Documentation/devicetree/bindings/media/atmel,isc.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 # Copyright (C) 2016-2021 Microchip Technology, Inc.
   3 %YAML 1.2
   4 ---
   5 $id: http://devicetree.org/schemas/media/atmel,isc.yaml#
   6 $schema: http://devicetree.org/meta-schemas/core.yaml#
   7
   8 title: Atmel Image Sensor Controller (ISC)
   9
  10 maintainers:
  11   - Eugen Hristev <eugen.hristev@microchip.com>
  12
  13 description: |
  14   The Image Sensor Controller (ISC) device provides the video input capabilities for the
  15   Atmel/Microchip AT91 SAMA family of devices.
  16
  17   The ISC has a single parallel input that supports RAW Bayer, RGB or YUV video,
  18   with both external synchronization and BT.656 synchronization for the latter.
  19
  20 properties:
  21   compatible:
  22     const: atmel,sama5d2-isc
  23
  24   reg:
  25     maxItems: 1
  26
  27   interrupts:
  28     maxItems: 1
  29
  30   clocks:
  31     minItems: 3
  32     maxItems: 3
  33
  34   clock-names:
  35     items:
  36       - const: hclock
  37       - const: iscck
  38       - const: gck
  39
  40   '#clock-cells':
  41     const: 0
  42
  43   clock-output-names:
  44     const: isc-mck
  45
  46   port:
  47     $ref: /schemas/graph.yaml#/properties/port
  48     description:
  49       Input port node, single endpoint describing the input pad.
  50
  51     properties:
  52       endpoint:
  53         $ref: video-interfaces.yaml#
  54
  55         properties:
  56           remote-endpoint: true
  57
  58           bus-width:
  59             enum: [8, 9, 10, 11, 12]
  60             default: 12
  61
  62           hsync-active:
  63             enum: [0, 1]
  64             default: 1
  65
  66           vsync-active:
  67             enum: [0, 1]
  68             default: 1
  69
  70           pclk-sample:
  71             enum: [0, 1]
  72             default: 1
  73
  74         required:
  75           - remote-endpoint
  76
  77         additionalProperties: false
  78
  79     additionalProperties: false
  80
  81 required:
  82   - compatible
  83   - reg
  84   - clocks
  85   - clock-names
  86   - '#clock-cells'
  87   - clock-output-names
  88   - port
  89
  90 additionalProperties: false
  91
  92 examples:
  93   - |
  94     #include <dt-bindings/interrupt-controller/irq.h>
  95
  96     isc: isc@f0008000 {
  97         compatible = "atmel,sama5d2-isc";
  98         reg = <0xf0008000 0x4000>;
  99         interrupts = <46 IRQ_TYPE_LEVEL_HIGH 5>;
 100         clocks = <&isc_clk>, <&iscck>, <&isc_gclk>;
 101         clock-names = "hclock", "iscck", "gck";
 102         #clock-cells = <0>;
 103         clock-output-names = "isc-mck";
 104
 105         port {
 106                 isc_0: endpoint {
 107                        remote-endpoint = <&ov7740_0>;
 108                        hsync-active = <1>;
 109                        vsync-active = <0>;
 110                        pclk-sample = <1>;
 111                        bus-width = <8>;
 112                 };
 113         };
 114     };