diff options
Diffstat (limited to 'arch/arm/boot/dts/dove-sbc-a510.dts')
| -rw-r--r-- | arch/arm/boot/dts/dove-sbc-a510.dts | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/dove-sbc-a510.dts b/arch/arm/boot/dts/dove-sbc-a510.dts new file mode 100644 index 000000000..df021f9b0 --- /dev/null +++ b/arch/arm/boot/dts/dove-sbc-a510.dts @@ -0,0 +1,183 @@ +/* + * Device Tree file for Compulab SBC-A510 Single Board Computer + * + * 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. + */ + +/* + * SBC-A510 comprises a PCA9555 I2C GPIO expander its GPIO lines connected to + * + * 0.0 USB0 VBUS_EN (active high) + * 0.1 USB0 VBUS_GOOD + * 0.2 DVI transmitter TI TFP410 MSEN + * 0.3 DVI transmitter TI TFP410 PD# (active low power down) + * 0.4 LVDS transmitter DS90C365 PD# (active low power down) + * 0.5 LCD nRST (active low reset) + * 0.6 PCIe0 nRST (active low reset) + * 0.7 mini-PCIe slot W_DISABLE# + * + * 1.0 MMC WP + * 1.1 Camera Input FPC FLASH_STB and P21.5 + * 1.2 Camera Input FPC WE and P21.22 + * 1.3 MMC VCC_EN (active high) and P21.7 + * 1.4 Camera Input FPC AFTR_RST and P21.17 + * 1.5 Camera Input FPC OE and P21.19 + * 1.6 Camera Input FPC SNPSHT and P21.6 + * 1.7 Camera Input FPC SHTR and P21.10 + */ + +/dts-v1/; + +#include "dove-cm-a510.dtsi" + +/ { + model = "Compulab SBC-A510"; + compatible = "compulab,sbc-a510", "compulab,cm-a510", "marvell,dove"; + + chosen { + stdout-path = &uart0; + }; + + regulators { + usb0_power: regulator@2 { + compatible = "regulator-fixed"; + regulator-name = "USB Power"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio_ext 0 GPIO_ACTIVE_HIGH>; + }; + + mmc_power: regulator@3 { + compatible = "regulator-fixed"; + regulator-name = "MMC Power"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio_ext 13 GPIO_ACTIVE_HIGH>; + }; + }; +}; + +/* Ethernet0 depends on CM-A510 option E1 */ +&mdio { status = "disabled"; }; +ð { status = "disabled"; }; +ðphy { status = "disabled"; }; + +/* + * USB port 0 can be powered and monitored by I2C GPIO expander: + * VBUS_ENABLE on GPIO0, VBUS_GOOD on GPIO1 + */ +&ehci0 { + status = "okay"; + vbus-supply = <&usb0_power>; +}; + +/* USB port 1 (and ports 2, 3 if CM-A510 has U4 option) */ +&ehci1 { status = "okay"; }; + +/* + * I2C bus layout: + * i2c0: + * - Audio Codec, 0x1a (option from CM-A510) + * - DVI transmitter TI TFP410, 0x39 + * - HDMI/DVI DDC channel + * i2c1: + * - GPIO expander, NXP PCA9555, 0x20 + * - VGA DDC channel + */ +&i2c { + pinctrl-0 = <&pmx_i2c1>; + pinctrl-names = "default"; +}; + +&i2c0 { + /* TI TFP410 DVI transmitter */ + dvi: video@39 { + compatible = "ti,tfp410"; + reg = <0x39>; + powerdown-gpio = <&gpio_ext 3 GPIO_ACTIVE_LOW>; + }; +}; + +&i2c1 { + status = "okay"; + + /* NXP PCA9555 GPIO expander */ + gpio_ext: gpio@20 { + compatible = "nxp,pca9555"; + reg = <0x20>; + gpio-controller; + #gpio-cells = <2>; + }; +}; + +&pcie { status = "okay"; }; + +/* + * PCIe0 can be configured by Jumper E1 to be either connected to + * a mini-PCIe slot or a Pericom PI7C9X111 PCIe-to-PCI bridge. + */ +&pcie0 { + status = "okay"; + pinctrl-0 = <&pmx_pcie0_clkreq>; + pinctrl-names = "default"; + reset-gpios = <&gpio_ext 6 GPIO_ACTIVE_LOW>; +}; + +/* Ethernet1 depends on CM-A510 option E2 */ +&pcie1 { status = "disabled"; }; + +/* SATA connector */ +&sata0 { status = "okay"; }; + +/* + * SDIO0 is connected to a MMC/SD/SDIO socket, I2C GPIO expander has + * VCC_MMC_ENABLE on GPIO13, MMC_WP on GPIO10 + */ +&sdio0 { + vmmc-supply = <&mmc_power>; + wp-gpios = <&gpio_ext 10 GPIO_ACTIVE_LOW>; + status = "okay"; +}; + +/* UART0 on RS232 mini-connector */ +&uart0 { status = "okay"; }; +/* UART2 on pin headers */ +&uart2 { status = "okay"; }; |