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/arm/amlogic/amlogic,meson-mx-secbus2.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: "http://devicetree.org/schemas/arm/amlogic/amlogic,meson-mx-secbus2.yaml#"
    5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
    6 
    7 title: Amlogic Meson8/Meson8b/Meson8m2 SECBUS2 register interface
    8 
    9 maintainers:
   10   - Martin Blumenstingl <martin.blumenstingl@googlemail.com>
   11 
   12 description: |
   13   The Meson8/Meson8b/Meson8m2 SoCs have a register bank called SECBUS2 which
   14   contains registers for various IP blocks such as pin-controller bits for
   15   the BSD_EN and TEST_N GPIOs as well as some AO ARC core control bits.
   16   The registers can be accessed directly when not running in "secure mode".
   17   When "secure mode" is enabled then these registers have to be accessed
   18   through secure monitor calls.
   19 
   20 properties:
   21   compatible:
   22     items:
   23       - enum:
   24           - amlogic,meson8-secbus2
   25           - amlogic,meson8b-secbus2
   26       - const: syscon
   27 
   28   reg:
   29     maxItems: 1
   30 
   31 required:
   32   - compatible
   33   - reg
   34 
   35 additionalProperties: false
   36 
   37 examples:
   38   - |
   39     secbus2: system-controller@4000 {
   40       compatible = "amlogic,meson8-secbus2", "syscon";
   41       reg = <0x4000 0x2000>;
   42     };

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