xref: /linux/Documentation/devicetree/bindings/clock/st,stm32mp21-rcc.yaml (revision 522ba450b56fff29f868b1552bdc2965f55de7ed)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/st,stm32mp21-rcc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: STM32MP21 Reset Clock Controller

maintainers:
  - Gabriel Fernandez <gabriel.fernandez@foss.st.com>

description: |
  The RCC hardware block is both a reset and a clock controller.
  RCC makes also power management (resume/suspend).

  See also:
    include/dt-bindings/clock/st,stm32mp21-rcc.h
    include/dt-bindings/reset/st,stm32mp21-rcc.h

properties:
  compatible:
    enum:
      - st,stm32mp21-rcc

  reg:
    maxItems: 1

  '#clock-cells':
    const: 1

  '#reset-cells':
    const: 1

  clocks:
    items:
      - description: CK_SCMI_HSE High Speed External oscillator (8 to 48 MHz)
      - description: CK_SCMI_HSI High Speed Internal oscillator (~ 64 MHz)
      - description: CK_SCMI_MSI Low Power Internal oscillator (~ 4 MHz or ~ 16 MHz)
      - description: CK_SCMI_LSE Low Speed External oscillator (32 KHz)
      - description: CK_SCMI_LSI Low Speed Internal oscillator (~ 32 KHz)
      - description: CK_SCMI_HSE_DIV2 CK_SCMI_HSE divided by 2 (could be gated)
      - description: CK_SCMI_ICN_HS_MCU High Speed interconnect bus clock
      - description: CK_SCMI_ICN_LS_MCU Low Speed interconnect bus clock
      - description: CK_SCMI_ICN_SDMMC SDMMC interconnect bus clock
      - description: CK_SCMI_ICN_DDR DDR interconnect bus clock
      - description: CK_SCMI_ICN_DISPLAY Display interconnect bus clock
      - description: CK_SCMI_ICN_HSL HSL interconnect bus clock
      - description: CK_SCMI_ICN_NIC NIC interconnect bus clock
      - description: CK_SCMI_FLEXGEN_07 flexgen clock 7
      - description: CK_SCMI_FLEXGEN_08 flexgen clock 8
      - description: CK_SCMI_FLEXGEN_09 flexgen clock 9
      - description: CK_SCMI_FLEXGEN_10 flexgen clock 10
      - description: CK_SCMI_FLEXGEN_11 flexgen clock 11
      - description: CK_SCMI_FLEXGEN_12 flexgen clock 12
      - description: CK_SCMI_FLEXGEN_13 flexgen clock 13
      - description: CK_SCMI_FLEXGEN_14 flexgen clock 14
      - description: CK_SCMI_FLEXGEN_16 flexgen clock 16
      - description: CK_SCMI_FLEXGEN_17 flexgen clock 17
      - description: CK_SCMI_FLEXGEN_18 flexgen clock 18
      - description: CK_SCMI_FLEXGEN_19 flexgen clock 19
      - description: CK_SCMI_FLEXGEN_20 flexgen clock 20
      - description: CK_SCMI_FLEXGEN_21 flexgen clock 21
