1/* 2 * Device Tree include for Compulab CM-A510 System-on-Module 3 * 4 * Copyright (C) 2015, Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> 5 * 6 * This file is dual-licensed: you can use it either under the terms 7 * of the GPL or the X11 license, at your option. Note that this dual 8 * licensing only applies to this file, and not this project as a 9 * whole. 10 * 11 * a) This file is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU General Public License as 13 * published by the Free Software Foundation; version 2 of the 14 * License. 15 * 16 * This file is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * Or, alternatively, 22 * 23 * b) Permission is hereby granted, free of charge, to any person 24 * obtaining a copy of this software and associated documentation 25 * files (the "Software"), to deal in the Software without 26 * restriction, including without limitation the rights to use, 27 * copy, modify, merge, publish, distribute, sublicense, and/or 28 * sell copies of the Software, and to permit persons to whom the 29 * Software is furnished to do so, subject to the following 30 * conditions: 31 * 32 * The above copyright notice and this permission notice shall be 33 * included in all copies or substantial portions of the Software. 34 * 35 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 36 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 37 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 38 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 39 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 40 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 41 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 42 * OTHER DEALINGS IN THE SOFTWARE. 43 */ 44 45/* 46 * The CM-A510 comes with several optional components: 47 * 48 * Memory options: 49 * D512: 512M 50 * D1024: 1G 51 * 52 * NAND options: 53 * N512: 512M NAND 54 * 55 * Ethernet options: 56 * E1: PHY RTL8211D on internal GbE (SMI address 0x03) 57 * E2: Additional ethernet NIC RTL8111D on PCIe1 58 * 59 * Audio options: 60 * A: TI TLV320AIC23b audio codec (I2C address 0x1a) 61 * 62 * Touchscreen options: 63 * I: TI TSC2046 touchscreen controller (on SPI1) 64 * 65 * USB options: 66 * U2: 2 dual-role USB2.0 ports 67 * U4: 2 additional USB2.0 host ports (via USB1) 68 * 69 * WiFi options: 70 * W: Broadcom BCM4319 802.11b/g/n (USI WM-N-BM-01 on SDIO1) 71 * 72 * GPIOs used on CM-A510: 73 * 1 GbE PHY reset (active low) 74 * 3 WakeUp 75 * 8 PowerOff (active low) 76 * 13 Touchscreen pen irq (active low) 77 * 65 System LED (active high) 78 * 69 USB Hub reset (active low) 79 * 70 WLAN reset (active low) 80 * 71 WLAN regulator (active high) 81 */ 82 83#include "dove.dtsi" 84 85/ { 86 model = "Compulab CM-A510"; 87 compatible = "compulab,cm-a510", "marvell,dove"; 88 89 /* 90 * Set the minimum memory size here and let the 91 * bootloader set the real size. 92 */ 93 memory { 94 device_type = "memory"; 95 reg = <0x00000000 0x20000000>; 96 }; 97 98 leds { 99 compatible = "gpio-leds"; 100 /* Set upper NAND data bit to GPO */ 101 pinctrl-0 = <&pmx_nand_gpo>; 102 pinctrl-names = "default"; 103 104 led-system { 105 label = "cm-a510:system:green"; 106 gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>; 107 default-state = "keep"; 108 }; 109 }; 110 111 regulators { 112 compatible = "simple-bus"; 113 #address-cells = <1>; 114 #size-cells = <0>; 115 116 wifi_power: regulator@1 { 117 compatible = "regulator-fixed"; 118 regulator-name = "WiFi Power"; 119 regulator-min-microvolt = <3300000>; 120 regulator-max-microvolt = <3300000>; 121 gpio = <&gpio2 7 GPIO_ACTIVE_HIGH>; 122 }; 123 }; 124}; 125 126/* Optional RTL8211D GbE PHY on SMI address 0x03 */ 127&mdio { 128 ethphy: ethernet-phy@3 { 129 reg = <3>; 130 status = "disabled"; 131 }; 132}; 133 134ð { 135 ethernet-port@0 { 136 phy-handle = <ðphy>; 137 }; 138}; 139 140&i2c0 { 141 /* Optional TI TLV320AIC23b audio codec */ 142 opt_audio: audio@1a { 143 compatible = "ti,tlv320aic23"; 144 reg = <0x1a>; 145 status = "disabled"; 146 }; 147}; 148 149/* Optional RTL8111D GbE NIC on PCIe1 */ 150&pcie { status = "disabled"; }; 151 152&pcie1 { 153 pinctrl-0 = <&pmx_pcie1_clkreq>; 154 pinctrl-names = "default"; 155 status = "disabled"; 156}; 157 158&pinctrl { 159 pmx_uart2: pmx-uart2 { 160 marvell,pins = "mpp14", "mpp15"; 161 marvell,function = "uart2"; 162 }; 163}; 164 165/* Optional Broadcom BCM4319 802.11b/g/n WiFi module */ 166&sdio1 { 167 non-removable; 168 vmmc-supply = <&wifi_power>; 169 reset-gpio = <&gpio2 6 GPIO_ACTIVE_LOW>; 170 status = "disabled"; 171}; 172 173&spi0 { 174 status = "okay"; 175 176 /* 1M Flash Winbond W25Q80BL */ 177 flash@0 { 178 compatible = "winbond,w25q80"; 179 spi-max-frequency = <80000000>; 180 reg = <0>; 181 }; 182}; 183 184&spi1 { 185 pinctrl-0 = <&pmx_spi1_20_23>; 186 pinctrl-names = "default"; 187 status = "disabled"; 188 189 /* Optional TI TSC2046 touchscreen controller */ 190 opt_touch: touchscreen@0 { 191 compatible = "ti,tsc2046"; 192 spi-max-frequency = <2500000>; 193 reg = <0>; 194 pinctrl-0 = <&pmx_gpio_13>; 195 pinctrl-names = "default"; 196 interrupts-extended = <&gpio0 13 IRQ_TYPE_EDGE_FALLING>; 197 }; 198}; 199 200&uart2 { 201 pinctrl-0 = <&pmx_uart2>; 202 pinctrl-names = "default"; 203}; 204