atmel-isc.txt

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    1 Atmel Image Sensor Controller (ISC)
    2 ----------------------------------------------
    3 
    4 Required properties for ISC:
    5 - compatible
    6         Must be "atmel,sama5d2-isc".
    7 - reg
    8         Physical base address and length of the registers set for the device.
    9 - interrupts
   10         Should contain IRQ line for the ISC.
   11 - clocks
   12         List of clock specifiers, corresponding to entries in
   13         the clock-names property;
   14         Please refer to clock-bindings.txt.
   15 - clock-names
   16         Required elements: "hclock", "iscck", "gck".
   17 - #clock-cells
   18         Should be 0.
   19 - clock-output-names
   20         Should be "isc-mck".
   21 - pinctrl-names, pinctrl-0
   22         Please refer to pinctrl-bindings.txt.
   23 
   24 ISC supports a single port node with parallel bus. It should contain one
   25 'port' child node with child 'endpoint' node. Please refer to the bindings
   26 defined in Documentation/devicetree/bindings/media/video-interfaces.txt.
   27 
   28 Example:
   29 isc: isc@f0008000 {
   30         compatible = "atmel,sama5d2-isc";
   31         reg = <0xf0008000 0x4000>;
   32         interrupts = <46 IRQ_TYPE_LEVEL_HIGH 5>;
   33         clocks = <&isc_clk>, <&iscck>, <&isc_gclk>;
   34         clock-names = "hclock", "iscck", "gck";
   35         #clock-cells = <0>;
   36         clock-output-names = "isc-mck";
   37         pinctrl-names = "default";
   38         pinctrl-0 = <&pinctrl_isc_base &pinctrl_isc_data_8bit &pinctrl_isc_data_9_10 &pinctrl_isc_data_11_12>;
   39 
   40         port {
   41                 isc_0: endpoint {
   42                         remote-endpoint = <&ov7740_0>;
   43                         hsync-active = <1>;
   44                         vsync-active = <0>;
   45                         pclk-sample = <1>;
   46                 };
   47         };
   48 };
   49 
   50 i2c1: i2c@fc028000 {
   51         ov7740: camera@21 {
   52                 compatible = "ovti,ov7740";
   53                 reg = <0x21>;
   54                 clocks = <&isc>;
   55                 clock-names = "xvclk";
   56                 assigned-clocks = <&isc>;
   57                 assigned-clock-rates = <24000000>;
   58 
   59                 port {
   60                         ov7740_0: endpoint {
   61                                 remote-endpoint = <&isc_0>;
   62                         };
   63                 };
   64         };
   65 };

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