allwinner,sun4i-a10-hdmi.yaml

  1# SPDX-License-Identifier: GPL-2.0
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/display/allwinner,sun4i-a10-hdmi.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Allwinner A10 HDMI Controller
  8
  9description: |
 10  The HDMI Encoder supports the HDMI video and audio outputs, and does
 11  CEC. It is one end of the pipeline.
 12
 13maintainers:
 14  - Chen-Yu Tsai <wens@csie.org>
 15  - Maxime Ripard <mripard@kernel.org>
 16
 17properties:
 18  compatible:
 19    oneOf:
 20      - const: allwinner,sun4i-a10-hdmi
 21      - const: allwinner,sun5i-a10s-hdmi
 22      - const: allwinner,sun6i-a31-hdmi
 23      - items:
 24          - const: allwinner,sun7i-a20-hdmi
 25          - const: allwinner,sun5i-a10s-hdmi
 26
 27  reg:
 28    maxItems: 1
 29
 30  interrupts:
 31    maxItems: 1
 32
 33  clocks:
 34    oneOf:
 35      - items:
 36          - description: The HDMI interface clock
 37          - description: The HDMI module clock
 38          - description: The first video PLL
 39          - description: The second video PLL
 40
 41      - items:
 42          - description: The HDMI interface clock
 43          - description: The HDMI module clock
 44          - description: The HDMI DDC clock
 45          - description: The first video PLL
 46          - description: The second video PLL
 47
 48  clock-names:
 49    oneOf:
 50      - items:
 51          - const: ahb
 52          - const: mod
 53          - const: pll-0
 54          - const: pll-1
 55
 56      - items:
 57          - const: ahb
 58          - const: mod
 59          - const: ddc
 60          - const: pll-0
 61          - const: pll-1
 62
 63  resets:
 64    maxItems: 1
 65
 66  dmas:
 67    items:
 68      - description: DDC Transmission DMA Channel
 69      - description: DDC Reception DMA Channel
 70      - description: Audio Transmission DMA Channel
 71
 72  dma-names:
 73    items:
 74      - const: ddc-tx
 75      - const: ddc-rx
 76      - const: audio-tx
 77
 78  ports:
 79    $ref: /schemas/graph.yaml#/properties/ports
 80
 81    properties:
 82      port@0:
 83        $ref: /schemas/graph.yaml#/properties/port
 84        description: |
 85          Input endpoints of the controller.
 86
 87      port@1:
 88        $ref: /schemas/graph.yaml#/properties/port
 89        description: |
 90          Output endpoints of the controller. Usually an HDMI
 91          connector.
 92
 93    required:
 94      - port@0
 95      - port@1
 96
 97required:
 98  - compatible
 99  - reg
100  - interrupts
101  - clocks
102  - clock-names
103  - dmas
104  - dma-names
105
106if:
107  properties:
108    compatible:
109      contains:
110        const: allwinner,sun6i-a31-hdmi
111
112then:
113  properties:
114    clocks:
115      minItems: 5
116
117    clock-names:
118      minItems: 5
119
120  required:
121    - resets
122
123additionalProperties: false
124
125examples:
126  - |
127    #include <dt-bindings/clock/sun4i-a10-ccu.h>
128    #include <dt-bindings/dma/sun4i-a10.h>
129    #include <dt-bindings/reset/sun4i-a10-ccu.h>
130
131    hdmi: hdmi@1c16000 {
132        compatible = "allwinner,sun4i-a10-hdmi";
133        reg = <0x01c16000 0x1000>;
134        interrupts = <58>;
135        clocks = <&ccu CLK_AHB_HDMI0>, <&ccu CLK_HDMI>,
136                 <&ccu CLK_PLL_VIDEO0_2X>,
137                 <&ccu CLK_PLL_VIDEO1_2X>;
138        clock-names = "ahb", "mod", "pll-0", "pll-1";
139        dmas = <&dma SUN4I_DMA_NORMAL 16>,
140               <&dma SUN4I_DMA_NORMAL 16>,
141               <&dma SUN4I_DMA_DEDICATED 24>;
142        dma-names = "ddc-tx", "ddc-rx", "audio-tx";
143
144        ports {
145            #address-cells = <1>;
146            #size-cells = <0>;
147
148            hdmi_in: port@0 {
149                #address-cells = <1>;
150                #size-cells = <0>;
151                reg = <0>;
152
153                hdmi_in_tcon0: endpoint@0 {
154                    reg = <0>;
155                    remote-endpoint = <&tcon0_out_hdmi>;
156                };
157
158                hdmi_in_tcon1: endpoint@1 {
159                    reg = <1>;
160                    remote-endpoint = <&tcon1_out_hdmi>;
161                };
162            };
163
164            hdmi_out: port@1 {
165                reg = <1>;
166            };
167        };
168    };
169
170...