diff --git a/bindings/arm/msm/msm_memory_dump.txt b/bindings/arm/msm/msm_memory_dump.txt new file mode 100644 index 00000000..c2bb7b3e --- /dev/null +++ b/bindings/arm/msm/msm_memory_dump.txt @@ -0,0 +1,32 @@ +Qualcomm Technologies Inc. memory dump driver + +QTI memory dump driver allows various client subsystems to register and +allocate respective dump regions. At the time of deadlocks or cpu hangs +these dump regions are captured to give a snapshot of the system at the +time of the crash. + +Required properties: + +-compatible: "qcom,mem-dump" +-memory-region: phandle to the CMA region. The size of the CMA region + should be greater than sum of size of all child nodes + to account for padding. + +If any child nodes exist the following property are required: + +-qcom,dump-size: The size of memory that needs to be allocated for the + particular node. +-qcom,dump-id: The ID within the data dump table where this entry needs + to be added. + +Example: + + mem_dump { + compatible = "qcom,mem-dump"; + memory-region = <&dump_mem>; + + rpmh_dump { + qcom,dump-size = <0x2000000>; + qcom,dump-id = <0xEC>; + }; + };