| Tom Rini | 93743d2 | 2024-04-01 09:08:13 -0400 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/clock/st,stm32mp25-rcc.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: STM32MP25 Reset Clock Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Gabriel Fernandez <gabriel.fernandez@foss.st.com> |
| 11 | |
| 12 | description: | |
| 13 | The RCC hardware block is both a reset and a clock controller. |
| 14 | RCC makes also power management (resume/supend). |
| 15 | |
| 16 | See also:: |
| 17 | include/dt-bindings/clock/st,stm32mp25-rcc.h |
| 18 | include/dt-bindings/reset/st,stm32mp25-rcc.h |
| 19 | |
| 20 | properties: |
| 21 | compatible: |
| 22 | enum: |
| 23 | - st,stm32mp25-rcc |
| 24 | |
| 25 | reg: |
| 26 | maxItems: 1 |
| 27 | |
| 28 | '#clock-cells': |
| 29 | const: 1 |
| 30 | |
| 31 | '#reset-cells': |
| 32 | const: 1 |
| 33 | |
| 34 | clocks: |
| 35 | items: |
| 36 | - description: CK_SCMI_HSE High Speed External oscillator (8 to 48 MHz) |
| 37 | - description: CK_SCMI_HSI High Speed Internal oscillator (~ 64 MHz) |
| 38 | - description: CK_SCMI_MSI Low Power Internal oscillator (~ 4 MHz or ~ 16 MHz) |
| 39 | - description: CK_SCMI_LSE Low Speed External oscillator (32 KHz) |
| 40 | - description: CK_SCMI_LSI Low Speed Internal oscillator (~ 32 KHz) |
| 41 | |
| 42 | clock-names: |
| 43 | items: |
| 44 | - const: hse |
| 45 | - const: hsi |
| 46 | - const: msi |
| 47 | - const: lse |
| 48 | - const: lsi |
| 49 | |
| 50 | required: |
| 51 | - compatible |
| 52 | - reg |
| 53 | - '#clock-cells' |
| 54 | - '#reset-cells' |
| 55 | - clocks |
| 56 | - clock-names |
| 57 | |
| 58 | additionalProperties: false |
| 59 | |
| 60 | examples: |
| 61 | - | |
| 62 | #include <dt-bindings/clock/st,stm32mp25-rcc.h> |
| 63 | |
| 64 | rcc: clock-controller@44200000 { |
| 65 | compatible = "st,stm32mp25-rcc"; |
| 66 | reg = <0x44200000 0x10000>; |
| 67 | #clock-cells = <1>; |
| 68 | #reset-cells = <1>; |
| 69 | clock-names = "hse", "hsi", "msi", "lse", "lsi"; |
| 70 | clocks = <&scmi_clk CK_SCMI_HSE>, |
| 71 | <&scmi_clk CK_SCMI_HSI>, |
| 72 | <&scmi_clk CK_SCMI_MSI>, |
| 73 | <&scmi_clk CK_SCMI_LSE>, |
| 74 | <&scmi_clk CK_SCMI_LSI>; |
| 75 | }; |
| 76 | ... |