remoteproc: qcom: add more help text qcom options

With these more help text added, hopefully it's easier to understand the
distinctions of these qcom remoteproc drivers.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20201217030400.6235-1-shawn.guo@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
index 9e7efe542f6903636fa7fce863d325df0d6bc0b9..bb31b115fdbd2b696610e5f5f89d8b0495b1bb4a 100644 (file)
--- a/drivers/remoteproc/Kconfig
+++ b/drivers/remoteproc/Kconfig
@@ -162,7 +162,9 @@ config QCOM_Q6V5_ADSP
        select QCOM_RPROC_COMMON
        help
          Say y here to support the Peripheral Image Loader
-         for the Qualcomm Technology Inc. ADSP remote processors.
+         for the non-TrustZone part of Qualcomm Technology Inc. ADSP and CDSP
+         remote processors. The TrustZone part is handled by QCOM_Q6V5_PAS
+         driver.
 
 config QCOM_Q6V5_MSS
        tristate "Qualcomm Hexagon V5 self-authenticating modem subsystem support"
@@ -179,7 +181,8 @@ config QCOM_Q6V5_MSS
        select QCOM_SCM
        help
          Say y here to support the Qualcomm self-authenticating modem
-         subsystem based on Hexagon V5.
+         subsystem based on Hexagon V5. The TrustZone based system is
+         handled by QCOM_Q6V5_PAS driver.
 
 config QCOM_Q6V5_PAS
        tristate "Qualcomm Hexagon v5 Peripheral Authentication Service support"
@@ -197,7 +200,9 @@ config QCOM_Q6V5_PAS
        help
          Say y here to support the TrustZone based Peripheral Image Loader
          for the Qualcomm Hexagon v5 based remote processors. This is commonly
-         used to control subsystems such as ADSP, Compute and Sensor.
+         used to control subsystems such as ADSP (Audio DSP),
+         CDSP (Compute DSP), MPSS (Modem Peripheral SubSystem), and
+         SLPI (Sensor Low Power Island).
 
 config QCOM_Q6V5_WCSS
        tristate "Qualcomm Hexagon based WCSS Peripheral Image Loader"
@@ -214,7 +219,8 @@ config QCOM_Q6V5_WCSS
        select QCOM_SCM
        help
          Say y here to support the Qualcomm Peripheral Image Loader for the
-         Hexagon V5 based WCSS remote processors.
+         Hexagon V5 based WCSS remote processors on e.g. IPQ8074.  This is
+         a non-TrustZone wireless subsystem.
 
 config QCOM_SYSMON
        tristate "Qualcomm sysmon driver"
@@ -243,8 +249,10 @@ config QCOM_WCNSS_PIL
        select QCOM_RPROC_COMMON
        select QCOM_SCM
        help
-         Say y here to support the Peripheral Image Loader for the Qualcomm
-         Wireless Connectivity Subsystem.
+         Say y here to support the Peripheral Image Loader for loading WCNSS
+         firmware and boot the core on e.g. MSM8974, MSM8916. The firmware is
+         verified and booted with the help of the Peripheral Authentication
+         System (PAS) in TrustZone.
 
 config ST_REMOTEPROC
        tristate "ST remoteproc support"