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[76.133.73.115]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-23fbe514b59sm45091795ad.128.2025.07.27.22.56.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 27 Jul 2025 22:56:43 -0700 (PDT) From: rentao.bupt@gmail.com To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Joel Stanley , Andrew Jeffery , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, Andrew Lunn , Tao Ren Cc: Tao Ren Subject: [PATCH v4 13/13] ARM: dts: aspeed: Add Facebook Darwin (AST2600) BMC Date: Sun, 27 Jul 2025 22:56:15 -0700 Message-ID: <20250728055618.61616-14-rentao.bupt@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20250728055618.61616-1-rentao.bupt@gmail.com> References: <20250728055618.61616-1-rentao.bupt@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Tao Ren 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 --- 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/M= akefile 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) +=3D \ 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 =3D "Facebook Darwin BMC"; + compatible =3D "facebook,darwin-bmc", "aspeed,ast2600"; + + aliases { + serial0 =3D &uart5; + serial1 =3D &uart1; + serial2 =3D &uart2; + serial3 =3D &uart3; + }; + + chosen { + stdout-path =3D &uart5; + }; + + iio-hwmon { + compatible =3D "iio-hwmon"; + io-channels =3D <&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 =3D <1>; + cs-gpios =3D <&gpio0 ASPEED_GPIO(X, 0) GPIO_ACTIVE_LOW>; + }; +}; + +&i2c0 { + eeprom@50 { + compatible =3D "atmel,24c512"; + reg =3D <0x50>; + }; +}; + +&adc0 { + status =3D "okay"; + + pinctrl-0 =3D <&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 =3D "okay"; + + pinctrl-0 =3D <&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 =3D "okay"; +}; + +&emmc { + status =3D "okay"; + + non-removable; + max-frequency =3D <25000000>; + bus-width =3D <4>; +}; --=20 2.47.3