From mboxrd@z Thu Jan  1 00:00:00 1970
From: Miquel Raynal <miquel.raynal@bootlin.com>
Date: Mon, 18 Jun 2018 11:47:13 +0200
Subject: [U-Boot] tpm TIS TPMv2.0
In-Reply-To: <CD66EE5B80A65C4A89E8DE986277AC94200D7457@depoiy0mx08mbx2.emea.avnet.com>
References: <CD66EE5B80A65C4A89E8DE986277AC94200D1B9D@depoiy0mx08mbx2.emea.avnet.com>
 <20180618100500.41e32bc9@xps13>
 <CD66EE5B80A65C4A89E8DE986277AC94200D7293@depoiy0mx08mbx2.emea.avnet.com>
 <20180618104315.38274cab@xps13>
 <CD66EE5B80A65C4A89E8DE986277AC94200D73AA@depoiy0mx08mbx2.emea.avnet.com>
 <20180618112131.75e3dc5b@xps13>
 <CD66EE5B80A65C4A89E8DE986277AC94200D7414@depoiy0mx08mbx2.emea.avnet.com>
 <20180618113458.24303920@xps13>
 <CD66EE5B80A65C4A89E8DE986277AC94200D7457@depoiy0mx08mbx2.emea.avnet.com>
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To: u-boot@lists.denx.de

Hi Martin,

> > > Nevertheless one question: Why did you define another dts binding
> > > instead of using that one what is already available on the Linux
> > > kernel? There is "tcg,tpm_tis-spi"  already defined. =20
> >=20
> > I did not know this one, actually I mostly worked on U-Boot.
> >=20
> > However, this compatible is misleading as it does not make any differen=
ce
> > between v1.x and v2.0 specification. =20
>=20
> But on the other hand it would give us a chance to determine the version =
at=20
> runtime what could be beneficial for firmware updates. But this is a spec=
ial case.

We already discussed that point on the ML and decided to choose the
version at compile time. I did not have the firmware update case in
mind though.

Regards,
Miqu=C3=A8l