linux-kernel - Re: [PATCH v2 2/2] arm64: dts: freescale: add phyGATE-Tauri i.MX 8M Mini Support

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Message-ID: <20231220092131.GA11402@wunner.de>
Date: Wed, 20 Dec 2023 10:21:31 +0100
From: Lukas Wunner <lukas@...ner.de>
To: Yannic Moog <Y.Moog@...tec.de>, Alexander Bauer <a.bauer@...tec.de>
Cc: "upstream@...ts.phytec.de" <upstream@...ts.phytec.de>,
	"kernel@...gutronix.de" <kernel@...gutronix.de>,
	"leoyang.li@....com" <leoyang.li@....com>,
	"s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
	"festevam@...il.com" <festevam@...il.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"shawnguo@...nel.org" <shawnguo@...nel.org>,
	"linux-imx@....com" <linux-imx@....com>,
	"linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"conor+dt@...nel.org" <conor+dt@...nel.org>,
	"krzysztof.kozlowski+dt@...aro.org" <krzysztof.kozlowski+dt@...aro.org>,
	"robh+dt@...nel.org" <robh+dt@...nel.org>,
	Teresa Remmet <T.Remmet@...tec.de>
Subject: Re: [PATCH v2 2/2] arm64: dts: freescale: add phyGATE-Tauri i.MX 8M
 Mini Support

On Wed, Dec 20, 2023 at 07:56:11AM +0000, Yannic Moog wrote:
> On Wed, 2023-12-20 at 08:49 +0100, Lukas Wunner wrote:
> > On Mon, Sep 25, 2023 at 09:25:19AM +0200, Yannic Moog wrote:
> > > phyGATE-Tauri uses a phyCORE-i.MX8MM SoM. Add device tree for the board.
> > [...]
> > > +	tpm: tpm@1 {
> > > +		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".
> 
> TPM SLB 9670 is used on the board. Thank you for highlighting this.

Thanks Yannic, I've added this to my fixups to avoid TPM warnings with
"make dtbs_check", they will be submitted it in the near future.

One more question, I assume the TPM mentioned in

  arch/arm/boot/dts/imx6ull-phytec-tauri.dtsi

and introduced by

  commit 0b08af343ab0 ("ARM: dts: imx6ull: Add support for PHYTEC
  phyGATE-Tauri-S with i.MX 6ULL")

is likewise an Infineon SLB9670? (cc += Alexander)

Thanks,

Lukas