/* * Copyright (c) 2018 - 2020 Antmicro * * SPDX-License-Identifier: Apache-2.0 */ / { #address-cells = <1>; #size-cells = <1>; compatible = "litex,vexriscv", "litex-dev"; model = "litex,vexriscv"; chosen { zephyr,entropy = &prbs0; }; cpus { #address-cells = <1>; #size-cells = <0>; cpu@0 { clock-frequency = <100000000>; compatible = "riscv"; device_type = "cpu"; reg = <0>; riscv,isa = "rv32imac"; status = "okay"; timebase-frequency = <32768>; }; }; soc { #address-cells = <1>; #size-cells = <1>; compatible = "litex,vexriscv"; ranges; intc0: interrupt-controller@bc0 { #interrupt-cells = <2>; compatible = "vexriscv-intc0"; interrupt-controller; reg = <0xbc0 0x4 0xfc0 0x4>; reg-names = "irq_mask", "irq_pending"; riscv,max-priority = <7>; }; uart0: serial@e0001800 { compatible = "litex,uart0"; interrupt-parent = <&intc0>; interrupts = <2 10>; reg = <0xe0001800 0x18>; reg-names = "control"; label = "uart0"; status = "disabled"; }; spi0: spi@e0002000 { compatible = "litex,spi"; interrupt-parent = <&intc0>; interrupts = <5 0>; reg = <0xe0002000 0x34>; reg-names = "control"; label = "spi0"; status = "disabled"; #address-cells = <1>; #size-cells = <0>; }; timer0: timer@e0002800 { compatible = "litex,timer0"; interrupt-parent = <&intc0>; interrupts = <1 0>; reg = <0xe0002800 0x40>; reg-names = "control"; label = "timer0"; status = "disabled"; }; eth0: ethernet@e0009800 { compatible = "litex,eth0"; interrupt-parent = <&intc0>; interrupts = <3 0>; reg = <0xe0009800 0x6b 0xb0000000 0x2000>; local-mac-address = [10 e2 d5 00 00 02]; reg-names = "control", "buffers"; label = "eth0"; status = "disabled"; }; dna0: dna@e0003800 { compatible = "litex,dna0"; /* DNA data is 57-bits long, so it requires 8 bytes. In LiteX each 32-bit register holds only a single byte of meaningful data, hence 8 registers. */ reg = <0xe0003800 0x20>; reg-names = "mem"; label = "dna0"; status = "disabled"; }; i2c0: i2c@e0005000 { compatible = "litex,i2c"; reg = <0xe0005000 0x4 0xe0005004 0x4>; reg-names = "write", "read"; label = "i2c0"; #address-cells = <1>; #size-cells = <0>; status = "disabled"; }; gpio_out: gpio@e0005800 { compatible = "litex,gpio"; reg = <0xe0005800 0x4>; reg-names = "control"; ngpios = <4>; label = "gpio_out"; port-is-output; status = "disabled"; gpio-controller; #gpio-cells = <2>; }; gpio_in: gpio@e0006000 { compatible = "litex,gpio"; reg = <0xe0006000 0x4 0xe0006004 0x1 0xe0006008 0x1 0xe0006010 0x1 0xe0006014 0x1>; interrupt-parent = <&intc0>; interrupts = <4 2>; reg-names = "base", "irq_mode", "irq_edge", "irq_pend", "irq_en"; ngpios = <4>; label = "gpio_in"; status = "disabled"; gpio-controller; #gpio-cells = <2>; }; prbs0: prbs@e0006800 { compatible = "litex,prbs"; reg = <0xe0006800 0x4>; reg-names = "status"; label = "prbs0"; status = "disabled"; }; pwm0: pwm@e0007000 { compatible = "litex,pwm"; reg = <0xe0007000 0x4 0xe0007004 0x10 0xe0007014 0x10>; reg-names = "enable", "width", "period"; label = "pwm0"; status = "disabled"; #pwm-cells = <2>; }; i2s_rx: i2s_rx@e000a800 { compatible = "litex,i2s"; reg = <0xe000a800 0x20 0xb1000000 0x40000>; interrupt-parent = <&intc0>; interrupts = <6 2>; #address-cells = <1>; #size-cells = <0>; reg-names = "control", "fifo"; fifo_depth = <256>; label = "i2s_rx"; status = "disabled"; }; i2s_tx: i2s_tx@e000b000 { compatible = "litex,i2s"; reg = <0xe000b000 0x20 0xb2000000 0x40000>; interrupt-parent = <&intc0>; interrupts = <7 2>; #address-cells = <1>; #size-cells = <0>; reg-names = "control", "fifo"; fifo_depth = <256>; label = "i2s_tx"; status = "disabled"; }; clock-outputs { #address-cells = <1>; #size-cells = <0>; clk0: clock-controller@0 { #clock-cells = <1>; reg = <0>; compatible = "litex,clkout"; clock-output-names = "CLK_0"; litex,clock-frequency = <100000000>; litex,clock-phase = <0>; litex,clock-duty-num = <1>; litex,clock-duty-den = <2>; litex,clock-margin = <1>; litex,clock-margin-exp = <2>; status = "disabled"; }; clk1: clock-controller@1 { #clock-cells = <1>; reg = <1>; compatible = "litex,clkout"; clock-output-names = "CLK_1"; litex,clock-frequency = <100000000>; litex,clock-phase = <0>; litex,clock-duty-num = <1>; litex,clock-duty-den = <2>; litex,clock-margin = <1>; litex,clock-margin-exp = <2>; status = "disabled"; }; }; clock0: clock@82005000 { compatible = "litex,clk"; label = "clock0"; reg = <0x82005000 0x1 0x82005004 0x1 0x82005008 0x1 0x8200500c 0x1 0x82005010 0x1 0x82005014 0x1 0x82005018 0x2 0x82005020 0x2>; reg-names = "drp_reset", "drp_locked", "drp_read", "drp_write", "drp_drdy", "drp_adr", "drp_dat_w", "drp_dat_r"; #clock-cells = <1>; clocks = <&clk0 0>, <&clk1 1>; clock-output-names = "CLK_0", "CLK_1"; litex,lock-timeout = <10>; litex,drdy-timeout = <10>; litex,sys-clock-frequency = <100000000>; litex,divclk-divide-min = <1>; litex,divclk-divide-max = <107>; litex,clkfbout-mult-min = <2>; litex,clkfbout-mult-max = <65>; litex,vco-freq-min = <600000000>; litex,vco-freq-max = <1200000000>; litex,clkout-divide-min = <1>; litex,clkout-divide-max = <126>; litex,vco-margin = <0>; status = "disabled"; }; }; };