| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/media/st,stm32-dcmi.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: STMicroelectronics STM32 Digital Camera Memory Interface (DCMI) |
| 8 | |
| 9 | maintainers: |
| 10 | - Hugues Fruchet <hugues.fruchet@foss.st.com> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | const: st,stm32-dcmi |
| 15 | |
| 16 | reg: |
| 17 | maxItems: 1 |
| 18 | |
| 19 | interrupts: |
| 20 | maxItems: 1 |
| 21 | |
| 22 | clocks: |
| 23 | maxItems: 1 |
| 24 | |
| 25 | clock-names: |
| 26 | items: |
| 27 | - const: mclk |
| 28 | |
| 29 | dmas: |
| 30 | maxItems: 1 |
| 31 | |
| 32 | dma-names: |
| 33 | items: |
| 34 | - const: tx |
| 35 | |
| 36 | resets: |
| 37 | maxItems: 1 |
| 38 | |
| 39 | port: |
| 40 | $ref: /schemas/graph.yaml#/$defs/port-base |
| 41 | unevaluatedProperties: false |
| 42 | description: |
| 43 | DCMI supports a single port node with parallel bus. |
| 44 | |
| 45 | properties: |
| 46 | endpoint: |
| 47 | $ref: video-interfaces.yaml# |
| 48 | unevaluatedProperties: false |
| 49 | |
| 50 | properties: |
| 51 | bus-type: |
| 52 | enum: [5, 6] |
| 53 | default: 5 |
| 54 | |
| 55 | bus-width: |
| 56 | enum: [8, 10, 12, 14] |
| 57 | default: 8 |
| 58 | |
| 59 | allOf: |
| 60 | - if: |
| 61 | properties: |
| 62 | bus-type: |
| 63 | const: 6 |
| 64 | |
| 65 | then: |
| 66 | properties: |
| 67 | hsync-active: false |
| 68 | vsync-active: false |
| 69 | bus-width: |
| 70 | enum: [8] |
| 71 | |
| 72 | required: |
| 73 | - bus-type |
| 74 | - pclk-sample |
| 75 | |
| 76 | required: |
| 77 | - compatible |
| 78 | - reg |
| 79 | - interrupts |
| 80 | - clocks |
| 81 | - clock-names |
| 82 | - resets |
| 83 | - dmas |
| 84 | - dma-names |
| 85 | - port |
| 86 | |
| 87 | additionalProperties: false |
| 88 | |
| 89 | examples: |
| 90 | - | |
| 91 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 92 | #include <dt-bindings/clock/stm32mp1-clks.h> |
| 93 | #include <dt-bindings/media/video-interfaces.h> |
| 94 | #include <dt-bindings/reset/stm32mp1-resets.h> |
| 95 | |
| 96 | dcmi: dcmi@4c006000 { |
| 97 | compatible = "st,stm32-dcmi"; |
| 98 | reg = <0x4c006000 0x400>; |
| 99 | interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>; |
| 100 | resets = <&rcc CAMITF_R>; |
| 101 | clocks = <&rcc DCMI>; |
| 102 | clock-names = "mclk"; |
| 103 | dmas = <&dmamux1 75 0x400 0x0d>; |
| 104 | dma-names = "tx"; |
| 105 | |
| 106 | port { |
| 107 | dcmi_0: endpoint { |
| 108 | remote-endpoint = <&ov5640_0>; |
| 109 | bus-type = <MEDIA_BUS_TYPE_PARALLEL>; |
| 110 | bus-width = <8>; |
| 111 | hsync-active = <0>; |
| 112 | vsync-active = <0>; |
| 113 | pclk-sample = <1>; |
| 114 | }; |
| 115 | }; |
| 116 | }; |
| 117 | |
| 118 | ... |