ARM: dts: aspeed: Initial device tree for AMD EthanolX

Initial introduction of AMD EthanolX platform equipped with an
Aspeed ast2500 BMC manufactured by AMD.

AMD EthanolX platform is an AMD customer reference board with an
Aspeed ast2500 BMC manufactured by AMD.

This adds AMD EthanolX device tree file including the flash layout
used by EthanolX BMC machines.

Signed-off-by: Supreeth Venkatesh <supreeth.venkatesh@amd.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
This commit is contained in:
Supreeth Venkatesh 2020-07-24 14:28:18 -05:00 committed by Joel Stanley
parent c5b6bdabce
commit 8596ed1502
2 changed files with 220 additions and 0 deletions

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@ -1346,6 +1346,7 @@ dtb-$(CONFIG_ARCH_ZX) += zx296702-ad1.dtb
dtb-$(CONFIG_ARCH_ASPEED) += \
aspeed-ast2500-evb.dtb \
aspeed-ast2600-evb.dtb \
aspeed-bmc-amd-ethanolx.dtb \
aspeed-bmc-arm-centriq2400-rep.dtb \
aspeed-bmc-arm-stardragon4800-rep2.dtb \
aspeed-bmc-facebook-cmm.dtb \

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@ -0,0 +1,219 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2020 AMD Inc.
// Author: Supreeth Venkatesh <supreeth.venkatesh@amd.com>
/dts-v1/;
#include "aspeed-g5.dtsi"
#include <dt-bindings/gpio/aspeed-gpio.h>
/ {
model = "AMD EthanolX BMC";
compatible = "amd,ethanolx-bmc", "aspeed,ast2500";
memory@80000000 {
reg = <0x80000000 0x20000000>;
};
aliases {
serial0 = &uart1;
serial4 = &uart5;
};
chosen {
stdout-path = &uart5;
bootargs = "console=ttyS4,115200 earlyprintk";
};
leds {
compatible = "gpio-leds";
fault {
gpios = <&gpio ASPEED_GPIO(A, 2) GPIO_ACTIVE_LOW>;
};
identify {
gpios = <&gpio ASPEED_GPIO(A, 3) GPIO_ACTIVE_LOW>;
};
};
iio-hwmon {
compatible = "iio-hwmon";
io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>, <&adc 4>;
};
};
&fmc {
status = "okay";
flash@0 {
status = "okay";
m25p,fast-read;
#include "openbmc-flash-layout.dtsi"
};
};
&mac0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_rmii1_default>;
clocks = <&syscon ASPEED_CLK_GATE_MAC1CLK>,
<&syscon ASPEED_CLK_MAC1RCLK>;
clock-names = "MACCLK", "RCLK";
};
&uart1 {
//Host Console
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_txd1_default
&pinctrl_rxd1_default>;
};
&uart5 {
//BMC Console
status = "okay";
};
&adc {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_adc0_default
&pinctrl_adc1_default
&pinctrl_adc2_default
&pinctrl_adc3_default
&pinctrl_adc4_default>;
};
//APML for P0
&i2c0 {
status = "okay";
};
//APML for P1
&i2c1 {
status = "okay";
};
// Thermal Sensors
&i2c7 {
status = "okay";
lm75a@48 {
compatible = "national,lm75a";
reg = <0x48>;
};
lm75a@49 {
compatible = "national,lm75a";
reg = <0x49>;
};
lm75a@4a {
compatible = "national,lm75a";
reg = <0x4a>;
};
lm75a@4b {
compatible = "national,lm75a";
reg = <0x4b>;
};
lm75a@4c {
compatible = "national,lm75a";
reg = <0x4c>;
};
lm75a@4d {
compatible = "national,lm75a";
reg = <0x4d>;
};
lm75a@4e {
compatible = "national,lm75a";
reg = <0x4e>;
};
lm75a@4f {
compatible = "national,lm75a";
reg = <0x4f>;
};
};
&kcs1 {
status = "okay";
kcs_addr = <0x60>;
};
&kcs2 {
status = "okay";
kcs_addr = <0x62>;
};
&kcs4 {
status = "okay";
kcs_addr = <0x97DE>;
};
&lpc_snoop {
status = "okay";
snoop-ports = <0x80>;
};
&lpc_ctrl {
//Enable lpc clock
status = "okay";
};
&pwm_tacho {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pwm0_default
&pinctrl_pwm1_default
&pinctrl_pwm2_default
&pinctrl_pwm3_default
&pinctrl_pwm4_default
&pinctrl_pwm5_default
&pinctrl_pwm6_default
&pinctrl_pwm7_default>;
fan@0 {
reg = <0x00>;
aspeed,fan-tach-ch = /bits/ 8 <0x00>;
};
fan@1 {
reg = <0x01>;
aspeed,fan-tach-ch = /bits/ 8 <0x01>;
};
fan@2 {
reg = <0x02>;
aspeed,fan-tach-ch = /bits/ 8 <0x02>;
};
fan@3 {
reg = <0x03>;
aspeed,fan-tach-ch = /bits/ 8 <0x03>;
};
fan@4 {
reg = <0x04>;
aspeed,fan-tach-ch = /bits/ 8 <0x04>;
};
fan@5 {
reg = <0x05>;
aspeed,fan-tach-ch = /bits/ 8 <0x05>;
};
fan@6 {
reg = <0x06>;
aspeed,fan-tach-ch = /bits/ 8 <0x06>;
};
fan@7 {
reg = <0x07>;
aspeed,fan-tach-ch = /bits/ 8 <0x07>;
};
};