      - description: CK_SCMI_FLEXGEN_22 flexgen clock 22
      - description: CK_SCMI_FLEXGEN_23 flexgen clock 23
      - description: CK_SCMI_FLEXGEN_24 flexgen clock 24
      - description: CK_SCMI_FLEXGEN_25 flexgen clock 25
      - description: CK_SCMI_FLEXGEN_26 flexgen clock 26
      - description: CK_SCMI_FLEXGEN_27 flexgen clock 27
      - description: CK_SCMI_FLEXGEN_29 flexgen clock 29
      - description: CK_SCMI_FLEXGEN_30 flexgen clock 30
      - description: CK_SCMI_FLEXGEN_31 flexgen clock 31
      - description: CK_SCMI_FLEXGEN_33 flexgen clock 33
      - description: CK_SCMI_FLEXGEN_36 flexgen clock 36
      - description: CK_SCMI_FLEXGEN_37 flexgen clock 37
      - description: CK_SCMI_FLEXGEN_38 flexgen clock 38
      - description: CK_SCMI_FLEXGEN_39 flexgen clock 39
      - description: CK_SCMI_FLEXGEN_40 flexgen clock 40
      - description: CK_SCMI_FLEXGEN_41 flexgen clock 41
      - description: CK_SCMI_FLEXGEN_42 flexgen clock 42
      - description: CK_SCMI_FLEXGEN_43 flexgen clock 43
      - description: CK_SCMI_FLEXGEN_44 flexgen clock 44
      - description: CK_SCMI_FLEXGEN_45 flexgen clock 45
      - description: CK_SCMI_FLEXGEN_46 flexgen clock 46
      - description: CK_SCMI_FLEXGEN_47 flexgen clock 47
      - description: CK_SCMI_FLEXGEN_48 flexgen clock 48
      - description: CK_SCMI_FLEXGEN_50 flexgen clock 50
      - description: CK_SCMI_FLEXGEN_51 flexgen clock 51
      - description: CK_SCMI_FLEXGEN_52 flexgen clock 52
      - description: CK_SCMI_FLEXGEN_53 flexgen clock 53
      - description: CK_SCMI_FLEXGEN_54 flexgen clock 54
      - description: CK_SCMI_FLEXGEN_55 flexgen clock 55
      - description: CK_SCMI_FLEXGEN_56 flexgen clock 56
      - description: CK_SCMI_FLEXGEN_57 flexgen clock 57
      - description: CK_SCMI_FLEXGEN_58 flexgen clock 58
      - description: CK_SCMI_FLEXGEN_61 flexgen clock 61
      - description: CK_SCMI_FLEXGEN_62 flexgen clock 62
      - description: CK_SCMI_FLEXGEN_63 flexgen clock 63
      - description: CK_SCMI_ICN_APB1 Peripheral bridge 1
      - description: CK_SCMI_ICN_APB2 Peripheral bridge 2
      - description: CK_SCMI_ICN_APB3 Peripheral bridge 3
      - description: CK_SCMI_ICN_APB4 Peripheral bridge 4
      - description: CK_SCMI_ICN_APB5 Peripheral bridge 5
      - description: CK_SCMI_ICN_APBDBG Peripheral bridge for debug
      - description: CK_SCMI_TIMG1 Peripheral bridge for timer1
      - description: CK_SCMI_TIMG2 Peripheral bridge for timer2

