Merge tag 'scmi-updates-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into soc/drivers

Arm SCMI updates for v6.5

Couple of main additions :-

1. Support for multiple SMC/HVC transports for SCMI:

   Some platforms need to support multiple SCMI instances within
   a platform(more commonly in a VM). The same SMC/HVC FID is used with
   all the instances. The platform or the hypervisor needs a way to
   distinguish among SMC/HVC calls made from different instances.

   This change adds support for passing shmem channel address as the
   parameters in the SMC/HVC call. The address is split into 4KB-page
   and offset for simiplicity.

2. Addition od SCMI v3.2 explicit powercap enable/disable support:

   SCMI v3.2 specification introduces support to disable powercapping
   as a whole on the desired zones.

   This change adds the needed support to the core SCMI powercap protocol,
   exposing enable/disable protocol operations and then wiring up the new
   operartions in the related powercap framework helpers.

* tag 'scmi-updates-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  powercap: arm_scmi: Add support for disabling powercaps on a zone
  firmware: arm_scmi: Add Powercap protocol enable support
  firmware: arm_scmi: Refactor the internal powercap get/set helpers
  firmware: arm_scmi: Augment SMC/HVC to allow optional parameters
  dt-bindings: firmware: arm,scmi: support for parameter in smc/hvc call

Link: https://lore.kernel.org/r/20230612121017.4108104-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

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