[PATCH v4 13/13] ARM: dts: aspeed: Add Facebook Darwin (AST2600) BMC
From: <hidden>
Date: 2025-07-28 05:56:45
Also in:
linux-arm-kernel, linux-devicetree, lkml
Subsystem:
arm/aspeed machine support, the rest · Maintainers:
Joel Stanley, Andrew Jeffery, Linus Torvalds
From: Tao Ren <redacted> Add initial device tree for the Meta (Facebook) Darwin AST2600 BMC. Darwin is Meta's rack switch platform with an AST2600 BMC integrated for health monitoring purpose. Signed-off-by: Tao Ren <redacted> --- Changes in v4: - None. Changes in v3: - Removed flash layout (use the "default" in common.dtsi). Changes in v2: - Removed mac3 controller. - Fixed DTB warnings. arch/arm/boot/dts/aspeed/Makefile | 1 + .../dts/aspeed/aspeed-bmc-facebook-darwin.dts | 72 +++++++++++++++++++ 2 files changed, 73 insertions(+) create mode 100644 arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-darwin.dts
diff --git a/arch/arm/boot/dts/aspeed/Makefile b/arch/arm/boot/dts/aspeed/Makefile
index f6e714b7db2d..dce32ee0ace7 100644
--- a/arch/arm/boot/dts/aspeed/Makefile
+++ b/arch/arm/boot/dts/aspeed/Makefile@@ -20,6 +20,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \ aspeed-bmc-facebook-bletchley.dtb \ aspeed-bmc-facebook-catalina.dtb \ aspeed-bmc-facebook-cmm.dtb \ + aspeed-bmc-facebook-darwin.dtb \ aspeed-bmc-facebook-elbert.dtb \ aspeed-bmc-facebook-fuji-data64.dtb \ aspeed-bmc-facebook-fuji.dtb \
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-darwin.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-darwin.dts
new file mode 100644
index 000000000000..58c107a1b6cf
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-darwin.dts@@ -0,0 +1,72 @@ +// SPDX-License-Identifier: GPL-2.0+ +// Copyright (c) 2021 Facebook Inc. + +/dts-v1/; + +#include "ast2600-facebook-netbmc-common.dtsi" + +/ { + model = "Facebook Darwin BMC"; + compatible = "facebook,darwin-bmc", "aspeed,ast2600"; + + aliases { + serial0 = &uart5; + serial1 = &uart1; + serial2 = &uart2; + serial3 = &uart3; + }; + + chosen { + stdout-path = &uart5; + }; + + 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 1>, <&adc1 2>, <&adc1 3>, + <&adc1 4>, <&adc1 5>, <&adc1 6>, <&adc1 7>; + }; + + spi_gpio: spi { + num-chipselects = <1>; + cs-gpios = <&gpio0 ASPEED_GPIO(X, 0) GPIO_ACTIVE_LOW>; + }; +}; + +&i2c0 { + eeprom@50 { + compatible = "atmel,24c512"; + reg = <0x50>; + }; +}; + +&adc0 { + 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 { + status = "okay"; + + pinctrl-0 = <&pinctrl_adc8_default &pinctrl_adc9_default + &pinctrl_adc10_default &pinctrl_adc11_default + &pinctrl_adc12_default &pinctrl_adc13_default + &pinctrl_adc14_default &pinctrl_adc15_default>; +}; + +&emmc_controller { + status = "okay"; +}; + +&emmc { + status = "okay"; + + non-removable; + max-frequency = <25000000>; + bus-width = <4>; +};
--
2.47.3