Add linux device tree entry related to greatlakes specific devices connected to BMC SoC. --- --- v3 - Add documentation of board compatible (bindings) --- - Add board compatible --- - Remove the bootargs --- - Revise the DTS node name --- --- v2 - Add binding document --- --- v1 - Initial draft --- Signed-off-by: Bonnie Lo <Bonnie_Lo@xxxxxxxxxx> --- arch/arm/boot/dts/Makefile | 1 + .../dts/aspeed-bmc-facebook-greatlakes.dts | 241 ++++++++++++++++++ 2 files changed, 242 insertions(+) create mode 100644 arch/arm/boot/dts/aspeed-bmc-facebook-greatlakes.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 05d8aef6e5d2..d9f417f2d7df 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1586,6 +1586,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \ aspeed-bmc-facebook-elbert.dtb \ aspeed-bmc-facebook-fuji.dtb \ aspeed-bmc-facebook-galaxy100.dtb \ + aspeed-bmc-facebook-greatlakes.dtb \ aspeed-bmc-facebook-minipack.dtb \ aspeed-bmc-facebook-tiogapass.dtb \ aspeed-bmc-facebook-wedge40.dtb \ diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-greatlakes.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-greatlakes.dts new file mode 100644 index 000000000000..8c05bd56ce1e --- /dev/null +++ b/arch/arm/boot/dts/aspeed-bmc-facebook-greatlakes.dts @@ -0,0 +1,241 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +// Copyright 2022 Facebook Inc. + +/dts-v1/; +#include "aspeed-g6.dtsi" +#include <dt-bindings/gpio/aspeed-gpio.h> +#include <dt-bindings/leds/leds-pca955x.h> +#include <dt-bindings/i2c/i2c.h> + +/ { + model = "Facebook Greatlakes BMC"; + compatible = "facebook,greatlakes-bmc", "aspeed,ast2600"; + + aliases { + serial4 = &uart5; + }; + + 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 0>, <&adc1 2>, <&adc1 3>, <&adc1 4>, + <&adc1 5>, <&adc1 6>; + }; +}; + +&uart1 { + status = "okay"; +}; + +&uart2 { + status = "okay"; +}; + +&uart3 { + status = "okay"; +}; + +&uart4 { + status = "okay"; +}; + +&uart5 { + 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>; + no-hw-checksum; + use-ncsi; + mlx,multi-host; + ncsi-ctrl,start-redo-probe; + ncsi-ctrl,no-channel-monitor; + ncsi-package = <1>; + ncsi-channel = <1>; + ncsi-rexmit = <1>; + ncsi-timeout = <2>; +}; + +&rtc { + status = "okay"; +}; + +&fmc { + status = "okay"; + flash@0 { + status = "okay"; + m25p,fast-read; + label = "bmc"; + spi-rx-bus-width = <4>; + spi-max-frequency = <50000000>; +#include "openbmc-flash-layout-64.dtsi" + }; + flash@1 { + status = "okay"; + m25p,fast-read; + label = "bmc2"; + spi-rx-bus-width = <4>; + spi-max-frequency = <50000000>; + }; +}; + +&i2c0 { + status = "okay"; + multi-master; + ipmb@10 { + compatible = "ipmb-dev"; + reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>; + i2c-protocol; + }; +}; + +&i2c1 { + status = "okay"; + multi-master; + ipmb@10 { + compatible = "ipmb-dev"; + reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>; + i2c-protocol; + }; +}; + +&i2c2 { + status = "okay"; + multi-master; + ipmb@10 { + compatible = "ipmb-dev"; + reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>; + i2c-protocol; + }; +}; + +&i2c3 { + status = "okay"; + multi-master; + ipmb@10 { + compatible = "ipmb-dev"; + reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>; + i2c-protocol; + }; +}; + +&i2c4 { + status = "okay"; +}; + +&i2c5 { + status = "okay"; +}; + +&i2c6 { + status = "okay"; +}; + +&i2c7 { + status = "okay"; +}; + +&i2c8 { + status = "okay"; + temperature-sensor@1f { + compatible = "ti,tmp421"; + reg = <0x1f>; + }; + // NIC EEPROM + eeprom@50 { + compatible = "st,24c32"; + reg = <0x50>; + }; +}; + +&i2c9 { + status = "okay"; + multi-master; + ipmb@10 { + compatible = "ipmb-dev"; + reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>; + i2c-protocol; + }; +}; + +&i2c10 { + status = "okay"; +}; + +&i2c11 { + status = "okay"; + eeprom@51 { + compatible = "atmel,24c128"; + reg = <0x51>; + }; + eeprom@54 { + compatible = "atmel,24c128"; + reg = <0x54>; + }; +}; + +&i2c12 { + status = "okay"; + temperature-sensor@4f { + compatible = "lm75"; + reg = <0x4f>; + }; +}; + +&i2c13 { + status = "okay"; +}; + +&adc0 { + ref_voltage = <2500>; + 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 { + ref_voltage = <2500>; + status = "okay"; + pinctrl-0 = <&pinctrl_adc8_default &pinctrl_adc10_default + &pinctrl_adc11_default &pinctrl_adc12_default + &pinctrl_adc13_default &pinctrl_adc14_default>; +}; + + +&ehci0 { + status = "okay"; +}; + +&ehci1 { + status = "okay"; +}; + +&uhci { + status = "okay"; +}; + +&gpio0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gpiu1_default &pinctrl_gpiu7_default>; +}; -- 2.25.1