1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Device Tree for the ARM Integrator/AP platform 4 */ 5 6/dts-v1/; 7#include "integrator.dtsi" 8#include <dt-bindings/gpio/gpio.h> 9#include <dt-bindings/input/input.h> 10 11/ { 12 model = "ARM Integrator/AP"; 13 compatible = "arm,integrator-ap"; 14 15 cpus { 16 #address-cells = <1>; 17 #size-cells = <0>; 18 19 cpu@0 { 20 device_type = "cpu"; 21 /* 22 * Since the board has pluggable CPU modules, we 23 * cannot define a proper compatible here. Let the 24 * boot loader fill in the apropriate compatible 25 * string if necessary. 26 */ 27 /* compatible = "arm,arm926ej-s"; */ 28 reg = <0>; 29 /* 30 * The documentation in ARM DUI 0138E page 3-12 states 31 * that the maximum frequency for this clock is 200 MHz 32 * but painful trial-and-error has proved to me that it 33 * is actually just hanging the system above 71 MHz. 34 * Sad but true. 35 */ 36 /* kHz uV */ 37 operating-points = <71000 0 38 66000 0 39 60000 0 40 48000 0 41 36000 0 42 24000 0 43 12000 0>; 44 clocks = <&cmosc>; 45 clock-names = "cpu"; 46 clock-latency = <1000000>; /* 1 ms */ 47 }; 48 }; 49 50 aliases { 51 arm,timer-primary = &timer2; 52 arm,timer-secondary = &timer1; 53 }; 54 55 chosen { 56 bootargs = "root=/dev/ram0 console=ttyAM0,38400n8 earlyprintk"; 57 }; 58 59 /* 24 MHz chrystal on the Integrator/AP development board */ 60 xtal24mhz: xtal24mhz@24M { 61 #clock-cells = <0>; 62 compatible = "fixed-clock"; 63 clock-frequency = <24000000>; 64 }; 65 66 pclk: pclk@0 { 67 #clock-cells = <0>; 68 compatible = "fixed-factor-clock"; 69 clock-div = <1>; 70 clock-mult = <1>; 71 clocks = <&xtal24mhz>; 72 }; 73 74 /* The UART clock is 14.74 MHz divided by an ICS525 */ 75 uartclk: uartclk@14.74M { 76 #clock-cells = <0>; 77 compatible = "fixed-clock"; 78 clock-frequency = <14745600>; 79 clocks = <&xtal24mhz>; 80 }; 81 82 core-module@10000000 { 83 /* 24 MHz chrystal on the core module */ 84 cm24mhz: cm24mhz@24M { 85 #clock-cells = <0>; 86 compatible = "fixed-clock"; 87 clock-frequency = <24000000>; 88 }; 89 90 /* Oscillator on the core module, clocks the CPU core */ 91 cmosc: clock-controller@8 { 92 compatible = "arm,syscon-icst525-integratorap-cm"; 93 reg = <0x08 0x04>; 94 #clock-cells = <0>; 95 lock-offset = <0x14>; 96 vco-offset = <0x08>; 97 clocks = <&cm24mhz>; 98 }; 99 100 /* Auxilary oscillator on the core module, 32.369MHz at boot */ 101 auxosc: clock-controller@1c { 102 compatible = "arm,syscon-icst525"; 103 reg = <0x1c 0x04>; 104 #clock-cells = <0>; 105 lock-offset = <0x14>; 106 vco-offset = <0x1c>; 107 clocks = <&cm24mhz>; 108 }; 109 }; 110 111 syscon { 112 compatible = "arm,integrator-ap-syscon", "syscon"; 113 reg = <0x11000000 0x100>; 114 ranges = <0x0 0x11000000 0x100>; 115 #size-cells = <1>; 116 #address-cells = <1>; 117 118 /* 119 * SYSCLK clocks PCIv3 bridge, system controller and the 120 * logic modules. 