xref: /kernel/linux/linux-5.10/Documentation/devicetree/bindings/clock/imx31-clock.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/imx31-clock.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Clock bindings for Freescale i.MX31

maintainers:
  - Fabio Estevam <fabio.estevam@nxp.com>

description: |
  The clock consumer should specify the desired clock by having the clock
  ID in its "clocks" phandle cell. The following is a full list of i.MX31
  clocks and IDs.

        Clock		    ID
        -----------------------
        dummy	             0
        ckih                 1
        ckil                 2
        mpll                 3
        spll                 4
        upll                 5
        mcu_main             6
        hsp                  7
        ahb                  8
        nfc                  9
        ipg                  10
        per_div              11
        per                  12
        csi_sel              13
        fir_sel              14
        csi_div              15
        usb_div_pre          16
        usb_div_post         17
        fir_div_pre          18
        fir_div_post         19
        sdhc1_gate           20
        sdhc2_gate           21
        gpt_gate             22
        epit1_gate           23
        epit2_gate           24
        iim_gate             25
        ata_gate             26
        sdma_gate            27
        cspi3_gate           28
        rng_gate             29
        uart1_gate           30
        uart2_gate           31
        ssi1_gate            32
        i2c1_gate            33
        i2c2_gate            34
        i2c3_gate            35
        hantro_gate          36
        mstick1_gate         37
        mstick2_gate         38
        csi_gate             39
        rtc_gate             40
        wdog_gate            41
        pwm_gate             42
        sim_gate             43
        ect_gate             44
        usb_gate             45
        kpp_gate             46
        ipu_gate             47
        uart3_gate           48
        uart4_gate           49
        uart5_gate           50
        owire_gate           51
        ssi2_gate            52
        cspi1_gate           53
        cspi2_gate           54
        gacc_gate            55
        emi_gate             56
        rtic_gate            57
        firi_gate            58

properties:
  compatible:
    const: fsl,imx31-ccm

  reg:
    maxItems: 1

  interrupts:
    description: CCM provides 2 interrupt requests, request 1 is to generate
      interrupt for DVFS when a frequency change is requested, request 2 is
      to generate interrupt for DPTC when a voltage change is requested.
    items:
      - description: CCM DVFS interrupt request 1
      - description: CCM DPTC interrupt request 2

  '#clock-cells':
    const: 1

required:
  - compatible
  - reg
  - interrupts
  - '#clock-cells'

additionalProperties: false

examples:
  - |
    clock-controller@53f80000 {
        compatible = "fsl,imx31-ccm";
        reg = <0x53f80000 0x4000>;
        interrupts = <31>, <53>;
        #clock-cells = <1>;
    };

    serial@43f90000 {
        compatible = "fsl,imx31-uart", "fsl,imx21-uart";
        reg = <0x43f90000 0x4000>;
        interrupts = <45>;
        clocks = <&clks 10>, <&clks 30>;
        clock-names = "ipg", "per";
    };