// SPDX-License-Identifier: GPL-2.0-only
// Copyright (c) 2022, Ampere Computing LLC
/dts-v1/;
#include "aspeed-g6.dtsi"
#include <dt-bindings/i2c/i2c.h>
#include <dt-bindings/gpio/aspeed-gpio.h>
/ {
model = "Ampere Mt.Mitchell BMC";
compatible = "ampere,mtmitchell-bmc", "aspeed,ast2600";
aliases {
serial7 = &uart8;
serial8 = &uart9;
/*
* I2C NVMe alias port
*/
i2c100 = &backplane_0;
i2c48 = &nvmeslot_0;
i2c49 = &nvmeslot_1;
i2c50 = &nvmeslot_2;
i2c51 = &nvmeslot_3;
i2c52 = &nvmeslot_4;
i2c53 = &nvmeslot_5;
i2c54 = &nvmeslot_6;
i2c55 = &nvmeslot_7;
i2c101 = &backplane_1;
i2c56 = &nvmeslot_8;
i2c57 = &nvmeslot_9;
i2c58 = &nvmeslot_10;
i2c59 = &nvmeslot_11;
i2c60 = &nvmeslot_12;
i2c61 = &nvmeslot_13;
i2c62 = &nvmeslot_14;
i2c63 = &nvmeslot_15;
i2c102 = &backplane_2;
i2c64 = &nvmeslot_16;
i2c65 = &nvmeslot_17;
i2c66 = &nvmeslot_18;
i2c67 = &nvmeslot_19;
i2c68 = &nvmeslot_20;
i2c69 = &nvmeslot_21;
i2c70 = &nvmeslot_22;
i2c71 = &nvmeslot_23;
i2c80 = &nvme_m2_0;
i2c81 = &nvme_m2_1;
};
chosen {
stdout-path = &uart5;
};
memory@80000000 {
device_type = "memory";
reg = <0x80000000 0x80000000>;
};
reserved-memory {
#address-cells = <1>;
#size-cells = <1>;
ranges;
gfx_memory: framebuffer {
size = <0x01000000>;
alignment = <0x01000000>;
compatible = "shared-dma-pool";
reusable;
};
video_engine_memory: video {
size = <0x04000000>;
alignment = <0x01000000>;
compatible = "shared-dma-pool";
reusable;
};
vga_memory: region@bf000000 {
no-map;
compatible = "shared-dma-pool";
reg = <0xbf000000 0x01000000>; /* 16M */
};
};
voltage_mon_reg: voltage-mon-regulator {
compatible = "regulator-fixed";
regulator-name = "ltc2497_reg";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
gpioI5mux: mux-controller {
compatible = "gpio-mux";
#mux-control-cells = <0>;
mux-gpios = <&gpio0 ASPEED_GPIO(I, 5) GPIO_ACTIVE_HIGH>;
};
adc0mux: adc0mux {
compatible = "io-channel-mux";
io-channels = <&adc_i2c_0 0>;
#io-channel-cells = <1>;
io-channel-names = "parent";
mux-controls = <&gpioI5mux>;
settle-time-us = <10000>;
channels = "s0", "s1";
};
adc1mux: adc1mux {
compatible = "io-channel-mux";
io-channels = <&adc_i2c_0 1>;
#io-channel-cells = <1>;
io-channel-names = "parent";
mux-controls = <&gpioI5mux>;
settle-time-us = <10000>;
channels = "s0", "s1";
};
adc2mux: adc2mux {
compatible = "io-channel-mux";
io-channels = <&adc_i2c_0 2>;
#io-channel-cells = <1>;
io-channel-names = "parent";
mux-controls = <&gpioI5mux>;
settle-time-us = <10000>;
channels = "s0", "s1";
};
adc3mux: adc3mux {
compatible = "io-channel-mux";
io-channels = <&adc_i2c_0 3>;
#io-channel-cells = <1>;
io-channel-names = "parent";
mux-controls = <&gpioI5mux>;
settle-time-us = <10000>;
channels = "s0", "s1";
};
adc4mux: adc4mux {
compatible = "io-channel-mux";
io-channels = <&adc_i2c_0 4>;
#io-channel-cells = <1>;
io-channel-names = "parent";
mux-controls = <&gpioI5mux>;
settle-time-us = <10000>;
channels = "s0", "s1";
};
adc5mux: adc5mux {
compatible = "io-channel-mux";
io-channels = <&adc_i2c_0 5>;
#io-channel-cells = <1>;
io-channel-names = "parent";
mux-controls = <&gpioI5mux>;
settle-time-us = <10000>;
channels = "s0", "s1";
};
adc6mux: adc6mux {
compatible = "io-channel-mux";
io-channels = <&adc_i2c_0 6>;
#io-channel-cells = <1>;
