xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/media/allwinner,sun6i-a31-csi.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Allwinner A31 CMOS Sensor Interface (CSI) Device Tree Bindings
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Chen-Yu Tsai <wens@csie.org>
11*4882a593Smuzhiyun  - Maxime Ripard <mripard@kernel.org>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyunproperties:
14*4882a593Smuzhiyun  compatible:
15*4882a593Smuzhiyun    enum:
16*4882a593Smuzhiyun      - allwinner,sun6i-a31-csi
17*4882a593Smuzhiyun      - allwinner,sun8i-a83t-csi
18*4882a593Smuzhiyun      - allwinner,sun8i-h3-csi
19*4882a593Smuzhiyun      - allwinner,sun8i-v3s-csi
20*4882a593Smuzhiyun      - allwinner,sun50i-a64-csi
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun  reg:
23*4882a593Smuzhiyun    maxItems: 1
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun  interrupts:
26*4882a593Smuzhiyun    maxItems: 1
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun  clocks:
29*4882a593Smuzhiyun    items:
30*4882a593Smuzhiyun      - description: Bus Clock
31*4882a593Smuzhiyun      - description: Module Clock
32*4882a593Smuzhiyun      - description: DRAM Clock
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun  clock-names:
35*4882a593Smuzhiyun    items:
36*4882a593Smuzhiyun      - const: bus
37*4882a593Smuzhiyun      - const: mod
38*4882a593Smuzhiyun      - const: ram
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun  resets:
41*4882a593Smuzhiyun    maxItems: 1
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun  # See ./video-interfaces.txt for details
44*4882a593Smuzhiyun  port:
45*4882a593Smuzhiyun    type: object
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun    properties:
48*4882a593Smuzhiyun      endpoint:
49*4882a593Smuzhiyun        type: object
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun        properties:
52*4882a593Smuzhiyun          remote-endpoint: true
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun          bus-width:
55*4882a593Smuzhiyun            enum: [ 8, 10, 12, 16 ]
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun          pclk-sample: true
58*4882a593Smuzhiyun          hsync-active: true
59*4882a593Smuzhiyun          vsync-active: true
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun        required:
62*4882a593Smuzhiyun          - bus-width
63*4882a593Smuzhiyun          - remote-endpoint
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun    required:
66*4882a593Smuzhiyun      - endpoint
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun    additionalProperties: false
69*4882a593Smuzhiyun
70*4882a593Smuzhiyunrequired:
71*4882a593Smuzhiyun  - compatible
72*4882a593Smuzhiyun  - reg
73*4882a593Smuzhiyun  - interrupts
74*4882a593Smuzhiyun  - clocks
75*4882a593Smuzhiyun  - clock-names
76*4882a593Smuzhiyun  - resets
77*4882a593Smuzhiyun
78*4882a593SmuzhiyunadditionalProperties: false
79*4882a593Smuzhiyun
80*4882a593Smuzhiyunexamples:
81*4882a593Smuzhiyun  - |
82*4882a593Smuzhiyun    #include <dt-bindings/interrupt-controller/arm-gic.h>
83*4882a593Smuzhiyun    #include <dt-bindings/clock/sun8i-v3s-ccu.h>
84*4882a593Smuzhiyun    #include <dt-bindings/reset/sun8i-v3s-ccu.h>
85*4882a593Smuzhiyun
86*4882a593Smuzhiyun    csi1: csi@1cb4000 {
87*4882a593Smuzhiyun        compatible = "allwinner,sun8i-v3s-csi";
88*4882a593Smuzhiyun        reg = <0x01cb4000 0x1000>;
89*4882a593Smuzhiyun        interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
90*4882a593Smuzhiyun        clocks = <&ccu CLK_BUS_CSI>,
91*4882a593Smuzhiyun                 <&ccu CLK_CSI1_SCLK>,
92*4882a593Smuzhiyun                 <&ccu CLK_DRAM_CSI>;
93*4882a593Smuzhiyun        clock-names = "bus",
94*4882a593Smuzhiyun                      "mod",
95*4882a593Smuzhiyun                      "ram";
96*4882a593Smuzhiyun        resets = <&ccu RST_BUS_CSI>;
97*4882a593Smuzhiyun
98*4882a593Smuzhiyun        port {
99*4882a593Smuzhiyun            /* Parallel bus endpoint */
100*4882a593Smuzhiyun            csi1_ep: endpoint {
101*4882a593Smuzhiyun                remote-endpoint = <&adv7611_ep>;
102*4882a593Smuzhiyun                bus-width = <16>;
103*4882a593Smuzhiyun
104*4882a593Smuzhiyun                /*
105*4882a593Smuzhiyun                 * If hsync-active/vsync-active are missing,
106*4882a593Smuzhiyun                 * embedded BT.656 sync is used.
107*4882a593Smuzhiyun                 */
108*4882a593Smuzhiyun                 hsync-active = <0>; /* Active low */
109*4882a593Smuzhiyun                 vsync-active = <0>; /* Active low */
110*4882a593Smuzhiyun                 pclk-sample = <1>;  /* Rising */
111*4882a593Smuzhiyun            };
112*4882a593Smuzhiyun        };
113*4882a593Smuzhiyun    };
114*4882a593Smuzhiyun
115*4882a593Smuzhiyun...
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