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Diffstat (limited to 'arch/arm/boot/dts/armada-388-clearfog.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/armada-388-clearfog.dtsi | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/armada-388-clearfog.dtsi b/arch/arm/boot/dts/armada-388-clearfog.dtsi new file mode 100644 index 000000000000..0f5938bede53 --- /dev/null +++ b/arch/arm/boot/dts/armada-388-clearfog.dtsi @@ -0,0 +1,307 @@ +/* + * Device Tree include file for SolidRun Clearfog 88F6828 based boards + * + * Copyright (C) 2015 Russell King + * + * This board is in development; the contents of this file work with + * the A1 rev 2.0 of the board, which does not represent final + * production board. Things will change, don't expect this file to + * remain compatible info the future. + * + * 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 + * version 2 as published by the Free Software Foundation. + * + * 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 , 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. + */ + +#include "armada-388.dtsi" +#include "armada-38x-solidrun-microsom.dtsi" + +/ { + aliases { + /* So that mvebu u-boot can update the MAC addresses */ + ethernet1 = ð0; + ethernet2 = ð1; + ethernet3 = ð2; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + reg_3p3v: regulator-3p3v { + compatible = "regulator-fixed"; + regulator-name = "3P3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + soc { + internal-regs { + sata@a8000 { + /* pinctrl? */ + status = "okay"; + }; + + sata@e0000 { + /* pinctrl? */ + status = "okay"; + }; + + sdhci@d8000 { + bus-width = <4>; + cd-gpios = <&gpio0 20 GPIO_ACTIVE_LOW>; + no-1-8-v; + pinctrl-0 = <µsom_sdhci_pins + &clearfog_sdhci_cd_pins>; + pinctrl-names = "default"; + status = "okay"; + vmmc = <®_3p3v>; + wp-inverted; + }; + + usb@58000 { + /* CON3, nearest power. */ + status = "okay"; + }; + + usb3@f8000 { + /* CON7 */ + status = "okay"; + }; + }; + + pcie-controller { + status = "okay"; + /* + * The two PCIe units are accessible through + * the mini-PCIe connectors on the board. + */ + pcie@2,0 { + /* Port 1, Lane 0. CON3, nearest power. */ + reset-gpios = <&expander0 1 GPIO_ACTIVE_LOW>; + status = "okay"; + }; + }; + }; +}; + +ð1 { + /* ethernet@30000 */ + bm,pool-long = <2>; + bm,pool-short = <1>; + buffer-manager = <&bm>; + phy-mode = "sgmii"; + status = "okay"; +}; + +ð2 { + /* ethernet@34000 */ + bm,pool-long = <3>; + bm,pool-short = <1>; + buffer-manager = <&bm>; + phy-mode = "sgmii"; + status = "okay"; + + fixed-link { + speed = <1000>; + full-duplex; + }; +}; + +&i2c0 { + /* Is there anything on this? */ + clock-frequency = <100000>; + pinctrl-0 = <&i2c0_pins>; + pinctrl-names = "default"; + status = "okay"; + + /* + * PCA9655 GPIO expander, up to 1MHz clock. + * 0-CON3 CLKREQ# + * 1-CON3 PERST# + * 2- + * 3-CON3 W_DISABLE + * 4- + * 5-USB3 overcurrent + * 6-USB3 power + * 7- + * 8-JP4 P1 + * 9-JP4 P4 + * 10-JP4 P5 + * 11-m.2 DEVSLP + * 12-SFP_LOS + * 13-SFP_TX_FAULT + * 14-SFP_TX_DISABLE + * 15-SFP_MOD_DEF0 + */ + expander0: gpio-expander@20 { + /* + * This is how it should be: + * compatible = "onnn,pca9655", "nxp,pca9555"; + * but you can't do this because of the way I2C works. + */ + compatible = "nxp,pca9555"; + gpio-controller; + #gpio-cells = <2>; + reg = <0x20>; + + pcie1_0_clkreq { + gpio-hog; + gpios = <0 GPIO_ACTIVE_LOW>; + input; + line-name = "pcie1.0-clkreq"; + }; + pcie1_0_w_disable { + gpio-hog; + gpios = <3 GPIO_ACTIVE_LOW>; + output-low; + line-name = "pcie1.0-w-disable"; + }; + usb3_ilimit { + gpio-hog; + gpios = <5 GPIO_ACTIVE_LOW>; + input; + line-name = "usb3-current-limit"; + }; + usb3_power { + gpio-hog; + gpios = <6 GPIO_ACTIVE_HIGH>; + output-high; + line-name = "usb3-power"; + }; + m2_devslp { + gpio-hog; + gpios = <11 GPIO_ACTIVE_HIGH>; + output-low; + line-name = "m.2 devslp"; + }; + sfp_los { + /* SFP loss of signal */ + gpio-hog; + gpios = <12 GPIO_ACTIVE_HIGH>; + input; + line-name = "sfp-los"; + }; + sfp_tx_fault { + /* SFP laser fault */ + gpio-hog; + gpios = <13 GPIO_ACTIVE_HIGH>; + input; + line-name = "sfp-tx-fault"; + }; + sfp_tx_disable { + /* SFP transmit disable */ + gpio-hog; + gpios = <14 GPIO_ACTIVE_HIGH>; + output-low; + line-name = "sfp-tx-disable"; + }; + sfp_mod_def0 { + /* SFP module present */ + gpio-hog; + gpios = <15 GPIO_ACTIVE_LOW>; + input; + line-name = "sfp-mod-def0"; + }; + }; + + /* The MCP3021 is 100kHz clock only */ + mikrobus_adc: mcp3021@4c { + compatible = "microchip,mcp3021"; + reg = <0x4c>; + }; + + /* Also something at 0x64 */ +}; + +&i2c1 { + /* + * Routed to SFP, mikrobus, and PCIe. + * SFP limits this to 100kHz, and requires an AT24C01A/02/04 with + * address pins tied low, which takes addresses 0x50 and 0x51. + * Mikrobus doesn't specify beyond an I2C bus being present. + * PCIe uses ARP to assign addresses, or 0x63-0x64. + */ + clock-frequency = <100000>; + pinctrl-0 = <&clearfog_i2c1_pins>; + pinctrl-names = "default"; + status = "okay"; +}; + +&pinctrl { + clearfog_i2c1_pins: i2c1-pins { + /* SFP, PCIe, mSATA, mikrobus */ + marvell,pins = "mpp26", "mpp27"; + marvell,function = "i2c1"; + }; + clearfog_sdhci_cd_pins: clearfog-sdhci-cd-pins { + marvell,pins = "mpp20"; + marvell,function = "gpio"; + }; + mikro_pins: mikro-pins { + /* int: mpp22 rst: mpp29 */ + marvell,pins = "mpp22", "mpp29"; + marvell,function = "gpio"; + }; + mikro_spi_pins: mikro-spi-pins { + marvell,pins = "mpp43"; + marvell,function = "spi1"; + }; + mikro_uart_pins: mikro-uart-pins { + marvell,pins = "mpp24", "mpp25"; + marvell,function = "ua1"; + }; +}; + +&spi1 { + /* + * Add SPI CS pins for clearfog: + * CS0: W25Q32 (not populated on uSOM) + * CS1: PIC microcontroller (Pro models) + * CS2: mikrobus + */ + pinctrl-0 = <&spi1_pins &mikro_spi_pins>; + pinctrl-names = "default"; + status = "okay"; +}; + +&uart1 { + /* mikrobus uart */ + pinctrl-0 = <&mikro_uart_pins>; + pinctrl-names = "default"; + status = "okay"; +}; |