arch/arm/boot/dts/dove-cm-a510.dtsi

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