diff options
| author | Luca Weiss <luca.weiss@fairphone.com> | 2022-05-25 16:43:58 +0200 |
|---|---|---|
| committer | Georgi Djakov <djakov@kernel.org> | 2022-06-20 13:26:02 +0200 |
| commit | 23c136bb3f916da4252c79dd4dce07ecbe8ea06e (patch) | |
| tree | f146166f28c477d3d94b6cbc89057cf3d8b32e97 /Documentation/devicetree/bindings/interconnect | |
| parent | interconnect: qcom: icc-rpmh: Support child NoC device probe (diff) | |
| download | linux-23c136bb3f916da4252c79dd4dce07ecbe8ea06e.tar.xz linux-23c136bb3f916da4252c79dd4dce07ecbe8ea06e.zip | |
dt-bindings: interconnect: qcom: Split out rpmh-common bindings
In preparation for the platforms, split out common definitions used in
rpmh-based interconnects.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220525144404.200390-3-luca.weiss@fairphone.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/interconnect')
| -rw-r--r-- | Documentation/devicetree/bindings/interconnect/qcom,rpmh-common.yaml | 43 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml | 22 |
2 files changed, 48 insertions, 17 deletions
diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpmh-common.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpmh-common.yaml new file mode 100644 index 000000000000..bbeb0541536b --- /dev/null +++ b/Documentation/devicetree/bindings/interconnect/qcom,rpmh-common.yaml @@ -0,0 +1,43 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interconnect/qcom,rpmh-common.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm RPMh Network-On-Chip Interconnect + +maintainers: + - Georgi Djakov <djakov@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + +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: + '#interconnect-cells': + enum: [ 1, 2 ] + + qcom,bcm-voters: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + maxItems: 1 + maxItems: 2 + description: + List of phandles to qcom,bcm-voter nodes that are required by + this interconnect to send RPMh commands. + + qcom,bcm-voter-names: + maxItems: 2 + description: + Names for each of the qcom,bcm-voters specified. + +required: + - '#interconnect-cells' + - qcom,bcm-voters + +additionalProperties: true diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml index 28b3516aa089..a429a1ed1006 100644 --- a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml +++ b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml @@ -18,6 +18,9 @@ description: | least one RPMh device child node pertaining to their RSC and each provider can map to multiple RPMh resources. +allOf: + - $ref: qcom,rpmh-common.yaml# + properties: reg: maxItems: 1 @@ -130,28 +133,13 @@ properties: - qcom,sm8450-pcie-anoc - qcom,sm8450-system-noc - '#interconnect-cells': - enum: [ 1, 2 ] - - qcom,bcm-voters: - $ref: /schemas/types.yaml#/definitions/phandle-array - items: - maxItems: 1 - description: | - List of phandles to qcom,bcm-voter nodes that are required by - this interconnect to send RPMh commands. - - qcom,bcm-voter-names: - description: | - Names for each of the qcom,bcm-voters specified. + '#interconnect-cells': true required: - compatible - reg - - '#interconnect-cells' - - qcom,bcm-voters -additionalProperties: false +unevaluatedProperties: false examples: - | |