diff options
author | Georgi Djakov <djakov@kernel.org> | 2024-11-05 00:32:05 +0100 |
---|---|---|
committer | Georgi Djakov <djakov@kernel.org> | 2024-11-05 00:32:05 +0100 |
commit | b1fd28da86aae5d622ea95711cee8ede39f70369 (patch) | |
tree | 9be978b971942130e6e035b0b535df380f2ae427 /Documentation/devicetree | |
parent | Merge branch 'icc-qcs615' into icc-next (diff) | |
parent | interconnect: qcom: add support for SAR2130P (diff) | |
download | linux-b1fd28da86aae5d622ea95711cee8ede39f70369.tar.xz linux-b1fd28da86aae5d622ea95711cee8ede39f70369.zip |
Merge branch 'icc-sar2130p' into icc-next
Add driver for the network of connects present on the SAR2130P platform.
* icc-sar2130p
dt-bindings: interconnect: qcom: document SAR2130P NoC
interconnect: qcom: add support for SAR2130P
Link: https://lore.kernel.org/r/20241018-sar2130p-icc-v2-0-c58c73dcd19d@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r-- | Documentation/devicetree/bindings/interconnect/qcom,sar2130p-rpmh.yaml | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/interconnect/qcom,sar2130p-rpmh.yaml b/Documentation/devicetree/bindings/interconnect/qcom,sar2130p-rpmh.yaml new file mode 100644 index 000000000000..4647dac740e9 --- /dev/null +++ b/Documentation/devicetree/bindings/interconnect/qcom,sar2130p-rpmh.yaml @@ -0,0 +1,117 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interconnect/qcom,sar2130p-rpmh.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm RPMh Network-On-Chip Interconnect on SAR2130P + +maintainers: + - Dmitry Baryshkov <dmitry.baryshkov@linaro.org> + - Georgi Djakov <djakov@kernel.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. + + See also:: include/dt-bindings/interconnect/qcom,sar2130p-rpmh.h + +properties: + compatible: + enum: + - qcom,sar2130p-clk-virt + - qcom,sar2130p-config-noc + - qcom,sar2130p-gem-noc + - qcom,sar2130p-lpass-ag-noc + - qcom,sar2130p-mc-virt + - qcom,sar2130p-mmss-noc + - qcom,sar2130p-nsp-noc + - qcom,sar2130p-pcie-anoc + - qcom,sar2130p-system-noc + + reg: + maxItems: 1 + + clocks: + minItems: 1 + maxItems: 2 + +required: + - compatible + +allOf: + - $ref: qcom,rpmh-common.yaml# + - if: + properties: + compatible: + contains: + enum: + - qcom,sar2130p-clk-virt + - qcom,sar2130p-mc-virt + then: + properties: + reg: false + else: + required: + - reg + + - if: + properties: + compatible: + contains: + enum: + - qcom,sar2130p-pcie-anoc + then: + properties: + clocks: + items: + - description: aggre-NOC PCIe AXI clock + - description: cfg-NOC PCIe a-NOC AHB clock + + - if: + properties: + compatible: + contains: + enum: + - qcom,sar2130p-system-noc + then: + properties: + clocks: + items: + - description: aggre USB3 PRIM AXI clock + + - if: + properties: + compatible: + contains: + enum: + - qcom,sar2130p-system-noc + - qcom,sar2130p-pcie-anoc + then: + required: + - clocks + else: + properties: + clocks: false + +unevaluatedProperties: false + +examples: + - | + clk_virt: interconnect-0 { + compatible = "qcom,sar2130p-clk-virt"; + #interconnect-cells = <2>; + qcom,bcm-voters = <&apps_bcm_voter>; + }; + + aggre1_noc: interconnect@1680000 { + compatible = "qcom,sar2130p-system-noc"; + reg = <0x01680000 0x29080>; + #interconnect-cells = <2>; + clocks = <&gcc_prim_axi_clk>; + qcom,bcm-voters = <&apps_bcm_voter>; + }; |