// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
* Device Tree file for Clearfog GTR machines rev 1.0 (88F6825)
*
* Rabeeh Khoury <[email protected]>, based on Russell King clearfog work
*/
/*
SERDES mapping -
0. SATA1 on CON18, or optionally mini PCIe CON3 - PCIe0
1. 6141 switch (2.5Gbps capable)
2. SATA0 on CON17, or optionally mini PCIe CON4 - PCIe1
3. USB 3.0 Host
4. mini PCIe CON2 - PCIe2
5. SFP connector, or optionally SGMII Ethernet 1512 PHY
USB 2.0 mapping -
0. USB 2.0 - 0 USB pins header CON12
1. USB 2.0 - 1 mini PCIe CON2
2. USB 2.0 - 2 to USB 3.0 connector (used with SERDES #3)
Pin mapping -
0,1 - console UART
2,3 - I2C0 - connected to I2C EEPROM, two temperature sensors,
front panel and PSE controller
4,5 - MDC/MDIO
6..17 - RGMII
18 - Topaz switch reset (active low)
19 - 1512 phy reset
20 - 1512 phy reset (eth2, optional)
21,28,37,38,39,40 - SD0
22 - USB 3.0 current limiter enable (active high)
24 - SFP TX fault (input active high)
25 - SFP present (input active low)
26,27 - I2C1 - connected to SFP
29 - Fan PWM
30 - CON4 mini PCIe wifi disable
31 - CON3 mini PCIe wifi disable
32 - Fuse programming power toggle (1.8v)
33 - CON4 mini PCIe reset
34 - CON2 mini PCIe wifi disable
35 - CON3 mini PCIe reset
36 - Rear button (GPIO active low)
41 - CON1 front panel connector
42 - Front LED1, or front panel CON1
43 - Micron L-PBGA 24 ball SPI (1Gb) CS, or TPM SPI CS
44 - CON2 mini PCIe reset
45 - TPM PIRQ signal, or front panel CON1
46 - SFP TX disable
47 - Control isolation of boot sensitive SAR signals
48 - PSE reset
49 - PSE OSS signal
50 - PSE interrupt
52 - Front LED2, or front panel
53 - Front button
54 - SFP LOS (input active high)
55 - Fan sense
56(mosi),57(clk),58(miso) - SPI interface - 32Mb SPI, 1Gb SPI and TPM
59 - SPI 32Mb W25Q32BVZPIG CS0 chip select (bootable)
*/
/dts-v1/;
#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/leds/common.h>
#include "armada-385.dtsi"
/ {
compatible = "marvell,armada385", "marvell,armada380";
aliases {
/* So that mvebu u-boot can update the MAC addresses */
ethernet1 = ð0;
ethernet2 = ð1;
ethernet3 = ð2;
i2c0 = &i2c0;
i2c1 = &i2c1;
};
chosen {
stdout-path = "serial0:115200n8";
};
memory {
device_type = "memory";
reg = <0x00000000 0x10000000>; /* 256 MB */
};
reg_3p3v: regulator-3p3v {
compatible = "regulator-fixed";
regulator-name = "3P3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
reg_5p0v: regulator-5p0v {
compatible = "regulator-fixed";
regulator-name = "5P0V";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
};
v_usb3_con: regulator-v-usb3-con {
compatible = "regulator-fixed";
gpio = <&gpio0 22 GPIO_ACTIVE_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&cf_gtr_usb3_con_vbus>;
regulator-max-microvolt = <5000000>;
regulator-min-microvolt = <5000000>;
