diff options
Diffstat (limited to 'dts/Bindings/interconnect/qcom,bcm-voter.yaml')
| -rw-r--r-- | dts/Bindings/interconnect/qcom,bcm-voter.yaml | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/dts/Bindings/interconnect/qcom,bcm-voter.yaml b/dts/Bindings/interconnect/qcom,bcm-voter.yaml index 5971fc1df0..e23df4836c 100644 --- a/dts/Bindings/interconnect/qcom,bcm-voter.yaml +++ b/dts/Bindings/interconnect/qcom,bcm-voter.yaml @@ -21,6 +21,23 @@ properties: enum: - qcom,bcm-voter + qcom,tcs-wait: + description: | + Optional mask of which TCSs (Triggered Command Sets) wait for completion + upon triggering. If not specified, then the AMC and WAKE sets wait for + completion. The mask bits are available in the QCOM_ICC_TAG_* defines. + + The AMC TCS is triggered immediately when icc_set_bw() is called. The + WAKE/SLEEP TCSs are triggered when the RSC transitions between active and + sleep modes. + + In most cases, it's necessary to wait in both the AMC and WAKE sets to + ensure resources are available before use. If a specific RSC and its use + cases can ensure sufficient delay by other means, then this can be + overridden to reduce latencies. + + $ref: /schemas/types.yaml#/definitions/uint32 + required: - compatible @@ -39,7 +56,10 @@ examples: # as defined in Documentation/devicetree/bindings/soc/qcom/rpmh-rsc.txt - | + #include <dt-bindings/interconnect/qcom,icc.h> + disp_bcm_voter: bcm_voter { compatible = "qcom,bcm-voter"; + qcom,tcs-wait = <QCOM_ICC_TAG_AMC>; }; ... |