Documentation / devicetree / bindings / bus / ti,omap-l4.yaml


Based on kernel version 7.3. Page generated on 2026-10-19 13:17 EDT.

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/bus/ti,omap-l4.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: TI OMAP SoCs L4 interconnect bus

maintainers:
  - Eduard Bostina <egbostina@gmail.com>

description:
  These bindings describe the OMAP SoCs L4 interconnect bus.

select:
  properties:
    compatible:
      contains:
        enum:
          - ti,omap2-l4
          - ti,omap2-l4-wkup
          - ti,omap3-l4-core
          - ti,omap4-l4-abe
          - ti,omap4-l4-cfg
          - ti,omap4-l4-per
          - ti,omap4-l4-wkup
          - ti,omap5-l4-abe
          - ti,omap5-l4-cfg
          - ti,omap5-l4-per
          - ti,omap5-l4-wkup
          - ti,dra7-l4-cfg
          - ti,dra7-l4-per1
          - ti,dra7-l4-per2
          - ti,dra7-l4-per3
          - ti,dra7-l4-wkup
          - ti,am33xx-l4-fast
          - ti,am33xx-l4-fw
          - ti,am33xx-l4-mpuss
          - ti,am33xx-l4-per
          - ti,am33xx-l4-wkup
          - ti,am4-l4-fast
          - ti,am4-l4-per
          - ti,am4-l4-wkup
          - ti,dm814-l4hs
          - ti,dm814-l4ls
  required:
    - compatible

properties:
  compatible:
    items:
      - enum:
          - ti,omap2-l4
          - ti,omap2-l4-wkup
          - ti,omap3-l4-core
          - ti,omap4-l4-abe
          - ti,omap4-l4-cfg
          - ti,omap4-l4-per
          - ti,omap4-l4-wkup
          - ti,omap5-l4-abe
          - ti,omap5-l4-cfg
          - ti,omap5-l4-per
          - ti,omap5-l4-wkup
          - ti,dra7-l4-cfg
          - ti,dra7-l4-per1
          - ti,dra7-l4-per2
          - ti,dra7-l4-per3
          - ti,dra7-l4-wkup
          - ti,am33xx-l4-fast
          - ti,am33xx-l4-fw
          - ti,am33xx-l4-mpuss
          - ti,am33xx-l4-per
          - ti,am33xx-l4-wkup
          - ti,am4-l4-fast
          - ti,am4-l4-per
          - ti,am4-l4-wkup
          - ti,dm814-l4hs
          - ti,dm814-l4ls
      - enum:
          - simple-bus
          - simple-pm-bus

  reg:
    minItems: 1
    maxItems: 6

  reg-names:
    minItems: 1
    maxItems: 6
    items:
      enum:
        - ap
        - la
        - ia0
        - ia1
        - ia2
        - ia3

  ranges: true

  dma-ranges: true

  clocks:
    maxItems: 1

  clock-names:
    items:
      - const: fck

  power-domains:
    maxItems: 1
 
  "#address-cells":
    const: 1
 
  "#size-cells":
    const: 1

required:
  - compatible
  - ranges

additionalProperties:
  type: object

examples:
  - |
    bus@48000000 {
        compatible = "ti,omap4-l4-per", "simple-bus";
        reg = <0x48000000 0x800>,
              <0x48000800 0x800>,
              <0x48001000 0x400>,
              <0x48001400 0x400>,
              <0x48001800 0x400>,
              <0x48001c00 0x400>;
        reg-names = "ap", "la", "ia0", "ia1", "ia2", "ia3";
        #address-cells = <1>;
        #size-cells = <1>;
        ranges = <0 0x48000000 0x100000>;
    };