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[PATCH v3 1/9] dt-bindings: mfd: Add STM32 LPTimer binding

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Add documentation for STMicroelectronics STM32 Low-Power Timer binding.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
---
Changes in v3:
- Rob's comment on node name: timer@...

Changes in v2:
- Lee's comments: s/Low Power/Low-Power/, remove 0x in example, improve
  properties descriptions
---
 .../devicetree/bindings/mfd/stm32-lptimer.txt      | 48 ++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/stm32-lptimer.txt

diff --git a/Documentation/devicetree/bindings/mfd/stm32-lptimer.txt b/Documentation/devicetree/bindings/mfd/stm32-lptimer.txt
new file mode 100644
index 0000000..2a9ff29
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/stm32-lptimer.txt
@@ -0,0 +1,48 @@
+STMicroelectronics STM32 Low-Power Timer
+
+The STM32 Low-Power Timer (LPTIM) is a 16-bit timer that provides several
+functions:
+- PWM output (with programmable prescaler, configurable polarity)
+- Quadrature encoder, counter
+- Trigger source for STM32 ADC/DAC (LPTIM_OUT)
+
+Required properties:
+- compatible:		Must be "st,stm32-lptimer".
+- reg:			Offset and length of the device's register set.
+- clocks:		Phandle to the clock used by the LP Timer module.
+- clock-names:		Must be "mux".
+- #address-cells:	Should be '<1>'.
+- #size-cells:		Should be '<0>'.
+
+Optional subnodes:
+- pwm:			See ../pwm/pwm-stm32-lp.txt
+- counter:		See ../iio/timer/stm32-lptimer-cnt.txt
+- trigger:		See ../iio/timer/stm32-lptimer-trigger.txt
+
+Example:
+
+	timer@40002400 {
+		compatible = "st,stm32-lptimer";
+		reg = <0x40002400 0x400>;
+		clocks = <&timer_clk>;
+		clock-names = "mux";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		pwm {
+			compatible = "st,stm32-pwm-lp";
+			pinctrl-names = "default";
+			pinctrl-0 = <&lppwm1_pins>;
+		};
+
+		trigger@0 {
+			compatible = "st,stm32-lptimer-trigger";
+			reg = <0>;
+		};
+
+		counter {
+			compatible = "st,stm32-lptimer-counter";
+			pinctrl-names = "default";
+			pinctrl-0 = <&lptim1_in_pins>;
+		};
+	};
-- 
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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