1/* 2 * Copyright (C) 2014, 2015 Synopsys, Inc. (www.synopsys.com) 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 */ 8 9/* 10 * Device tree for AXC003 CPU card: 11 * HS38x2 (Dual Core) with IDU intc (VDK version) 12 */ 13 14/include/ "skeleton_hs_idu.dtsi" 15 16/ { 17 compatible = "snps,arc"; 18 #address-cells = <1>; 19 #size-cells = <1>; 20 21 cpu_card { 22 compatible = "simple-bus"; 23 #address-cells = <1>; 24 #size-cells = <1>; 25 26 ranges = <0x00000000 0xf0000000 0x10000000>; 27 28 core_clk: core_clk { 29 #clock-cells = <0>; 30 compatible = "fixed-clock"; 31 clock-frequency = <50000000>; 32 }; 33 34 core_intc: archs-intc@cpu { 35 compatible = "snps,archs-intc"; 36 interrupt-controller; 37 #interrupt-cells = <1>; 38 }; 39 40 idu_intc: idu-interrupt-controller { 41 compatible = "snps,archs-idu-intc"; 42 interrupt-controller; 43 interrupt-parent = <&core_intc>; 44 45 /* 46 * <hwirq distribution> 47 * distribution: 0=RR; 1=cpu0, 2=cpu1, 4=cpu2, 8=cpu3 48 */ 49 #interrupt-cells = <2>; 50 51 interrupts = <24 25 26 27>; 52 }; 53 54 debug_uart: dw-apb-uart@0x5000 { 55 compatible = "snps,dw-apb-uart"; 56 reg = <0x5000 0x100>; 57 clock-frequency = <2403200>; 58 interrupt-parent = <&idu_intc>; 59 interrupts = <2 0>; 60 baud = <115200>; 61 reg-shift = <2>; 62 reg-io-width = <4>; 63 }; 64 65 }; 66 67 mb_intc: dw-apb-ictl@0xe0012000 { 68 #interrupt-cells = <1>; 69 compatible = "snps,dw-apb-ictl"; 70 reg = < 0xe0012000 0x200 >; 71 interrupt-controller; 72 interrupt-parent = <&idu_intc>; 73 interrupts = < 0 0 >; 74 }; 75 76 memory { 77 #address-cells = <1>; 78 #size-cells = <1>; 79 ranges = <0x00000000 0x80000000 0x40000000>; 80 device_type = "memory"; 81 reg = <0x80000000 0x20000000>; /* 512MiB */ 82 }; 83}; 84