From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Fitzgerald Subject: [PATCH v2 13/18] dt-bindings: gpio: Add bindings for GPIO on Cirrus Logic Madera codecs Date: Mon, 24 Apr 2017 17:08:39 +0100 Message-ID: <1493050124-5970-14-git-send-email-rf@opensource.wolfsonmicro.com> References: <1493050124-5970-1-git-send-email-rf@opensource.wolfsonmicro.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from mx0b-001ae601.pphosted.com ([67.231.152.168]:55006 "EHLO mx0b-001ae601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S972968AbdDXQJF (ORCPT ); Mon, 24 Apr 2017 12:09:05 -0400 In-Reply-To: <1493050124-5970-1-git-send-email-rf@opensource.wolfsonmicro.com> Sender: linux-gpio-owner@vger.kernel.org List-Id: linux-gpio@vger.kernel.org To: lee.jones@linaro.org, broonie@kernel.org, linus.walleij@linaro.org, gnurou@gmail.com, robh+dt@kernel.org, tglx@linutronix.de, jason@lakedaemon.net Cc: alsa-devel@alsa-project.org, patches@opensource.wolfsonmicro.com, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org The Cirrus Logic Madera codecs have a range of GPIO pins that can be used as single-bit logic input or output. These are presented as a standard GPIO binding. The second cell in a GPIO binding is currently reserved for future use as chip-specific flags. Signed-off-by: Richard Fitzgerald --- Changes from V1: - moved out of main gpio patch into a separate patch - added gpio-line-names as an optional property .../devicetree/bindings/gpio/gpio-madera.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/gpio-madera.txt diff --git a/Documentation/devicetree/bindings/gpio/gpio-madera.txt b/Documentation/devicetree/bindings/gpio/gpio-madera.txt new file mode 100644 index 0000000..6254f5b --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-madera.txt @@ -0,0 +1,27 @@ +Cirrus Logic Madera class audio codecs gpio driver + +This is a subnode of the parent mfd node. + +See also the core bindings for the parent MFD driver: +See Documentation/devicetree/bindings/mfd/madera.txt + +Required properties: + - compatible : must be "cirrus,madera-gpio" + - gpio-controller : Indicates this device is a GPIO controller. + - #gpio-cells : Must be 2. The first cell is the pin number. The second cell + is reserved for future use and must be zero + +Optional properties: + - gpio-line-names : as described in bindings/gpio/gpio.txt + +Example: + +cs47l85@0 { + compatible = "cirrus,cs47l85"; + + gpio { + compatible = "cirrus,madera-gpio"; + gpio-controller; + #gpio-cells = <2>; + } +}; -- 1.9.1