121 */ 122 sysclk: clock-controller@4 { 123 compatible = "arm,syscon-icst525-integratorap-sys"; 124 reg = <0x04 0x04>; 125 #clock-cells = <0>; 126 lock-offset = <0x1c>; 127 vco-offset = <0x04>; 128 clocks = <&xtal24mhz>; 129 }; 130 131 /* One-bit control for the PCI bus clock (33 or 25 MHz) */ 132 pciclk: clock-controller@4,8 { 133 compatible = "arm,syscon-icst525-integratorap-pci"; 134 reg = <0x04 0x04>; 135 #clock-cells = <0>; 136 lock-offset = <0x1c>; 137 vco-offset = <0x04>; 138 clocks = <&xtal24mhz>; 139 }; 140 }; 141 142 timer0: timer@13000000 { 143 compatible = "arm,integrator-timer"; 144 clocks = <&xtal24mhz>; 145 }; 146 147 timer1: timer@13000100 { 148 compatible = "arm,integrator-timer"; 149 clocks = <&xtal24mhz>; 150 }; 151 152 timer2: timer@13000200 { 153 compatible = "arm,integrator-timer"; 154 clocks = <&xtal24mhz>; 155 }; 156 157 pic: pic@14000000 { 158 valid-mask = <0x003fffff>; 159 }; 160 161 pci: pciv3@62000000 { 162 compatible = "arm,integrator-ap-pci", "v3,v360epc-pci"; 163 #interrupt-cells = <1>; 164 #size-cells = <2>; 165 #address-cells = <3>; 166 /* Bridge registers and config access space */ 167 reg = <0x62000000 0x10000>, <0x61000000 0x01000000>; 168 interrupt-parent = <&pic>; 169 interrupts = <17>; /* Bus error IRQ */ 170 clocks = <&pciclk>; 171 bus-range = <0x00 0xff>; 172 ranges = <0x01000000 0 0x0000000 /* I/O space @00000000 */ 173 0x60000000 0 0x00010000 /* 64 KB @ LB 60000000 */ 174 0x02000000 0 0x40000000 /* non-prefectable memory @40000000 */ 175 0x40000000 0 0x10000000 /* 256 MiB @ LB 40000000 1:1 */ 176 0x42000000 0 0x50000000 /* prefetchable memory @50000000 */ 177 0x50000000 0 0x10000000>; /* 256 MiB @ LB 50000000 1:1 */ 178 dma-ranges = <0x02000000 0 0x20000000 /* EBI memory space */ 179 0x20000000 0 0x20000000 /* 512 MB @ LB 20000000 1:1 */ 180 0x02000000 0 0x80000000 /* Core module alias memory */ 181 0x80000000 0 0x40000000>; /* 1GB @ LB 80000000 */ 182 interrupt-map-mask = <0xf800 0 0 0x7>; 183 interrupt-map = < 184 /* IDSEL 9 */ 185 0x4800 0 0 1 &pic 13 /* INT A on slot 9 is irq 13 */ 186 0x4800 0 0 2 &pic 14 /* INT B on slot 9 is irq 14 */ 187 0x4800 0 0 3 &pic 15 /* INT C on slot 9 is irq 15 */ 188 0x4800 0 0 4 &pic 16 /* INT D on slot 9 is irq 16 */ 189 /* IDSEL 10 */ 190 0x5000 0 0 1 &pic 14 /* INT A on slot 10 is irq 14 */ 191 0x5000 0 0 2 &pic 15 /* INT B on slot 10 is irq 15 */ 192 0x5000 0 0 3 &pic 16 /* INT C on slot 10 is irq 16 */ 193 0x5000 0 0 4 &pic 13 /* INT D on slot 10 is irq 13 */ 194 /* IDSEL 11 */ 195 0x5800 0 0 1 &pic 15 /* INT A on slot 11 is irq 15 */ 196 0x5800 0 0 2 &pic 16 /* INT B on slot 11 is irq 16 */ 197 0x5800 0 0 3 &pic 13 /* INT C on slot 11 is irq 13 */ 198 0x5800 0 0 4 &pic 14 /* INT D on slot 11 is irq 14 */ 199 /* IDSEL 12 */ 200 0x6000 