@@ -59,18 +59,14 @@ SRAM and Shared Memory for SCPI
A small area of SRAM is reserved for SCPI communication between application
processors and SCP.
-Required properties:
-- compatible : should be "arm,juno-sram-ns" for Non-secure SRAM on Juno
-
-The rest of the properties should follow the generic mmio-sram description
-found in ../../sram/sram.txt
+The properties should follow the generic mmio-sram description found in [3]
Each sub-node represents the reserved area for SCPI.
Required sub-node properties:
- reg : The base offset and size of the reserved area with the SRAM
-- compatible : should be "arm,juno-scp-shmem" for Non-secure SRAM based
- shared memory on Juno platforms
+- compatible : should be "arm,scp-shmem" for Non-secure SRAM based
+ shared memory
Sensor bindings for the sensors based on SCPI Message Protocol
--------------------------------------------------------------
@@ -81,11 +77,9 @@ SCPI provides an API to access the various sensors on the SoC.
- #thermal-sensor-cells: should be set to 1. This property follows the
thermal device tree bindings[2].
- Valid cell values are raw identifiers (Sensor
- ID) as used by the firmware. Refer to
- platform documentation for your
- implementation for the IDs to use. For Juno
- R0 and Juno R1 refer to [3].
+ Valid cell values are raw identifiers (Sensor ID)
+ as used by the firmware. Refer to platform details
+ for your implementation for the IDs to use.
Power domain bindings for the power domains based on SCPI Message Protocol
------------------------------------------------------------
@@ -112,7 +106,7 @@ PM domain consumers
[0] http://infocenter.arm.com/help/topic/com.arm.doc.dui0922b/index.html
[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
[2] Documentation/devicetree/bindings/thermal/thermal.txt
-[3] http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0922b/apas03s22.html
+[3] Documentation/devicetree/bindings/sram/sram.txt
[4] Documentation/devicetree/bindings/power/power_domain.txt
Example:
new file mode 100644
@@ -0,0 +1,26 @@
+System Control and Power Interface (SCPI) Message Protocol
+(in addition to the standard binding in [0])
+
+Juno SRAM and Shared Memory for SCPI
+------------------------------------
+
+Required properties:
+- compatible : should be "arm,juno-sram-ns" for Non-secure SRAM
+
+Each sub-node represents the reserved area for SCPI.
+
+Required sub-node properties:
+- reg : The base offset and size of the reserved area with the SRAM
+- compatible : should be "arm,juno-scp-shmem" for Non-secure SRAM based
+ shared memory on Juno platforms
+
+Sensor bindings for the sensors based on SCPI Message Protocol
+--------------------------------------------------------------
+Required properties:
+- compatible : should be "arm,scpi-sensors".
+- #thermal-sensor-cells: should be set to 1.
+ For Juno R0 and Juno R1 refer to [1] for the
+ sensor identifiers
+
+[0] Documentation/devicetree/bindings/arm/arm,scpi.txt
+[1] http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0922b/apas03s22.html
Since SCPI is a generic protocol and the bindings are intended to be generic, we need to decouple all the platform specific binding details out of the generic bindings. This patch moves are the Juno platform specific details into a separate binding document. Cc: Rob Herring <robh+dt@kernel.org> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> --- Documentation/devicetree/bindings/arm/arm,scpi.txt | 20 ++++++----------- .../devicetree/bindings/arm/juno,scpi.txt | 26 ++++++++++++++++++++++ 2 files changed, 33 insertions(+), 13 deletions(-) create mode 100644 Documentation/devicetree/bindings/arm/juno,scpi.txt