brcm,bcm2835-hvs.yaml

  1# SPDX-License-Identifier: GPL-2.0
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/display/brcm,bcm2835-hvs.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Broadcom VC4 (VideoCore4) Hardware Video Scaler
  8
  9maintainers:
 10  - Eric Anholt <eric@anholt.net>
 11
 12properties:
 13  compatible:
 14    enum:
 15      - brcm,bcm2711-hvs
 16      - brcm,bcm2712-hvs
 17      - brcm,bcm2835-hvs
 18
 19  reg:
 20    maxItems: 1
 21
 22  interrupts:
 23    minItems: 1
 24    maxItems: 3
 25
 26  interrupt-names:
 27    minItems: 1
 28    maxItems: 3
 29
 30  clocks:
 31    minItems: 1
 32    maxItems: 2
 33
 34  clock-names:
 35    minItems: 1
 36    maxItems: 2
 37
 38required:
 39  - compatible
 40  - reg
 41  - interrupts
 42
 43additionalProperties: false
 44
 45allOf:
 46  - if:
 47      properties:
 48        compatible:
 49          contains:
 50            const: brcm,bcm2711-hvs
 51
 52    then:
 53      properties:
 54        clocks:
 55          items:
 56            - description: Core Clock
 57        interrupts:
 58          maxItems: 1
 59        clock-names: false
 60        interrupt-names: false
 61
 62      required:
 63        - clocks
 64
 65  - if:
 66      properties:
 67        compatible:
 68          contains:
 69            const: brcm,bcm2712-hvs
 70
 71    then:
 72      properties:
 73        clocks:
 74          minItems: 2
 75          maxItems: 2
 76        clock-names:
 77          items:
 78            - const: core
 79            - const: disp
 80        interrupts:
 81          items:
 82            - description: Channel 0 End of frame
 83            - description: Channel 1 End of frame
 84            - description: Channel 2 End of frame
 85        interrupt-names:
 86          items:
 87            - const: ch0-eof
 88            - const: ch1-eof
 89            - const: ch2-eof
 90      required:
 91        - clocks
 92        - clock-names
 93        - interrupt-names
 94
 95  - if:
 96      properties:
 97        compatible:
 98          contains:
 99            const: brcm,bcm2835-hvs
100
101    then:
102      properties:
103        interrupts:
104          maxItems: 1
105        clock-names: false
106        interrupt-names: false
107
108examples:
109  - |
110    hvs@7e400000 {
111        compatible = "brcm,bcm2835-hvs";
112        reg = <0x7e400000 0x6000>;
113        interrupts = <2 1>;
114    };
115
116...