android_kernel_samsung_msm8976/Documentation/devicetree/bindings/platform/msm/ssm.txt

31 lines
944 B
Plaintext

* Qualcomm Secure Service Module (SSM)
SSM provides an interface for OEM driver to communicate with Modem and
trustzone.
This module provides following features:
- Keyexchange between Modem and trustzone for encryption/Decryption
of mode information
- Interface to third party driver to send mode updates to modem
- Interface for loading the trustzone application
Required properties:
- compatible: Must be "qcom,ssm"
Optional properties:
- qcom,channel-name: Name of the SMD channel used for communication
between MODEM and SSM driver.
- qcom,need-keyexhg This property controls initial key exchange
between APPS(application processor) and MODEM.
If not mentioned the initial key exchange is
not required.
If this property is mentioned then it is mandatory
for modem to perform initial key exchange with APPS.
Example:
qcom,ssm {
compatible = "qcom,ssm";
qcom,channel-name = "SSM_RTR";
qcom,need-keyexhg;
}