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     $ref: /schemas/graph.yaml#/$defs/port-base
  48     unevaluatedProperties: false
  49     description:
  50       Input port node, single endpoint describing the input pad.
  51
  52     properties:
  53       endpoint:
  54         $ref: video-interfaces.yaml#
  55
  56         properties:
  57           remote-endpoint: true
  58
  59           bus-width:
  60             enum: [8, 9, 10, 11, 12]
  61             default: 12
  62
  63           hsync-active:
  64             enum: [0, 1]
  65             default: 1
  66
  67           vsync-active:
  68             enum: [0, 1]
  69             default: 1
  70
  71           pclk-sample:
  72             enum: [0, 1]
  73             default: 1
  74
  75         required:
  76           - remote-endpoint
  77
  78         additionalProperties: false
  79
  80     additionalProperties: false
  81
  82 required:
  83   - compatible
  84   - reg
  85   - clocks
  86   - clock-names
  87   - '#clock-cells'
  88   - clock-output-names
  89   - port
  90
  91 additionalProperties: false
  92
  93 examples:
  94   - |
  95     #include <dt-bindings/interrupt-controller/irq.h>
  96
  97     isc: isc@f0008000 {
  98         compatible = "atmel,sama5d2-isc";
  99         reg = <0xf0008000 0x4000>;
 100         interrupts = <46 IRQ_TYPE_LEVEL_HIGH 5>;
 101         clocks = <&isc_clk>, <&iscck>, <&isc_gclk>;
 102         clock-names = "hclock", "iscck", "gck";
 103         #clock-cells = <0>;
 104         clock-output-names = "isc-mck";
 105
 106         port {
 107                 isc_0: endpoint {
 108                        remote-endpoint = <&ov7740_0>;
 109                        hsync-active = <1>;
 110                        vsync-active = <0>;
 111                        pclk-sample = <1>;
 112                        bus-width = <8>;
 113                 };
 114         };
 115     };