aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt')
-rw-r--r--Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt b/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt
index 8cb638b7e89c..85c8216fc335 100644
--- a/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt
+++ b/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt
@@ -8,6 +8,12 @@ Required properties:
the firmware event log
- linux,sml-size : size of the memory allocated for the firmware event log
+Optional properties:
+
+- powered-while-suspended: present when the TPM is left powered on between
+ suspend and resume (makes the suspend/resume
+ callbacks do nothing).
+
Example (for OpenPower Systems with Nuvoton TPM 2.0 on I2C)
----------------------------------------------------------