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[PATCH v3 5/9] dt-bindings: iio: Add STM32 LPTimer trigger binding

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Add documentation for STMicroelectronics STM32 Low-Power Timer Trigger
binding.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
---
Changes in v3:
- Rob's comments: node name timer@..., update reg property
  description

Changes in v2:
- s/Low Power/Low-Power
- remove leading 0x in example (parent node)
- improve reg property description
---
 .../bindings/iio/timer/stm32-lptimer-trigger.txt   | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt

diff --git a/Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt b/Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt
new file mode 100644
index 0000000..85e6806
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt
@@ -0,0 +1,23 @@
+STMicroelectronics STM32 Low-Power Timer Trigger
+
+STM32 Low-Power Timer provides trigger source (LPTIM output) that can be used
+by STM32 internal ADC and/or DAC.
+
+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-trigger".
+- reg:			Identify trigger hardware block. Must be 0, 1 or 2
+			respectively for lptimer1, lptimer2 or lptimer3
+			trigger output.
+
+Example:
+	timer@40002400 {
+		compatible = "st,stm32-lptimer";
+		...
+		trigger@0 {
+			compatible = "st,stm32-lptimer-trigger";
+			reg = <0>;
+		};
+	};
-- 
1.9.1

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[PATCH v3 0/9] Add STM32 LPTimer: PWM, trigger and counter Fabrice Gasnier <fabrice.gasnier@st.com> - 2017-07-07 18:40 +0200
  [PATCH v3 9/9] iio: adc: stm32: add support for lptimer triggers Fabrice Gasnier <fabrice.gasnier@st.com> - 2017-07-07 18:40 +0200
    Re: [PATCH v3 9/9] iio: adc: stm32: add support for lptimer  triggers Jonathan Cameron <jic23@kernel.org> - 2017-07-09 22:20 +0200
  [PATCH v3 6/9] iio: trigger: Add STM32 LPTimer trigger driver Fabrice Gasnier <fabrice.gasnier@st.com> - 2017-07-07 18:40 +0200
    Re: [PATCH v3 6/9] iio: trigger: Add STM32 LPTimer trigger driver Jonathan Cameron <jic23@kernel.org> - 2017-07-09 22:10 +0200
  [PATCH v3 1/9] dt-bindings: mfd: Add STM32 LPTimer binding Fabrice Gasnier <fabrice.gasnier@st.com> - 2017-07-07 18:40 +0200
    Re: [PATCH v3 1/9] dt-bindings: mfd: Add STM32 LPTimer binding Rob Herring <robh@kernel.org> - 2017-07-10 17:30 +0200
    Re: [PATCH v3 1/9] dt-bindings: mfd: Add STM32 LPTimer binding Lee Jones <lee.jones@linaro.org> - 2017-07-17 20:40 +0200
  [PATCH v3 8/9] iio: counter: Add support for STM32 LPTimer Fabrice Gasnier <fabrice.gasnier@st.com> - 2017-07-07 18:40 +0200
    Re: [PATCH v3 8/9] iio: counter: Add support for STM32 LPTimer Jonathan Cameron <jic23@kernel.org> - 2017-07-09 22:20 +0200
      Re: [PATCH v3 8/9] iio: counter: Add support for STM32 LPTimer William Breathitt Gray <vilhelm.gray@gmail.com> - 2017-07-10 15:00 +0200
  [PATCH v3 3/9] dt-bindings: pwm: Add STM32 LPTimer PWM binding Fabrice Gasnier <fabrice.gasnier@st.com> - 2017-07-07 18:40 +0200
  [PATCH v3 4/9] pwm: Add STM32 LPTimer PWM driver Fabrice Gasnier <fabrice.gasnier@st.com> - 2017-07-07 18:40 +0200
  [PATCH v3 2/9] mfd: Add STM32 LPTimer driver Fabrice Gasnier <fabrice.gasnier@st.com> - 2017-07-07 18:40 +0200
    Re: [PATCH v3 2/9] mfd: Add STM32 LPTimer driver Lee Jones <lee.jones@linaro.org> - 2017-07-17 20:40 +0200
  [PATCH v3 5/9] dt-bindings: iio: Add STM32 LPTimer trigger binding Fabrice Gasnier <fabrice.gasnier@st.com> - 2017-07-07 18:40 +0200
    Re: [PATCH v3 5/9] dt-bindings: iio: Add STM32 LPTimer trigger  binding Rob Herring <robh@kernel.org> - 2017-07-10 17:30 +0200
  [PATCH v3 7/9] dt-bindings: iio: Add STM32 LPTimer quadrature encoder and counter Fabrice Gasnier <fabrice.gasnier@st.com> - 2017-07-07 18:40 +0200

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