1/* 2 * Copyright (c) 2021 Yonatan Schachter 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7#include <arm/armv6-m.dtsi> 8#include <zephyr/dt-bindings/adc/adc.h> 9#include <zephyr/dt-bindings/gpio/gpio.h> 10#include <zephyr/dt-bindings/i2c/i2c.h> 11#include <zephyr/dt-bindings/regulator/rpi_pico.h> 12#include <mem.h> 13 14#include "rpi_pico_common.dtsi" 15 16/ { 17 aliases { 18 die-temp0 = &die_temp; 19 }; 20 21 cpus { 22 #address-cells = <1>; 23 #size-cells = <0>; 24 25 cpu0: cpu@0 { 26 compatible = "arm,cortex-m0+"; 27 reg = <0>; 28 }; 29 30 cpu1: cpu@1 { 31 compatible = "arm,cortex-m0+"; 32 reg = <1>; 33 }; 34 }; 35 36 soc { 37 sram0: memory@20000000 { 38 compatible = "mmio-sram"; 39 reg = <0x20000000 DT_SIZE_K(264)>; 40 }; 41 42 ssi: flash-controller@18000000 { 43 compatible = "raspberrypi,pico-flash-controller"; 44 reg = <0x18000000 0xfc>; 45 46 #address-cells = <1>; 47 #size-cells = <1>; 48 49 flash0: flash@10000000 { 50 compatible = "soc-nv-flash"; 51 write-block-size = <1>; 52 erase-block-size = <DT_SIZE_K(4)>; 53 }; 54 }; 55 56 peripheral_clk: peripheral-clk { 57 compatible = "fixed-clock"; 58 clock-frequency = <125000000>; 59 #clock-cells = <0>; 60 }; 61 62 system_clk: system-clk { 63 compatible = "fixed-clock"; 64 clock-frequency = <125000000>; 65 #clock-cells = <0>; 66 }; 67 68 reset: reset-controller@4000c000 { 69 compatible = "raspberrypi,pico-reset"; 70 reg = <0x4000c000 DT_SIZE_K(4)>; 71 reg-width = <4>; 72 active-low = <0>; 73 #reset-cells = <1>; 74 }; 75 76 gpio0: gpio@40014000 { 77 compatible = "raspberrypi,pico-gpio"; 78 reg = <0x40014000 DT_SIZE_K(4)>; 79 interrupts = <13 RPI_PICO_DEFAULT_IRQ_PRIORITY>; 80 gpio-controller; 81 #gpio-cells = <2>; 82 status = "disabled"; 83 ngpios = <30>; 84 }; 85 86 uart0: uart@40034000 { 87 compatible = "raspberrypi,pico-uart"; 88 reg = <0x40034000 DT_SIZE_K(4)>; 89 clocks = <&peripheral_clk>; 90 resets = <&reset RPI_PICO_RESETS_RESET_UART0>; 91 interrupts = <20 RPI_PICO_DEFAULT_IRQ_PRIORITY>; 92 interrupt-names = "uart0"; 93 status = "disabled"; 94 }; 95 96 uart1: uart@40038000 { 97 compatible = "raspberrypi,pico-uart"; 98 reg = <0x40038000 DT_SIZE_K(4)>; 99 clocks = <&peripheral_clk>; 100 resets = <&reset RPI_PICO_RESETS_RESET_UART1>; 101 interrupts = <21 RPI_PICO_DEFAULT_IRQ_PRIORITY>; 102 interrupt-names = "uart1"; 103 status = "disabled"; 104 }; 105 106 spi0: spi@4003c000 { 107 compatible = "raspberrypi,pico-spi", "arm,pl022"; 108 #address-cells = <1>; 109 #size-cells = <0>; 110 reg = <0x4003c000 DT_SIZE_K(4)>; 111 clocks = <&peripheral_clk>; 112 resets = <&reset RPI_PICO_RESETS_RESET_SPI0>; 113 interrupts = <18 RPI_PICO_DEFAULT_IRQ_PRIORITY>; 114 interrupt-names = "spi0"; 115 status = "disabled"; 116 }; 117 118 spi1: spi@40040000 { 119 compatible = "raspberrypi,pico-spi", "arm,pl022"; 120 #address-cells = <1>; 121 #size-cells = <0>; 122 reg = <0x40040000 DT_SIZE_K(4)>; 123 resets = <&reset RPI_PICO_RESETS_RESET_SPI1>; 124 clocks = <&peripheral_clk>; 125 interrupts = <19 RPI_PICO_DEFAULT_IRQ_PRIORITY>; 126 interrupt-names = "spi1"; 127 status = "disabled"; 128 }; 129 130 adc: adc@4004c000 { 131 compatible = "raspberrypi,pico-adc"; 132 reg = <0x4004c000 DT_SIZE_K(4)>; 133 resets = <&reset RPI_PICO_RESETS_RESET_ADC>; 134 interrupts = <22 RPI_PICO_DEFAULT_IRQ_PRIORITY>; 135 interrupt-names = "adc0"; 136 status = "disabled"; 137 #io-channel-cells = <1>; 138 }; 139 140 i2c0: i2c@40044000 { 141 compatible = "raspberrypi,pico-i2c", "snps,designware-i2c"; 142 #address-cells = <1>; 143 #size-cells = <0>; 144 reg = <0x40044000 DT_SIZE_K(4)>; 145 resets = <&reset RPI_PICO_RESETS_RESET_I2C0>; 146 clocks = <&system_clk>; 147 interrupts = <23 RPI_PICO_DEFAULT_IRQ_PRIORITY>; 148 interrupt-names = "i2c0"; 149 status = "disabled"; 150 }; 151 152 i2c1: i2c@40048000 { 153 compatible = "raspberrypi,pico-i2c", "snps,designware-i2c"; 154 #address-cells = <1>; 155 #size-cells = <0>; 156 reg = <0x40048000 DT_SIZE_K(4)>; 157 resets = <&reset RPI_PICO_RESETS_RESET_I2C0>; 158 clocks = <&system_clk>; 159 interrupts = <24 RPI_PICO_DEFAULT_IRQ_PRIORITY>; 160 interrupt-names = "i2c1"; 161 status = "disabled"; 162 }; 163 164 wdt0: watchdog@40058000 { 165 compatible = "raspberrypi,pico-watchdog"; 166 reg = <0x40058000 DT_SIZE_K(4)>; 167 clocks = <&xtal_clk>; 168 status = "disabled"; 169 }; 170 171 usbd: usbd@50100000 { 172 compatible = "raspberrypi,pico-usbd"; 173 reg = <0x50100000 0x10000>; 174 resets = <&reset RPI_PICO_RESETS_RESET_USBCTRL>; 175 interrupts = <5 RPI_PICO_DEFAULT_IRQ_PRIORITY>; 176 interrupt-names = "usbctrl"; 177 num-bidir-endpoints = <16>; 178 status = "disabled"; 179 }; 180 181 pwm: pwm@40050000 { 182 compatible = "raspberrypi,pico-pwm"; 183 reg = <0x40050000 DT_SIZE_K(4)>; 184 resets = <&reset RPI_PICO_RESETS_RESET_PWM>; 185 clocks = <&system_clk>; 186 interrupts = <4 RPI_PICO_DEFAULT_IRQ_PRIORITY>; 187 interrupt-names = "PWM_IRQ_WRAP"; 188 status = "disabled"; 189 #pwm-cells = <3>; 190 }; 191 192 timer: timer@40054000 { 193 compatible = "raspberrypi,pico-timer"; 194 reg = <0x40054000 DT_SIZE_K(4)>; 195 resets = <&reset RPI_PICO_RESETS_RESET_TIMER>; 196 clocks = <&xtal_clk>; 197 interrupts = <0 RPI_PICO_DEFAULT_IRQ_PRIORITY>, 198 <1 RPI_PICO_DEFAULT_IRQ_PRIORITY>, 199 <2 RPI_PICO_DEFAULT_IRQ_PRIORITY>, 200 <3 RPI_PICO_DEFAULT_IRQ_PRIORITY>; 201 interrupt-names = "TIMER_IRQ_0", 202 "TIMER_IRQ_1", 203 "TIMER_IRQ_2", 204 "TIMER_IRQ_3"; 205 status = "disabled"; 206 }; 207 208 dma: dma@50000000 { 209 compatible = "raspberrypi,pico-dma"; 210 reg = <0x50000000 DT_SIZE_K(64)>; 211 resets = <&reset RPI_PICO_RESETS_RESET_DMA>; 212 clocks = <&system_clk>; 213 interrupts = <11 RPI_PICO_DEFAULT_IRQ_PRIORITY>, 214 <12 RPI_PICO_DEFAULT_IRQ_PRIORITY>; 215 interrupt-names = "dma0", "dma1"; 216 dma-channels = <12>; 217 status = "disabled"; 218 #dma-cells = <3>; 219 }; 220 221 vreg: vreg@40064000 { 222 compatible = "raspberrypi,core-supply-regulator"; 223 reg = <0x40064000 1>; 224 status = "okay"; 225 raspberrypi,brown-out-detection; 226 raspberrypi,brown-out-threshold = <860000>; 227 }; 228 229 pio0: pio@50200000 { 230 compatible = "raspberrypi,pico-pio"; 231 reg = <0x50200000 DT_SIZE_K(4)>; 232 clocks = <&system_clk>; 233 resets = <&reset RPI_PICO_RESETS_RESET_PIO0>; 234 status = "disabled"; 235 }; 236 237 pio1: pio@50300000 { 238 compatible = "raspberrypi,pico-pio"; 239 reg = <0x50300000 DT_SIZE_K(4)>; 240 clocks = <&system_clk>; 241 resets = <&reset RPI_PICO_RESETS_RESET_PIO1>; 242 status = "disabled"; 243 }; 244 }; 245 246 pinctrl: pin-controller { 247 compatible = "raspberrypi,pico-pinctrl"; 248 }; 249 250 die_temp: dietemp { 251 compatible = "raspberrypi,pico-temp"; 252 io-channels = <&adc 4>; 253 status = "disabled"; 254 }; 255}; 256 257&nvic { 258 arm,num-irq-priority-bits = <3>; 259}; 260
