1 * Texas Instruments wl1251 wireless lan contro 1 * Texas Instruments wl1251 wireless lan controller
2 2
3 The wl1251 chip can be connected via SPI or vi 3 The wl1251 chip can be connected via SPI or via SDIO. This
4 document describes the binding for the SPI con 4 document describes the binding for the SPI connected chip.
5 5
6 Required properties: 6 Required properties:
7 - compatible : Should be "ti,wl1251" 7 - compatible : Should be "ti,wl1251"
8 - reg : Chip select address of d 8 - reg : Chip select address of device
9 - spi-max-frequency : Maximum SPI clocking spe 9 - spi-max-frequency : Maximum SPI clocking speed of device in Hz
10 - interrupts : Should contain interrupt 10 - interrupts : Should contain interrupt line
11 - vio-supply : phandle to regulator pro 11 - vio-supply : phandle to regulator providing VIO
12 12
13 Optional properties: 13 Optional properties:
14 - ti,wl1251-has-eeprom : boolean, the wl1251 h 14 - ti,wl1251-has-eeprom : boolean, the wl1251 has an eeprom connected, which
15 provides configuratio 15 provides configuration data (calibration, MAC, ...)
16 - ti,power-gpio : GPIO connected to chi 16 - ti,power-gpio : GPIO connected to chip's PMEN pin if operated in
17 SPI mode 17 SPI mode
18 - Please consult Documentation/devicetree/bind 18 - Please consult Documentation/devicetree/bindings/spi/spi-bus.txt
19 for optional SPI connection related properti 19 for optional SPI connection related properties,
20 20
21 Examples: 21 Examples:
22 22
23 &spi1 { 23 &spi1 {
24 wl1251@0 { 24 wl1251@0 {
25 compatible = "ti,wl1251"; 25 compatible = "ti,wl1251";
26 26
27 reg = <0>; 27 reg = <0>;
28 spi-max-frequency = <48000000> 28 spi-max-frequency = <48000000>;
29 spi-cpol; 29 spi-cpol;
30 spi-cpha; 30 spi-cpha;
31 31
32 interrupt-parent = <&gpio2>; 32 interrupt-parent = <&gpio2>;
33 interrupts = <10 IRQ_TYPE_NONE 33 interrupts = <10 IRQ_TYPE_NONE>; /* gpio line 42 */
34 34
35 vio-supply = <&vio>; 35 vio-supply = <&vio>;
36 ti,power-gpio = <&gpio3 23 GPI 36 ti,power-gpio = <&gpio3 23 GPIO_ACTIVE_HIGH>; /* 87 */
37 }; 37 };
38 }; 38 };
39 39
40 &mmc3 { 40 &mmc3 {
41 vmmc-supply = <&wlan_en>; 41 vmmc-supply = <&wlan_en>;
42 42
43 bus-width = <4>; 43 bus-width = <4>;
44 non-removable; 44 non-removable;
45 ti,non-removable; 45 ti,non-removable;
46 cap-power-off-card; 46 cap-power-off-card;
47 47
48 pinctrl-names = "default"; 48 pinctrl-names = "default";
49 pinctrl-0 = <&mmc3_pins>; 49 pinctrl-0 = <&mmc3_pins>;
50 50
51 #address-cells = <1>; 51 #address-cells = <1>;
52 #size-cells = <0>; 52 #size-cells = <0>;
53 53
54 wlan: wifi@1 { 54 wlan: wifi@1 {
55 compatible = "ti,wl1251"; 55 compatible = "ti,wl1251";
56 56
57 reg = <1>; 57 reg = <1>;
58 58
59 interrupt-parent = <&gpio1>; 59 interrupt-parent = <&gpio1>;
60 interrupts = <21 IRQ_TYPE_LEVE 60 interrupts = <21 IRQ_TYPE_LEVEL_HIGH>; /* GPIO_21 */
61 61
62 ti,wl1251-has-eeprom; 62 ti,wl1251-has-eeprom;
63 }; 63 };
64 }; 64 };
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