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2021-07-11docs: Add device tree bindings for SBI PMU extensionAtish Patra
SBI PMU extension requires a firmware to be aware of the event to counter/mhpmevent mappings supported by the hardware. One approach is to encode that information in the device tree. Define a device tree binding that allows a hardware to describe all the PMU mappings required in concise format. Reviewed-by: Anup Patel <[email protected]> Signed-off-by: Atish Patra <[email protected]>