| /* |
| * Copyright (c) 2023 by Rivos Inc. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| / { |
| #address-cells = <0x01>; |
| #size-cells = <0x01>; |
| compatible = "lowrisc,opentitan-earlgrey"; |
| |
| cpus { |
| #address-cells = <0x01>; |
| #size-cells = <0x00>; |
| timebase-frequency = <10000000>; |
| |
| cpu@0 { |
| device_type = "cpu"; |
| reg = <0x00>; |
| status = "okay"; |
| compatible = "riscv"; |
| riscv,isa = "rv32imcb_zicsr_zifencei"; |
| |
| hlic: interrupt-controller { |
| #interrupt-cells = <0x01>; |
| interrupt-controller; |
| compatible = "riscv,cpu-intc"; |
| }; |
| }; |
| }; |
| |
| soc { |
| #address-cells = <0x01>; |
| #size-cells = <0x01>; |
| compatible = "simple-bus"; |
| ranges; |
| |
| flash0: flash@20000000 { |
| reg = <0x20000000 0x100000>; |
| compatible = "soc-nv-flash"; |
| }; |
| |
| ram0: memory@10000000 { |
| device_type = "memory"; |
| reg = <0x10000000 0x10000>; |
| }; |
| |
| mtimer: timer@40100000 { |
| compatible = "lowrisc,machine-timer"; |
| reg = <0x40100000 0x200>; |
| interrupts = <7 0>; |
| interrupt-parent = <&hlic>; |
| status = "disabled"; |
| }; |
| |
| aontimer: aontimer@40470000 { |
| compatible = "lowrisc,opentitan-aontimer"; |
| reg = <0x40470000 0x1000>; |
| interrupts = <156 1>; |
| interrupt-names = "wdog_bark"; |
| interrupt-parent = <&plic>; |
| clock-frequency = <200000>; |
| status = "disabled"; |
| }; |
| |
| pwrmgr: pwrmgr@40400000 { |
| compatible = "lowrisc,opentitan-pwrmgr"; |
| reg = <0x40400000 0x80>; |
| status = "okay"; |
| }; |
| |
| plic: interrupt-controller@48000000 { |
| compatible = "sifive,plic-1.0.0"; |
| #address-cells = <0>; |
| #interrupt-cells = <2>; |
| interrupt-controller; |
| interrupts-extended = <&hlic 11>; |
| reg = <0x48000000 0x00001000 |
| 0x48002000 0x00001000 |
| 0x48200000 0x00000008>; |
| reg-names = "prio", "irq_en", "reg"; |
| riscv,max-priority = <7>; |
| riscv,ndev = <184>; |
| status = "okay"; |
| }; |
| |
| uart0: serial@40000000{ |
| reg = <0x40000000 0x1000>; |
| compatible = "lowrisc,opentitan-uart"; |
| status = "disabled"; |
| }; |
| |
| spi0: spi@40300000 { |
| compatible = "lowrisc,opentitan-spi"; |
| status = "disabled"; |
| reg = <0x40300000 0x100>; |
| clock-frequency = <96000000>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| }; |
| |
| spi1: spi@40310000 { |
| compatible = "lowrisc,opentitan-spi"; |
| status = "disabled"; |
| reg = <0x40310000 0x100>; |
| clock-frequency = <48000000>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| }; |
| }; |
| }; |
| |