io-channel-names = "parent";
mux-controls = <&gpioI5mux>;
settle-time-us = <10000>;
channels = "s0", "s1";
};
adc7mux: adc7mux {
compatible = "io-channel-mux";
io-channels = <&adc_i2c_0 7>;
#io-channel-cells = <1>;
io-channel-names = "parent";
mux-controls = <&gpioI5mux>;
settle-time-us = <10000>;
channels = "s0", "s1";
};
adc8mux: adc8mux {
compatible = "io-channel-mux";
io-channels = <&adc_i2c_0 8>;
#io-channel-cells = <1>;
io-channel-names = "parent";
mux-controls = <&gpioI5mux>;
settle-time-us = <10000>;
channels = "s0", "s1";
};
adc9mux: adc9mux {
compatible = "io-channel-mux";
io-channels = <&adc_i2c_0 9>;
#io-channel-cells = <1>;
io-channel-names = "parent";
mux-controls = <&gpioI5mux>;
settle-time-us = <10000>;
channels = "s0", "s1";
};
adc10mux: adc10mux {
compatible = "io-channel-mux";
io-channels = <&adc_i2c_0 10>;
#io-channel-cells = <1>;
io-channel-names = "parent";
mux-controls = <&gpioI5mux>;
settle-time-us = <10000>;
channels = "s0", "s1";
};
adc11mux: adc11mux {
compatible = "io-channel-mux";
io-channels = <&adc_i2c_0 11>;
#io-channel-cells = <1>;
io-channel-names = "parent";
mux-controls = <&gpioI5mux>;
settle-time-us = <10000>;
channels = "s0", "s1";
};
adc12mux: adc12mux {
compatible = "io-channel-mux";
io-channels = <&adc_i2c_0 12>;
#io-channel-cells = <1>;
io-channel-names = "parent";
mux-controls = <&gpioI5mux>;
settle-time-us = <10000>;
channels = "s0", "s1";
};
adc13mux: adc13mux {
compatible = "io-channel-mux";
io-channels = <&adc_i2c_0 13>;
#io-channel-cells = <1>;
io-channel-names = "parent";
mux-controls = <&gpioI5mux>;
settle-time-us = <10000>;
channels = "s0", "s1";
};
adc14mux: adc14mux {
compatible = "io-channel-mux";
io-channels = <&adc_i2c_0 14>;
#io-channel-cells = <1>;
io-channel-names = "parent";
mux-controls = <&gpioI5mux>;
settle-time-us = <10000>;
channels = "s0", "s1";
};
adc15mux: adc15mux {
compatible = "io-channel-mux";
io-channels = <&adc_i2c_0 15>;
#io-channel-cells = <1>;
io-channel-names = "parent";
mux-controls = <&gpioI5mux>;
settle-time-us = <10000>;
channels = "s0", "s1";
};
iio-hwmon {
compatible = "iio-hwmon";
io-channels = <&adc0mux 0>, <&adc0mux 1>,
<&adc1mux 0>, <&adc1mux 1>,
<&adc2mux 0>, <&adc2mux 1>,
<&adc3mux 0>, <&adc3mux 1>,
<&adc4mux 0>, <&adc4mux 1>,
<&adc5mux 0>, <&adc5mux 1>,
<&adc6mux 0>, <&adc6mux 1>,
<&adc7mux 0>, <&adc7mux 1>,
<&adc8mux 0>, <&adc8mux 1>,
<&adc9mux 0>, <&adc9mux 1>,
<&adc10mux 0>, <&adc10mux 1>,
<&adc11mux 0>, <&adc11mux 1>,
<&adc12mux 0>, <&adc12mux 1>,
<&adc13mux 0>, <&adc13mux 1>,
<&adc14mux 0>, <&adc14mux 1>,
<&adc15mux 0>, <&adc15mux 1>,
<&adc_i2c_1 0>, <&adc_i2c_1 1>,
<&adc_i2c_1 2>, <&adc_i2c_1 3>,
<&adc_i2c_1 4>, <&adc_i2c_1 5>,
<&adc_i2c_1 6>, <&adc_i2c_1 7>,
<&adc_i2c_1 8>, <&adc_i2c_1 9>,
<&adc_i2c_1 10>, <&adc_i2c_1 11>,
<&adc_i2c_1 12>, <&adc_i2c_1 13>,
<&adc_i2c_1 14>, <&adc_i2c_1 15>,
<&adc0 0>, <&adc0 1>,
<&adc0 2>;
};
};
&mdio0 {
status = "okay";
ethphy0: ethernet-phy@0 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <0>;
};
};
&mac0 {
status = "okay";
phy-mode = "rgmii";
phy-handle = <ðphy0>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_rgmii1_default>;
};
&mac3 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_rmii4_default>;
clock-names = "MACCLK", "RCLK";
