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    On Wed, 21 Jun 2017, Fabrice Gasnier wrote:

    > Add documentation for STMicroelectronics STM32 Low-Power Timer binding.
    >
    > Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
    > ---
    > 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

    For my own reference:
    Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>

    > diff --git a/Documentation/devicetree/bindings/mfd/stm32-lptimer.txt b/Documentation/devicetree/bindings/mfd/stm32-lptimer.txt
    > new file mode 100644
    > index 0000000..af859c8
    > --- /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:
    > +
    > + lptimer1: lptimer@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>;
    > + };
    > + };

    --
    Lee Jones
    Linaro STMicroelectronics Landing Team Lead
    Linaro.org │ Open source software for ARM SoCs
    Follow Linaro: Facebook | Twitter | Blog

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