Add device tree support for the wireless chip
built into the Nokia N900.
Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx>
---
arch/arm/boot/dts/omap3-n900.dts | 40 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
index e91dae7..0f48b9b 100644
--- a/arch/arm/boot/dts/omap3-n900.dts
+++ b/arch/arm/boot/dts/omap3-n900.dts
@@ -148,6 +148,15 @@
>;
};
+ 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 */
@@ -203,6 +212,13 @@
0x15e (PIN_OUTPUT | MUX_MODE4) /* gpio 157 => cmt_bsi */
>;
};
+
+ 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 {
@@ -603,6 +619,30 @@
};
};
+&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>;
--
1.9.0
--
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