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/*
* 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";
led-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 */
&mdio {
ethphy: ethernet-phy@3 {
reg = <3>;
status = "disabled";
};
};
ð {
ethernet-port@0 {
phy-handle = <ðphy>;
};
};
&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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