forked from Minki/linux
ed51e7902c
Move the uart nodes over to use the label form to reference the serial devices, rather than replicating the device node path. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
308 lines
7.1 KiB
Plaintext
308 lines
7.1 KiB
Plaintext
/*
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* Device Tree include file for SolidRun Clearfog 88F6828 based boards
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*
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* Copyright (C) 2015 Russell King
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*
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* This board is in development; the contents of this file work with
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* the A1 rev 2.0 of the board, which does not represent final
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* production board. Things will change, don't expect this file to
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* remain compatible info the future.
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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
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* version 2 as published by the Free Software Foundation.
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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 , 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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#include "armada-388.dtsi"
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#include "armada-38x-solidrun-microsom.dtsi"
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/ {
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aliases {
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/* So that mvebu u-boot can update the MAC addresses */
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ethernet1 = ð0;
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ethernet2 = ð1;
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ethernet3 = ð2;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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reg_3p3v: regulator-3p3v {
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compatible = "regulator-fixed";
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regulator-name = "3P3V";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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soc {
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internal-regs {
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sata@a8000 {
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/* pinctrl? */
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status = "okay";
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};
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sata@e0000 {
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/* pinctrl? */
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status = "okay";
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};
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sdhci@d8000 {
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bus-width = <4>;
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cd-gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
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no-1-8-v;
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pinctrl-0 = <µsom_sdhci_pins
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&clearfog_sdhci_cd_pins>;
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pinctrl-names = "default";
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status = "okay";
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vmmc = <®_3p3v>;
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wp-inverted;
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};
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usb@58000 {
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/* CON3, nearest power. */
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status = "okay";
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};
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usb3@f8000 {
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/* CON7 */
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status = "okay";
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};
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};
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pcie-controller {
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status = "okay";
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/*
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* The two PCIe units are accessible through
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* the mini-PCIe connectors on the board.
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*/
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pcie@2,0 {
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/* Port 1, Lane 0. CON3, nearest power. */
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reset-gpios = <&expander0 1 GPIO_ACTIVE_LOW>;
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status = "okay";
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};
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};
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};
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};
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ð1 {
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/* ethernet@30000 */
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bm,pool-long = <2>;
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bm,pool-short = <1>;
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buffer-manager = <&bm>;
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phy-mode = "sgmii";
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status = "okay";
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};
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ð2 {
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/* ethernet@34000 */
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bm,pool-long = <3>;
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bm,pool-short = <1>;
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buffer-manager = <&bm>;
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phy-mode = "sgmii";
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status = "okay";
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fixed-link {
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speed = <1000>;
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full-duplex;
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};
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};
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&i2c0 {
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/* Is there anything on this? */
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clock-frequency = <100000>;
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pinctrl-0 = <&i2c0_pins>;
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pinctrl-names = "default";
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status = "okay";
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/*
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* PCA9655 GPIO expander, up to 1MHz clock.
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* 0-CON3 CLKREQ#
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* 1-CON3 PERST#
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* 2-
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* 3-CON3 W_DISABLE
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* 4-
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* 5-USB3 overcurrent
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* 6-USB3 power
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* 7-
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* 8-JP4 P1
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* 9-JP4 P4
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* 10-JP4 P5
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* 11-m.2 DEVSLP
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* 12-SFP_LOS
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* 13-SFP_TX_FAULT
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* 14-SFP_TX_DISABLE
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* 15-SFP_MOD_DEF0
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*/
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expander0: gpio-expander@20 {
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/*
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* This is how it should be:
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* compatible = "onnn,pca9655", "nxp,pca9555";
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* but you can't do this because of the way I2C works.
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*/
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compatible = "nxp,pca9555";
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gpio-controller;
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#gpio-cells = <2>;
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reg = <0x20>;
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pcie1_0_clkreq {
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gpio-hog;
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gpios = <0 GPIO_ACTIVE_LOW>;
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input;
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line-name = "pcie1.0-clkreq";
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};
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pcie1_0_w_disable {
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gpio-hog;
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gpios = <3 GPIO_ACTIVE_LOW>;
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output-low;
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line-name = "pcie1.0-w-disable";
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};
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usb3_ilimit {
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gpio-hog;
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gpios = <5 GPIO_ACTIVE_LOW>;
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input;
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line-name = "usb3-current-limit";
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};
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usb3_power {
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gpio-hog;
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gpios = <6 GPIO_ACTIVE_HIGH>;
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output-high;
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line-name = "usb3-power";
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};
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m2_devslp {
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gpio-hog;
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gpios = <11 GPIO_ACTIVE_HIGH>;
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output-low;
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line-name = "m.2 devslp";
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};
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sfp_los {
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/* SFP loss of signal */
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gpio-hog;
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gpios = <12 GPIO_ACTIVE_HIGH>;
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input;
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line-name = "sfp-los";
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};
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sfp_tx_fault {
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/* SFP laser fault */
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gpio-hog;
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gpios = <13 GPIO_ACTIVE_HIGH>;
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input;
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line-name = "sfp-tx-fault";
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};
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sfp_tx_disable {
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/* SFP transmit disable */
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gpio-hog;
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gpios = <14 GPIO_ACTIVE_HIGH>;
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output-low;
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line-name = "sfp-tx-disable";
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};
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sfp_mod_def0 {
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/* SFP module present */
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gpio-hog;
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gpios = <15 GPIO_ACTIVE_LOW>;
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input;
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line-name = "sfp-mod-def0";
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};
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};
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/* The MCP3021 is 100kHz clock only */
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mikrobus_adc: mcp3021@4c {
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compatible = "microchip,mcp3021";
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reg = <0x4c>;
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};
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/* Also something at 0x64 */
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};
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&i2c1 {
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/*
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* Routed to SFP, mikrobus, and PCIe.
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* SFP limits this to 100kHz, and requires an AT24C01A/02/04 with
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* address pins tied low, which takes addresses 0x50 and 0x51.
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* Mikrobus doesn't specify beyond an I2C bus being present.
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* PCIe uses ARP to assign addresses, or 0x63-0x64.
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*/
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clock-frequency = <100000>;
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pinctrl-0 = <&clearfog_i2c1_pins>;
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pinctrl-names = "default";
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status = "okay";
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};
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&pinctrl {
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clearfog_i2c1_pins: i2c1-pins {
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/* SFP, PCIe, mSATA, mikrobus */
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marvell,pins = "mpp26", "mpp27";
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marvell,function = "i2c1";
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};
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clearfog_sdhci_cd_pins: clearfog-sdhci-cd-pins {
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marvell,pins = "mpp20";
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marvell,function = "gpio";
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};
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mikro_pins: mikro-pins {
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/* int: mpp22 rst: mpp29 */
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marvell,pins = "mpp22", "mpp29";
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marvell,function = "gpio";
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};
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mikro_spi_pins: mikro-spi-pins {
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marvell,pins = "mpp43";
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marvell,function = "spi1";
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};
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mikro_uart_pins: mikro-uart-pins {
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marvell,pins = "mpp24", "mpp25";
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marvell,function = "ua1";
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};
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};
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&spi1 {
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/*
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* Add SPI CS pins for clearfog:
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* CS0: W25Q32 (not populated on uSOM)
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* CS1: PIC microcontroller (Pro models)
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* CS2: mikrobus
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*/
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pinctrl-0 = <&spi1_pins &mikro_spi_pins>;
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pinctrl-names = "default";
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status = "okay";
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};
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&uart1 {
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/* mikrobus uart */
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pinctrl-0 = <&mikro_uart_pins>;
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pinctrl-names = "default";
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status = "okay";
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};
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