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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2019-07-20 07:07:56 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2019-07-20 07:07:56 +0300
commitc39f2d9db0fd81ea20bb5cce9b3f082ca63753e2 (patch)
tree8e80ed5601b4fb8880a2ca8e08802bc8b1f850bd /Documentation/devicetree/bindings/iio/counter/stm32-lptimer-cnt.txt
parentMerge branch 'next' into for-linus (diff)
parentInput: alps - fix a mismatch between a condition check and its comment (diff)
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Merge branch 'next' into for-linus
Prepare second round of input updates for 5.3 merge window.
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-STMicroelectronics STM32 Low-Power Timer quadrature encoder and counter
-
-STM32 Low-Power Timer provides several counter modes. It can be used as:
-- quadrature encoder to detect angular position and direction of rotary
- elements, from IN1 and IN2 input signals.
-- simple counter from IN1 input signal.
-
-Must be a sub-node of an STM32 Low-Power Timer device tree node.
-See ../mfd/stm32-lptimer.txt for details about the parent node.
-
-Required properties:
-- compatible: Must be "st,stm32-lptimer-counter".
-- pinctrl-names: Set to "default".
-- pinctrl-0: List of phandles pointing to pin configuration nodes,
- to set IN1/IN2 pins in mode of operation for Low-Power
- Timer input on external pin.
-
-Example:
- timer@40002400 {
- compatible = "st,stm32-lptimer";
- ...
- counter {
- compatible = "st,stm32-lptimer-counter";
- pinctrl-names = "default";
- pinctrl-0 = <&lptim1_in_pins>;
- };
- };