From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- .../bindings/interconnect/qcom,bcm-voter.yaml | 65 ++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml (limited to 'Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml') diff --git a/Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml b/Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml new file mode 100644 index 0000000000..eec987640b --- /dev/null +++ b/Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interconnect/qcom,bcm-voter.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm BCM-Voter Interconnect + +maintainers: + - Georgi Djakov + +description: | + The Bus Clock Manager (BCM) is a dedicated hardware accelerator that manages + shared system resources by aggregating requests from multiple Resource State + Coordinators (RSC). Interconnect providers are able to vote for aggregated + thresholds values from consumers by communicating through their respective + RSCs. + +properties: + compatible: + 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 + +additionalProperties: false + +examples: + # Example 1: apps bcm_voter on SDM845 SoC should be defined inside &apps_rsc node + # as defined in Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml + - | + + apps_bcm_voter: bcm-voter { + compatible = "qcom,bcm-voter"; + }; + + # Example 2: disp bcm_voter on SDM845 should be defined inside &disp_rsc node + # as defined in Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml + - | + + #include + + disp_bcm_voter: bcm-voter { + compatible = "qcom,bcm-voter"; + qcom,tcs-wait = ; + }; +... -- cgit v1.2.3