diff options
Diffstat (limited to 'dts/Bindings/interconnect')
| -rw-r--r-- | dts/Bindings/interconnect/interconnect.txt | 24 | ||||
| -rw-r--r-- | dts/Bindings/interconnect/qcom,bcm-voter.yaml | 20 | ||||
| -rw-r--r-- | dts/Bindings/interconnect/qcom,osm-l3.yaml | 2 | ||||
| -rw-r--r-- | dts/Bindings/interconnect/qcom,rpmh.yaml (renamed from dts/Bindings/interconnect/qcom,sdm845.yaml) | 42 | ||||
| -rw-r--r-- | dts/Bindings/interconnect/qcom,sc7180.yaml | 85 |
5 files changed, 84 insertions, 89 deletions
diff --git a/dts/Bindings/interconnect/interconnect.txt b/dts/Bindings/interconnect/interconnect.txt index 6f5d23a605..138c544c8c 100644 --- a/dts/Bindings/interconnect/interconnect.txt +++ b/dts/Bindings/interconnect/interconnect.txt @@ -19,7 +19,8 @@ directly. Required properties: - compatible : contains the interconnect provider compatible string - #interconnect-cells : number of cells in a interconnect specifier needed to - encode the interconnect node id + encode the interconnect node id and optionally add a + path tag Example: @@ -44,6 +45,10 @@ components it has to interact with. Required properties: interconnects : Pairs of phandles and interconnect provider specifier to denote the edge source and destination ports of the interconnect path. + An optional path tag value could specified as additional argument + to both endpoints and in such cases, this information will be passed + to the interconnect framework to do aggregation based on the attached + tag. Optional properties: interconnect-names : List of interconnect path name strings sorted in the same @@ -62,3 +67,20 @@ Example: interconnects = <&pnoc MASTER_SDCC_1 &bimc SLAVE_EBI_CH0>; interconnect-names = "sdhc-mem"; }; + +Example with path tags: + + gnoc: interconnect@17900000 { + ... + interconnect-cells = <2>; + }; + + mnoc: interconnect@1380000 { + ... + interconnect-cells = <2>; + }; + + cpu@0 { + ... + interconnects = <&gnoc MASTER_APPSS_PROC 3 &mnoc SLAVE_EBI1 3>; + } 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. + + $ref: /schemas/types.yaml#/definitions/uint32 + required: - compatible @@ -39,7 +56,10 @@ examples: # as defined in Documentation/devicetree/bindings/soc/qcom/rpmh-rsc.txt - | + #include <dt-bindings/interconnect/qcom,icc.h> + disp_bcm_voter: bcm_voter { compatible = "qcom,bcm-voter"; + qcom,tcs-wait = <QCOM_ICC_TAG_AMC>; }; ... diff --git a/dts/Bindings/interconnect/qcom,osm-l3.yaml b/dts/Bindings/interconnect/qcom,osm-l3.yaml index 91f70c9067..d6a95c3cb2 100644 --- a/dts/Bindings/interconnect/qcom,osm-l3.yaml +++ b/dts/Bindings/interconnect/qcom,osm-l3.yaml @@ -19,6 +19,8 @@ properties: enum: - qcom,sc7180-osm-l3 - qcom,sdm845-osm-l3 + - qcom,sm8150-osm-l3 + - qcom,sm8250-epss-l3 reg: maxItems: 1 diff --git a/dts/Bindings/interconnect/qcom,sdm845.yaml b/dts/Bindings/interconnect/qcom,rpmh.yaml index dab17c0716..30c2a092d2 100644 --- a/dts/Bindings/interconnect/qcom,sdm845.yaml +++ b/dts/Bindings/interconnect/qcom,rpmh.yaml @@ -1,16 +1,17 @@ # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) %YAML 1.2 --- -$id: http://devicetree.org/schemas/interconnect/qcom,sdm845.yaml# +$id: http://devicetree.org/schemas/interconnect/qcom,rpmh.