regulator-name = "v_usb3_con";
vin-supply = <®_5p0v>;
regulator-boot-on;
regulator-always-on;
};
soc {
ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000
MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000
MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000
MBUS_ID(0x0c, 0x04) 0 0xf1200000 0x100000>;
internal-regs {
rtc@a3800 {
status = "okay";
};
i2c@11000 { /* ROM, temp sensor and front panel */
pinctrl-0 = <&i2c0_pins>;
pinctrl-names = "default";
status = "okay";
};
i2c@11100 { /* SFP (CON5/CON6) */
pinctrl-0 = <&cf_gtr_i2c1_pins>;
pinctrl-names = "default";
status = "okay";
};
pinctrl@18000 {
cf_gtr_fan_pwm: cf-gtr-fan-pwm {
marvell,pins = "mpp23";
marvell,function = "gpio";
};
cf_gtr_front_button_pins: cf-gtr-front-button-pins {
marvell,pins = "mpp53";
marvell,function = "gpio";
};
cf_gtr_i2c1_pins: i2c1-pins {
/* SFP */
marvell,pins = "mpp26", "mpp27";
marvell,function = "i2c1";
};
cf_gtr_isolation_pins: cf-gtr-isolation-pins {
marvell,pins = "mpp47";
marvell,function = "gpio";
};
cf_gtr_led_pins: led-pins {
marvell,pins = "mpp42", "mpp52";
marvell,function = "gpio";
};
cf_gtr_lte_disable_pins: lte-disable-pins {
marvell,pins = "mpp34";
marvell,function = "gpio";
};
cf_gtr_pci_pins: pci-pins {
// pci reset
marvell,pins = "mpp33", "mpp35", "mpp44";
marvell,function = "gpio";
};
cf_gtr_poe_reset_pins: cf-gtr-poe-reset-pins {
marvell,pins = "mpp48";
marvell,function = "gpio";
};
cf_gtr_rear_button_pins: cf-gtr-rear-button-pins {
marvell,pins = "mpp36";
marvell,function = "gpio";
};
cf_gtr_sdhci_pins: cf-gtr-sdhci-pins {
marvell,pins = "mpp21", "mpp28",
"mpp37", "mpp38",
"mpp39", "mpp40";
marvell,function = "sd0";
};
cf_gtr_sfp0_pins: sfp0-pins {
/* sfp modabs, txdisable */
marvell,pins = "mpp25", "mpp46";
marvell,function = "gpio";
};
cf_gtr_sfp1_pins: sfp1-pins {
/* sfp modabs, txdisable */
marvell,pins = "mpp24", "mpp54";
marvell,function = "gpio";
};
cf_gtr_spi1_cs_pins: spi1-cs-pins {
marvell,pins = "mpp59";
marvell,function = "spi1";
};
cf_gtr_switch_reset_pins: cf-gtr-switch-reset-pins {
marvell,pins = "mpp18";
marvell,function = "gpio";
};
cf_gtr_usb3_con_vbus: cf-gtr-usb3-con-vbus {
marvell,pins = "mpp22";
marvell,function = "gpio";
};
cf_gtr_wifi_disable_pins: wifi-disable-pins {
marvell,pins = "mpp30", "mpp31";
marvell,function = "gpio";
};
};
sdhci@d8000 {
bus-width = <4>;
no-1-8-v;
non-removable;
pinctrl-0 = <&cf_gtr_sdhci_pins>;
pinctrl-names = "default";
status = "okay";
vmmc = <®_3p3v>;
wp-inverted;
};
usb@58000 {
status = "okay";
};
usb3@f0000 {
status = "okay";
};
usb3@f8000 {
vbus-supply = <&v_usb3_con>;
status = "okay";
};
};
pcie {
pinctrl-0 = <&cf_gtr_pci_pins>;
pinctrl-names = "default";
status = "okay";
/*
* The PCIe units are accessible through
* the mini-PCIe connectors on the board.
