Re: [PATCH] ARM: dts: aspeed: Add device tree for Ampere's Mt. Jefferson BMC

[Andrew Jeffery <andrew@codeconstruct.com.au>]

Hi Chanh,

On Mon, 2024-10-14 at 09:05 -0500, Rob Herring (Arm) wrote:
> On Mon, 14 Oct 2024 10:50:31 +0000, Chanh Nguyen wrote:
> > The Mt. 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 <chanh@os.amperecomputing.com>
> > ---
> >  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.

*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.

Andrew