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Diffstat (limited to 'Documentation/devicetree/bindings/hwmon/nsa320-mcu.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/hwmon/nsa320-mcu.txt | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/nsa320-mcu.txt b/Documentation/devicetree/bindings/hwmon/nsa320-mcu.txt new file mode 100644 index 000000000..0863e067c --- /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>; + }; |