xref: /linux/Documentation/devicetree/bindings/mfd/nxp,lpc3220-scb.yaml (revision 4668c4831fbcb924ef9ce63b32f8a4daefd3d6fc)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/mfd/nxp,lpc3220-scb.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: NXP LPC32xx System Control Block

maintainers:
  - Vladimir Zapolskiy <vz@mleia.com>

description:
  NXP LPC32xx SoC series have a System Control Block, which serves for
  a multitude of purposes including clock management, DMA muxes, storing
  SoC unique ID etc.

properties:
  compatible:
    items:
      - enum:
          - nxp,lpc3220-scb
      - const: syscon
      - const: simple-mfd

  reg:
    maxItems: 1

  ranges: true

  "#address-cells":
    const: 1

  "#size-cells":
    const: 1

patternProperties:
  "^clock-controller@[0-9a-f]+$":
    $ref: /schemas/clock/nxp,lpc3220-clk.yaml#

  "^dma-router@[0-9a-f]+$":
    $ref: /schemas/dma/nxp,lpc3220-dmamux.yaml#

required:
  - compatible
  - reg
  - "#address-cells"
  - "#size-cells"

additionalProperties: false

examples:
  - |
    syscon@400040000 {
        compatible = "nxp,lpc3220-scb", "syscon", "simple-mfd";
        reg = <0x40004000 0x1000>;
        #address-cells = <1>;
        #size-cells = <1>;
        ranges = <0 0x40004000 0x1000>;

        clock-controller@0 {
            compatible = "nxp,lpc3220-clk";
            reg = <0x0 0x114>;
            clocks = <&xtal_32k>, <&xtal>;
            clock-names = "xtal_32k", "xtal";
            #clock-cells = <1>;
        };

        dma-router@78 {
            compatible = "nxp,lpc3220-dmamux";
            reg = <0x78 0x8>;
            dma-masters = <&dma>;
            #dma-cells = <3>;
        };
    };