use-ncsi;
};
&fmc {
status = "okay";
flash@0 {
status = "okay";
m25p,fast-read;
label = "bmc";
spi-max-frequency = <50000000>;
#include "openbmc-flash-layout-64.dtsi"
};
flash@1 {
status = "okay";
m25p,fast-read;
label = "alt-bmc";
spi-max-frequency = <50000000>;
#include "openbmc-flash-layout-64-alt.dtsi"
};
};
&spi1 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_spi1_default>;
flash@0 {
status = "okay";
m25p,fast-read;
label = "pnor";
spi-max-frequency = <20000000>;
};
};
&uart1 {
status = "okay";
};
&uart2 {
status = "okay";
};
&uart3 {
status = "okay";
};
&uart4 {
status = "okay";
};
&uart8 {
status = "okay";
};
&uart9 {
status = "okay";
};
&i2c0 {
status = "okay";
temperature-sensor@2e {
compatible = "adi,adt7490";
reg = <0x2e>;
};
};
&i2c1 {
status = "okay";
};
&i2c2 {
status = "okay";
psu@58 {
compatible = "pmbus";
reg = <0x58>;
};
psu@59 {
compatible = "pmbus";
reg = <0x59>;
};
};
&i2c3 {
status = "okay";
bus-frequency = <1000000>;
multi-master;
mctp-controller;
mctp@10 {
compatible = "mctp-i2c-controller";
reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
};
};
&i2c4 {
status = "okay";
adc_i2c_0: adc@14 {
compatible = "lltc,ltc2497";
reg = <0x14>;
vref-supply = <&voltage_mon_reg>;
#io-channel-cells = <1>;
};
adc_i2c_1: adc@16 {
compatible = "lltc,ltc2497";
reg = <0x16>;
vref-supply = <&voltage_mon_reg>;
#io-channel-cells = <1>;
};
eeprom@50 {
compatible = "atmel,24c64";
reg = <0x50>;
pagesize = <32>;
};
i2c-mux@70 {
compatible = "nxp,pca9545";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x70>;
i2c-mux-idle-disconnect;
i2c4_bus70_chn0: i2c@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x0>;
outlet_temp1: temperature-sensor@48 {
compatible = "ti,tmp75";
reg = <0x48>;
};
psu1_inlet_temp2: temperature-sensor@49 {
compatible = "ti,tmp75";
reg = <0x49>;
};
};
i2c4_bus70_chn1: i2c@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x1>;
pcie_zone_temp1: temperature-sensor@48 {
compatible = "ti,tmp75";
reg = <0x48>;
};
psu0_inlet_temp2: temperature-sensor@49 {
compatible = "ti,tmp75";
reg = <0x49>;
};
};
i2c4_bus70_chn2: i2c@2 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x2>;
pcie_zone_temp2: temperature-sensor@48 {
compatible = "ti,tmp75";
reg = <0x48>;
};
outlet_temp2: temperature-sensor@49 {
compatible = "ti,tmp75";
reg = <0x49>;
};
};
i2c4_bus70_chn3: i2c@3 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x3>;
mb_inlet_temp1: temperature-sensor@7c {
compatible = "microchip,emc1413";
reg = <0x7c>;
};
mb_inlet_temp2: temperature-sensor@4c {
compatible = "microchip,emc1413";
reg = <0x4c>;
};
};
};
};
&i2c5 {
status = "okay";
i2c-mux@70 {
compatible = "nxp,pca9548";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x70>;
i2c-mux-idle-disconnect;
};
};
&i2c6 {
status = "okay";
rtc@51 {
compatible = "nxp,pcf85063a";
reg = <0x51>;
};
};
&i2c7 {
status = "okay";
};
&i2c8 {
status = "okay";
temperature-sensor@48 {
compatible = "ti,tmp112";
reg = <0x48>;
};
gpio@77 {
compatible = "nxp,pca9539";
reg = <0x77>;
gpio-controller;
#address-cells = <1>;
#size-cells = <0>;
#gpio-cells = <2>;
bmc-ocp0-en-hog {
gpio-hog;
gpios = <7 GPIO_ACTIVE_LOW>;
output-high;
line-name = "bmc-ocp0-en-n";
};
};
};
&i2c9 {
status = "okay";
