linux-kernel - Re: [PATCH v2 3/6] ARM: dts: aspeed: Common dtsi for Facebook AST2600 Network BMCs

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Date: Wed, 3 Jan 2024 13:45:02 +0100
From: Lukas Wunner <lukas@...ner.de>
To: Tao Ren <rentao.bupt@...il.com>
Cc: devicetree@...r.kernel.org, linux-aspeed@...ts.ozlabs.org,
	Andrew Jeffery <andrew@...id.au>, taoren@...com,
	openbmc@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	Rob Herring <robh+dt@...nel.org>, Joel Stanley <joel@....id.au>,
	linux-arm-kernel@...ts.infradead.org,
	Patrick Williams <patrick@...cx.xyz>
Subject: Re: [PATCH v2 3/6] ARM: dts: aspeed: Common dtsi for Facebook
 AST2600 Network BMCs

On Tue, Jan 02, 2024 at 04:11:28PM -0800, Tao Ren wrote:
> On Wed, Dec 20, 2023 at 09:14:02AM +0100, Lukas Wunner wrote:
> > On Thu, Aug 05, 2021 at 03:28:15PM -0700, rentao.bupt@...il.com wrote:
> > > This common descirption is included by all Facebook AST2600 Network BMC
> > > platforms to minimize duplicated device entries across Facebook Network
> > > BMC device trees.
> > [...]
> > > --- /dev/null
> > > +++ b/arch/arm/boot/dts/ast2600-facebook-netbmc-common.dtsi
> > [...]
> > > +		tpmdev@0 {
> > > +			compatible = "tcg,tpm_tis-spi";
> > 
> > What's the chip used on this board?  Going forward, the DT schema for TPMs
> > requires the exact chip name in addition to the generic "tcg,tpm_tis-spi".
> 
> Sorry about the late response. It's "infineon,slb9670", and I will
> submit a patch for fix it soon.

Thank you Tao and Patrick for the replies.  I've prepared two commits
to fix all violations of the TPM schema on this branch:

  https://github.com/l1k/linux/commits/tpm-dt3

The commits are named:

  e95bdbc arm64: dts: Fix TPM schema violations
  63e5dfd ARM: dts: Fix TPM schema violations

I've now amended the ARM commit to use "infineon,slb9670" for:

  arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-bletchley.dts
  arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400.dts
  arch/arm/boot/dts/aspeed/ast2600-facebook-netbmc-common.dtsi

I intend to submit the two commits once the TPM schema is applied
either to Jarkko's or Rob's tree:

  https://lore.kernel.org/all/20231220160422.GA282877-robh@kernel.org/

Thanks,

Lukas