| Message ID | 20220930165116.13329-4-Alexander.Steffen@infineon.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Clean up TPM compatibles | expand |
On Fri, Sep 30, 2022 at 12:02 PM Alexander Steffen <Alexander.Steffen@infineon.com> wrote: > > TPM devices may use some more properties than previously allowed by > trivial-devices.yaml. Document those in trivial-tpms.yaml. > > Signed-off-by: Alexander Steffen <Alexander.Steffen@infineon.com> > --- > .../bindings/security/tpm/trivial-tpms.yaml | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) Adding these here means we would need to duplicate them for any device with its own schema file. You need a common TPM property schema which the specific TPM device schemas can reference. > > diff --git a/Documentation/devicetree/bindings/security/tpm/trivial-tpms.yaml b/Documentation/devicetree/bindings/security/tpm/trivial-tpms.yaml > index 2092341c6491..a9e2dd17b1ca 100644 > --- a/Documentation/devicetree/bindings/security/tpm/trivial-tpms.yaml > +++ b/Documentation/devicetree/bindings/security/tpm/trivial-tpms.yaml > @@ -25,6 +25,22 @@ properties: > > spi-max-frequency: true > > + linux,sml-base: > + $ref: /schemas/types.yaml#/definitions/uint64 > + description: | > + 64-bit base address of the reserved memory allocated for the firmware > + event log > + > + linux,sml-size: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: size of the memory allocated for the firmware event log > + > + powered-while-suspended: > + $ref: /schemas/types.yaml#/definitions/flag > + description: | > + Present when the TPM is left powered on between suspend and resume > + (makes the suspend/resume callbacks do nothing). > + > compatible: > contains: > enum: > -- > 2.25.1 >
On 01.10.22 00:20, Rob Herring wrote: > On Fri, Sep 30, 2022 at 12:02 PM Alexander Steffen > <Alexander.Steffen@infineon.com> wrote: >> >> TPM devices may use some more properties than previously allowed by >> trivial-devices.yaml. Document those in trivial-tpms.yaml. >> >> Signed-off-by: Alexander Steffen <Alexander.Steffen@infineon.com> >> --- >> .../bindings/security/tpm/trivial-tpms.yaml | 16 ++++++++++++++++ >> 1 file changed, 16 insertions(+) > > Adding these here means we would need to duplicate them for any device > with its own schema file. You need a common TPM property schema which > the specific TPM device schemas can reference. Good point, I'll create one. >> >> diff --git a/Documentation/devicetree/bindings/security/tpm/trivial-tpms.yaml b/Documentation/devicetree/bindings/security/tpm/trivial-tpms.yaml >> index 2092341c6491..a9e2dd17b1ca 100644 >> --- a/Documentation/devicetree/bindings/security/tpm/trivial-tpms.yaml >> +++ b/Documentation/devicetree/bindings/security/tpm/trivial-tpms.yaml >> @@ -25,6 +25,22 @@ properties: >> >> spi-max-frequency: true >> >> + linux,sml-base: >> + $ref: /schemas/types.yaml#/definitions/uint64 >> + description: | >> + 64-bit base address of the reserved memory allocated for the firmware >> + event log >> + >> + linux,sml-size: >> + $ref: /schemas/types.yaml#/definitions/uint32 >> + description: size of the memory allocated for the firmware event log >> + >> + powered-while-suspended: >> + $ref: /schemas/types.yaml#/definitions/flag >> + description: | >> + Present when the TPM is left powered on between suspend and resume >> + (makes the suspend/resume callbacks do nothing). >> + >> compatible: >> contains: >> enum: >> -- >> 2.25.1 >>
diff --git a/Documentation/devicetree/bindings/security/tpm/trivial-tpms.yaml b/Documentation/devicetree/bindings/security/tpm/trivial-tpms.yaml index 2092341c6491..a9e2dd17b1ca 100644 --- a/Documentation/devicetree/bindings/security/tpm/trivial-tpms.yaml +++ b/Documentation/devicetree/bindings/security/tpm/trivial-tpms.yaml @@ -25,6 +25,22 @@ properties: spi-max-frequency: true + linux,sml-base: + $ref: /schemas/types.yaml#/definitions/uint64 + description: | + 64-bit base address of the reserved memory allocated for the firmware + event log + + linux,sml-size: + $ref: /schemas/types.yaml#/definitions/uint32 + description: size of the memory allocated for the firmware event log + + powered-while-suspended: + $ref: /schemas/types.yaml#/definitions/flag + description: | + Present when the TPM is left powered on between suspend and resume + (makes the suspend/resume callbacks do nothing). + compatible: contains: enum:
TPM devices may use some more properties than previously allowed by trivial-devices.yaml. Document those in trivial-tpms.yaml. Signed-off-by: Alexander Steffen <Alexander.Steffen@infineon.com> --- .../bindings/security/tpm/trivial-tpms.yaml | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)