i2c-mux@70 {
compatible = "nxp,pca9548";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x70>;
i2c-mux-idle-disconnect;
backplane_1: i2c@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x0>;
eeprom@50 {
compatible = "atmel,24c64";
reg = <0x50>;
pagesize = <32>;
};
i2c-mux@71 {
compatible = "nxp,pca9548";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x71>;
i2c-mux-idle-disconnect;
nvmeslot_8: i2c@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x0>;
};
nvmeslot_9: i2c@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x1>;
};
nvmeslot_10: i2c@2 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x2>;
};
nvmeslot_11: i2c@3 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x3>;
};
nvmeslot_12: i2c@4 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x4>;
};
nvmeslot_13: i2c@5 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x5>;
};
nvmeslot_14: i2c@6 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x6>;
};
nvmeslot_15: i2c@7 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x7>;
};
};
tmp432@4c {
compatible = "ti,tmp75";
reg = <0x4c>;
};
};
backplane_2: i2c@2 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x2>;
eeprom@50 {
compatible = "atmel,24c64";
reg = <0x50>;
pagesize = <32>;
};
i2c-mux@71 {
compatible = "nxp,pca9548";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x71>;
i2c-mux-idle-disconnect;
nvmeslot_16: i2c@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x0>;
};
nvmeslot_17: i2c@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x1>;
};
nvmeslot_18: i2c@2 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x2>;
};
nvmeslot_19: i2c@3 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x3>;
};
nvmeslot_20: i2c@4 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x4>;
};
nvmeslot_21: i2c@5 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x5>;
};
nvmeslot_22: i2c@6 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x6>;
};
nvmeslot_23: i2c@7 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x7>;
};
};
tmp432@4c {
compatible = "ti,tmp75";
reg = <0x4c>;
};
};
backplane_0: i2c@4 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x4>;
eeprom@50 {
compatible = "atmel,24c64";
reg = <0x50>;
pagesize = <32>;
};
i2c-mux@71 {
compatible = "nxp,pca9548";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x71>;
i2c-mux-idle-disconnect;
nvmeslot_0: i2c@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x0>;
};
nvmeslot_1: i2c@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x1>;
};
nvmeslot_2: i2c@2 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x2>;
};
nvmeslot_3: i2c@3 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x3>;
};
nvmeslot_4: i2c@4 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x4>;
};
nvmeslot_5: i2c@5 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x5>;
};
nvmeslot_6: i2c@6 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x6>;
};
nvmeslot_7: i2c@7 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x7>;
};
};
tmp432@4c {
compatible = "ti,tmp75";
reg = <0x4c>;
};
};
i2c@7 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x7>;
i2c-mux@71 {
compatible = "nxp,pca9546";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x71>;
i2c-mux-idle-disconnect;
