Documentation/devicetree/bindings/interconnect/qcom,rpm.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/interconnect/qcom,rpm.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm RPM Network-On-Chip Interconnect
   8
   9 maintainers:
  10   - Georgi Djakov <georgi.djakov@linaro.org>
  11
  12 description: |
  13   RPM interconnect providers support system bandwidth requirements through
  14   RPM processor. The provider is able to communicate with the RPM through
  15   the RPM shared memory device.
  16
  17 properties:
  18   reg:
  19     maxItems: 1
  20
  21   compatible:
  22     enum:
  23       - qcom,msm8916-bimc
  24       - qcom,msm8916-pcnoc
  25       - qcom,msm8916-snoc
  26       - qcom,msm8939-bimc
  27       - qcom,msm8939-pcnoc
  28       - qcom,msm8939-snoc
  29       - qcom,msm8939-snoc-mm
  30       - qcom,msm8996-a0noc
  31       - qcom,msm8996-a1noc
  32       - qcom,msm8996-a2noc
  33       - qcom,msm8996-bimc
  34       - qcom,msm8996-cnoc
  35       - qcom,msm8996-mnoc
  36       - qcom,msm8996-pnoc
  37       - qcom,msm8996-snoc
  38       - qcom,qcs404-bimc
  39       - qcom,qcs404-pcnoc
  40       - qcom,qcs404-snoc
  41       - qcom,sdm660-a2noc
  42       - qcom,sdm660-bimc
  43       - qcom,sdm660-cnoc
  44       - qcom,sdm660-gnoc
  45       - qcom,sdm660-mnoc
  46       - qcom,sdm660-snoc
  47
  48   '#interconnect-cells':
  49     const: 1
  50
  51   clocks:
  52     minItems: 2
  53     maxItems: 7
  54
  55   clock-names:
  56     minItems: 2
  57     maxItems: 7
  58
  59   power-domains:
  60     maxItems: 1
  61
  62 required:
  63   - compatible
  64   - reg
  65   - '#interconnect-cells'
  66   - clock-names
  67   - clocks
  68
  69 additionalProperties: false
  70
  71 allOf:
  72   - if:
  73       properties:
  74         compatible:
  75           contains:
  76             enum:
  77               - qcom,msm8916-bimc
  78               - qcom,msm8916-pcnoc
  79               - qcom,msm8916-snoc
  80               - qcom,msm8939-bimc
  81               - qcom,msm8939-pcnoc
  82               - qcom,msm8939-snoc
  83               - qcom,msm8939-snoc-mm
  84               - qcom,msm8996-a1noc
  85               - qcom,msm8996-a2noc
  86               - qcom,msm8996-bimc
  87               - qcom,msm8996-cnoc
  88               - qcom,msm8996-pnoc
  89               - qcom,msm8996-snoc
  90               - qcom,qcs404-bimc
  91               - qcom,qcs404-pcnoc
  92               - qcom,qcs404-snoc
  93               - qcom,sdm660-bimc
  94               - qcom,sdm660-cnoc
  95               - qcom,sdm660-gnoc
  96               - qcom,sdm660-snoc
  97
  98       then:
  99         properties:
 100           clock-names:
 101             items:
 102               - const: bus
 103               - const: bus_a
 104
 105           clocks:
 106             items:
 107               - description: Bus Clock
 108               - description: Bus A Clock
 109
 110   - if:
 111       properties:
 112         compatible:
 113           contains:
 114             enum:
 115               - qcom,msm8996-mnoc
 116               - qcom,sdm660-mnoc
 117
 118     then:
 119       properties:
 120         clock-names:
 121           items:
 122             - const: bus
 123             - const: bus_a
 124             - const: iface
 125
 126         clocks:
 127           items:
 128             - description: Bus Clock.
 129             - description: Bus A Clock.
 130             - description: CPU-NoC High-performance Bus Clock.
 131
 132   - if:
 133       properties:
 134         compatible:
 135           contains:
 136             enum:
 137               - qcom,msm8996-a0noc
 138
 139     then:
 140       properties:
 141         clock-names:
 142           items:
 143             - const: aggre0_snoc_axi
 144             - const: aggre0_cnoc_ahb
 145             - const: aggre0_noc_mpu_cfg
 146
 147         clocks:
 148           items:
 149             - description: Aggregate0 System NoC AXI Clock.
 150             - description: Aggregate0 Config NoC AHB Clock.
 151             - description: Aggregate0 NoC MPU Clock.
 152
 153       required:
 154         - power-domains
 155
 156   - if:
 157       properties:
 158         compatible:
 159           contains:
 160             enum:
 161               - qcom,sdm660-a2noc
 162
 163     then:
 164       properties:
 165         clock-names:
 166           items:
 167             - const: bus
 168             - const: bus_a
 169             - const: ipa
 170             - const: ufs_axi
 171             - const: aggre2_ufs_axi
 172             - const: aggre2_usb3_axi
 173             - const: cfg_noc_usb2_axi
 174
 175         clocks:
 176           items:
 177             - description: Bus Clock.
 178             - description: Bus A Clock.
 179             - description: IPA Clock.
 180             - description: UFS AXI Clock.
 181             - description: Aggregate2 UFS AXI Clock.
 182             - description: Aggregate2 USB3 AXI Clock.
 183             - description: Config NoC USB2 AXI Clock.
 184
 185 examples:
 186   - |
 187       #include <dt-bindings/clock/qcom,rpmcc.h>
 188
 189       bimc: interconnect@400000 {
 190               compatible = "qcom,msm8916-bimc";
 191               reg = <0x00400000 0x62000>;
 192               #interconnect-cells = <1>;
 193               clock-names = "bus", "bus_a";
 194               clocks = <&rpmcc RPM_SMD_BIMC_CLK>,
 195                        <&rpmcc RPM_SMD_BIMC_A_CLK>;
 196       };
 197
 198       pcnoc: interconnect@500000 {
 199               compatible = "qcom,msm8916-pcnoc";
 200               reg = <0x00500000 0x11000>;
 201               #interconnect-cells = <1>;
 202               clock-names = "bus", "bus_a";
 203               clocks = <&rpmcc RPM_SMD_PCNOC_CLK>,
 204                        <&rpmcc RPM_SMD_PCNOC_A_CLK>;
 205       };
 206
 207       snoc: interconnect@580000 {
 208               compatible = "qcom,msm8916-snoc";
 209               reg = <0x00580000 0x14000>;
 210               #interconnect-cells = <1>;
 211               clock-names = "bus", "bus_a";
 212               clocks = <&rpmcc RPM_SMD_SNOC_CLK>,
 213                        <&rpmcc RPM_SMD_SNOC_A_CLK>;
 214       };