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author | 2023-01-31 10:01:18 -0600 | |
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committer | 2023-01-31 10:01:18 -0600 | |
commit | ac4fdb86a010017571273c1ff3887330f7866741 (patch) | |
tree | 8fe789457db468928c4326dbf19285afbc1b1883 /Documentation/devicetree/bindings/interconnect | |
parent | arm64: dts: qcom: sm8350: Hook up DSI1 to MDP (diff) | |
parent | interconnect: qcom: Add QDU1000/QRU1000 interconnect driver (diff) | |
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Merge branch 'icc-qdu1000-immutable' of https://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc into HEAD
Merge DT binding to gain interconnect defines.
Diffstat (limited to 'Documentation/devicetree/bindings/interconnect')
-rw-r--r-- | Documentation/devicetree/bindings/interconnect/qcom,qdu1000-rpmh.yaml | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/interconnect/qcom,qdu1000-rpmh.yaml b/Documentation/devicetree/bindings/interconnect/qcom,qdu1000-rpmh.yaml new file mode 100644 index 000000000000..0070b0396e31 --- /dev/null +++ b/Documentation/devicetree/bindings/interconnect/qcom,qdu1000-rpmh.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interconnect/qcom,qdu1000-rpmh.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm RPMh Network-On-Chip Interconnect on QDU1000 + +maintainers: + - Georgi Djakov <djakov@kernel.org> + - Odelu Kukatla <quic_okukatla@quicinc.com> + +description: | + RPMh interconnect providers support system bandwidth requirements through + RPMh hardware accelerators known as Bus Clock Manager (BCM). The provider is + able to communicate with the BCM through the Resource State Coordinator (RSC) + associated with each execution environment. Provider nodes must point to at + least one RPMh device child node pertaining to their RSC and each provider + can map to multiple RPMh resources. + +properties: + compatible: + enum: + - qcom,qdu1000-clk-virt + - qcom,qdu1000-gem-noc + - qcom,qdu1000-mc-virt + - qcom,qdu1000-system-noc + + '#interconnect-cells': true + + reg: + maxItems: 1 + +allOf: + - $ref: qcom,rpmh-common.yaml# + - if: + properties: + compatible: + contains: + enum: + - qcom,qdu1000-clk-virt + - qcom,qdu1000-mc-virt + then: + properties: + reg: false + else: + required: + - reg + +required: + - compatible + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interconnect/qcom,qdu1000-rpmh.h> + + system_noc: interconnect@1640000 { + compatible = "qcom,qdu1000-system-noc"; + reg = <0x1640000 0x45080>; + #interconnect-cells = <2>; + qcom,bcm-voters = <&apps_bcm_voter>; + }; + + clk_virt: interconnect-0 { + compatible = "qcom,qdu1000-clk-virt"; + #interconnect-cells = <2>; + qcom,bcm-voters = <&apps_bcm_voter>; + }; |