dt-bindings: clock: qcom,spmi-clkdiv: convert to DT schema

Qualcomm Technologies, Inc. SPMI PMIC clock divider (clkdiv)

clkdiv configures the clock frequency of a set of outputs on the PMIC.

These clocks are typically wired through alternate functions on

gpio pins.

=======================

Properties

=======================

- compatible

	Usage:      required

	Value type: <string>

	Definition: must be "qcom,spmi-clkdiv".

- reg

	Usage:      required

	Value type: <prop-encoded-array>

	Definition: base address of CLKDIV peripherals.

- qcom,num-clkdivs

	Usage:      required

	Value type: <u32>

	Definition: number of CLKDIV peripherals.

- clocks:

	Usage: required

	Value type: <prop-encoded-array>

	Definition: reference to the xo clock.

- clock-names:

	Usage: required

	Value type: <stringlist>

	Definition: must be "xo".

- #clock-cells:

	Usage: required

	Value type: <u32>

	Definition: shall contain 1.

=======

Example

=======

pm8998_clk_divs: clock-controller@5b00 {

	compatible = "qcom,spmi-clkdiv";

	reg = <0x5b00>;

	#clock-cells = <1>;

	qcom,num-clkdivs = <3>;

	clocks = <&xo_board>;

	clock-names = "xo";

	assigned-clocks = <&pm8998_clk_divs 1>,

			  <&pm8998_clk_divs 2>,

			  <&pm8998_clk_divs 3>;

	assigned-clock-rates = <9600000>,

			       <9600000>,

			       <9600000>;

};

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/clock/qcom,spmi-clkdiv.yaml#

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

title: Qualcomm SPMI PMIC clock divider

maintainers:

  - Bjorn Andersson <andersson@kernel.org>

  - Stephen Boyd <sboyd@kernel.org>

description: |

  Qualcomm SPMI PMIC clock divider configures the clock frequency of a set of

  outputs on the PMIC.  These clocks are typically wired through alternate

  functions on GPIO pins.

properties:

  compatible:

    const: qcom,spmi-clkdiv

  reg:

    maxItems: 1

  clocks:

    items:

      - description: Board XO source

  clock-names:

    items:

      - const: xo

  "#clock-cells":

    const: 1

  qcom,num-clkdivs:

    $ref: /schemas/types.yaml#/definitions/uint32

    description: Number of CLKDIV peripherals.

required:

  - compatible

  - reg

  - clocks

  - clock-names

  - "#clock-cells"

  - qcom,num-clkdivs

additionalProperties: false

examples:

  - |

    pmic {

        #address-cells = <1>;

        #size-cells = <0>;

        clock-controller@5b00 {

            compatible = "qcom,spmi-clkdiv";

            reg = <0x5b00>;

            clocks = <&xo_board>;

            clock-names = "xo";

            #clock-cells = <1>;

            qcom,num-clkdivs = <3>;

            assigned-clocks = <&pm8998_clk_divs 1>,

                              <&pm8998_clk_divs 2>,

                              <&pm8998_clk_divs 3>;

            assigned-clock-rates = <9600000>,

                                   <9600000>,

                                   <9600000>;

        };

    };