*/
/* CON3 - serdes 0 */
pcie@1,0 {
reset-gpios = <&gpio1 3 GPIO_ACTIVE_LOW>;
status = "okay";
};
/* CON4 - serdes 2 */
pcie@2,0 {
reset-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
status = "okay";
};
/* CON2 - serdes 4 */
pcie@3,0 {
reset-gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
status = "okay";
};
};
};
/* CON5 */
sfp0: sfp-0 {
compatible = "sff,sfp";
pinctrl-0 = <&cf_gtr_sfp0_pins>;
pinctrl-names = "default";
i2c-bus = <&i2c1>;
mod-def0-gpio = <&gpio0 25 GPIO_ACTIVE_LOW>;
tx-disable-gpio = <&gpio1 14 GPIO_ACTIVE_HIGH>;
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-0 = <&cf_gtr_rear_button_pins &cf_gtr_front_button_pins>;
pinctrl-names = "default";
button-0 {
label = "Rear Button";
gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
linux,can-disable;
linux,code = <BTN_0>;
};
button-1 {
label = "Front Button";
gpios = <&gpio1 21 GPIO_ACTIVE_LOW>;
linux,can-disable;
linux,code = <BTN_1>;
};
};
gpio-leds {
compatible = "gpio-leds";
pinctrl-0 = <&cf_gtr_led_pins>;
pinctrl-names = "default";
led1 {
function = LED_FUNCTION_CPU;
color = <LED_COLOR_ID_GREEN>;
gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
};
led2 {
function = LED_FUNCTION_HEARTBEAT;
color = <LED_COLOR_ID_GREEN>;
gpios = <&gpio1 20 GPIO_ACTIVE_HIGH>;
};
};
};
&bm {
status = "okay";
};
&bm_bppi {
status = "okay";
};
ð0 {
/* ethernet@70000 */
pinctrl-0 = <&ge0_rgmii_pins>;
pinctrl-names = "default";
phy = <&phy_dedicated>;
phy-mode = "rgmii-id";
buffer-manager = <&bm>;
bm,pool-long = <0>;
bm,pool-short = <1>;
status = "okay";
};
ð1 {
/* ethernet@30000 */
bm,pool-long = <2>;
bm,pool-short = <1>;
buffer-manager = <&bm>;
phys = <&comphy1 1>;
phy-mode = "2500base-x";
status = "okay";
fixed-link {
speed = <2500>;
full-duplex;
};
};
ð2 {
/* ethernet@34000 */
bm,pool-long = <3>;
bm,pool-short = <1>;
buffer-manager = <&bm>;
managed = "in-band-status";
phys = <&comphy5 1>;
phy-mode = "sgmii";
sfp = <&sfp0>;
status = "okay";
};
&mdio {
pinctrl-names = "default";
pinctrl-0 = <&mdio_pins>;
status = "okay";
phy_dedicated: ethernet-phy@0 {
/*
* Annoyingly, the marvell phy driver configures the LED
* register, rather than preserving reset-loaded setting.
* We undo that rubbish here.
*/
marvell,reg-init = <3 16 0 0x1017>;
reg = <0>;
};
};
&uart0 {
pinctrl-0 = <&uart0_pins>;
pinctrl-names = "default";
status = "okay";
};
&spi1 {
/*
* CS0: W25Q32 flash
*/
pinctrl-0 = <&spi1_pins &cf_gtr_spi1_cs_pins>;
pinctrl-names = "default";
status = "okay";
flash@0 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "w25q32", "jedec,spi-nor";
reg = <0>; /* Chip select 0 */
spi-max-frequency = <3000000>;
status = "okay";
};
};
&i2c0 {
pinctrl-0 = <&i2c0_pins>;
pinctrl-names = "default";
status = "okay";
/* U26 temperature sensor placed near SoC */
temp1: nct75@4c {
compatible = "lm75";
reg = <0x4c>;
};
/* U27 temperature sensor placed near RTC battery */
temp2: nct75@4d {
compatible = "lm75";
reg = <0x4d>;
};
/* 2Kb eeprom */
eeprom@53 {
compatible = "atmel,24c02";
reg = <0x53>;
};
};
&ahci0 {
status = "okay";
};
&ahci1 {
status = "okay";
};
&gpio0 {
pinctrl-0 = <&cf_gtr_fan_pwm &cf_gtr_wifi_disable_pins>;
pinctrl-names = "default";
wifi-disable {
gpio-hog;
gpios = <30 GPIO_ACTIVE_LOW>, <31 GPIO_ACTIVE_LOW>;
output-low;
line-name = "wifi-disable";
};
};
&gpio1 {
pinctrl-0 = <&cf_gtr_isolation_pins &cf_gtr_poe_reset_pins &cf_gtr_lte_disable_pins>;
pinctrl-names = "default";
lte-disable {
gpio-hog;
gpios = <2 GPIO_ACTIVE_LOW>;
output-low;
line-name = "lte-disable";
};
/*
* This signal, when asserted, isolates Armada 38x sample at reset pins
* from control of external devices. Should be de-asserted after reset.
*/
sar-isolation {
gpio-hog;
gpios = <15 GPIO_ACTIVE_LOW>;
output-low;
line-name = "sar-isolation";
};
poe-reset {
gpio-hog;
gpios = <16 GPIO_ACTIVE_LOW>;
output-low;
line-name = "poe-reset";
};
};
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