0 0 1 &pic 16 /* INT A on slot 12 is irq 16 */ 201 0x6000 0 0 2 &pic 13 /* INT B on slot 12 is irq 13 */ 202 0x6000 0 0 3 &pic 14 /* INT C on slot 12 is irq 14 */ 203 0x6000 0 0 4 &pic 15 /* INT D on slot 12 is irq 15 */ 204 >; 205 }; 206 207 fpga { 208 /* 209 * The Integator/AP predates the idea to have magic numbers 210 * identifying the PrimeCell in hardware, thus we have to 211 * supply these from the device tree. 212 */ 213 rtc: rtc@15000000 { 214 compatible = "arm,pl030", "arm,primecell"; 215 arm,primecell-periphid = <0x00041030>; 216 clocks = <&pclk>; 217 clock-names = "apb_pclk"; 218 }; 219 220 uart0: uart@16000000 { 221 compatible = "arm,pl010", "arm,primecell"; 222 arm,primecell-periphid = <0x00041010>; 223 clocks = <&uartclk>, <&pclk>; 224 clock-names = "uartclk", "apb_pclk"; 225 }; 226 227 uart1: uart@17000000 { 228 compatible = "arm,pl010", "arm,primecell"; 229 arm,primecell-periphid = <0x00041010>; 230 clocks = <&uartclk>, <&pclk>; 231 clock-names = "uartclk", "apb_pclk"; 232 }; 233 234 kmi0: kmi@18000000 { 235 compatible = "arm,pl050", "arm,primecell"; 236 arm,primecell-periphid = <0x00041050>; 237 clocks = <&xtal24mhz>, <&pclk>; 238 clock-names = "KMIREFCLK", "apb_pclk"; 239 }; 240 241 kmi1: kmi@19000000 { 242 compatible = "arm,pl050", "arm,primecell"; 243 arm,primecell-periphid = <0x00041050>; 244 clocks = <&xtal24mhz>, <&pclk>; 245 clock-names = "KMIREFCLK", "apb_pclk"; 246 }; 247 }; 248 249 /* 250 * Logic module bus, we support up to 4 logical modules 251 * They appear at 0xc0000000, 0xd0000000, 0xe0000000 and 0xf0000000 252 * and use interrupts 9, 10, 11 and 12 respectively. 253 */ 254 bus@c0000000 { 255 compatible = "arm,integrator-ap-lm"; 256 #address-cells = <1>; 257 #size-cells = <1>; 258 ranges = <0xc0000000 0xc0000000 0x40000000>; 259 dma-ranges; 260 261 lm0: bus@c0000000 { 262 compatible = "simple-bus"; 263 ranges = <0x00000000 0xc0000000 0x10000000>; 264 dma-ranges = <0x00000000 0x80000000 0x10000000>; 265 reg = <0xc0000000 0x10000000>; 266 #address-cells = <1>; 267 #size-cells = <1>; 268 }; 269 lm1: bus@d0000000 { 270 compatible = "simple-bus"; 271 ranges = <0x00000000 0xd0000000 0x10000000>; 272 dma-ranges = <0x00000000 0x80000000 0x10000000>; 273 reg = <0xd0000000 0x10000000>; 274 #address-cells = <1>; 275 #size-cells = <1>; 276 }; 277 lm2: bus@e0000000 { 278 compatible = "simple-bus"; 279 ranges = <0x00000000 0xe0000000 0x10000000>; 280 dma-ranges = <0x00000000 0x80000000 0x10000000>; 281 reg = <0xe0000000 0x10000000>; 282 #address-cells = <1>; 283 #size-cells = <1>; 284 }; 285 lm3: bus@f0000000 { 286 compatible = "simple-bus"; 287 ranges = <0x00000000 0xf0000000 0x10000000>; 288 dma-ranges = <0x00000000 0x80000000 0x10000000>; 289 reg = <0xf0000000 0x10000000>; 290 #address-cells = <1>; 291 #size-cells = <1>; 292 }; 293 }; 294}; 295