dt-bindings: clk: sprd: Add bindings for ums512 clock controller

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

# Copyright 2022 Unisoc Inc.

%YAML 1.2

---

$id: "http://devicetree.org/schemas/clock/sprd,ums512-clk.yaml#"

$schema: "http://devicetree.org/meta-schemas/core.yaml#"

title: UMS512 Soc clock controller

maintainers:

  - Orson Zhai <orsonzhai@gmail.com>

  - Baolin Wang <baolin.wang7@gmail.com>

  - Chunyan Zhang <zhang.lyra@gmail.com>

properties:

  compatible:

    enum:

      - sprd,ums512-apahb-gate

      - sprd,ums512-ap-clk

      - sprd,ums512-aonapb-clk

      - sprd,ums512-pmu-gate

      - sprd,ums512-g0-pll

      - sprd,ums512-g2-pll

      - sprd,ums512-g3-pll

      - sprd,ums512-gc-pll

      - sprd,ums512-aon-gate

      - sprd,ums512-audcpapb-gate

      - sprd,ums512-audcpahb-gate

      - sprd,ums512-gpu-clk

      - sprd,ums512-mm-clk

      - sprd,ums512-mm-gate-clk

      - sprd,ums512-apapb-gate

  "#clock-cells":

    const: 1

  clocks:

    minItems: 1

    maxItems: 4

    description: |

      The input parent clock(s) phandle for the clock, only list

      fixed clocks which are declared in devicetree.

  clock-names:

    minItems: 1

    items:

      - const: ext-26m

      - const: ext-32k

      - const: ext-4m

      - const: rco-100m

  reg:

    maxItems: 1

required:

  - compatible

  - '#clock-cells'

  - reg

additionalProperties: false

examples:

  - |

    ap_clk: clock-controller@20200000 {

      compatible = "sprd,ums512-ap-clk";

      reg = <0x20200000 0x1000>;

      clocks = <&ext_26m>;

      clock-names = "ext-26m";

      #clock-cells = <1>;

    };

...