Re: [PATCH v2 1/2] dt-bindings: tpm-tis-mmio: add compatible string for SynQuacer TPM

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On Thu, 23 Jan 2020 at 13:22, Jarkko Sakkinen
<jarkko.sakkinen@xxxxxxxxxxxxxxx> wrote:
>
> On Tue, 2020-01-14 at 15:16 +0100, Ard Biesheuvel wrote:
> > Add a compatible string for the SynQuacer TPM to the binding for a
> > TPM exposed via a memory mapped TIS frame. The MMIO window behaves
> > slightly differently on this hardware, so it requires its own
> > identifier.
> >
> > Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> > Signed-off-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
> > ---
> >  Documentation/devicetree/bindings/security/tpm/tpm_tis_mmio.txt | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/Documentation/devicetree/bindings/security/tpm/tpm_tis_mmio.txt b/Documentation/devicetree/bindings/security/tpm/tpm_tis_mmio.txt
> > index 7c6304426da1..b604c8688dc8 100644
> > --- a/Documentation/devicetree/bindings/security/tpm/tpm_tis_mmio.txt
> > +++ b/Documentation/devicetree/bindings/security/tpm/tpm_tis_mmio.txt
> > @@ -12,6 +12,7 @@ Required properties:
> >  - compatible: should contain a string below for the chip, followed by
> >                "tcg,tpm-tis-mmio". Valid chip strings are:
> >                 * "atmel,at97sc3204"
> > +               * "socionext,synquacer-tpm-mmio"
> >  - reg: The location of the MMIO registers, should be at least 0x5000 bytes
> >  - interrupts: An optional interrupt indicating command completion.
> >
>
> Acked-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
>
> Someone else needs to give reviewed-by as I am not expert on DT bindings.
>

Cheers Jarko.

Rob's ack should be sufficient for this to go via another tree.

However, I am still waiting to hear back from Masahisa to confirm that
the SPI command sequencer approach works 100% on this hardware, so
shall we park these patches for the time being?

Thanks,
Ard.



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