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STM32 Timers driver bindings
This IP provides 3 types of timer along with PWM functionality:
- advanced-control timers consist of a 16-bit auto-reload counter driven by a programmable
prescaler, break input feature, PWM outputs and complementary PWM ouputs channels.
- general-purpose timers consist of a 16-bit or 32-bit auto-reload counter driven by a
programmable prescaler and PWM outputs.
- basic timers consist of a 16-bit auto-reload counter driven by a programmable prescaler.
Required parameters:
- compatible: must be "st,stm32-timers"
- reg: Physical base address and length of the controller's
registers.
- clock-names: Set to "int".
- clocks: Phandle to the clock used by the timer module.
For Clk properties, please refer to ../clock/clock-bindings.txt
Optional parameters:
- resets: Phandle to the parent reset controller.
See ../reset/st,stm32-rcc.txt
Optional subnodes:
- pwm: See ../pwm/pwm-stm32.txt
- timer: See ../iio/timer/stm32-timer-trigger.txt
Example:
timers@40010000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "st,stm32-timers";
reg = <0x40010000 0x400>;
clocks = <&rcc 0 160>;
clock-names = "int";
pwm {
compatible = "st,stm32-pwm";
pinctrl-0 = <&pwm1_pins>;
pinctrl-names = "default";
};
timer@0 {
compatible = "st,stm32-timer-trigger";
reg = <0>;
};
};
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