bindings/interconnect/qcom%2Cqcm2290.yaml

0001 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/interconnect/qcom,qcm2290.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Qualcomm QCM2290 Network-On-Chip interconnect
0008
0009 maintainers:
0010   - Shawn Guo <shawn.guo@linaro.org>
0011
0012 description: |
0013   The Qualcomm QCM2290 interconnect providers support adjusting the
0014   bandwidth requirements between the various NoC fabrics.
0015
0016 properties:
0017   reg:
0018     maxItems: 1
0019
0020   compatible:
0021     enum:
0022       - qcom,qcm2290-bimc
0023       - qcom,qcm2290-cnoc
0024       - qcom,qcm2290-snoc
0025
0026   '#interconnect-cells':
0027     const: 1
0028
0029   clock-names:
0030     items:
0031       - const: bus
0032       - const: bus_a
0033
0034   clocks:
0035     items:
0036       - description: Bus Clock
0037       - description: Bus A Clock
0038
0039 # Child node's properties
0040 patternProperties:
0041   '^interconnect-[a-z0-9]+$':
0042     type: object
0043     description:
0044       The interconnect providers do not have a separate QoS register space,
0045       but share parent's space.
0046
0047     properties:
0048       compatible:
0049         enum:
0050           - qcom,qcm2290-qup-virt
0051           - qcom,qcm2290-mmrt-virt
0052           - qcom,qcm2290-mmnrt-virt
0053
0054       '#interconnect-cells':
0055         const: 1
0056
0057       clock-names:
0058         items:
0059           - const: bus
0060           - const: bus_a
0061
0062       clocks:
0063         items:
0064           - description: Bus Clock
0065           - description: Bus A Clock
0066
0067     required:
0068       - compatible
0069       - '#interconnect-cells'
0070       - clock-names
0071       - clocks
0072
0073     additionalProperties: false
0074
0075 required:
0076   - compatible
0077   - reg
0078   - '#interconnect-cells'
0079   - clock-names
0080   - clocks
0081
0082 additionalProperties: false
0083
0084 examples:
0085   - |
0086     #include <dt-bindings/clock/qcom,rpmcc.h>
0087
0088     snoc: interconnect@1880000 {
0089         compatible = "qcom,qcm2290-snoc";
0090         reg = <0x01880000 0x60200>;
0091         #interconnect-cells = <1>;
0092         clock-names = "bus", "bus_a";
0093         clocks = <&rpmcc RPM_SMD_SNOC_CLK>,
0094                  <&rpmcc RPM_SMD_SNOC_A_CLK>;
0095
0096         qup_virt: interconnect-qup {
0097             compatible = "qcom,qcm2290-qup-virt";
0098             #interconnect-cells = <1>;
0099             clock-names = "bus", "bus_a";
0100             clocks = <&rpmcc RPM_SMD_QUP_CLK>,
0101                      <&rpmcc RPM_SMD_QUP_A_CLK>;
0102         };
0103
0104         mmnrt_virt: interconnect-mmnrt {
0105             compatible = "qcom,qcm2290-mmnrt-virt";
0106             #interconnect-cells = <1>;
0107             clock-names = "bus", "bus_a";
0108             clocks = <&rpmcc RPM_SMD_MMNRT_CLK>,
0109                      <&rpmcc RPM_SMD_MMNRT_A_CLK>;
0110         };
0111
0112         mmrt_virt: interconnect-mmrt {
0113             compatible = "qcom,qcm2290-mmrt-virt";
0114             #interconnect-cells = <1>;
0115             clock-names = "bus", "bus_a";
0116             clocks = <&rpmcc RPM_SMD_MMRT_CLK>,
0117                      <&rpmcc RPM_SMD_MMRT_A_CLK>;
0118         };
0119     };
0120
0121     cnoc: interconnect@1900000 {
0122         compatible = "qcom,qcm2290-cnoc";
0123         reg = <0x01900000 0x8200>;
0124         #interconnect-cells = <1>;
0125         clock-names = "bus", "bus_a";
0126         clocks = <&rpmcc RPM_SMD_CNOC_CLK>,
0127                  <&rpmcc RPM_SMD_CNOC_A_CLK>;
0128     };
0129
0130     bimc: interconnect@4480000 {
0131         compatible = "qcom,qcm2290-bimc";
0132         reg = <0x04480000 0x80000>;
0133         #interconnect-cells = <1>;
0134         clock-names = "bus", "bus_a";
0135         clocks = <&rpmcc RPM_SMD_BIMC_CLK>,
0136                  <&rpmcc RPM_SMD_BIMC_A_CLK>;
0137     };