  access-controllers:
    maxItems: 1

required:
  - compatible
  - reg
  - '#clock-cells'
  - '#reset-cells'
  - clocks

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/st,stm32mp21-rcc.h>

    clock-controller@44200000 {
        compatible = "st,stm32mp21-rcc";
        reg = <0x44200000 0x10000>;
        #clock-cells = <1>;
        #reset-cells = <1>;
        clocks =  <&scmi_clk CK_SCMI_HSE>,
                  <&scmi_clk CK_SCMI_HSI>,
                  <&scmi_clk CK_SCMI_MSI>,
                  <&scmi_clk CK_SCMI_LSE>,
                  <&scmi_clk CK_SCMI_LSI>,
                  <&scmi_clk CK_SCMI_HSE_DIV2>,
                  <&scmi_clk CK_SCMI_ICN_HS_MCU>,
                  <&scmi_clk CK_SCMI_ICN_LS_MCU>,
                  <&scmi_clk CK_SCMI_ICN_SDMMC>,
                  <&scmi_clk CK_SCMI_ICN_DDR>,
                  <&scmi_clk CK_SCMI_ICN_DISPLAY>,
                  <&scmi_clk CK_SCMI_ICN_HSL>,
                  <&scmi_clk CK_SCMI_ICN_NIC>,
                  <&scmi_clk CK_SCMI_FLEXGEN_07>,
                  <&scmi_clk CK_SCMI_FLEXGEN_08>,
                  <&scmi_clk CK_SCMI_FLEXGEN_09>,
                  <&scmi_clk CK_SCMI_FLEXGEN_10>,
                  <&scmi_clk CK_SCMI_FLEXGEN_11>,
                  <&scmi_clk CK_SCMI_FLEXGEN_12>,
                  <&scmi_clk CK_SCMI_FLEXGEN_13>,
                  <&scmi_clk CK_SCMI_FLEXGEN_14>,
                  <&scmi_clk CK_SCMI_FLEXGEN_16>,
                  <&scmi_clk CK_SCMI_FLEXGEN_17>,
                  <&scmi_clk CK_SCMI_FLEXGEN_18>,
                  <&scmi_clk CK_SCMI_FLEXGEN_19>,
                  <&scmi_clk CK_SCMI_FLEXGEN_20>,
                  <&scmi_clk CK_SCMI_FLEXGEN_21>,
                  <&scmi_clk CK_SCMI_FLEXGEN_22>,
                  <&scmi_clk CK_SCMI_FLEXGEN_23>,
                  <&scmi_clk CK_SCMI_FLEXGEN_24>,
                  <&scmi_clk CK_SCMI_FLEXGEN_25>,
                  <&scmi_clk CK_SCMI_FLEXGEN_26>,
                  <&scmi_clk CK_SCMI_FLEXGEN_27>,
                  <&scmi_clk CK_SCMI_FLEXGEN_29>,
                  <&scmi_clk CK_SCMI_FLEXGEN_30>,
                  <&scmi_clk CK_SCMI_FLEXGEN_31>,
                  <&scmi_clk CK_SCMI_FLEXGEN_33>,
                  <&scmi_clk CK_SCMI_FLEXGEN_36>,
                  <&scmi_clk CK_SCMI_FLEXGEN_37>,
                  <&scmi_clk CK_SCMI_FLEXGEN_38>,
                  <&scmi_clk CK_SCMI_FLEXGEN_39>,
                  <&scmi_clk CK_SCMI_FLEXGEN_40>,
                  <&scmi_clk CK_SCMI_FLEXGEN_41>,
                  <&scmi_clk CK_SCMI_FLEXGEN_42>,
                  <&scmi_clk CK_SCMI_FLEXGEN_43>,
                  <&scmi_clk CK_SCMI_FLEXGEN_44>,
                  <&scmi_clk CK_SCMI_FLEXGEN_45>,
                  <&scmi_clk CK_SCMI_FLEXGEN_46>,
                  <&scmi_clk CK_SCMI_FLEXGEN_47>,
                  <&scmi_clk CK_SCMI_FLEXGEN_48>,
                  <&scmi_clk CK_SCMI_FLEXGEN_50>,
                  <&scmi_clk CK_SCMI_FLEXGEN_51>,
                  <&scmi_clk CK_SCMI_FLEXGEN_52>,
                  <&scmi_clk CK_SCMI_FLEXGEN_53>,
                  <&scmi_clk CK_SCMI_FLEXGEN_54>,
                  <&scmi_clk CK_SCMI_FLEXGEN_55>,
                  <&scmi_clk CK_SCMI_FLEXGEN_56>,
                  <&scmi_clk CK_SCMI_FLEXGEN_57>,
                  <&scmi_clk CK_SCMI_FLEXGEN_58>,
                  <&scmi_clk CK_SCMI_FLEXGEN_61>,
                  <&scmi_clk CK_SCMI_FLEXGEN_62>,
                  <&scmi_clk CK_SCMI_FLEXGEN_63>,
                  <&scmi_clk CK_SCMI_ICN_APB1>,
                  <&scmi_clk CK_SCMI_ICN_APB2>,
                  <&scmi_clk CK_SCMI_ICN_APB3>,
                  <&scmi_clk CK_SCMI_ICN_APB4>,
                  <&scmi_clk CK_SCMI_ICN_APB5>,
                  <&scmi_clk CK_SCMI_ICN_APBDBG>,
                  <&scmi_clk CK_SCMI_TIMG1>,
                  <&scmi_clk CK_SCMI_TIMG2>;
    };
...