Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arc/vdk_axs10x_mb.dtsi
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1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Support for peripherals on the AXS10x mainboard (VDK version) 4 * 5 * Copyright (C) 2013-15 Synopsys, Inc. (www.synopsys.com) 6 */ 7 8 / { 9 axs10x_mb_vdk { 10 compatible = "simple-bus"; 11 #address-cells = <1>; 12 #size-cells = <1>; 13 ranges = <0x00000000 0xe0000000 0x10000000>; 14 interrupt-parent = <&mb_intc>; 15 16 clocks { 17 apbclk: apbclk { 18 compatible = "fixed-clock"; 19 clock-frequency = <50000000>; 20 #clock-cells = <0>; 21 }; 22 23 mmcclk: mmcclk { 24 compatible = "fixed-clock"; 25 clock-frequency = <50000000>; 26 #clock-cells = <0>; 27 }; 28 29 pguclk: pguclk { 30 #clock-cells = <0>; 31 compatible = "fixed-clock"; 32 clock-frequency = <25175000>; 33 }; 34 }; 35 36 ethernet@18000 { 37 #interrupt-cells = <1>; 38 compatible = "snps,dwmac"; 39 reg = < 0x18000 0x2000 >; 40 interrupts = < 4 >; 41 interrupt-names = "macirq"; 42 phy-mode = "rgmii"; 43 snps,phy-addr = < 0 >; // VDK model phy address is 0 44 snps,pbl = < 32 >; 45 clocks = <&apbclk>; 46 clock-names = "stmmaceth"; 47 }; 48 49 ehci@40000 { 50 compatible = "generic-ehci"; 51 reg = < 0x40000 0x100 >; 52 interrupts = < 8 >; 53 }; 54 55 uart@20000 { 56 compatible = "snps,dw-apb-uart"; 57 reg = <0x20000 0x100>; 58 clock-frequency = <2403200>; 59 interrupts = <17>; 60 baud = <115200>; 61 reg-shift = <2>; 62 reg-io-width = <4>; 63 }; 64 65 uart@21000 { 66 compatible = "snps,dw-apb-uart"; 67 reg = <0x21000 0x100>; 68 clock-frequency = <2403200>; 69 interrupts = <18>; 70 baud = <115200>; 71 reg-shift = <2>; 72 reg-io-width = <4>; 73 }; 74 75 uart@22000 { 76 compatible = "snps,dw-apb-uart"; 77 reg = <0x22000 0x100>; 78 clock-frequency = <2403200>; 79 interrupts = <19>; 80 baud = <115200>; 81 reg-shift = <2>; 82 reg-io-width = <4>; 83 }; 84 85 /* PGU output directly sent to virtual LCD screen; hdmi controller not modelled */ 86 pgu@17000 { 87 compatible = "snps,arcpgu"; 88 reg = <0x17000 0x400>; 89 clocks = <&pguclk>; 90 clock-names = "pxlclk"; 91 }; 92 93 /* VDK has additional ps2 keyboard/mouse interface integrated in LCD screen model */ 94 ps2: ps2@e0017400 { 95 compatible = "snps,arc_ps2"; 96 reg = <0x17400 0x14>; 97 interrupts = <5>; 98 interrupt-names = "arc_ps2_irq"; 99 }; 100 101 mmc@15000 { 102 compatible = "snps,dw-mshc"; 103 reg = <0x15000 0x400>; 104 fifo-depth = <1024>; 105 card-detect-delay = <200>; 106 clocks = <&apbclk>, <&mmcclk>; 107 clock-names = "biu", "ciu"; 108 interrupts = <7>; 109 bus-width = <4>; 110 }; 111 }; 112 113 /* 114 * Embedded Vision subsystem UIO mappings; only relevant for EV VDK 115 * 116 * This node is intentionally put outside of MB above becase 117 * it maps areas outside of MB's 0xez-0xfz. 118 */ 119 uio_ev: uio@d0000000 { 120 compatible = "generic-uio"; 121 reg = <0xd0000000 0x2000 0xd1000000 0x2000 0x90000000 0x10000000 0xc0000000 0x10000000>; 122 reg-names = "ev_gsa", "ev_ctrl", "ev_shared_mem", "ev_code_mem"; 123 interrupt-parent = <&mb_intc>; 124 interrupts = <23>; 125 }; 126 };
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