brcm,gisb-arb.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/bus/brcm,gisb-arb.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Broadcom GISB bus Arbiter controller
    8 
    9 maintainers:
   10   - Florian Fainelli <f.fainelli@gmail.com>
   11 
   12 properties:
   13   compatible:
   14     oneOf:
   15       - items:
   16           - enum:
   17               - brcm,bcm7445-gisb-arb  # for other 28nm chips
   18           - const: brcm,gisb-arb
   19       - items:
   20           - enum:
   21               - brcm,bcm7278-gisb-arb  # for V7 28nm chips
   22               - brcm,bcm7435-gisb-arb  # for newer 40nm chips
   23               - brcm,bcm7400-gisb-arb  # for older 40nm chips and all 65nm chips
   24               - brcm,bcm7038-gisb-arb  # for 130nm chips
   25               - brcm,gisb-arb          # fallback compatible
   26 
   27   reg:
   28     maxItems: 1
   29 
   30   interrupts:
   31     minItems: 2
   32     items:
   33       - description: timeout interrupt line
   34       - description: target abort interrupt line
   35       - description: breakpoint interrupt line
   36 
   37   brcm,gisb-arb-master-mask:
   38     $ref: /schemas/types.yaml#/definitions/uint32
   39     description: >
   40       32-bits wide bitmask used to specify which GISB masters are valid at the
   41       system level
   42 
   43   brcm,gisb-arb-master-names:
   44     $ref: /schemas/types.yaml#/definitions/string-array
   45     description: >
   46       String list of the litteral name of the GISB masters. Should match the
   47       number of bits set in brcm,gisb-master-mask and the order in which they
   48       appear from MSB to LSB.
   49 
   50 required:
   51   - compatible
   52   - reg
   53   - interrupts
   54 
   55 additionalProperties: false
   56 
   57 examples:
   58   - |
   59     gisb-arb@f0400000 {
   60       compatible = "brcm,gisb-arb";
   61       reg = <0xf0400000 0x800>;
   62       interrupts = <0>, <2>;
   63       interrupt-parent = <&sun_l2_intc>;
   64       brcm,gisb-arb-master-mask = <0x7>;
   65       brcm,gisb-arb-master-names = "bsp_0", "scpu_0", "cpu_0";
   66     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/bus/brcm,gisb-arb.yaml

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sys/contrib/device-tree/Bindings/bus/brcm,gisb-arb.yaml