|  | // SPDX-License-Identifier: GPL-2.0-only | 
|  | /* | 
|  | * Copyright (C) 2015 Altera Corporation. All rights reserved. | 
|  | */ | 
|  |  | 
|  | /dts-v1/; | 
|  |  | 
|  | / { | 
|  | model = "Altera NiosII Max10"; | 
|  | compatible = "altr,niosii-max10"; | 
|  | #address-cells = <1>; | 
|  | #size-cells = <1>; | 
|  |  | 
|  | cpus { | 
|  | #address-cells = <1>; | 
|  | #size-cells = <0>; | 
|  |  | 
|  | cpu: cpu@0 { | 
|  | device_type = "cpu"; | 
|  | compatible = "altr,nios2-1.1"; | 
|  | reg = <0x00000000>; | 
|  | interrupt-controller; | 
|  | #interrupt-cells = <1>; | 
|  | altr,exception-addr = <0xc8000120>; | 
|  | altr,fast-tlb-miss-addr = <0xc0000100>; | 
|  | altr,has-div = <1>; | 
|  | altr,has-initda = <1>; | 
|  | altr,has-mmu = <1>; | 
|  | altr,has-mul = <1>; | 
|  | altr,implementation = "fast"; | 
|  | altr,pid-num-bits = <8>; | 
|  | altr,reset-addr = <0xd4000000>; | 
|  | altr,tlb-num-entries = <256>; | 
|  | altr,tlb-num-ways = <16>; | 
|  | altr,tlb-ptr-sz = <8>; | 
|  | clock-frequency = <75000000>; | 
|  | dcache-line-size = <32>; | 
|  | dcache-size = <32768>; | 
|  | icache-line-size = <32>; | 
|  | icache-size = <32768>; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | memory { | 
|  | device_type = "memory"; | 
|  | reg = <0x08000000 0x08000000>, | 
|  | <0x00000000 0x00000400>; | 
|  | }; | 
|  |  | 
|  | sopc0: sopc@0 { | 
|  | device_type = "soc"; | 
|  | ranges; | 
|  | #address-cells = <1>; | 
|  | #size-cells = <1>; | 
|  | compatible = "altr,avalon", "simple-bus"; | 
|  | bus-frequency = <75000000>; | 
|  |  | 
|  | jtag_uart: serial@18001530 { | 
|  | compatible = "altr,juart-1.0"; | 
|  | reg = <0x18001530 0x00000008>; | 
|  | interrupt-parent = <&cpu>; | 
|  | interrupts = <7>; | 
|  | }; | 
|  |  | 
|  | a_16550_uart_0: serial@18001600 { | 
|  | compatible = "altr,16550-FIFO32", "ns16550a"; | 
|  | reg = <0x18001600 0x00000200>; | 
|  | interrupt-parent = <&cpu>; | 
|  | interrupts = <1>; | 
|  | auto-flow-control = <1>; | 
|  | clock-frequency = <50000000>; | 
|  | fifo-size = <32>; | 
|  | reg-io-width = <4>; | 
|  | reg-shift = <2>; | 
|  | tx-threshold = <16>; | 
|  | }; | 
|  |  | 
|  | sysid: sysid@18001528 { | 
|  | compatible = "altr,sysid-1.0"; | 
|  | reg = <0x18001528 0x00000008>; | 
|  | id = <4207856382>; | 
|  | timestamp = <1431309290>; | 
|  | }; | 
|  |  | 
|  | rgmii_0_eth_tse_0: ethernet@400 { | 
|  | compatible = "altr,tse-msgdma-1.0", "altr,tse-1.0"; | 
|  | reg = <0x00000400 0x00000400>, | 
|  | <0x00000820 0x00000020>, | 
|  | <0x00000800 0x00000020>, | 
|  | <0x000008c0 0x00000008>, | 
|  | <0x00000840 0x00000020>, | 
|  | <0x00000860 0x00000020>; | 
|  | reg-names = "control_port", "rx_csr", "rx_desc", "rx_resp", "tx_csr", "tx_desc"; | 
|  | interrupt-parent = <&cpu>; | 
|  | interrupts = <2 3>; | 
|  | interrupt-names = "rx_irq", "tx_irq"; | 
|  | rx-fifo-depth = <8192>; | 
|  | tx-fifo-depth = <8192>; | 
|  | address-bits = <48>; | 
|  | max-frame-size = <1518>; | 
|  | local-mac-address = [00 00 00 00 00 00]; | 
|  | altr,has-supplementary-unicast; | 
|  | altr,enable-sup-addr = <1>; | 
|  | altr,has-hash-multicast-filter; | 
|  | altr,enable-hash = <1>; | 
|  | phy-mode = "rgmii-id"; | 
|  | phy-handle = <&phy0>; | 
|  | rgmii_0_eth_tse_0_mdio: mdio { | 
|  | compatible = "altr,tse-mdio"; | 
