Documentation/devicetree/bindings/misc/ifm-csi.txt

   1 IFM camera sensor interface on mpc5200 LocalPlus bus
   2
   3 Required properties:
   4 - compatible: "ifm,o2d-csi"
   5 - reg: specifies sensor chip select number and associated address range
   6 - interrupts: external interrupt line number and interrupt sense mode
   7   of the interrupt line signaling frame valid events
   8 - gpios: three gpio-specifiers for "capture", "reset" and "master enable"
   9   GPIOs (strictly in this order).
  10 - ifm,csi-clk-handle: the phandle to a node in the DT describing the sensor
  11   clock generator. This node is usually a general purpose timer controller.
  12 - ifm,csi-addr-bus-width: address bus width (valid values are 16, 24, 25)
  13 - ifm,csi-data-bus-width: data bus width (valid values are 8 and 16)
  14 - ifm,csi-wait-cycles: sensor bus wait cycles
  15
  16 Optional properties:
  17 - ifm,csi-byte-swap: if this property is present, the byte swapping on
  18   the bus will be enabled.
  19
  20 Example:
  21
  22         csi@3,0 {
  23                 compatible = "ifm,o2d-csi";
  24                 reg = <3 0 0x00100000>;         /* CS 3, 1 MiB range */
  25                 interrupts = <1 1 2>;           /* IRQ1, edge falling */
  26
  27                 ifm,csi-clk-handle = <&timer7>;
  28                 gpios = <&gpio_simple 23 0      /* image_capture */
  29                          &gpio_simple 26 0      /* image_reset */
  30                          &gpio_simple 29 0>;    /* image_master_en */
  31
  32                 ifm,csi-addr-bus-width = <24>;
  33                 ifm,csi-data-bus-width = <8>;
  34                 ifm,csi-wait-cycles = <0>;
  35         };
  36
  37 The base address of the used chip select is specified in the
  38 ranges property of the parent localbus node, for example:
  39
  40         ranges = <0 0 0xff000000 0x01000000
  41                   3 0 0xe3000000 0x00100000>;