Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/arm/mediatek/mediatek,mt7622-wed.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: MediaTek Wireless Ethernet Dispatch Controller for MT7622
   8
   9 maintainers:
  10   - Lorenzo Bianconi <lorenzo@kernel.org>
  11   - Felix Fietkau <nbd@nbd.name>
  12
  13 description:
  14   The mediatek wireless ethernet dispatch controller can be configured to
  15   intercept and handle access to the WLAN DMA queues and PCIe interrupts
  16   and implement hardware flow offloading from ethernet to WLAN.
  17
  18 properties:
  19   compatible:
  20     items:
  21       - enum:
  22           - mediatek,mt7622-wed
  23           - mediatek,mt7981-wed
  24           - mediatek,mt7986-wed
  25           - mediatek,mt7988-wed
  26       - const: syscon
  27
  28   reg:
  29     maxItems: 1
  30
  31   interrupts:
  32     maxItems: 1
  33
  34   memory-region:
  35     items:
  36       - description: firmware EMI region
  37       - description: firmware ILM region
  38       - description: firmware DLM region
  39       - description: firmware CPU DATA region
  40       - description: firmware BOOT region
  41
  42   memory-region-names:
  43     items:
  44       - const: wo-emi
  45       - const: wo-ilm
  46       - const: wo-dlm
  47       - const: wo-data
  48       - const: wo-boot
  49
  50   mediatek,wo-ccif:
  51     $ref: /schemas/types.yaml#/definitions/phandle
  52     description: mediatek wed-wo controller interface.
  53
  54 allOf:
  55   - if:
  56       properties:
  57         compatible:
  58           contains:
  59             const: mediatek,mt7622-wed
  60     then:
  61       properties:
  62         memory-region-names: false
  63         memory-region: false
  64         mediatek,wo-ccif: false
  65
  66 required:
  67   - compatible
  68   - reg
  69   - interrupts
  70
  71 additionalProperties: false
  72
  73 examples:
  74   - |
  75     #include <dt-bindings/interrupt-controller/arm-gic.h>
  76     #include <dt-bindings/interrupt-controller/irq.h>
  77     soc {
  78       #address-cells = <2>;
  79       #size-cells = <2>;
  80       wed0: wed@1020a000 {
  81         compatible = "mediatek,mt7622-wed","syscon";
  82         reg = <0 0x1020a000 0 0x1000>;
  83         interrupts = <GIC_SPI 214 IRQ_TYPE_LEVEL_LOW>;
  84       };
  85     };
  86
  87   - |
  88     #include <dt-bindings/interrupt-controller/arm-gic.h>
  89     #include <dt-bindings/interrupt-controller/irq.h>
  90     soc {
  91       #address-cells = <2>;
  92       #size-cells = <2>;
  93
  94       wed@15010000 {
  95         compatible = "mediatek,mt7986-wed", "syscon";
  96         reg = <0 0x15010000 0 0x1000>;
  97         interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>;
  98
  99         memory-region = <&wo_emi>, <&wo_ilm>, <&wo_dlm>,
 100                         <&wo_data>, <&wo_boot>;
 101         memory-region-names = "wo-emi", "wo-ilm", "wo-dlm",
 102                               "wo-data", "wo-boot";
 103         mediatek,wo-ccif = <&wo_ccif0>;
 104       };
 105     };