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Jefferson BMC To: Andrew Jeffery , Chanh Nguyen Cc: "Rob Herring (Arm)" , Joel Stanley , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Khanh Pham , linux-arm-kernel@lists.infradead.org, Thang Nguyen , Krzysztof Kozlowski , Phong Vo , Conor Dooley , Rob Herring , OpenBMC Maillist , Open Source Submission , Quan Nguyen , linux-aspeed@lists.ozlabs.org References: <20241014105031.1963079-1-chanh@os.amperecomputing.com> <172891445289.1127319.4114892374425336022.robh@kernel.org> Content-Language: en-US From: Chanh Nguyen In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: CYXP220CA0007.NAMP220.PROD.OUTLOOK.COM (2603:10b6:930:ee::7) To BL3PR01MB7057.prod.exchangelabs.com (2603:10b6:208:35c::16) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL3PR01MB7057:EE_|SA6PR01MB8732:EE_ X-MS-Office365-Filtering-Correlation-Id: f335bdfd-c4a6-4a49-3dd2-08dcece421f5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|366016|1800799024; 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Jefferson BMC is an ASPEED AST2600-based BMC for the Mt. Jefferson >>> hardware reference platform with AmpereOne(TM)M processor. >>> >>> Signed-off-by: Chanh Nguyen >>> --- >>> arch/arm/boot/dts/aspeed/Makefile | 1 + >>> .../aspeed/aspeed-bmc-ampere-mtjefferson.dts | 646 ++++++++++++++++++ >>> 2 files changed, 647 insertions(+) >>> create mode 100644 arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtjefferson.dts >>> >> >> >> My bot found new DTB warnings on the .dts files added or changed in this >> series. >> >> Some warnings may be from an existing SoC .dtsi. Or perhaps the warnings >> are fixed by another series. Ultimately, it is up to the platform >> maintainer whether these warnings are acceptable or not. No need to reply >> unless the platform maintainer has comments. >> >> If you already ran DT checks and didn't see these error(s), then >> make sure dt-schema is up to date: >> >> pip3 install dtschema --upgrade >> >> >> New warnings running 'make CHECK_DTBS=y aspeed/aspeed-bmc-ampere-mtjefferson.dtb' for 20241014105031.1963079-1-chanh@os.amperecomputing.com: >> >> arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtjefferson.dtb: /: compatible: 'oneOf' conditional failed, one must be fixed: >> 'ampere,mtjefferson-bmc' is not one of ['delta,ahe50dc-bmc', 'facebook,galaxy100-bmc', 'facebook,wedge100-bmc', 'facebook,wedge40-bmc', 'microsoft,olympus-bmc', 'quanta,q71l-bmc', 'tyan,palmetto-bmc', 'yadro,vesnin-bmc'] >> 'ampere,mtjefferson-bmc' is not one of ['amd,daytonax-bmc', 'amd,ethanolx-bmc', 'ampere,mtjade-bmc', 'aspeed,ast2500-evb', 'asrock,e3c246d4i-bmc', 'asrock,e3c256d4i-bmc', 'asrock,romed8hm3-bmc', 'asrock,spc621d8hm3-bmc', 'asrock,x570d4u-bmc', 'bytedance,g220a-bmc', 'facebook,cmm-bmc', 'facebook,minipack-bmc', 'facebook,tiogapass-bmc', 'facebook,yamp-bmc', 'facebook,yosemitev2-bmc', 'facebook,wedge400-bmc', 'hxt,stardragon4800-rep2-bmc', 'ibm,mihawk-bmc', 'ibm,mowgli-bmc', 'ibm,romulus-bmc', 'ibm,swift-bmc', 'ibm,witherspoon-bmc', 'ingrasys,zaius-bmc', 'inspur,fp5280g2-bmc', 'inspur,nf5280m6-bmc', 'inspur,on5263m5-bmc', 'intel,s2600wf-bmc', 'inventec,lanyang-bmc', 'lenovo,hr630-bmc', 'lenovo,hr855xg2-bmc', 'portwell,neptune-bmc', 'qcom,centriq2400-rep-bmc', 'supermicro,x11spi-bmc', 'tyan,s7106-bmc', 'tyan,s8036-bmc', 'yadro,nicole-bmc', 'yadro,vegman-n110-bmc', 'yadro,vegman-rx20-bmc', 'yadro,vegman-sx20-bmc'] >> 'ampere,mtjefferson-bmc' is not one of ['ampere,mtmitchell-bmc', 'aspeed,ast2600-evb', 'aspeed,ast2600-evb-a1', 'asus,x4tf-bmc', 'facebook,bletchley-bmc', 'facebook,catalina-bmc', 'facebook,cloudripper-bmc', 'facebook,elbert-bmc', 'facebook,fuji-bmc', 'facebook,greatlakes-bmc', 'facebook,harma-bmc', 'facebook,minerva-cmc', 'facebook,yosemite4-bmc', 'ibm,blueridge-bmc', 'ibm,everest-bmc', 'ibm,fuji-bmc', 'ibm,rainier-bmc', 'ibm,system1-bmc', 'ibm,tacoma-bmc', 'inventec,starscream-bmc', 'inventec,transformer-bmc', 'jabil,rbp-bmc', 'qcom,dc-scm-v1-bmc', 'quanta,s6q-bmc', 'ufispace,ncplite-bmc'] >> 'aspeed,ast2400' was expected >> 'aspeed,ast2500' was expected >> from schema $id: http://devicetree.org/schemas/arm/aspeed/aspeed.yaml# >> > > This needs to be fixed as pointed out by Krzysztof. > Thank Andrew, I'll update that in patch v2 > *snip* > >> arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtjefferson.dtb: /ahb/apb/bus@1e78a000/i2c@180/i2c-mux@70/i2c@0/psu@58: failed to match any schema with compatible: ['pmbus'] >> arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtjefferson.dtb: /ahb/apb/bus@1e78a000/i2c@180/i2c-mux@70/i2c@0/psu@59: failed to match any schema with compatible: ['pmbus'] > > These two should also be fixed. The compatible must describe the > physical device, not the communication/application protocol. It may be > necessary to add a binding if there's not one already for the device. > Hi Andrew, My device is following the pmbus specification. So I'm using the generic pmbus driver (https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/drivers/hwmon/pmbus/pmbus.c#n237) to probe my device. In arch/arm/boot/dts/aspeed/ directory, many boards are also using this compatible to probe our devices. https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/arch/arm/boot/dts/aspeed/aspeed-bmc-lenovo-hr855xg2.dts#n219 https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/arch/arm/boot/dts/aspeed/aspeed-bmc-inventec-transformers.dts#n263 https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/arch/arm/boot/dts/aspeed/aspeed-bmc-tyan-s8036.dts#n260 Andrew, Recently I saw the ASPEED platform's maintainer accept the "pmbus" compatible with a warning log. You can see in the below list that patches were merged recently. https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=bb3776e564d2190db0ef45609e66f13c60ce5b48 https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=28cfb03afcb20a841e96e821ba20870a7c437034 https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=36d96827f480e90037d162098061333e279ea35f Regards, Chanh Ng > Andrew >