The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/spi/spi-clps711x.txt

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    1 Serial Peripheral Interface on Cirrus Logic CL-PS71xx, EP72xx, EP73xx
    2 
    3 Required properties
    4 - #address-cells: must be <1>
    5 - #size-cells: must be <0>
    6 - compatible: should include "cirrus,ep7209-spi"
    7 - reg: Address and length of one register range
    8 - interrupts: one interrupt line
    9 - clocks: One entry, refers to the SPI bus clock
   10 - cs-gpios: Specifies the gpio pins to be used for chipselects.
   11             See: Documentation/devicetree/bindings/spi/spi-bus.txt
   12 
   13 An additional register is present in the system controller,
   14 which is assumed to be in the same device tree, with and marked
   15 as compatible with "cirrus,ep7209-syscon3".
   16 
   17 Example:
   18 
   19 spi@80000500 {
   20         #address-cells = <1>;
   21         #size-cells = <0>;
   22         compatible = "cirrus,ep7209-spi";
   23         reg = <0x80000500 0x4>;
   24         interrupts = <15>;
   25         clocks = <&clks CLPS711X_CLK_SPI>;
   26 };
   27 
   28 syscon3: syscon@80002200 {
   29         compatible = "cirrus,ep7209-syscon3", "syscon";
   30         reg = <0x80002200 0x40>;
   31 };
   32

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