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