allwinner,sun8i-a83t-de2-mixer.yaml

  1# SPDX-License-Identifier: GPL-2.0
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/display/allwinner,sun8i-a83t-de2-mixer.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Allwinner Display Engine 2.0 Mixer
  8
  9maintainers:
 10  - Chen-Yu Tsai <wens@csie.org>
 11  - Maxime Ripard <mripard@kernel.org>
 12
 13properties:
 14  compatible:
 15    enum:
 16      - allwinner,sun8i-a83t-de2-mixer-0
 17      - allwinner,sun8i-a83t-de2-mixer-1
 18      - allwinner,sun8i-h3-de2-mixer-0
 19      - allwinner,sun8i-r40-de2-mixer-0
 20      - allwinner,sun8i-r40-de2-mixer-1
 21      - allwinner,sun8i-v3s-de2-mixer
 22      - allwinner,sun20i-d1-de2-mixer-0
 23      - allwinner,sun20i-d1-de2-mixer-1
 24      - allwinner,sun50i-a64-de2-mixer-0
 25      - allwinner,sun50i-a64-de2-mixer-1
 26      - allwinner,sun50i-h6-de3-mixer-0
 27      - allwinner,sun50i-h616-de33-mixer-0
 28
 29  reg: true
 30
 31  reg-names: true
 32
 33  clocks:
 34    items:
 35      - description: The mixer interface clock
 36      - description: The mixer module clock
 37
 38  clock-names:
 39    items:
 40      - const: bus
 41      - const: mod
 42
 43  iommus:
 44    maxItems: 1
 45
 46  resets:
 47    maxItems: 1
 48
 49  ports:
 50    $ref: /schemas/graph.yaml#/properties/ports
 51
 52    properties:
 53      port@0:
 54        $ref: /schemas/graph.yaml#/properties/port
 55        description: |
 56          Input endpoints of the controller.
 57
 58      port@1:
 59        $ref: /schemas/graph.yaml#/properties/port
 60        description: |
 61          Output endpoints of the controller.
 62
 63    required:
 64      - port@1
 65
 66allOf:
 67  - if:
 68      properties:
 69        compatible:
 70          contains:
 71            enum:
 72              - allwinner,sun50i-h616-de33-mixer-0
 73    then:
 74      properties:
 75        reg:
 76          description: |
 77            Registers for controlling individual layers of the display
 78            engine (layers), global control (top), and display blending
 79            control (display). Names are from Allwinner BSP kernel.
 80          maxItems: 3
 81        reg-names:
 82          items:
 83            - const: layers
 84            - const: top
 85            - const: display
 86      required:
 87        - reg-names
 88
 89    else:
 90      properties:
 91        reg:
 92          maxItems: 1
 93
 94required:
 95  - compatible
 96  - reg
 97  - clocks
 98  - clock-names
 99  - resets
100  - ports
101
102additionalProperties: false
103
104examples:
105  - |
106    #include <dt-bindings/clock/sun8i-de2.h>
107    #include <dt-bindings/reset/sun8i-de2.h>
108
109    mixer0: mixer@1100000 {
110        compatible = "allwinner,sun8i-a83t-de2-mixer-0";
111        reg = <0x01100000 0x100000>;
112        clocks = <&display_clocks CLK_BUS_MIXER0>,
113                 <&display_clocks CLK_MIXER0>;
114        clock-names = "bus",
115                      "mod";
116        resets = <&display_clocks RST_MIXER0>;
117
118        ports {
119            #address-cells = <1>;
120            #size-cells = <0>;
121
122            mixer0_out: port@1 {
123                #address-cells = <1>;
124                #size-cells = <0>;
125                reg = <1>;
126
127                mixer0_out_tcon0: endpoint@0 {
128                    reg = <0>;
129                    remote-endpoint = <&tcon0_in_mixer0>;
130                };
131
132                mixer0_out_tcon1: endpoint@1 {
133                    reg = <1>;
134                    remote-endpoint = <&tcon1_in_mixer0>;
135                };
136            };
137        };
138    };
139
140...