FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/dove-cm-a510.dtsi

     /*
      * Device Tree include for Compulab CM-A510 System-on-Module
      *
      * Copyright (C) 2015, Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
      *
      * This file is dual-licensed: you can use it either under the terms
      * of the GPL or the X11 license, at your option. Note that this dual
      * licensing only applies to this file, and not this project as a
      * whole.
     *
     *  a) This file is free software; you can redistribute it and/or
     *     modify it under the terms of the GNU General Public License as
     *     published by the Free Software Foundation; version 2 of the
     *     License.
     *
     *     This file is distributed in the hope that it will be useful,
     *     but WITHOUT ANY WARRANTY; without even the implied warranty of
     *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     *     GNU General Public License for more details.
     *
     * Or, alternatively,
     *
     *  b) Permission is hereby granted, free of charge, to any person
     *     obtaining a copy of this software and associated documentation
     *     files (the "Software"), to deal in the Software without
     *     restriction, including without limitation the rights to use,
     *     copy, modify, merge, publish, distribute, sublicense, and/or
     *     sell copies of the Software, and to permit persons to whom the
     *     Software is furnished to do so, subject to the following
     *     conditions:
     *
     *     The above copyright notice and this permission notice shall be
     *     included in all copies or substantial portions of the Software.
     *
     *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
     *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
     *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
     *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     *     OTHER DEALINGS IN THE SOFTWARE.
     */
    
    /*
     * The CM-A510 comes with several optional components:
     *
     * Memory options:
     *  D512: 512M
     *  D1024: 1G
     *
     * NAND options:
     *  N512: 512M NAND
     *
     * Ethernet options:
     *  E1: PHY RTL8211D on internal GbE (SMI address 0x03)
     *  E2: Additional ethernet NIC RTL8111D on PCIe1
     *
     * Audio options:
     *  A: TI TLV320AIC23b audio codec (I2C address 0x1a)
     *
     * Touchscreen options:
     *  I: TI TSC2046 touchscreen controller (on SPI1)
     *
     * USB options:
     *  U2: 2 dual-role USB2.0 ports
     *  U4: 2 additional USB2.0 host ports (via USB1)
     *
     * WiFi options:
     *  W: Broadcom BCM4319 802.11b/g/n (USI WM-N-BM-01 on SDIO1)
     *
     * GPIOs used on CM-A510:
     *   1 GbE PHY reset (active low)
     *   3 WakeUp
     *   8 PowerOff (active low)
     *  13 Touchscreen pen irq (active low)
     *  65 System LED (active high)
     *  69 USB Hub reset (active low)
     *  70 WLAN reset (active low)
     *  71 WLAN regulator (active high)
     */
    
    #include "dove.dtsi"
    
    / {
            model = "Compulab CM-A510";
            compatible = "compulab,cm-a510", "marvell,dove";
    
            /*
             * Set the minimum memory size here and let the
             * bootloader set the real size.
             */
            memory {
                    device_type = "memory";
                    reg = <0x00000000 0x20000000>;
            };
    
            leds {
                    compatible = "gpio-leds";
                   /* Set upper NAND data bit to GPO */
                   pinctrl-0 = <&pmx_nand_gpo>;
                   pinctrl-names = "default";
   
                   system {
                           label = "cm-a510:system:green";
                           gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;
                           default-state = "keep";
                   };
           };
   
           regulators {
                   compatible = "simple-bus";
                   #address-cells = <1>;
                   #size-cells = <0>;
   
                   wifi_power: regulator@1 {
                           compatible = "regulator-fixed";
                           regulator-name = "WiFi Power";
                           regulator-min-microvolt = <3300000>;
                           regulator-max-microvolt = <3300000>;
                           gpio = <&gpio2 7 GPIO_ACTIVE_HIGH>;
                   };
           };
   };
   
   /* Optional RTL8211D GbE PHY on SMI address 0x03 */
   &ethphy {
           reg = <3>;
           status = "disabled";
   };
   
   &i2c0 {
           /* Optional TI TLV320AIC23b audio codec */
           opt_audio: audio@1a {
                   compatible = "ti,tlv320aic23";
                   reg = <0x1a>;
                   status = "disabled";
           };
   };
   
   /* Optional RTL8111D GbE NIC on PCIe1 */
   &pcie { status = "disabled"; };
   
   &pcie1 {
           pinctrl-0 = <&pmx_pcie1_clkreq>;
           pinctrl-names = "default";
           status = "disabled";
   };
   
   &pinctrl {
           pmx_uart2: pmx-uart2 {
                   marvell,pins = "mpp14", "mpp15";
                   marvell,function = "uart2";
           };
   };
   
   /* Optional Broadcom BCM4319 802.11b/g/n WiFi module */
   &sdio1 {
           non-removable;
           vmmc-supply = <&wifi_power>;
           reset-gpio = <&gpio2 6 GPIO_ACTIVE_LOW>;
           status = "disabled";
   };
   
   &spi0 {
           status = "okay";
   
           /* 1M Flash Winbond W25Q80BL */
           flash@0 {
                   compatible = "winbond,w25q80";
                   spi-max-frequency = <80000000>;
                   reg = <0>;
           };
   };
   
   &spi1 {
           pinctrl-0 = <&pmx_spi1_20_23>;
           pinctrl-names = "default";
           status = "disabled";
   
           /* Optional TI TSC2046 touchscreen controller */
           opt_touch: touchscreen@0 {
                   compatible = "ti,tsc2046";
                   spi-max-frequency = <2500000>;
                   reg = <0>;
                   pinctrl-0 = <&pmx_gpio_13>;
                   pinctrl-names = "default";
                   interrupts-extended = <&gpio0 13 IRQ_TYPE_EDGE_FALLING>;
           };
   };
   
   &uart2 {
           pinctrl-0 = <&pmx_uart2>;
           pinctrl-names = "default";
   };

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