1 Microsemi Ocelot pin controller Device Tree Bindings
2 ----------------------------------------------------
3
4 Required properties:
5 - compatible : Should be "mscc,ocelot-pinctrl",
6 "mscc,jaguar2-pinctrl", "microchip,sparx5-pinctrl",
7 "mscc,luton-pinctrl", "mscc,serval-pinctrl",
8 "microchip,lan966x-pinctrl" or "mscc,servalt-pinctrl"
9 - reg : Address and length of the register set for the device
10 - gpio-controller : Indicates this device is a GPIO controller
11 - #gpio-cells : Must be 2.
12 The first cell is the pin number and the
13 second cell specifies GPIO flags, as defined in
14 <dt-bindings/gpio/gpio.h>.
15 - gpio-ranges : Range of pins managed by the GPIO controller.
16
17
18 The ocelot-pinctrl driver uses the generic pin multiplexing and generic pin
19 configuration documented in pinctrl-bindings.txt.
20
21 The following generic properties are supported:
22 - function
23 - pins
24
25 Example:
26 gpio: pinctrl@71070034 {
27 compatible = "mscc,ocelot-pinctrl";
28 reg = <0x71070034 0x28>;
29 gpio-controller;
30 #gpio-cells = <2>;
31 gpio-ranges = <&gpio 0 0 22>;
32
33 uart_pins: uart-pins {
34 pins = "GPIO_6", "GPIO_7";
35 function = "uart";
36 };
37
38 uart2_pins: uart2-pins {
39 pins = "GPIO_12", "GPIO_13";
40 function = "uart2";
41 };
42 };
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