Add documentation for virtual rpmh devices. These interconnects are not controlled by the application processor and thus require separate bindings. Also, move compatibles for sm8450 to this document and add them for QDU1000/QRU1000 platforms. Signed-off-by: Melody Olvera <quic_molvera@xxxxxxxxxxx> --- .../bindings/interconnect/qcom,rpmh-virt.yaml | 55 +++++++++++++++++++ .../bindings/interconnect/qcom,rpmh.yaml | 2 - 2 files changed, 55 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/interconnect/qcom,rpmh-virt.yaml diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpmh-virt.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpmh-virt.yaml new file mode 100644 index 000000000000..5cbaa51df863 --- /dev/null +++ b/Documentation/devicetree/bindings/interconnect/qcom,rpmh-virt.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interconnect/qcom,rpmh-virt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm RPMh Virtual Network-On-Chip Interconnect + +maintainers: + - Georgi Djakov <georgi.djakov@xxxxxxxxxx> + - Odelu Kukatla <quic_okukatla@xxxxxxxxxxx> + +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. Virtual interconnect providers are not + controlled by AP and do not support QoS; they should not have associated + register regions. + +allOf: + - $ref: qcom,rpmh-common.yaml# + +properties: + compatible: + enum: + - qcom,qdu1000-clk-virt + - qcom,qdu1000-mc-virt + - qcom,sm8450-clk-virt + - qcom,sm8450-mc-virt + + '#interconnect-cells': true + +required: + - compatible + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interconnect/qcom,sm8450.h> + + clk_virt: interconnect-0 { + compatible = "qcom,sm8450-clk-virt"; + #interconnect-cells = <2>; + qcom,bcm-voters = <&apps_bcm_voter>; + }; + + mc_virt: interconnect-1 { + compatible = "qcom,sm8450-mc-virt"; + #interconnect-cells = <2>; + qcom,bcm-voters = <&apps_bcm_voter>; + }; diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml index a429a1ed1006..bd474f49deb0 100644 --- a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml +++ b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml @@ -123,11 +123,9 @@ properties: - qcom,sm8350-system-noc - qcom,sm8450-aggre1-noc - qcom,sm8450-aggre2-noc - - qcom,sm8450-clk-virt - qcom,sm8450-config-noc - qcom,sm8450-gem-noc - qcom,sm8450-lpass-ag-noc - - qcom,sm8450-mc-virt - qcom,sm8450-mmss-noc - qcom,sm8450-nsp-noc - qcom,sm8450-pcie-anoc -- 2.38.1
