[PATCHv2 5/5] Documentation: dt: wireless: Add wl1251

[Sebastian Reichel]

Add device tree binding documentation for Texas Instrument's wl1251
wireless lan chip. For now only the SPI binding is documented.

Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx>
---
 .../devicetree/bindings/net/wireless/ti,wl1251.txt | 39 ++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/wireless/ti,wl1251.txt

diff --git a/Documentation/devicetree/bindings/net/wireless/ti,wl1251.txt b/Documentation/devicetree/bindings/net/wireless/ti,wl1251.txt
new file mode 100644
index 0000000..189ae5c
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/wireless/ti,wl1251.txt
@@ -0,0 +1,39 @@
+* Texas Instruments wl1251 wireless lan controller
+
+The wl1251 chip can be connected via SPI or via SDIO. This
+document describes the binding for the SPI connected chip.
+
+Required properties:
+- compatible :        Should be "ti,wl1251"
+- reg :               Chip select address of device
+- spi-max-frequency : Maximum SPI clocking speed of device in Hz
+- interrupts :        Should contain interrupt line
+- interrupt-parent :  Should be the phandle for the interrupt controller
+                      that services interrupts for this device
+- vio-supply :        phandle to regulator providing VIO
+- ti,power-gpio :     GPIO connected to chip's PMEN pin
+
+Optional properties:
+- ti,wl1251-has-eeprom : boolean, the wl1251 has an eeprom connected, which
+                         provides configuration data (calibration, MAC, ...)
+- Please consult Documentation/devicetree/bindings/spi/spi-bus.txt
+  for optional SPI connection related properties,
+
+Examples:
+
+&spi1 {
+	wl1251@0 {
+		compatible = "ti,wl1251";
+
+		reg = <0>;
+		spi-max-frequency = <48000000>;
+		spi-cpol;
+		spi-cpha;
+
+		interrupt-parent = <&gpio2>;
+		interrupts = <10 IRQ_TYPE_NONE>; /* gpio line 42 */
+
+		vio-supply = <&vio>;
+		ti,power-gpio = <&gpio3 23 GPIO_ACTIVE_HIGH>; /* 87 */
+	};
+};
-- 
1.8.4.3

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