", "arm,primecell";
	arm,primecell-periphid = <0x00041010>;
	clocks = <&uartclk>, <&pclk>;
	clock-names = "uartclk", "apb_pclk";
	};

	uart1: uart@17000000 {
	compatible = "arm,pl010", "arm,primecell";
	arm,primecell-periphid = <0x00041010>;
	clocks = <&uartclk>, <&pclk>;
	clock-names = "uartclk", "apb_pclk";
	};

	kmi0: kmi@18000000 {
	compatible = "arm,pl050", "arm,primecell";
	arm,primecell-periphid = <0x00041050>;
	clocks = <&xtal24mhz>, <&pclk>;
	clock-names = "KMIREFCLK", "apb_pclk";
	};

	kmi1: kmi@19000000 {
	compatible = "arm,pl050", "arm,primecell";
	arm,primecell-periphid = <0x00041050>;
	clocks = <&xtal24mhz>, <&pclk>;
	clock-names = "KMIREFCLK", "apb_pclk";
	};
	};

	/*
	* Logic module bus, we support up to 4 logical modules
	* They appear at 0xc0000000, 0xd0000000, 0xe0000000 and 0xf0000000
	* and use interrupts 9, 10, 11 and 12 respectively.
	*/
	bus@c0000000 {
	compatible = "arm,integrator-ap-lm";
	#address-cells = <1>;
	#size-cells = <1>;
	ranges = <0xc0000000 0xc0000000 0x40000000>;
	dma-ranges;

	lm0: bus@c0000000 {
	compatible = "simple-bus";
	ranges = <0x00000000 0xc0000000 0x10000000>;
	dma-ranges = <0x00000000 0x80000000 0x10000000>;
	reg = <0xc0000000 0x10000000>;
	#address-cells = <1>;
	#size-cells = <1>;
	};
	lm1: bus@d0000000 {
	compatible = "simple-bus";
	ranges = <0x00000000 0xd0000000 0x10000000>;
	dma-ranges = <0x00000000 0x80000000 0x10000000>;
	reg = <0xd0000000 0x10000000>;
	#address-cells = <1>;
	#size-cells = <1>;
	};
	lm2: bus@e0000000 {
	compatible = "simple-bus";
	ranges = <0x00000000 0xe0000000 0x10000000>;
	dma-ranges = <0x00000000 0x80000000 0x10000000>;
	reg = <0xe0000000 0x10000000>;
	#address-cells = <1>;
	#size-cells = <1>;
	};
	lm3: bus@f0000000 {
	compatible = "simple-bus";
	ranges = <0x00000000 0xf0000000 0x10000000>;
	dma-ranges = <0x00000000 0x80000000 0x10000000>;
	reg = <0xf0000000 0x10000000>;
	#address-cells = <1>;
	#size-cells = <1>;
	};
	};
	};