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 ð {
129 ethernet-port@0 {
130 phy-handle = <ðphy>;
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 };
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