st,stm32f1-clock-mco
Vendor: STMicroelectronics
Note
An implementation of a driver matching this compatible is available in drivers/clock_control/clock_stm32_mco.c.
Description
STM32 F1 series Microcontroller Clock Output (MCO)
The STM32F1 MCO is similar to other series but has no configurable
prescaler before the output. However, note that certain inputs of
the MCO are fitted with a fixed prescaler, making it possible to
output a slowed down variation of certain clocks.
Example:
&mco1 {
clocks = <&rcc STM32_SRC_LSE MCO1_SEL(7)>;
pinctrl-0 = <&rcc_mco_pa8>;
pinctrl-names = "default";
status = "okay";
};
Note: in the `clocks` property, the domain clock source cell should
use the value representing the base clock, regardless of whether or
not the selected input is fitted with a prescaler.
Example:
/* PLL3 clock divided by 2 */
clocks = <&rcc STM32_SRC_PLL3CLK MCO1_SEL(9)>;
/* PLL3 clock */
clocks = <&rcc STM32_SRC_PLL3CLK MCO1_SEL(11)>;
Properties
Properties not inherited from the base binding file.
Name |
Type |
Details |
|---|---|---|
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Pin configuration/s for the first state. Content is specific to the
selected pin controller driver implementation.
This property is required. |
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Names for the provided states. The number of names needs to match the
number of states.
This property is required. |
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Pin configuration/s for the second state. See pinctrl-0.
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Pin configuration/s for the third state. See pinctrl-0.
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Pin configuration/s for the fourth state. See pinctrl-0.
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Pin configuration/s for the fifth state. See pinctrl-0.
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Deprecated properties not inherited from the base binding file.
(None)
Properties inherited from the base binding file, which defines common properties that may be set on many nodes. Not all of these may apply to the “st,stm32f1-clock-mco” compatible.
Name |
Type |
Details |
|---|---|---|
|
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Clock gate information
This property is required. |
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indicates the operational status of a device
Legal values: See Important properties for more information. |
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compatible strings
This property is required. See Important properties for more information. |
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register space
See Important properties for more information. |
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name of each register space
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interrupts for device
See Important properties for more information. |
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extended interrupt specifier for device
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name of each interrupt
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phandle to interrupt controller node
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Human readable string describing the device (used as device_get_binding() argument)
See Important properties for more information. This property is deprecated. |
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name of each clock
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number of address cells in reg property
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number of size cells in reg property
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DMA channels specifiers
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Provided names of DMA channel specifiers
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IO channels specifiers
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Provided names of IO channel specifiers
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mailbox / IPM channels specifiers
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Provided names of mailbox / IPM channel specifiers
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Power domain specifiers
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Provided names of power domain specifiers
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Number of cells in power-domains property
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Do not initialize device automatically on boot. Device should be manually
initialized using device_init().
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Property to identify that a device can be used as wake up source.
When this property is provided a specific flag is set into the
device that tells the system that the device is capable of
wake up the system.
Wake up capable devices are disabled (interruptions will not wake up
the system) by default but they can be enabled at runtime if necessary.
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Automatically configure the device for runtime power management after the
init function runs.
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List of power states that will disable this device power.
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