ARM: dts: omap3-n900: Add WL1251 support

Add device tree support for the wireless chip
built into the Nokia N900.

Signed-off-by: Sebastian Reichel <sre@debian.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap3-n900.dts

@@ -130,6 +130,15 @@
 		>;
 	};
 
+	mcspi4_pins: pinmux_mcspi4_pins {
+		pinctrl-single,pins = <
+			0x15c (PIN_INPUT_PULLDOWN | MUX_MODE1) /* mcspi4_clk */
+			0x162 (PIN_INPUT_PULLDOWN | MUX_MODE1) /* mcspi4_somi */
+			0x160 (PIN_OUTPUT | MUX_MODE1) /* mcspi4_simo */
+			0x166 (PIN_OUTPUT | MUX_MODE1) /* mcspi4_cs0 */
+		>;
+	};
+
 	mmc1_pins: pinmux_mmc1_pins {
 		pinctrl-single,pins = <
 			0x114 (PIN_INPUT_PULLUP | MUX_MODE0)	/* sdmmc1_clk */
@@ -173,6 +182,13 @@
 			0x0da (PIN_OUTPUT | MUX_MODE1)   /* dss_data23.sdi_clkn */
 		>;
 	};
+
+	wl1251_pins: pinmux_wl1251 {
+		pinctrl-single,pins = <
+			0x0ce (PIN_OUTPUT | MUX_MODE4)		/* gpio 87 => wl1251 enable */
+			0x05a (PIN_INPUT | MUX_MODE4)		/* gpio 42 => wl1251 irq */
+		>;
+	};
 };
 
 &i2c1 {
@@ -604,6 +620,30 @@
 	};
 };
 
+&mcspi4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcspi4_pins>;
+
+	wl1251@0 {
+		pinctrl-names = "default";
+		pinctrl-0 = <&wl1251_pins>;
+
+		vio-supply = <&vio>;
+
+		compatible = "ti,wl1251";
+		reg = <0>;
+		spi-max-frequency = <48000000>;
+
+		spi-cpol;
+		spi-cpha;
+
+		ti,power-gpio = <&gpio3 23 GPIO_ACTIVE_HIGH>; /* 87 */
+
+		interrupt-parent = <&gpio2>;
+		interrupts = <10 IRQ_TYPE_NONE>; /* gpio line 42 */
+	};
+};
+
 &usb_otg_hs {
 	interface-type = <0>;
 	usb-phy = <&usb2_phy>;