|  | #address-cells = <1>; | 
|  | #size-cells = <0>; | 
|  | phy0: ethernet-phy@0 { | 
|  | reg = <0>; | 
|  | device_type = "ethernet-phy"; | 
|  | }; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | enet_pll: clock@0 { | 
|  | compatible = "altr,pll-1.0"; | 
|  | #clock-cells = <1>; | 
|  |  | 
|  | enet_pll_c0: enet_pll_c0 { | 
|  | compatible = "fixed-clock"; | 
|  | #clock-cells = <0>; | 
|  | clock-frequency = <125000000>; | 
|  | clock-output-names = "enet_pll-c0"; | 
|  | }; | 
|  |  | 
|  | enet_pll_c1: enet_pll_c1 { | 
|  | compatible = "fixed-clock"; | 
|  | #clock-cells = <0>; | 
|  | clock-frequency = <25000000>; | 
|  | clock-output-names = "enet_pll-c1"; | 
|  | }; | 
|  |  | 
|  | enet_pll_c2: enet_pll_c2 { | 
|  | compatible = "fixed-clock"; | 
|  | #clock-cells = <0>; | 
|  | clock-frequency = <2500000>; | 
|  | clock-output-names = "enet_pll-c2"; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | sys_pll: clock@1 { | 
|  | compatible = "altr,pll-1.0"; | 
|  | #clock-cells = <1>; | 
|  |  | 
|  | sys_pll_c0: sys_pll_c0 { | 
|  | compatible = "fixed-clock"; | 
|  | #clock-cells = <0>; | 
|  | clock-frequency = <100000000>; | 
|  | clock-output-names = "sys_pll-c0"; | 
|  | }; | 
|  |  | 
|  | sys_pll_c1: sys_pll_c1 { | 
|  | compatible = "fixed-clock"; | 
|  | #clock-cells = <0>; | 
|  | clock-frequency = <50000000>; | 
|  | clock-output-names = "sys_pll-c1"; | 
|  | }; | 
|  |  | 
|  | sys_pll_c2: sys_pll_c2 { | 
|  | compatible = "fixed-clock"; | 
|  | #clock-cells = <0>; | 
|  | clock-frequency = <75000000>; | 
|  | clock-output-names = "sys_pll-c2"; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | sys_clk_timer: timer@18001440 { | 
|  | compatible = "altr,timer-1.0"; | 
|  | reg = <0x18001440 0x00000020>; | 
|  | interrupt-parent = <&cpu>; | 
|  | interrupts = <0>; | 
|  | clock-frequency = <75000000>; | 
|  | }; | 
|  |  | 
|  | led_pio: gpio@180014d0 { | 
|  | compatible = "altr,pio-1.0"; | 
|  | reg = <0x180014d0 0x00000010>; | 
|  | altr,ngpio = <4>; | 
|  | #gpio-cells = <2>; | 
|  | gpio-controller; | 
|  | }; | 
|  |  | 
|  | button_pio: gpio@180014c0 { | 
|  | compatible = "altr,pio-1.0"; | 
|  | reg = <0x180014c0 0x00000010>; | 
|  | interrupt-parent = <&cpu>; | 
|  | interrupts = <6>; | 
|  | altr,ngpio = <3>; | 
|  | altr,interrupt-type = <2>; | 
|  | edge_type = <1>; | 
|  | level_trigger = <0>; | 
|  | #gpio-cells = <2>; | 
|  | gpio-controller; | 
|  | }; | 
|  |  | 
|  | sys_clk_timer_1: timer@880 { | 
|  | compatible = "altr,timer-1.0"; | 
|  | reg = <0x00000880 0x00000020>; | 
|  | interrupt-parent = <&cpu>; | 
|  | interrupts = <5>; | 
|  | clock-frequency = <75000000>; | 
|  | }; | 
|  |  | 
|  | fpga_leds: leds { | 
|  | compatible = "gpio-leds"; | 
|  |  | 
|  | led_fpga0: fpga0 { | 
|  | label = "fpga_led0"; | 
|  | gpios = <&led_pio 0 1>; | 
|  | }; | 
|  |  | 
|  | led_fpga1: fpga1 { | 
|  | label = "fpga_led1"; | 
|  | gpios = <&led_pio 1 1>; | 
|  | }; | 
|  |  | 
|  | led_fpga2: fpga2 { | 
|  | label = "fpga_led2"; | 
|  | gpios = <&led_pio 2 1>; | 
|  | }; | 
|  |  | 
|  | led_fpga3: fpga3 { | 
|  | label = "fpga_led3"; | 
|  | gpios = <&led_pio 3 1>; | 
|  | }; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | chosen { | 
|  | bootargs = "debug earlycon console=ttyS0,115200"; | 
|  | stdout-path = &a_16550_uart_0; | 
|  | }; | 
|  | }; |