1 VIA VT8500 and Wondermedia WM8xxx-series pinmu
2
3 These SoCs contain a combined Pinmux/GPIO modu
4 either a GPIO in, GPIO out or as an alternate
5
6 Required properties:
7 - compatible: "via,vt8500-pinctrl", "wm,wm8505
8 "wm8750-pinctrl" or "wm,wm8850-pinctrl
9 - reg: Should contain the physical address of
10 - interrupt-controller: Marks the device node
11 - #interrupt-cells: Should be two.
12 - gpio-controller: Marks the device node as a
13 - #gpio-cells : Should be two. The first cell
14 second cell is used to specify optional para
15 bit 0 - active low
16
17 Please refer to ../gpio/gpio.txt for a general
18
19 Please refer to pinctrl-bindings.txt in this d
20 common pinctrl bindings used by client devices
21 phrase "pin configuration node".
22
23 Each pin configuration node lists the pin(s) t
24 more of the mux functions to select on those p
25 configuration. Each subnode only affects those
26 listed. In other words, a subnode that lists o
27 information about any pull configuration. Simi
28 a pull parameter implies no information about
29
30 Required subnode-properties:
31 - wm,pins: An array of cells. Each cell contai
32
33 Optional subnode-properties:
34 - wm,function: Integer, containing the functio
35 0: GPIO in
36 1: GPIO out
37 2: alternate
38
39 - wm,pull: Integer, representing the pull-down
40 0: none
41 1: down
42 2: up
43
44 Each of wm,function and wm,pull may contain ei
45 will be applied to all pins in wm,pins, or one
46 wm,pins.
47
48 Example:
49
50 pinctrl: pinctrl {
51 compatible = "wm,wm8505-pinctr
52 reg = <0xD8110000 0x10000>;
53 interrupt-controller;
54 #interrupt-cells = <2>;
55 gpio-controller;
56 #gpio-cells = <2>;
57 };
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