1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/media/allwinner,sun6i-a31-isp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Allwinner A31 Image Signal Processor Driver (ISP)
8
9 maintainers:
10 - Paul Kocialkowski <paul.kocialkowski@bootlin.com>
11
12 properties:
13 compatible:
14 enum:
15 - allwinner,sun6i-a31-isp
16 - allwinner,sun8i-v3s-isp
17
18 reg:
19 maxItems: 1
20
21 interrupts:
22 maxItems: 1
23
24 clocks:
25 items:
26 - description: Bus Clock
27 - description: Module Clock
28 - description: DRAM Clock
29
30 clock-names:
31 items:
32 - const: bus
33 - const: mod
34 - const: ram
35
36 resets:
37 maxItems: 1
38
39 ports:
40 $ref: /schemas/graph.yaml#/properties/ports
41
42 properties:
43 port@0:
44 $ref: /schemas/graph.yaml#/properties/port
45 description: CSI0 input port
46
47 port@1:
48 $ref: /schemas/graph.yaml#/properties/port
49 description: CSI1 input port
50
51 if:
52 properties:
53 compatible:
54 contains:
55 enum:
56 - allwinner,sun8i-v3s-isp
57 then:
58 required:
59 - port@0
60
61 required:
62 - compatible
63 - reg
64 - interrupts
65 - clocks
66 - clock-names
67 - resets
68
69 additionalProperties: false
70
71 examples:
72 - |
73 #include <dt-bindings/interrupt-controller/arm-gic.h>
74 #include <dt-bindings/clock/sun8i-v3s-ccu.h>
75 #include <dt-bindings/reset/sun8i-v3s-ccu.h>
76
77 isp: isp@1cb8000 {
78 compatible = "allwinner,sun8i-v3s-isp";
79 reg = <0x01cb8000 0x1000>;
80 interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
81 clocks = <&ccu CLK_BUS_CSI>,
82 <&ccu CLK_CSI1_SCLK>,
83 <&ccu CLK_DRAM_CSI>;
84 clock-names = "bus", "mod", "ram";
85 resets = <&ccu RST_BUS_CSI>;
86
87 ports {
88 #address-cells = <1>;
89 #size-cells = <0>;
90
91 port@0 {
92 reg = <0>;
93
94 isp_in_csi0: endpoint {
95 remote-endpoint = <&csi0_out_isp>;
96 };
97 };
98 };
99 };
100
101 ...
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