1// SPDX-License-Identifier: GPL-2.0-or-later OR MIT 2/* 3 * Broadcom BCM470X / BCM5301X ARM platform code. 4 * DTS for Buffalo WZR-1750DHP 5 * 6 * Copyright (C) 2014 Rafał Miłecki <zajec5@gmail.com> 7 */ 8 9/dts-v1/; 10 11#include "bcm4708.dtsi" 12#include "bcm5301x-nand-cs0-bch8.dtsi" 13 14/ { 15 compatible = "buffalo,wzr-1750dhp", "brcm,bcm4708"; 16 model = "Buffalo WZR-1750DHP (BCM4708)"; 17 18 chosen { 19 bootargs = "console=ttyS0,115200 earlycon"; 20 }; 21 22 memory { 23 reg = <0x00000000 0x08000000 24 0x88000000 0x18000000>; 25 }; 26 27 spi { 28 compatible = "spi-gpio"; 29 num-chipselects = <1>; 30 gpio-sck = <&chipcommon 7 0>; 31 gpio-mosi = <&chipcommon 4 0>; 32 cs-gpios = <&chipcommon 6 0>; 33 #address-cells = <1>; 34 #size-cells = <0>; 35 36 hc595: gpio_spi@0 { 37 compatible = "fairchild,74hc595"; 38 reg = <0>; 39 registers-number = <1>; 40 spi-max-frequency = <100000>; 41 42 gpio-controller; 43 #gpio-cells = <2>; 44 45 }; 46 }; 47 48 leds { 49 compatible = "gpio-leds"; 50 51 usb { 52 label = "bcm53xx:blue:usb"; 53 gpios = <&hc595 0 GPIO_ACTIVE_HIGH>; 54 trigger-sources = <&ohci_port1>, <&ehci_port1>, 55 <&xhci_port1>, <&ohci_port2>, 56 <&ehci_port2>; 57 linux,default-trigger = "usbport"; 58 }; 59 60 power0 { 61 label = "bcm53xx:red:power"; 62 gpios = <&hc595 1 GPIO_ACTIVE_HIGH>; 63 }; 64 65 power1 { 66 label = "bcm53xx:white:power"; 67 gpios = <&hc595 2 GPIO_ACTIVE_HIGH>; 68 linux,default-trigger = "default-on"; 69 }; 70 71 router0 { 72 label = "bcm53xx:blue:router"; 73 gpios = <&hc595 3 GPIO_ACTIVE_HIGH>; 74 linux,default-trigger = "default-on"; 75 }; 76 77 router1 { 78 label = "bcm53xx:amber:router"; 79 gpios = <&hc595 4 GPIO_ACTIVE_HIGH>; 80 }; 81 82 wan { 83 label = "bcm53xx:blue:wan"; 84 gpios = <&hc595 5 GPIO_ACTIVE_HIGH>; 85 linux,default-trigger = "default-on"; 86 }; 87 88 wireless0 { 89 label = "bcm53xx:blue:wireless"; 90 gpios = <&hc595 6 GPIO_ACTIVE_HIGH>; 91 }; 92 93 wireless1 { 94 label = "bcm53xx:amber:wireless"; 95 gpios = <&hc595 7 GPIO_ACTIVE_HIGH>; 96 }; 97 }; 98 99 gpio-keys { 100 compatible = "gpio-keys"; 101 #address-cells = <1>; 102 #size-cells = <0>; 103 104 restart { 105 label = "Reset"; 106 linux,code = <KEY_RESTART>; 107 gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>; 108 }; 109 110 aoss { 111 label = "AOSS"; 112 linux,code = <KEY_WPS_BUTTON>; 113 gpios = <&chipcommon 12 GPIO_ACTIVE_LOW>; 114 }; 115 116 /* Commit mode set by switch? */ 117 mode { 118 label = "Mode"; 119 linux,code = <KEY_SETUP>; 120 gpios = <&chipcommon 13 GPIO_ACTIVE_LOW>; 121 }; 122 123 /* Switch: AP mode */ 124 sw_ap { 125 label = "AP"; 126 linux,code = <BTN_0>; 127 gpios = <&chipcommon 14 GPIO_ACTIVE_LOW>; 128 }; 129 130 eject { 131 label = "USB eject"; 132 linux,code = <KEY_EJECTCD>; 133 gpios = <&chipcommon 15 GPIO_ACTIVE_LOW>; 134 }; 135 }; 136}; 137 138&usb2 { 139 vcc-gpio = <&chipcommon 9 GPIO_ACTIVE_HIGH>; 140}; 141 142&usb3 { 143 vcc-gpio = <&chipcommon 10 GPIO_ACTIVE_LOW>; 144}; 145 146&spi_nor { 147 status = "okay"; 148}; 149 150&usb3_phy { 151 status = "okay"; 152}; 153