| /* |
| * 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-supply = <®_3p3v>; |
| wp-inverted; |
| }; |
| |
| usb@58000 { |
| /* CON3, nearest power. */ |
| status = "okay"; |
| }; |
| |
| usb3@f8000 { |
| /* CON7 */ |
| status = "okay"; |
| }; |
| }; |
| |
| pcie { |
| 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"; |
| }; |