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	wifi_power: regulator-1 {
112		compatible = "regulator-fixed";
113		regulator-name = "WiFi Power";
114		regulator-min-microvolt = <3300000>;
115		regulator-max-microvolt = <3300000>;
116		gpio = <&gpio2 7 GPIO_ACTIVE_HIGH>;
117	};
118};
119
120/* Optional RTL8211D GbE PHY on SMI address 0x03 */
121&mdio {
122	ethphy: ethernet-phy@3 {
123		reg = <3>;
124		status = "disabled";
125	};
126};
127
128&eth {
129	ethernet-port@0 {
130		phy-handle = <&ethphy>;
131	};
132};
133
134&i2c0 {
135	/* Optional TI TLV320AIC23b audio codec */
136	opt_audio: audio@1a {
137		compatible = "ti,tlv320aic23";
138		reg = <0x1a>;
139		status = "disabled";
140	};
141};
142
143/* Optional RTL8111D GbE NIC on PCIe1 */
144&pcie { status = "disabled"; };
145
146&pcie1 {
147	pinctrl-0 = <&pmx_pcie1_clkreq>;
148	pinctrl-names = "default";
149	status = "disabled";
150};
151
152&pinctrl {
153	pmx_uart2: pmx-uart2 {
154		marvell,pins = "mpp14", "mpp15";
155		marvell,function = "uart2";
156	};
157};
158
159/* Optional Broadcom BCM4319 802.11b/g/n WiFi module */
160&sdio1 {
161	non-removable;
162	vmmc-supply = <&wifi_power>;
163	reset-gpio = <&gpio2 6 GPIO_ACTIVE_LOW>;
164	status = "disabled";
165};
166
167&spi0 {
168	status = "okay";
169
170	/* 1M Flash Winbond W25Q80BL */
171	flash@0 {
172		compatible = "winbond,w25q80";
173		spi-max-frequency = <80000000>;
174		reg = <0>;
175	};
176};
177
178&spi1 {
179	pinctrl-0 = <&pmx_spi1_20_23>;
180	pinctrl-names = "default";
181	status = "disabled";
182
183	/* Optional TI TSC2046 touchscreen controller */
184	opt_touch: touchscreen@0 {
185		compatible = "ti,tsc2046";
186		spi-max-frequency = <2500000>;
187		reg = <0>;
188		pinctrl-0 = <&pmx_gpio_13>;
189		pinctrl-names = "default";
190		interrupts-extended = <&gpio0 13 IRQ_TYPE_EDGE_FALLING>;
191	};
192};
193
194&uart2 {
195	pinctrl-0 = <&pmx_uart2>;
196	pinctrl-names = "default";
197};