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) binding
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/reset/stm32mp1-resets.h>
94 dcmi: dcmi@4c006000 {
95 compatible = "st,stm32-dcmi";
96 reg = <0x4c006000 0x400>;
97 interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
98 resets = <&rcc CAMITF_R>;
99 clocks = <&rcc DCMI>;
100 clock-names = "mclk";
101 dmas = <&dmamux1 75 0x400 0x0d>;
102 dma-names = "tx";
103
104 port {
105 dcmi_0: endpoint {
106 remote-endpoint = <&ov5640_0>;
107 bus-type = <5>;
108 bus-width = <8>;
109 hsync-active = <0>;
110 vsync-active = <0>;
111 pclk-sample = <1>;
112 };
113 };
114 };
115
116 ...
Cache object: 9d23f95d0a42d13068a9a3c3b5dd6835
|