| * 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; |
| } |