Add linux device tree entry related to the Minerva Chassis Management Controller (CMC) specific devices connected to the Aspeed SoC (AST2600). Signed-off-by: Yang Chen <yangchen.openbmc@xxxxxxxxx> --- arch/arm/boot/dts/aspeed/Makefile | 1 + .../aspeed-bmc-facebook-minerva-cmc.dts | 265 ++++++++++++++++++ 2 files changed, 266 insertions(+) create mode 100644 arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-minerva-cmc.dts diff --git a/arch/arm/boot/dts/aspeed/Makefile b/arch/arm/boot/dts/aspeed/Makefile index 23cbc7203a8e..d3ac20e316d0 100644 --- a/arch/arm/boot/dts/aspeed/Makefile +++ b/arch/arm/boot/dts/aspeed/Makefile @@ -19,6 +19,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \ aspeed-bmc-facebook-fuji.dtb \ aspeed-bmc-facebook-galaxy100.dtb \ aspeed-bmc-facebook-greatlakes.dtb \ + aspeed-bmc-facebook-minerva-cmc.dtb \ aspeed-bmc-facebook-minipack.dtb \ aspeed-bmc-facebook-tiogapass.dtb \ aspeed-bmc-facebook-wedge40.dtb \ diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-minerva-cmc.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-minerva-cmc.dts new file mode 100644 index 000000000000..3c389fdf58a5 --- /dev/null +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-minerva-cmc.dts @@ -0,0 +1,265 @@ +// SPDX-License-Identifier: GPL-2.0+ +// Copyright (c) 2023 Facebook Inc. +/dts-v1/; + +#include "aspeed-g6.dtsi" +#include <dt-bindings/gpio/aspeed-gpio.h> +#include <dt-bindings/i2c/i2c.h> + +/ { + model = "Facebook Minerva CMC"; + compatible = "facebook,minerva-cmc", "aspeed,ast2600"; + + aliases { + serial5 = &uart5; + }; + + chosen { + stdout-path = "serial5:57600n8"; + }; + + memory@80000000 { + device_type = "memory"; + reg = <0x80000000 0x80000000>; + }; + + iio-hwmon { + compatible = "iio-hwmon"; + io-channels = <&adc0 0>, <&adc0 1>, <&adc0 2>, <&adc0 3>, + <&adc0 4>, <&adc0 5>, <&adc0 6>, <&adc0 7>, + <&adc1 2>; + }; +}; + +&uart6 { + status = "okay"; +}; + +&wdt1 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wdtrst1_default>; + aspeed,reset-type = "soc"; + aspeed,external-signal; + aspeed,ext-push-pull; + aspeed,ext-active-high; + aspeed,ext-pulse-duration = <256>; +}; + +&mac3 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_rmii4_default>; + use-ncsi; + mlx,multi-host; +}; + +&fmc { + status = "okay"; + flash@0 { + status = "okay"; + m25p,fast-read; + label = "bmc"; + spi-max-frequency = <50000000>; +#include "openbmc-flash-layout-128.dtsi" + }; + flash@1 { + status = "okay"; + m25p,fast-read; + label = "alt-bmc"; + spi-max-frequency = <50000000>; + }; +}; + +&rtc { + status = "okay"; +}; + +&sgpiom1 { + status = "okay"; + ngpios = <128>; + bus-frequency = <2000000>; +}; + +&i2c0 { + status = "okay"; +}; + +&i2c1 { + status = "okay"; + + temperature-sensor@4B { + compatible = "ti,tmp75"; + reg = <0x4B>; + }; + + eeprom@51 { + compatible = "atmel,24c128"; + reg = <0x51>; + }; +}; + +&i2c2 { + status = "okay"; + + i2c-mux@77 { + compatible = "nxp,pca9548"; + reg = <0x77>; + #address-cells = <1>; + #size-cells = <0>; + i2c-mux-idle-disconnect; + + i2c@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + + eeprom@50 { + compatible = "atmel,24c128"; + reg = <0x50>; + }; + }; + + i2c@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + + eeprom@50 { + compatible = "atmel,24c128"; + reg = <0x50>; + }; + }; + + i2c@2 { + #address-cells = <1>; + #size-cells = <0>; + reg = <2>; + + eeprom@50 { + compatible = "atmel,24c128"; + reg = <0x50>; + }; + }; + + i2c@3 { + #address-cells = <1>; + #size-cells = <0>; + reg = <3>; + + eeprom@50 { + compatible = "atmel,24c128"; + reg = <0x50>; + }; + }; + + i2c@4 { + #address-cells = <1>; + #size-cells = <0>; + reg = <4>; + + eeprom@50 { + compatible = "atmel,24c128"; + reg = <0x50>; + }; + }; + + i2c@5 { + #address-cells = <1>; + #size-cells = <0>; + reg = <5>; + + eeprom@50 { + compatible = "atmel,24c128"; + reg = <0x50>; + }; + }; + }; +}; + +&i2c3 { + status = "okay"; +}; + +&i2c4 { + status = "okay"; +}; + +&i2c5 { + status = "okay"; +}; + +&i2c6 { + status = "okay"; +}; + +&i2c7 { + status = "okay"; +}; + +&i2c8 { + status = "okay"; +}; + +&i2c9 { + status = "okay"; +}; + +&i2c10 { + status = "okay"; +}; + +&i2c11 { + status = "okay"; +}; + +&i2c12 { + status = "okay"; +}; + +&i2c13 { + status = "okay"; +}; + +&i2c14 { + status = "okay"; + multi-master; + + ipmb@10 { + compatible = "ipmb-dev"; + reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>; + i2c-protocol; + }; +}; + +&i2c15 { + status = "okay"; + + eeprom@50 { + compatible = "atmel,24c128"; + reg = <0x50>; + }; +}; + +&adc0 { + aspeed,int-vref-microvolt = <2500000>; + status = "okay"; + pinctrl-0 = <&pinctrl_adc0_default &pinctrl_adc1_default + &pinctrl_adc2_default &pinctrl_adc3_default + &pinctrl_adc4_default &pinctrl_adc5_default + &pinctrl_adc6_default &pinctrl_adc7_default>; +}; + +&adc1 { + aspeed,int-vref-microvolt = <2500000>; + status = "okay"; + pinctrl-0 = <&pinctrl_adc10_default>; +}; + +&ehci1 { + status = "okay"; +}; + +&uhci { + status = "okay"; +}; -- 2.34.1