* Oxford Semiconductor OXNAS SoC Family Pin Controller Please refer to pinctrl-bindings.txt, ../gpio/gpio.txt, and ../interrupt-controller/interrupts.txt for generic information regarding pin controller, GPIO, and interrupt bindings. OXNAS 'pin configuration node' is a node of a group of pins which can be used for a specific device or function. This node represents configurations of pins, optional function, and optional mux related configuration. Required properties for pin controller node: - compatible: "oxsemi,ox810se-pinctrl" or "oxsemi,ox820-pinctrl" - oxsemi,sys-ctrl: a phandle to the system controller syscon node Required properties for pin configuration sub-nodes: - pins: List of pins to which the configuration applies. Optional properties for pin configuration sub-nodes: ---------------------------------------------------- - function: Mux function for the specified pins. - bias-pull-up: Enable weak pull-up. Example: pinctrl: pinctrl { compatible = "oxsemi,ox810se-pinctrl"; /* Regmap for sys registers */ oxsemi,sys-ctrl = <&sys>; pinctrl_uart2: pinctrl_uart2 { uart2a { pins = "gpio31"; function = "fct3"; }; uart2b { pins = "gpio32"; function = "fct3"; }; }; }; uart2: serial@900000 { compatible = "ns16550a"; reg = <0x900000 0x100000>; clocks = <&sysclk>; interrupts = <29>; reg-shift = <0>; fifo-size = <16>; reg-io-width = <1>; current-speed = <115200>; no-loopback-test; resets = <&reset 22>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart2>; };