nvidia,tegra20-csi.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/display/tegra/nvidia,tegra20-csi.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: NVIDIA Tegra20 CSI controller
  8
  9maintainers:
 10  - Svyatoslav Ryhel <clamor95@gmail.com>
 11
 12properties:
 13  compatible:
 14    enum:
 15      - nvidia,tegra20-csi
 16      - nvidia,tegra30-csi
 17
 18  reg:
 19    maxItems: 1
 20
 21  clocks:
 22    minItems: 1
 23    items:
 24      - description: module clock
 25      - description: PAD A clock
 26      - description: PAD B clock
 27
 28  clock-names:
 29    items:
 30      - const: csi
 31      - const: csia-pad
 32      - const: csib-pad
 33
 34  avdd-dsi-csi-supply:
 35    description: DSI/CSI power supply. Must supply 1.2 V.
 36
 37  power-domains:
 38    maxItems: 1
 39
 40  "#nvidia,mipi-calibrate-cells":
 41    description:
 42      The number of cells in a MIPI calibration specifier. Should be 1.
 43      The single cell specifies an id of the pad that need to be
 44      calibrated for a given device. Valid pad ids for receiver would be
 45      0 for CSI-A; 1 for CSI-B; 2 for DSI-A and 3 for DSI-B.
 46    $ref: /schemas/types.yaml#/definitions/uint32
 47    const: 1
 48
 49  "#address-cells":
 50    const: 1
 51
 52  "#size-cells":
 53    const: 0
 54
 55patternProperties:
 56  "^channel@[0-1]$":
 57    type: object
 58    description: channel 0 represents CSI-A and 1 represents CSI-B
 59    additionalProperties: false
 60
 61    properties:
 62      reg:
 63        maximum: 1
 64
 65      nvidia,mipi-calibrate:
 66        description: Should contain a phandle and a specifier specifying
 67          which pad is used by this CSI channel and needs to be calibrated.
 68        $ref: /schemas/types.yaml#/definitions/phandle-array
 69
 70      "#address-cells":
 71        const: 1
 72
 73      "#size-cells":
 74        const: 0
 75
 76      port@0:
 77        $ref: /schemas/graph.yaml#/$defs/port-base
 78        unevaluatedProperties: false
 79        description: port receiving the video stream from the sensor
 80
 81        properties:
 82          endpoint:
 83            $ref: /schemas/media/video-interfaces.yaml#
 84            unevaluatedProperties: false
 85
 86            required:
 87              - data-lanes
 88
 89      port@1:
 90        $ref: /schemas/graph.yaml#/properties/port
 91        description: port sending the video stream to the VI
 92
 93    required:
 94      - reg
 95      - "#address-cells"
 96      - "#size-cells"
 97      - port@0
 98      - port@1
 99
100allOf:
101  - if:
102      properties:
103        compatible:
104          contains:
105            enum:
106              - nvidia,tegra20-csi
107    then:
108      properties:
109        clocks:
110          maxItems: 1
111
112        clock-names: false
113
114  - if:
115      properties:
116        compatible:
117          contains:
118            enum:
119              - nvidia,tegra30-csi
120    then:
121      properties:
122        clocks:
123          minItems: 3
124
125        clock-names:
126          minItems: 3
127
128additionalProperties: false
129
130required:
131  - compatible
132  - reg
133  - clocks
134  - power-domains
135  - "#address-cells"
136  - "#size-cells"
137
138# see nvidia,tegra20-vi.yaml for an example