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/reset/fsl,imx-src.txt

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    1 Freescale i.MX System Reset Controller
    2 ======================================
    3 
    4 Please also refer to reset.txt in this directory for common reset
    5 controller binding usage.
    6 
    7 Required properties:
    8 - compatible: Should be "fsl,<chip>-src"
    9 - reg: should be register base and length as documented in the
   10   datasheet
   11 - interrupts: Should contain SRC interrupt and CPU WDOG interrupt,
   12   in this order.
   13 - #reset-cells: 1, see below
   14 
   15 example:
   16 
   17 src: src@20d8000 {
   18         compatible = "fsl,imx6q-src";
   19         reg = <0x020d8000 0x4000>;
   20         interrupts = <0 91 0x04 0 96 0x04>;
   21         #reset-cells = <1>;
   22 };
   23 
   24 Specifying reset lines connected to IP modules
   25 ==============================================
   26 
   27 The system reset controller can be used to reset the GPU, VPU,
   28 IPU, and OpenVG IP modules on i.MX5 and i.MX6 ICs. Those device
   29 nodes should specify the reset line on the SRC in their resets
   30 property, containing a phandle to the SRC device node and a
   31 RESET_INDEX specifying which module to reset, as described in
   32 reset.txt
   33 
   34 example:
   35 
   36         ipu1: ipu@2400000 {
   37                 resets = <&src 2>;
   38         };
   39         ipu2: ipu@2800000 {
   40                 resets = <&src 4>;
   41         };
   42 
   43 The following RESET_INDEX values are valid for i.MX5:
   44 GPU_RESET     0
   45 VPU_RESET     1
   46 IPU1_RESET    2
   47 OPEN_VG_RESET 3
   48 The following additional RESET_INDEX value is valid for i.MX6:
   49 IPU2_RESET    4

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