Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755159AbdFXUOu (ORCPT ); Sat, 24 Jun 2017 16:14:50 -0400 Received: from mail.kernel.org ([198.145.29.99]:34030 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754667AbdFXUOs (ORCPT ); Sat, 24 Jun 2017 16:14:48 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BCF9C22B68 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=jic23@kernel.org Date: Sat, 24 Jun 2017 21:14:41 +0100 From: Jonathan Cameron To: Fabrice Gasnier Cc: , , , , , , , , , , , , Subject: Re: [PATCH v2 7/8] dt-bindings: iio: Add STM32 LPTimer quadrature encoder and counter Message-ID: <20170624211441.18ddfe81@kernel.org> In-Reply-To: <1498055415-31513-8-git-send-email-fabrice.gasnier@st.com> References: <1498055415-31513-1-git-send-email-fabrice.gasnier@st.com> <1498055415-31513-8-git-send-email-fabrice.gasnier@st.com> X-Mailer: Claws Mail 3.15.0-dirty (GTK+ 2.24.31; x86_64-unknown-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1950 Lines: 51 On Wed, 21 Jun 2017 16:30:14 +0200 Fabrice Gasnier wrote: > Add documentation for STMicroelectronics STM32 Low-Power Timer > quadrature encoder and counter binding. > > Signed-off-by: Fabrice Gasnier Acked-by: Jonathan Cameron > --- > Changes in v2: > - s/Low Power/Low-Power > - remove leading 0x in example (parent node) > - improve properties descriptions > --- > .../bindings/iio/counter/stm32-lptimer-cnt.txt | 27 ++++++++++++++++++++++ > 1 file changed, 27 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/counter/stm32-lptimer-cnt.txt > > diff --git a/Documentation/devicetree/bindings/iio/counter/stm32-lptimer-cnt.txt b/Documentation/devicetree/bindings/iio/counter/stm32-lptimer-cnt.txt > new file mode 100644 > index 0000000..b9fd014 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/counter/stm32-lptimer-cnt.txt > @@ -0,0 +1,27 @@ > +STMicroelectronics STM32 Low-Power Timer quadrature encoder and counter > + > +STM32 Low-Power Timer provides several counter modes. It can be used as: > +- quadrature encoder to detect angular position and direction of rotary > + elements, from IN1 and IN2 input signals. > +- simple counter from IN1 input signal. > + > +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-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: > + lptimer1: lptimer@40002400 { > + compatible = "st,stm32-lptimer"; > + ... > + counter { > + compatible = "st,stm32-lptimer-counter"; > + pinctrl-names = "default"; > + pinctrl-0 = <&lptim1_in_pins>; > + }; > + };