linux-kernel - Re: [PATCH v5 6/8] dt-bindings: counter: Document stm32 quadrature encoder

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Date:   Sat, 24 Mar 2018 17:23:50 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     William Breathitt Gray <vilhelm.gray@...il.com>
Cc:     knaack.h@....de, lars@...afoo.de, pmeerw@...erw.net,
        benjamin.gaignard@...com, linux-iio@...r.kernel.org,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Subject: Re: [PATCH v5 6/8] dt-bindings: counter: Document stm32 quadrature
 encoder

On Fri,  9 Mar 2018 13:43:32 -0500
William Breathitt Gray <vilhelm.gray@...il.com> wrote:

> From: Benjamin Gaignard <benjamin.gaignard@...com>
> 
> Add bindings for STM32 Timer quadrature encoder.
> It is a sub-node of STM32 Timer which implement the
> counter part of the hardware.
> 
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
> Signed-off-by: William Breathitt Gray <vilhelm.gray@...il.com>
You are missing the device tree list and maintainers +CC

looks fine to me.

Jonathan

> ---
>  .../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
> +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@...10000  {
> +		compatible = "st,stm32-timers";
> +		...
> +		counter {
> +			compatible = "st,stm32-timer-counter";
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&tim1_in_pins>;
> +		};
> +	};
> diff --git a/Documentation/devicetree/bindings/mfd/stm32-timers.txt b/Documentation/devicetree/bindings/mfd/stm32-timers.txt
> index 1db6e0057a63..ff9c14ada30b 100644
> --- a/Documentation/devicetree/bindings/mfd/stm32-timers.txt
> +++ b/Documentation/devicetree/bindings/mfd/stm32-timers.txt
> @@ -23,6 +23,7 @@ Optional parameters:
>  Optional subnodes:
>  - pwm:			See ../pwm/pwm-stm32.txt
>  - timer:		See ../iio/timer/stm32-timer-trigger.txt
> +- counter:		See ../counter/stm32-timer-cnt.txt
>  
>  Example:
>  	timers@...10000 {
> @@ -43,4 +44,10 @@ Example:
>  			compatible = "st,stm32-timer-trigger";
>  			reg = <0>;
>  		};
> +
> +		counter {
> +			compatible = "st,stm32-timer-counter";
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&tim1_in_pins>;
> +		};
>  	};