On Wed, May 16, 2018 at 12:51 PM, William Breathitt Gray
<vilhelm.gray@xxxxxxxxx> wrote:
> From: Benjamin Gaignard <benjamin.gaignard@xxxxxx>
v6? Where's v1-v5?
> Add bindings for STM32 Timer quadrature encoder.
> It is a sub-node of STM32 Timer which implement the
> counter part of the hardware.
>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxx>
> Signed-off-by: William Breathitt Gray <vilhelm.gray@xxxxxxxxx>
> ---
> .../bindings/counter/stm32-timer-cnt.txt | 26 +++++++++++++++++++
> .../devicetree/bindings/mfd/stm32-timers.txt | 7 +++++
> 2 files changed, 33 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/counter/stm32-timer-cnt.txt
>
> diff --git a/Documentation/devicetree/bindings/counter/stm32-timer-cnt.txt b/Documentation/devicetree/bindings/counter/stm32-timer-cnt.txt
> new file mode 100644
> index 000000000000..377728128bef
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/counter/stm32-timer-cnt.txt
> @@ -0,0 +1,26 @@
> +STMicroelectronics STM32 Timer quadrature encoder
> +
> +STM32 Timer provides quadrature encoder counter mode to detect
'mode' does not sound like a sub-block of the timers block.
> +angular position and direction of rotary elements,
> +from IN1 and IN2 input signals.
> +
> +Must be a sub-node of an STM32 Timer device tree node.
> +See ../mfd/stm32-timers.txt for details about the parent node.
> +
> +Required properties:
> +- compatible: Must be "st,stm32-timer-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:
> + timers@40010000 {
> + compatible = "st,stm32-timers";
> + ...
> + counter {
> + compatible = "st,stm32-timer-counter";
Is there only 1? How is the counter addressed?
> + pinctrl-names = "default";
> + pinctrl-0 = <&tim1_in_pins>;
> + };
> + };
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