ti,secure-proxy.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/mailbox/ti,secure-proxy.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Texas Instruments' Secure Proxy
    8 
    9 maintainers:
   10   - Nishanth Menon <nm@ti.com>
   11 
   12 description: |
   13   The Texas Instruments' secure proxy is a mailbox controller that has
   14   configurable queues selectable at SoC(System on Chip) integration. The
   15   Message manager is broken up into different address regions that are
   16   called "threads" or "proxies" - each instance is unidirectional and is
   17   instantiated at SoC integration level by system controller to indicate
   18   receive or transmit path.
   19 
   20 properties:
   21   $nodename:
   22     pattern: "^mailbox@[0-9a-f]+$"
   23 
   24   compatible:
   25     const: ti,am654-secure-proxy
   26 
   27   "#mbox-cells":
   28     const: 1
   29     description:
   30       Contains the secure proxy thread ID used for the specific transfer path.
   31 
   32   reg-names:
   33     items:
   34       - const: target_data
   35       - const: rt
   36       - const: scfg
   37 
   38   reg:
   39     minItems: 3
   40 
   41   interrupt-names:
   42     minItems: 1
   43     maxItems: 100
   44     items:
   45       pattern: "^rx_[0-9]{3}$"
   46     description:
   47       Contains the interrupt name information for the Rx interrupt path for
   48       secure proxy thread in the form 'rx_<PID>'.
   49 
   50   interrupts:
   51     minItems: 1
   52     maxItems: 100
   53     description:
   54       Contains the interrupt information for the Rx interrupt path for secure
   55       proxy.
   56 
   57 required:
   58   - compatible
   59   - reg-names
   60   - reg
   61   - interrupt-names
   62   - interrupts
   63   - "#mbox-cells"
   64 
   65 additionalProperties: false
   66 
   67 examples:
   68   - |
   69     #include <dt-bindings/interrupt-controller/arm-gic.h>
   70     secure_proxy: mailbox@32c00000 {
   71           compatible = "ti,am654-secure-proxy";
   72           #mbox-cells = <1>;
   73           reg-names = "target_data", "rt", "scfg";
   74           reg = <0x32c00000 0x100000>,
   75                 <0x32400000 0x100000>,
   76                 <0x32800000 0x100000>;
   77           interrupt-names = "rx_011";
   78           interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
   79     };

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