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Subject[PATCH 3/4] dt-bindings: iio: stm32-lptimer-counter: document pinctrl sleep state
Date
Add documentation for optional pinctrl sleep state that can be used by
STM32 LPTimer encoder/counter.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
---
.../devicetree/bindings/iio/counter/stm32-lptimer-cnt.txt | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/iio/counter/stm32-lptimer-cnt.txt b/Documentation/devicetree/bindings/iio/counter/stm32-lptimer-cnt.txt
index a04aa5c..e90bc47 100644
--- a/Documentation/devicetree/bindings/iio/counter/stm32-lptimer-cnt.txt
+++ b/Documentation/devicetree/bindings/iio/counter/stm32-lptimer-cnt.txt
@@ -10,8 +10,9 @@ 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,
+- pinctrl-names: Set to "default". An additional "sleep" state can be
+ defined to set pins in sleep state.
+- pinctrl-n: 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.

@@ -21,7 +22,8 @@ Example:
...
counter {
compatible = "st,stm32-lptimer-counter";
- pinctrl-names = "default";
+ pinctrl-names = "default", "sleep";
pinctrl-0 = <&lptim1_in_pins>;
+ pinctrl-1 = <&lptim1_sleep_in_pins>;
};
};
--
1.9.1
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