From 8d801243192f4dca693f9ff0c7953ff2ce01164d Mon Sep 17 00:00:00 2001 From: Adam Baker Date: Sat, 5 Mar 2016 15:34:55 +0000 Subject: [PATCH] hwmon: Define binding for the nsa320-hwmon driver Define a binding for the hardware monitoring chip present in the Zyxel NSA-320 and some of the other Zyxel NAS devices. Signed-off-by: Adam Baker Acked-by: Rob Herring [groeck: Fixed whitespace error] Signed-off-by: Guenter Roeck --- .../devicetree/bindings/hwmon/nsa320-mcu.txt | 20 +++++++++++++++++++ 1 file changed, 20 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 000000000000..0863e067c85b --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/nsa320-mcu.txt @@ -0,0 +1,20 @@ +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>; + }; -- 2.20.1