img,i2s-in.txt

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    1 Imagination Technologies I2S Input Controller
    2 
    3 Required Properties:
    4 
    5   - compatible : Compatible list, must contain "img,i2s-in"
    6 
    7   - #sound-dai-cells : Must be equal to 0
    8 
    9   - reg : Offset and length of the register set for the device
   10 
   11   - clocks : Contains an entry for each entry in clock-names
   12 
   13   - clock-names : Must include the following entry:
   14         "sys"   The system clock
   15 
   16   - dmas: Contains an entry for each entry in dma-names.
   17 
   18   - dma-names: Must include the following entry:
   19         "rx"    Single DMA channel used by all active I2S channels
   20 
   21   - img,i2s-channels : Number of I2S channels instantiated in the I2S in block
   22 
   23 Optional Properties:
   24 
   25   - interrupts : Contains the I2S in interrupts. Depending on
   26         the configuration, there may be no interrupts, one interrupt,
   27         or an interrupt per I2S channel. For the case where there is
   28         one interrupt per channel, the interrupts should be listed
   29         in ascending channel order
   30 
   31   - resets: Contains a phandle to the I2S in reset signal
   32 
   33   - reset-names: Contains the reset signal name "rst"
   34 
   35 Example:
   36 
   37 i2s_in: i2s-in@18100800 {
   38         compatible = "img,i2s-in";
   39         reg = <0x18100800 0x200>;
   40         interrupts = <GIC_SHARED 7 IRQ_TYPE_LEVEL_HIGH>;
   41         dmas = <&mdc 30 0xffffffff 0>;
   42         dma-names = "rx";
   43         clocks = <&cr_periph SYS_CLK_I2S_IN>;
   44         clock-names = "sys";
   45         img,i2s-channels = <6>;
   46         #sound-dai-cells = <0>;
   47 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/sound/img,i2s-in.txt

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sys/contrib/device-tree/Bindings/sound/img,i2s-in.txt