Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 1 | // SPDX-License-Identifier: ISC |
| 2 | /* |
| 3 | * Device Tree file for the Linksys WRV54G router |
| 4 | * Also known as Gemtek GTWX5715 |
| 5 | * Based on a board file by George T. Joseph and other patches. |
| 6 | * This machine is based on IXP425. |
| 7 | */ |
| 8 | |
| 9 | /dts-v1/; |
| 10 | |
| 11 | #include "intel-ixp42x.dtsi" |
| 12 | #include <dt-bindings/input/input.h> |
| 13 | |
| 14 | / { |
| 15 | model = "Linksys WRV54G / Gemtek GTWX5715"; |
| 16 | compatible = "linksys,wrv54g", "intel,ixp42x"; |
| 17 | #address-cells = <1>; |
| 18 | #size-cells = <1>; |
| 19 | |
| 20 | memory@0 { |
| 21 | /* 32 MB memory */ |
| 22 | device_type = "memory"; |
| 23 | reg = <0x00000000 0x2000000>; |
| 24 | }; |
| 25 | |
| 26 | chosen { |
| 27 | bootargs = "console=ttyS0,115200n8"; |
| 28 | stdout-path = "uart1:115200n8"; |
| 29 | }; |
| 30 | |
| 31 | aliases { |
| 32 | /* UART2 is the primary console */ |
| 33 | serial0 = &uart1; |
| 34 | serial1 = &uart0; |
| 35 | }; |
| 36 | |
| 37 | /* There is an unpopulated LED slot (3) connected to GPIO 8 */ |
| 38 | leds { |
| 39 | compatible = "gpio-leds"; |
| 40 | led-power { |
| 41 | label = "wrv54g:yellow:power"; |
| 42 | gpios = <&gpio0 2 GPIO_ACTIVE_LOW>; |
| 43 | default-state = "on"; |
| 44 | linux,default-trigger = "heartbeat"; |
| 45 | }; |
| 46 | led-wireless { |
| 47 | label = "wrv54g:yellow:wireless"; |
| 48 | gpios = <&gpio0 9 GPIO_ACTIVE_LOW>; |
| 49 | default-state = "on"; |
| 50 | }; |
| 51 | led-internet { |
| 52 | label = "wrv54g:yellow:internet"; |
| 53 | gpios = <&gpio0 1 GPIO_ACTIVE_LOW>; |
| 54 | default-state = "on"; |
| 55 | }; |
| 56 | led-dmz { |
| 57 | label = "wrv54g:green:dmz"; |
| 58 | gpios = <&gpio0 4 GPIO_ACTIVE_LOW>; |
| 59 | default-state = "on"; |
| 60 | }; |
| 61 | }; |
| 62 | |
| 63 | /* This set-up comes from an OpenWrt patch */ |
| 64 | spi { |
| 65 | compatible = "spi-gpio"; |
| 66 | #address-cells = <1>; |
| 67 | #size-cells = <0>; |
| 68 | |
| 69 | sck-gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>; |
| 70 | miso-gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>; |
| 71 | mosi-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>; |
| 72 | cs-gpios = <&gpio0 5 GPIO_ACTIVE_LOW>; |
| 73 | num-chipselects = <1>; |
| 74 | |
| 75 | switch@0 { |
| 76 | compatible = "micrel,ks8995"; |
| 77 | reg = <0>; |
| 78 | spi-max-frequency = <50000000>; |
| 79 | }; |
| 80 | }; |
| 81 | |
| 82 | soc { |
| 83 | bus@c4000000 { |
| 84 | flash@0,0 { |
| 85 | compatible = "intel,ixp4xx-flash", "cfi-flash"; |
| 86 | bank-width = <2>; |
| 87 | /* Enable writes on the expansion bus */ |
| 88 | intel,ixp4xx-eb-write-enable = <1>; |
| 89 | /* 8 MB of Flash mapped in at CS0 */ |
| 90 | reg = <0 0x00000000 0x00800000>; |
| 91 | |
| 92 | partitions { |
| 93 | compatible = "fixed-partitions"; |
| 94 | /* |
| 95 | * Partition info from a boot log |
| 96 | * CHECKME: not using redboot? FIS index 0x3f @7e00000? |
| 97 | */ |
| 98 | #address-cells = <1>; |
| 99 | #size-cells = <1>; |
| 100 | partition@0 { |
| 101 | label = "boot"; |
| 102 | reg = <0x0 0x140000>; |
| 103 | read-only; |
| 104 | }; |
| 105 | partition@140000 { |
| 106 | label = "linux"; |
| 107 | reg = <0x140000 0x100000>; |
| 108 | read-only; |
| 109 | }; |
| 110 | partition@240000 { |
| 111 | label = "root"; |
| 112 | reg = <0x240000 0x480000>; |
| 113 | read-write; |
| 114 | }; |
| 115 | }; |
| 116 | }; |
| 117 | }; |
| 118 | |
| 119 | pci@c0000000 { |
| 120 | status = "okay"; |
| 121 | |
| 122 | /* |
| 123 | * We have up to 2 slots (IDSEL) with 2 swizzled IRQs. |
| 124 | * Derived from the GTWX5715 PCI boardfile. |
| 125 | */ |
| 126 | #interrupt-cells = <1>; |
| 127 | interrupt-map-mask = <0xf800 0 0 7>; |
| 128 | interrupt-map = |
| 129 | /* IDSEL 0 */ |
| 130 | <0x0000 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 0 is irq 10 */ |
| 131 | <0x0000 0 0 2 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 0 is irq 11 */ |
| 132 | /* IDSEL 1 */ |
| 133 | <0x0800 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 1 is irq 11 */ |
| 134 | <0x0800 0 0 2 &gpio0 10 IRQ_TYPE_LEVEL_LOW>; /* INT B on slot 1 is irq 10 */ |
| 135 | }; |
| 136 | |
| 137 | /* |
| 138 | * EthB - connected to the KS8995 switch ports 1-4 |
| 139 | * FIXME: the boardfile defines .phy_mask = 0x1e for this port to enable output to |
| 140 | * all four switch ports, also using an out of tree multiphy patch. |
| 141 | * Do we need a new binding and property for this? |
| 142 | */ |
| 143 | ethernet@c8009000 { |
| 144 | status = "okay"; |
| 145 | queue-rx = <&qmgr 3>; |
| 146 | queue-txready = <&qmgr 20>; |
| 147 | phy-mode = "rgmii"; |
| 148 | phy-handle = <&phy4>; |
| 149 | |
| 150 | mdio { |
| 151 | #address-cells = <1>; |
| 152 | #size-cells = <0>; |
| 153 | |
| 154 | /* Should be ports 1-4 on the KS8995 switch */ |
| 155 | phy4: ethernet-phy@4 { |
| 156 | reg = <4>; |
| 157 | }; |
| 158 | |
| 159 | /* Should be port 5 on the KS8995 switch */ |
| 160 | phy5: ethernet-phy@5 { |
| 161 | reg = <5>; |
| 162 | }; |
| 163 | }; |
| 164 | }; |
| 165 | |
| 166 | /* EthC - connected to KS8995 switch port 5 */ |
| 167 | ethernet@c800a000 { |
| 168 | status = "okay"; |
| 169 | queue-rx = <&qmgr 4>; |
| 170 | queue-txready = <&qmgr 21>; |
| 171 | phy-mode = "rgmii"; |
| 172 | phy-handle = <&phy5>; |
| 173 | }; |
| 174 | }; |
| 175 | }; |