FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/board/fsl-board.txt

     Freescale Reference Board Bindings
     
     This document describes device tree bindings for various devices that
     exist on some Freescale reference boards.
     
     * Board Control and Status (BCSR)
     
     Required properties:
     
     - compatible : Should be "fsl,<board>-bcsr"
     - reg : Offset and length of the register set for the device
    
    Example:
    
            bcsr@f8000000 {
                    compatible = "fsl,mpc8360mds-bcsr";
                    reg = <f8000000 8000>;
            };
    
    * Freescale on-board FPGA
    
    This is the memory-mapped registers for on board FPGA.
    
    Required properties:
    - compatible: should be a board-specific string followed by a string
      indicating the type of FPGA.  Example:
            "fsl,<board>-fpga", "fsl,fpga-pixis", or
            "fsl,<board>-fpga", "fsl,fpga-qixis"
    - reg: should contain the address and the length of the FPGA register set.
    
    Optional properties:
    - interrupts: should specify event (wakeup) IRQ.
    
    Example (P1022DS):
    
             board-control@3,0 {
                     compatible = "fsl,p1022ds-fpga", "fsl,fpga-ngpixis";
                     reg = <3 0 0x30>;
                     interrupt-parent = <&mpic>;
                     interrupts = <8 8 0 0>;
             };
    
    Example (LS2080A-RDB):
    
            cpld@3,0 {
                    compatible = "fsl,ls2080ardb-fpga", "fsl,fpga-qixis";
                    reg = <0x3 0 0x10000>;
            };
    
    * Freescale on-board FPGA connected on I2C bus
    
    Some Freescale boards like BSC9132QDS have on board FPGA connected on
    the i2c bus.
    
    Required properties:
    - compatible: Should be a board-specific string followed by a string
      indicating the type of FPGA.  Example:
            "fsl,<board>-fpga", "fsl,fpga-qixis-i2c"
    - reg: Should contain the address of the FPGA
    
    Example:
            fpga: fpga@66 {
                    compatible = "fsl,bsc9132qds-fpga", "fsl,fpga-qixis-i2c";
                    reg = <0x66>;
            };
    
    * Freescale on-board CPLD
    
    Some Freescale boards like T1040RDB have an on board CPLD connected.
    
    Required properties:
    - compatible: Should be a board-specific string like "fsl,<board>-cpld"
      Example:
            "fsl,t1040rdb-cpld", "fsl,t1042rdb-cpld", "fsl,t1042rdb_pi-cpld"
    - reg: should describe CPLD registers
    
    Example:
            cpld@3,0 {
                    compatible = "fsl,t1040rdb-cpld";
                    reg = <3 0 0x300>;
            };

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