1// SPDX-License-Identifier: ISC 2/* 3 * Device Tree file for Netgear WG302v2 based on IXP422BB 4 * Derived from boardfiles written by Imre Kaloz 5 */ 6 7/dts-v1/; 8 9#include "intel-ixp42x.dtsi" 10#include <dt-bindings/input/input.h> 11 12/ { 13 model = "Netgear WG302 v1"; 14 compatible = "netgear,wg302v1", "intel,ixp42x"; 15 #address-cells = <1>; 16 #size-cells = <1>; 17 18 memory@0 { 19 /* 32 MB SDRAM according to boot arguments */ 20 device_type = "memory"; 21 reg = <0x00000000 0x02000000>; 22 }; 23 24 chosen { 25 /* The RedBoot comes up in 9600 baud so let's keep this */ 26 bootargs = "console=ttyS0,9600n8"; 27 stdout-path = "uart1:9600n8"; 28 }; 29 30 aliases { 31 /* These are switched around */ 32 serial0 = &uart1; 33 }; 34 35 soc { 36 bus@c4000000 { 37 flash@0,0 { 38 compatible = "intel,ixp4xx-flash", "cfi-flash"; 39 bank-width = <2>; 40 /* 41 * 8 MB of Flash in 64 0x20000 sized blocks 42 * mapped in at CS0. 43 */ 44 reg = <0 0x00000000 0x800000>; 45 46 /* Configure expansion bus to allow writes */ 47 intel,ixp4xx-eb-write-enable = <1>; 48 49 partitions { 50 compatible = "redboot-fis"; 51 fis-index-block = <0x3f>; 52 }; 53 }; 54 }; 55 56 pci@c0000000 { 57 status = "okay"; 58 59 /* 60 * Taken from WG302 v2 PCI boardfile (wg302v2-pci.c) 61 * We have slots (IDSEL) 1 and 2 with one assigned IRQ 62 * each handling all IRQs. 63 */ 64 #interrupt-cells = <1>; 65 interrupt-map-mask = <0xf800 0 0 7>; 66 interrupt-map = 67 /* IDSEL 1 */ 68 <0x0800 0 0 1 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 1 is irq 8 */ 69 <0x0800 0 0 2 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 1 is irq 8 */ 70 <0x0800 0 0 3 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 1 is irq 8 */ 71 <0x0800 0 0 4 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 1 is irq 8 */ 72 /* IDSEL 2 */ 73 <0x1000 0 0 1 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 9 */ 74 <0x1000 0 0 2 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 2 is irq 9 */ 75 <0x1000 0 0 3 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 2 is irq 9 */ 76 <0x1000 0 0 4 &gpio0 9 IRQ_TYPE_LEVEL_LOW>; /* INT D on slot 2 is irq 9 */ 77 }; 78 79 ethernet@c8009000 { 80 status = "okay"; 81 queue-rx = <&qmgr 3>; 82 queue-txready = <&qmgr 20>; 83 phy-mode = "rgmii"; 84 phy-handle = <&phy30>; 85 86 mdio { 87 #address-cells = <1>; 88 #size-cells = <0>; 89 90 phy30: ethernet-phy@30 { 91 reg = <30>; 92 }; 93 }; 94 }; 95 }; 96}; 97