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|
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
* 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.
*/
#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 {
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";
};
};
};
sfp: sfp {
compatible = "sff,sfp";
i2c-bus = <&i2c1>;
los-gpio = <&expander0 12 GPIO_ACTIVE_HIGH>;
mod-def0-gpio = <&expander0 15 GPIO_ACTIVE_LOW>;
tx-disable-gpio = <&expander0 14 GPIO_ACTIVE_HIGH>;
tx-fault-gpio = <&expander0 13 GPIO_ACTIVE_HIGH>;
maximum-power-milliwatt = <2000>;
};
};
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>;
managed = "in-band-status";
phy-mode = "sgmii";
sfp = <&sfp>;
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-
* 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";
};
};
/* The MCP3021 supports standard and fast modes */
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";
};
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";
};
|
