diff mbox series

[3/7] dt-bindings: tpm: Add previously undocumented properties

Message ID 20220930165116.13329-4-Alexander.Steffen@infineon.com
State New
Headers show
Series Clean up TPM compatibles | expand

Commit Message

Alexander Steffen Sept. 30, 2022, 4:51 p.m. UTC 
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(+)
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Patch

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: