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@0 { 23 device_type = "memory"; 24 reg = <0x00000000 0x08000000>, 25 <0x88000000 0x18000000>; 26 }; 27 28 spi { 29 compatible = "spi-gpio"; 30 num-chipselects = <1>; 31 sck-gpios = <&chipcommon 7 0>; 32 mosi-gpios = <&chipcommon 4 0>; 33 cs-gpios = <&chipcommon 6 0>; 34 #address-cells = <1>; 35 #size-cells = <0>; 36 37 hc595: gpio_spi@0 { 38 compatible = "fairchild,74hc595"; 39 reg = <0>; 40 registers-number = <1>; 41 spi-max-frequency = <100000>; 42 43 gpio-controller; 44 #gpio-cells = <2>; 45 46 }; 47 }; 48 49 leds { 50 compatible = "gpio-leds"; 51 52 led-usb { 53 label = "bcm53xx:blue:usb"; 54 gpios = <&hc595 0 GPIO_ACTIVE_HIGH>; 55 trigger-sources = <&ohci_port1>, <&ehci_port1>, 56 <&xhci_port1>, <&ohci_port2>, 57 <&ehci_port2>; 58 linux,default-trigger = "usbport"; 59 }; 60 61 led-power0 { 62 label = "bcm53xx:red:power"; 63 gpios = <&hc595 1 GPIO_ACTIVE_HIGH>; 64 }; 65 66 led-power1 { 67 label = "bcm53xx:white:power"; 68 gpios = <&hc595 2 GPIO_ACTIVE_HIGH>; 69 linux,default-trigger = "default-on"; 70 }; 71 72 led-router0 { 73 label = "bcm53xx:blue:router"; 74 gpios = <&hc595 3 GPIO_ACTIVE_HIGH>; 75 linux,default-trigger = "default-on"; 76 }; 77 78 led-router1 { 79 label = "bcm53xx:amber:router"; 80 gpios = <&hc595 4 GPIO_ACTIVE_HIGH>; 81 }; 82 83 led-wan { 84 label = "bcm53xx:blue:wan"; 85 gpios = <&hc595 5 GPIO_ACTIVE_HIGH>; 86 linux,default-trigger = "default-on"; 87 }; 88 89 led-wireless0 { 90 label = "bcm53xx:blue:wireless"; 91 gpios = <&hc595 6 GPIO_ACTIVE_HIGH>; 92 }; 93 94 led-wireless1 { 95 label = "bcm53xx:amber:wireless"; 96 gpios = <&hc595 7 GPIO_ACTIVE_HIGH>; 97 }; 98 }; 99 100 gpio-keys { 101 compatible = "gpio-keys"; 102 103 button-restart { 104 label = "Reset"; 105 linux,code = <KEY_RESTART>; 106 gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>; 107 }; 108 109 button-aoss { 110 label = "AOSS"; 111 linux,code = <KEY_WPS_BUTTON>; 112 gpios = <&chipcommon 12 GPIO_ACTIVE_LOW>; 113 }; 114 115 /* Commit mode set by switch? */ 116 button-mode { 117 label = "Mode"; 118 linux,code = <KEY_SETUP>; 119 gpios = <&chipcommon 13 GPIO_ACTIVE_LOW>; 120 }; 121 122 /* Switch: AP mode */ 123 button-sw-ap { 124 label = "AP"; 125 linux,code = <BTN_0>; 126 gpios = <&chipcommon 14 GPIO_ACTIVE_LOW>; 127 }; 128 129 button-eject { 130 label = "USB eject"; 131 linux,code = <KEY_EJECTCD>; 132 gpios = <&chipcommon 15 GPIO_ACTIVE_LOW>; 133 }; 134 }; 135}; 136 137&usb2 { 138 vcc-gpio = <&chipcommon 9 GPIO_ACTIVE_HIGH>; 139}; 140 141&usb3 { 142 vcc-gpio = <&chipcommon 10 GPIO_ACTIVE_LOW>; 143}; 144 145&spi_nor { 146 status = "okay"; 147}; 148 149&usb3_phy { 150 status = "okay"; 151}; 152