Documentation/devicetree/bindings/clock/qcom,videocc.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/clock/qcom,videocc.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm Video Clock & Reset Controller
   8
   9 maintainers:
  10   - Taniya Das <quic_tdas@quicinc.com>
  11
  12 description: |
  13   Qualcomm video clock control module provides the clocks, resets and power
  14   domains on Qualcomm SoCs.
  15
  16   See also::
  17     include/dt-bindings/clock/qcom,videocc-sc7180.h
  18     include/dt-bindings/clock/qcom,videocc-sc7280.h
  19     include/dt-bindings/clock/qcom,videocc-sdm845.h
  20     include/dt-bindings/clock/qcom,videocc-sm8150.h
  21     include/dt-bindings/clock/qcom,videocc-sm8250.h
  22
  23 properties:
  24   compatible:
  25     enum:
  26       - qcom,sc7180-videocc
  27       - qcom,sc7280-videocc
  28       - qcom,sdm845-videocc
  29       - qcom,sm8150-videocc
  30       - qcom,sm8250-videocc
  31
  32   clocks:
  33     minItems: 1
  34     maxItems: 3
  35
  36   clock-names:
  37     minItems: 1
  38     maxItems: 3
  39
  40   '#clock-cells':
  41     const: 1
  42
  43   '#reset-cells':
  44     const: 1
  45
  46   '#power-domain-cells':
  47     const: 1
  48
  49   reg:
  50     maxItems: 1
  51
  52   power-domains:
  53     description:
  54       A phandle and PM domain specifier for the MMCX power domain.
  55     maxItems: 1
  56
  57   required-opps:
  58     description:
  59       A phandle to an OPP node describing required MMCX performance point.
  60     maxItems: 1
  61
  62 required:
  63   - compatible
  64   - reg
  65   - clocks
  66   - clock-names
  67   - '#clock-cells'
  68   - '#reset-cells'
  69   - '#power-domain-cells'
  70
  71 allOf:
  72   - if:
  73       properties:
  74         compatible:
  75           enum:
  76             - qcom,sc7180-videocc
  77             - qcom,sdm845-videocc
  78             - qcom,sm8150-videocc
  79     then:
  80       properties:
  81         clocks:
  82           items:
  83             - description: Board XO source
  84         clock-names:
  85           items:
  86             - const: bi_tcxo
  87
  88   - if:
  89       properties:
  90         compatible:
  91           enum:
  92             - qcom,sc7280-videocc
  93     then:
  94       properties:
  95         clocks:
  96           items:
  97             - description: Board XO source
  98             - description: Board active XO source
  99         clock-names:
 100           items:
 101             - const: bi_tcxo
 102             - const: bi_tcxo_ao
 103
 104   - if:
 105       properties:
 106         compatible:
 107           enum:
 108             - qcom,sm8250-videocc
 109     then:
 110       properties:
 111         clocks:
 112           items:
 113             - description: AHB
 114             - description: Board XO source
 115             - description: Board active XO source
 116         clock-names:
 117           items:
 118             - const: iface
 119             - const: bi_tcxo
 120             - const: bi_tcxo_ao
 121
 122 additionalProperties: false
 123
 124 examples:
 125   - |
 126     #include <dt-bindings/clock/qcom,rpmh.h>
 127     #include <dt-bindings/power/qcom,rpmhpd.h>
 128     clock-controller@ab00000 {
 129       compatible = "qcom,sdm845-videocc";
 130       reg = <0x0ab00000 0x10000>;
 131       clocks = <&rpmhcc RPMH_CXO_CLK>;
 132       clock-names = "bi_tcxo";
 133       #clock-cells = <1>;
 134       #reset-cells = <1>;
 135       #power-domain-cells = <1>;
 136       power-domains = <&rpmhpd RPMHPD_MMCX>;
 137       required-opps = <&rpmhpd_opp_low_svs>;
 138     };
 139 ...