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>

1 files changed, 40 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
index 1a57b61f5e24..0a14a6baaddd 100644
--- a/arch/arm/boot/dts/omap3-n900.dts
+++ b/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>;