0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/media/st,stm32-dcmi.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: STMicroelectronics STM32 Digital Camera Memory Interface (DCMI) binding
0008
0009 maintainers:
0010 - Hugues Fruchet <hugues.fruchet@foss.st.com>
0011
0012 properties:
0013 compatible:
0014 const: st,stm32-dcmi
0015
0016 reg:
0017 maxItems: 1
0018
0019 interrupts:
0020 maxItems: 1
0021
0022 clocks:
0023 maxItems: 1
0024
0025 clock-names:
0026 items:
0027 - const: mclk
0028
0029 dmas:
0030 maxItems: 1
0031
0032 dma-names:
0033 items:
0034 - const: tx
0035
0036 resets:
0037 maxItems: 1
0038
0039 port:
0040 $ref: /schemas/graph.yaml#/$defs/port-base
0041 unevaluatedProperties: false
0042 description:
0043 DCMI supports a single port node with parallel bus.
0044
0045 properties:
0046 endpoint:
0047 $ref: video-interfaces.yaml#
0048 unevaluatedProperties: false
0049
0050 properties:
0051 bus-type:
0052 enum: [5, 6]
0053 default: 5
0054
0055 bus-width:
0056 enum: [8, 10, 12, 14]
0057 default: 8
0058
0059 allOf:
0060 - if:
0061 properties:
0062 bus-type:
0063 const: 6
0064
0065 then:
0066 properties:
0067 hsync-active: false
0068 vsync-active: false
0069 bus-width:
0070 enum: [8]
0071
0072 required:
0073 - bus-type
0074 - pclk-sample
0075
0076 required:
0077 - compatible
0078 - reg
0079 - interrupts
0080 - clocks
0081 - clock-names
0082 - resets
0083 - dmas
0084 - dma-names
0085 - port
0086
0087 additionalProperties: false
0088
0089 examples:
0090 - |
0091 #include <dt-bindings/interrupt-controller/arm-gic.h>
0092 #include <dt-bindings/clock/stm32mp1-clks.h>
0093 #include <dt-bindings/reset/stm32mp1-resets.h>
0094 dcmi: dcmi@4c006000 {
0095 compatible = "st,stm32-dcmi";
0096 reg = <0x4c006000 0x400>;
0097 interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
0098 resets = <&rcc CAMITF_R>;
0099 clocks = <&rcc DCMI>;
0100 clock-names = "mclk";
0101 dmas = <&dmamux1 75 0x400 0x0d>;
0102 dma-names = "tx";
0103
0104 port {
0105 dcmi_0: endpoint {
0106 remote-endpoint = <&ov5640_0>;
0107 bus-type = <5>;
0108 bus-width = <8>;
0109 hsync-active = <0>;
0110 vsync-active = <0>;
0111 pclk-sample = <1>;
0112 };
0113 };
0114 };
0115
0116 ...