nvme_m2_0: i2c@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x0>;
};
nvme_m2_1: i2c@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x1>;
};
};
};
};
};
&i2c11 {
status = "okay";
ssif-bmc@10 {
compatible = "ssif-bmc";
reg = <0x10>;
};
};
&i2c14 {
status = "okay";
eeprom@50 {
compatible = "atmel,24c64";
reg = <0x50>;
pagesize = <32>;
};
bmc_ast2600_cpu: temperature-sensor@35 {
compatible = "ti,tmp175";
reg = <0x35>;
};
};
&adc0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_adc0_default &pinctrl_adc1_default
&pinctrl_adc2_default>;
};
&vhub {
status = "okay";
};
&video {
status = "okay";
memory-region = <&video_engine_memory>;
};
&gpio0 {
gpio-line-names =
/*A0-A7*/ "","","","","","i2c2-reset-n","i2c6-reset-n","i2c4-reset-n",
/*B0-B7*/ "","","","","host0-sysreset-n","host0-pmin-n","","",
/*C0-C7*/ "s0-vrd-fault-n","s1-vrd-fault-n","bmc-debug-mode","",
"irq-n","","vrd-sel","spd-sel",
/*D0-D7*/ "presence-ps0","presence-ps1","hsc-12vmain-alt2-n","ext-high-temp-n",
"","bmc-ncsi-txen","","",
/*E0-E7*/ "","eth-phy-int-n","clk50m-bmc-ncsi","","","","","",
/*F0-F7*/ "s0-pcp-oc-warn-n","s1-pcp-oc-warn-n","power-chassis-control",
"cpu-bios-recover","s0-heartbeat","hs-csout-prochot",
"s0-vr-hot-n","s1-vr-hot-n",
/*G0-G7*/ "","","hsc-12vmain-alt1-n","","","","","",
/*H0-H7*/ "jtag-program-sel","fpga-program-b","wd-disable-n",
"power-chassis-good","","","","",
/*I0-I7*/ "","","","","","adc-sw","power-button","rtc-battery-voltage-read-enable",
/*J0-J7*/ "","","","","","","","",
/*K0-K7*/ "","","","","","","","",
/*L0-L7*/ "","","","","","","","",
/*M0-M7*/ "","s0-ddr-save","soc-spi-nor-access","presence-cpu0",
"s0-rtc-lock","","","",
/*N0-N7*/ "hpm-fw-recovery","hpm-stby-rst-n","jtag-sel-s0","led-sw-hb",
"jtag-dbgr-prsnt-n","s1-heartbeat","","",
/*O0-O7*/ "","","","","","","","",
/*P0-P7*/ "ps0-ac-loss-n","ps1-ac-loss-n","","",
"led-fault","cpld-user-mode","jtag-srst-n","led-bmc-hb",
/*Q0-Q7*/ "","","","","","","","",
/*R0-R7*/ "","","","","","","","",
/*S0-S7*/ "","","identify-button","led-identify",
"s1-ddr-save","spi-nor-access","host0-ready","presence-cpu1",
/*T0-T7*/ "","","","","","","","",
/*U0-U7*/ "","","","","","","","",
/*V0-V7*/ "s0-hightemp-n","s0-fault-alert","s0-sys-auth-failure-n",
"host0-reboot-ack-n","s0-fw-boot-ok","host0-shd-req-n",
"host0-shd-ack-n","s0-overtemp-n",
/*W0-W7*/ "ocp-aux-pwren","ocp-main-pwren","ocp-pgood","s1-pcp-pgood",
"bmc-ok","bmc-ready","spi0-program-sel","spi0-backup-sel",
/*X0-X7*/ "i2c-backup-sel","s1-fault-alert","s1-fw-boot-ok",
"s1-hightemp-n","s0-spi-auth-fail-n","s1-sys-auth-failure-n",
"s1-overtemp-n","cpld-s1-spi-auth-fail-n",
/*Y0-Y7*/ "","","","","","","","host0-special-boot",
/*Z0-Z7*/ "reset-button","ps0-pgood","ps1-pgood","","","","","";
ocp-aux-pwren-hog {
gpio-hog;
gpios = <ASPEED_GPIO(W, 0) GPIO_ACTIVE_HIGH>;
output-high;
line-name = "ocp-aux-pwren";
};
};
&gpio1 {
gpio-line-names =
/*18A0-18A7*/ "","","","","","","","",
/*18B0-18B7*/ "","","","","","","s0-soc-pgood","",
/*18C0-18C7*/ "uart1-mode0","uart1-mode1","uart2-mode0","uart2-mode1",
"uart3-mode0","uart3-mode1","uart4-mode0","uart4-mode1",
/*18D0-18D7*/ "","","","","","","","",
/*18E0-18E3*/ "","","","";
};
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