| // SPDX-License-Identifier: GPL-2.0 | 
 | /* | 
 |  * Device Tree for the ARM Integrator/AP platform | 
 |  */ | 
 |  | 
 | /dts-v1/; | 
 | /include/ "integrator.dtsi" | 
 |  | 
 | / { | 
 | 	model = "ARM Integrator/AP"; | 
 | 	compatible = "arm,integrator-ap"; | 
 | 	dma-ranges = <0x80000000 0x0 0x80000000>; | 
 |  | 
 | 	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>; | 
 | 		interrupt-parent = <&pic>; | 
 | 		/* These are the logical module IRQs */ | 
 | 		interrupts = <9>, <10>, <11>, <12>; | 
 |  | 
 | 		/* | 
 | 		 * 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"; | 
 | 		}; | 
 | 	}; | 
 | }; |