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Commit d67fba66 authored by Amir Vajid's avatar Amir Vajid
Browse files

dt-bindings: devfreq: add support for L3 BW voting in devfreq_icc 

Update the devfreq_icc documentation to add support for L3 BW
voting devices which require an additional bus width property to
be defined.

Change-Id: Iec16c5f666b2643971d45cb48c97015407372853
parent 82e3f1c9

bindings/devfreq/devfreq_icc.txt

+9 −3
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ CPU, GPU) master port(s) to the slave (Eg: DDR) port(s). 
Required properties:

- compatible:		Must be "qcom,devfreq-icc" or "qcom,devfreq-icc-ddr"

			or "qcom,devfreq-icc-llcc" or "qcom,devfreq-icc-l3"

			or "qcom,devfreq-icc-l3bw"

- interconnects:	Pairs of phandles and interconnect provider specificers

			to denote the edge source and destination ports of the

			desired interconnect path.
@@ -16,12 +17,17 @@ Required properties: 
			requested from the device master port to the slave port.

			The list of values depend on the supported bus/slave

			frequencies and the bus width. Required for all devices

			except those compatible with "qcom,devfreq-icc-l3".

			except those compatible with "qcom,devfreq-icc-l3" or

			"qcom,devfreq-icc-l3bw".

- reg:			Physical base address and region size of the memory

			mapped registers containing the device's frequency

			table. Required for "qcom,devfreq-icc-l3" devices.

			table. Required for "qcom,devfreq-icc-l3" and

			"qcom,devfreq-icc-l3bw" devices.

- reg-names:		Name used for the above registers. Expected name is

			"ftbl-base". Required for "qcom,devfreq-icc-l3" devices.

			"ftbl-base". Required for "qcom,devfreq-icc-l3"

			and "qcom,devfreq-icc-l3bw" devices.

- qcom,bus-width:	Bus width of the interconnect path. Only required for

			"qcom,devfreq-icc-l3bw" devices.

Optional properties:

- qcom,active-only:	Indicates that the bandwidth votes need to be

			enforced only when the CPU subsystem is active.