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[76.133.73.115]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-315f54270a5sm18168323a91.25.2025.07.01.22.04.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Jul 2025 22:04:33 -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, Tao Ren Cc: Tao Ren Subject: [PATCH 5/5] ARM: dts: aspeed: Add Facebook Darwin (AST2600) BMC Date: Tue, 1 Jul 2025 22:04:16 -0700 Message-ID: <20250702050421.13729-6-rentao.bupt@gmail.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250702050421.13729-1-rentao.bupt@gmail.com> References: <20250702050421.13729-1-rentao.bupt@gmail.com> X-Mailing-List: linux-aspeed@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 --- arch/arm/boot/dts/aspeed/Makefile | 1 + .../dts/aspeed/aspeed-bmc-facebook-darwin.dts | 92 +++++++++++++++++++ 2 files changed, 93 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 2e5f4833a073..debbfc0151f8 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.dtb \ aspeed-bmc-facebook-galaxy100.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..f902230dada3 --- /dev/null +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-darwin.dts @@ -0,0 +1,92 @@ +// 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>; + }; +}; + +/* + * BMC's "mac3" controller is connected to BCM53134P's IMP_RGMII port + * directly (fixed link, no PHY in between). + * Note: BMC's "mdio0" controller is connected to BCM53134P's MDIO + * interface, and the MDIO channel will be enabled in dts later (when + * "bcm53xx" driver's probe failure is solved on the platform). + */ +&mac3 { + status = "okay"; + phy-mode = "rgmii"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_rgmii4_default>; + fixed-link { + speed = <1000>; + full-duplex; + }; +}; + +&i2c0 { + eeprom@50 { + compatible = "atmel,24c512"; + reg = <0x50>; + }; +}; + +&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_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>; +}; -- 2.47.1