| /* |
| * Device Tree file for SolidRun Clearfog revision A1 rev 2.0 (88F6828) |
| * |
| * 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. |
| */ |
| |
| /dts-v1/; |
| #include <dt-bindings/input/input.h> |
| #include <dt-bindings/gpio/gpio.h> |
| #include "armada-388.dtsi" |
| #include "armada-38x-solidrun-microsom.dtsi" |
| |
| / { |
| model = "SolidRun Clearfog A1"; |
| compatible = "solidrun,clearfog-a1", "marvell,armada388", |
| "marvell,armada385", "marvell,armada380"; |
| |
| aliases { |
| /* So that mvebu u-boot can update the MAC addresses */ |
| ethernet1 = ð0; |
| ethernet2 = ð1; |
| ethernet3 = ð2; |
| spi1 = &spi1; |
| i2c0 = &i2c0; |
| i2c1 = &i2c1; |
| }; |
| |
| 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 { |
| rtc@a3800 { |
| /* |
| * If the rtc doesn't work, run "date reset" |
| * twice in u-boot. |
| */ |
| status = "okay"; |
| }; |
| |
| 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; |
| }; |
| |
| serial@12100 { |
| /* mikrobus uart */ |
| pinctrl-0 = <&mikro_uart_pins>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| }; |
| |
| usb3@f8000 { |
| /* CON7, USB-A port on back of device */ |
| 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. CONN3, nearest power. */ |
| reset-gpios = <&expander0 1 GPIO_ACTIVE_LOW>; |
| status = "okay"; |
| }; |
| pcie@3,0 { |
| /* Port 2, Lane 0. CONN2, nearest CPU. */ |
| reset-gpios = <&expander0 2 GPIO_ACTIVE_LOW>; |
| status = "okay"; |
| }; |
| }; |
| }; |
| |
| gpio-keys { |
| compatible = "gpio-keys"; |
| pinctrl-0 = <&rear_button_pins>; |
| pinctrl-names = "default"; |
| |
| button_0 { |
| /* The rear SW3 button */ |
| label = "Rear Button"; |
| gpios = <&gpio1 2 GPIO_ACTIVE_LOW>; |
| linux,can-disable; |
| linux,code = <BTN_0>; |
| }; |
| }; |
| }; |
| |
| &w25q32 { |
| status = "okay"; |
| }; |
| |
| ð1 { |
| managed = "in-band-status"; |
| phy-mode = "sgmii"; |
| status = "okay"; |
| }; |
| |
| ð2 { |
| phy-mode = "sgmii"; |
| status = "okay"; |
| }; |
| |
| &i2c0 { |
| clock-frequency = <400000>; |
| pinctrl-0 = <&i2c0_pins>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| |
| /* |
| * PCA9655 GPIO expander, up to 1MHz clock. |
| * 0-CON3 CLKREQ# |
| * 1-CON3 PERST# |
| * 2-CON2 PERST# |
| * 3-CON3 W_DISABLE |
| * 4-CON2 CLKREQ# |
| * 5-USB3 overcurrent |
| * 6-USB3 power |
| * 7-CON2 W_DISABLE |
| * 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"; |
| }; |
| pcie2_0_clkreq { |
| gpio-hog; |
| gpios = <4 GPIO_ACTIVE_LOW>; |
| input; |
| line-name = "pcie2.0-clkreq"; |
| }; |
| pcie2_0_w_disable { |
| gpio-hog; |
| gpios = <7 GPIO_ACTIVE_LOW>; |
| output-low; |
| line-name = "pcie2.0-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"; |
| }; |
| }; |
| |
| mikrobus_adc: mcp3021@4c { |
| compatible = "microchip,mcp3021"; |
| reg = <0x4c>; |
| }; |
| }; |
| |
| &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"; |
| }; |
| clearfog_spi1_cs_pins: spi1-cs-pins { |
| marvell,pins = "mpp55"; |
| marvell,function = "spi1"; |
| }; |
| 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"; |
| }; |
| rear_button_pins: rear-button-pins { |
| marvell,pins = "mpp34"; |
| marvell,function = "gpio"; |
| }; |
| }; |
| |
| &spi1 { |
| /* |
| * Add SPI CS pins for clearfog: |
| * CS0: W25Q32 |
| * CS1: |
| * CS2: mikrobus |
| */ |
| pinctrl-0 = <&spi1_pins &mikro_spi_pins>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| }; |
| |
| /* |
| +#define A38x_CUSTOMER_BOARD_1_MPP16_23 0x00400011 |
| MPP18: gpio ? (pca9655 int?) |
| MPP19: gpio ? (clkreq?) |
| MPP20: gpio ? (sd0 detect) |
| MPP21: sd0:cmd x sd0 |
| MPP22: gpio x mikro int |
| MPP23: gpio x switch irq |
| +#define A38x_CUSTOMER_BOARD_1_MPP24_31 0x22043333 |
| MPP24: ua1:rxd x mikro rx |
| MPP25: ua1:txd x mikro tx |
| MPP26: i2c1:sck x mikro sck |
| MPP27: i2c1:sda x mikro sda |
| MPP28: sd0:clk x sd0 |
| MPP29: gpio x mikro rst |
| MPP30: ge1:txd2 ? (config) |
| MPP31: ge1:txd3 ? (config) |
| +#define A38x_CUSTOMER_BOARD_1_MPP32_39 0x44400002 |
| MPP32: ge1:txctl ? (unused) |
| MPP33: gpio ? (pic_com0) |
| MPP34: gpio x rear button (pic_com1) |
| MPP35: gpio ? (pic_com2) |
| MPP36: gpio ? (unused) |
| MPP37: sd0:d3 x sd0 |
| MPP38: sd0:d0 x sd0 |
| MPP39: sd0:d1 x sd0 |
| +#define A38x_CUSTOMER_BOARD_1_MPP40_47 0x41144004 |
| MPP40: sd0:d2 x sd0 |
| MPP41: gpio x switch reset |
| MPP42: gpio ? sw1-1 |
| MPP43: spi1:cs2 x mikro cs |
| MPP44: sata3:prsnt ? (unused) |
| MPP45: ref:clk_out0 ? |
| MPP46: ref:clk_out1 x switch clk |
| MPP47: 4 ? (unused) |
| +#define A38x_CUSTOMER_BOARD_1_MPP48_55 0x40333333 |
| MPP48: tdm:pclk |
| MPP49: tdm:fsync |
| MPP50: tdm:drx |
| MPP51: tdm:dtx |
| MPP52: tdm:int |
| MPP53: tdm:rst |
| MPP54: gpio ? (pwm) |
| MPP55: spi1:cs1 x slic |
| +#define A38x_CUSTOMER_BOARD_1_MPP56_63 0x00004444 |
| MPP56: spi1:mosi x mikro mosi |
| MPP57: spi1:sck x mikro sck |
| MPP58: spi1:miso x mikro miso |
| MPP59: spi1:cs0 x w25q32 |
| */ |