Documentation/devicetree/bindings/interconnect/qcom,sm6115.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,sm6115.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm SM6115 Network-On-Chip interconnect
   8
   9 maintainers:
  10   - Konrad Dybcio <konradybcio@kernel.org>
  11
  12 description:
  13   The Qualcomm SM6115 interconnect providers support adjusting the
  14   bandwidth requirements between the various NoC fabrics.
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - qcom,sm6115-bimc
  20       - qcom,sm6115-cnoc
  21       - qcom,sm6115-snoc
  22
  23   reg:
  24     maxItems: 1
  25
  26   clocks:
  27     minItems: 1
  28     maxItems: 4
  29
  30   clock-names:
  31     minItems: 1
  32     maxItems: 4
  33
  34 # Child node's properties
  35 patternProperties:
  36   '^interconnect-[a-z0-9]+$':
  37     type: object
  38     description:
  39       The interconnect providers do not have a separate QoS register space,
  40       but share parent's space.
  41
  42     $ref: qcom,rpm-common.yaml#
  43
  44     properties:
  45       compatible:
  46         enum:
  47           - qcom,sm6115-clk-virt
  48           - qcom,sm6115-mmrt-virt
  49           - qcom,sm6115-mmnrt-virt
  50
  51     required:
  52       - compatible
  53
  54     unevaluatedProperties: false
  55
  56 required:
  57   - compatible
  58   - reg
  59
  60 allOf:
  61   - $ref: qcom,rpm-common.yaml#
  62   - if:
  63       properties:
  64         compatible:
  65           const: qcom,sm6115-cnoc
  66
  67     then:
  68       properties:
  69         clocks:
  70           items:
  71             - description: USB-NoC AXI clock
  72
  73         clock-names:
  74           items:
  75             - const: usb_axi
  76
  77   - if:
  78       properties:
  79         compatible:
  80           const: qcom,sm6115-snoc
  81
  82     then:
  83       properties:
  84         clocks:
  85           items:
  86             - description: CPU-NoC AXI clock.
  87             - description: UFS-NoC AXI clock.
  88             - description: USB-NoC AXI clock.
  89             - description: IPA clock.
  90
  91         clock-names:
  92           items:
  93             - const: cpu_axi
  94             - const: ufs_axi
  95             - const: usb_axi
  96             - const: ipa
  97
  98   - if:
  99       properties:
 100         compatible:
 101           enum:
 102             - qcom,sm6115-bimc
 103             - qcom,sm6115-clk-virt
 104             - qcom,sm6115-mmrt-virt
 105             - qcom,sm6115-mmnrt-virt
 106
 107     then:
 108       properties:
 109         clocks: false
 110         clock-names: false
 111
 112 unevaluatedProperties: false
 113
 114 examples:
 115   - |
 116     #include <dt-bindings/clock/qcom,gcc-sm6115.h>
 117     #include <dt-bindings/clock/qcom,rpmcc.h>
 118
 119     snoc: interconnect@1880000 {
 120         compatible = "qcom,sm6115-snoc";
 121         reg = <0x01880000 0x60200>;
 122         clocks = <&gcc GCC_SYS_NOC_CPUSS_AHB_CLK>,
 123                  <&gcc GCC_SYS_NOC_UFS_PHY_AXI_CLK>,
 124                  <&gcc GCC_SYS_NOC_USB3_PRIM_AXI_CLK>,
 125                  <&rpmcc RPM_SMD_IPA_CLK>;
 126         clock-names = "cpu_axi",
 127                       "ufs_axi",
 128                       "usb_axi",
 129                       "ipa";
 130         #interconnect-cells = <1>;
 131
 132         qup_virt: interconnect-clk {
 133             compatible = "qcom,sm6115-clk-virt";
 134             #interconnect-cells = <1>;
 135         };
 136
 137         mmnrt_virt: interconnect-mmnrt {
 138             compatible = "qcom,sm6115-mmnrt-virt";
 139             #interconnect-cells = <1>;
 140         };
 141
 142         mmrt_virt: interconnect-mmrt {
 143             compatible = "qcom,sm6115-mmrt-virt";
 144             #interconnect-cells = <1>;
 145         };
 146     };
 147
 148     cnoc: interconnect@1900000 {
 149         compatible = "qcom,sm6115-cnoc";
 150         reg = <0x01900000 0x8200>;
 151         #interconnect-cells = <1>;
 152     };