From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adam Baker Subject: [PATCH 1/3] ARM: mvebu: Define binding for the nsa3xx-hwmon driver Date: Wed, 10 Feb 2016 23:33:42 +0000 Message-ID: <1455147224-6742-2-git-send-email-linux@baker-net.org.uk> References: <1455147224-6742-1-git-send-email-linux@baker-net.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1455147224-6742-1-git-send-email-linux@baker-net.org.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Jason Cooper , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Jean Delvare , Guenter Roeck Cc: Mark Rutland , devicetree@vger.kernel.org, Russell King , Pawel Moll , Ian Campbell , Adam Baker , lm-sensors@lm-sensors.org, Rob Herring , Kumar Gala , linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org Define a binding for the hardware monitoring chip present in several variants of the Zyxel NSA3xx NAS devices. Signed-off-by: Adam Baker --- .../devicetree/bindings/hwmon/nsa320-mcu.txt | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/nsa320-mcu.txt diff --git a/Documentation/devicetree/bindings/hwmon/nsa320-mcu.txt b/Documentation/devicetree/bindings/hwmon/nsa320-mcu.txt new file mode 100644 index 0000000..7b346d4 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/nsa320-mcu.txt @@ -0,0 +1,21 @@ +Bindings for the fan / temperature monitor microcontroller used on +the Zyxel NSA 320 and several subsequent models. + +Required properties: +- compatible : "zyxel,nsa320-mcu" +- data-gpios : The GPIO pin connected to the data line on the MCU +- clk-gpios : The GPIO pin connected to the clock line on the MCU +- act-gpios : The GPIO pin connected to the active line on the MCU + +Example: + + hwmon { + compatible = "zyxel,nsa320-mcu"; + pinctrl-0 = <&pmx_mcu_data &pmx_mcu_clk &pmx_mcu_act>; + pinctrl-names = "default"; + + data-gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>; + clk-gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>; + act-gpios = <&gpio0 17 GPIO_ACTIVE_LOW>; + }; + -- 2.1.4