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Qualcomm SDM845 Network-On-Chip Interconnect +title: Qualcomm RPMh Network-On-Chip Interconnect maintainers: - Georgi Djakov <georgi.djakov@linaro.org> + - Odelu Kukatla <okukatla@codeaurora.org> description: | - SDM845 interconnect providers support system bandwidth requirements through + 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 @@ -23,6 +24,19 @@ properties: compatible: enum: + - qcom,sc7180-aggre1-noc + - qcom,sc7180-aggre2-noc + - qcom,sc7180-camnoc-virt + - qcom,sc7180-compute-noc + - qcom,sc7180-config-noc + - qcom,sc7180-dc-noc + - qcom,sc7180-gem-noc + - qcom,sc7180-ipa-virt + - qcom,sc7180-mc-virt + - qcom,sc7180-mmss-noc + - qcom,sc7180-npu-noc + - qcom,sc7180-qup-virt + - qcom,sc7180-system-noc - qcom,sdm845-aggre1-noc - qcom,sdm845-aggre2-noc - qcom,sdm845-config-noc @@ -31,6 +45,28 @@ properties: - qcom,sdm845-mem-noc - qcom,sdm845-mmss-noc - qcom,sdm845-system-noc + - qcom,sm8150-aggre1-noc + - qcom,sm8150-aggre2-noc + - qcom,sm8150-camnoc-noc + - qcom,sm8150-compute-noc + - qcom,sm8150-config-noc + - qcom,sm8150-dc-noc + - qcom,sm8150-gem-noc + - qcom,sm8150-ipa-virt + - qcom,sm8150-mc-virt + - qcom,sm8150-mmss-noc + - qcom,sm8150-system-noc + - qcom,sm8250-aggre1-noc + - qcom,sm8250-aggre2-noc + - qcom,sm8250-compute-noc + - qcom,sm8250-config-noc + - qcom,sm8250-dc-noc + - qcom,sm8250-gem-noc + - qcom,sm8250-ipa-virt + - qcom,sm8250-mc-virt + - qcom,sm8250-mmss-noc + - qcom,sm8250-npu-noc + - qcom,sm8250-system-noc '#interconnect-cells': const: 1 diff --git a/dts/Bindings/interconnect/qcom,sc7180.yaml b/dts/Bindings/interconnect/qcom,sc7180.yaml deleted file mode 100644 index 8659048f92..0000000000 --- a/dts/Bindings/interconnect/qcom,sc7180.yaml +++ /dev/null @@ -1,85 +0,0 @@ -# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) -%YAML 1.2 ---- -$id: http://devicetree.org/schemas/interconnect/qcom,sc7180.yaml# -$schema: http://devicetree.org/meta-schemas/core.yaml# - -title: Qualcomm SC7180 Network-On-Chip Interconnect - -maintainers: - - Odelu Kukatla <okukatla@codeaurora.org> - -description: | - SC7180 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: - reg: - maxItems: 1 - - compatible: - enum: - - qcom,sc7180-aggre1-noc - - qcom,sc7180-aggre2-noc - - qcom,sc7180-camnoc-virt - - qcom,sc7180-compute-noc - - qcom,sc7180-config-noc - - qcom,sc7180-dc-noc - - qcom,sc7180-gem-noc - - qcom,sc7180-ipa-virt - - qcom,sc7180-mc-virt - - qcom,sc7180-mmss-noc - - qcom,sc7180-npu-noc - - qcom,sc7180-qup-virt - - qcom,sc7180-system-noc - - '#interconnect-cells': - const: 1 - - qcom,bcm-voters: - $ref: /schemas/types.yaml#/definitions/phandle-array - description: | - List of phandles to qcom,bcm-voter nodes that are required by - this interconnect to send RPMh commands. - - qcom,bcm-voter-names: - $ref: /schemas/types.yaml#/definitions/string-array - description: | - Names for each of the qcom,bcm-voters specified. - -required: - - compatible - - reg - - '#interconnect-cells' - - qcom,bcm-voters - -additionalProperties: false - -examples: - - | - #include <dt-bindings/interconnect/qcom,sc7180.h> - - config_noc: interconnect@1500000 { - compatible = "qcom,sc7180-config-noc"; - reg = <0x01500000 0x28000>; - #interconnect-cells = <1>; - qcom,bcm-voters = <&apps_bcm_voter>; - }; - - system_noc: interconnect@1620000 { - compatible = "qcom,sc7180-system-noc"; - reg = <0x01620000 0x17080>; - #interconnect-cells = <1>; - qcom,bcm-voters = <&apps_bcm_voter>; - }; - - mmss_noc: interconnect@1740000 { - compatible = "qcom,sc7180-mmss-noc"; - reg = <0x01740000 0x1c100>; - #interconnect-cells = <1>; - qcom,bcm-voters = <&apps_bcm_voter>; - }; |