On Thu Jan 4, 2024 at 6:50 PM EET, Jarkko Sakkinen wrote:
> On Tue Jan 3, 2023 at 5:51 PM EET, Lukas Wunner wrote:
> > Commit 4f2a348aa365 ("arm64: dts: imx8mm-venice-gw73xx: add TPM device")
> > added a devicetree node for the Trusted Platform Module on certain
> > Gateworks boards.
> >
> > The commit only used the generic "tcg,tpm_tis-spi" compatible string,
> > but public documentation shows that the chip is an ATTPM20P from Atmel
> > (nowadays Microchip):
> > https://trac.gateworks.com/wiki/tpm
> >
> > Add the chip to the supported compatible strings of the TPM TIS SPI
> > schema.
> >
> > For reference, a datasheet is available at:
> > https://ww1.microchip.com/downloads/en/DeviceDoc/ATTPM20P-Trusted-Platform-Module-TPM-2.0-SPI-Interface-Summary-Data-Sheet-DS40002082A.pdf
> >
> > Signed-off-by: Lukas Wunner <lukas@xxxxxxxxx>
> > Cc: Tim Harvey <tharvey@xxxxxxxxxxxxx>
> > ---
> > This patch depends on the following series to consolidate TCG TIS bindings:
> > https://lore.kernel.org/all/cover.1702806810.git.lukas@xxxxxxxxx/
> >
> > Documentation/devicetree/bindings/tpm/tcg,tpm_tis-spi.yaml | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/Documentation/devicetree/bindings/tpm/tcg,tpm_tis-spi.yaml b/Documentation/devicetree/bindings/tpm/tcg,tpm_tis-spi.yaml
> > index c3413b4..6cb2de7 100644
> > --- a/Documentation/devicetree/bindings/tpm/tcg,tpm_tis-spi.yaml
> > +++ b/Documentation/devicetree/bindings/tpm/tcg,tpm_tis-spi.yaml
> > @@ -20,6 +20,7 @@ properties:
> > compatible:
> > items:
> > - enum:
> > + - atmel,attpm20p
> > - infineon,slb9670
> > - st,st33htpm-spi
> > - st,st33zp24-spi
>
> Acked-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
meant:
Reviewed-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
I can pick this if no objections.
BR, Jarkko
