ARM: dts: N950: Add wlan support

Add support for the wl1271 wlan chip. As far as I can see N9 uses the
same chip with the same enable and irq gpio, but they use the mmc
interface instead of the spi interface.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/omap3-n950-n9.dtsi b/arch/arm/boot/dts/omap3-n950-n9.dtsi
index a2c2b8d8dd2c70a2ab5a8007b0cc2e24faeaafd0..ab1174bb409e3c9631a32d66d7fe7d6a2ab7319a 100644 (file)
--- a/arch/arm/boot/dts/omap3-n950-n9.dtsi
+++ b/arch/arm/boot/dts/omap3-n950-n9.dtsi
@@ -31,6 +31,14 @@
                startup-delay-us = <150>;
                enable-active-high;
        };
+
+       vwlan_fixed: fixedregulator@2 {
+               compatible = "regulator-fixed";
+               regulator-name = "VWLAN";
+               gpio = <&gpio2 3 GPIO_ACTIVE_HIGH>; /* gpio 35 */
+               enable-active-high;
+               regulator-boot-off;
+       };
 };
 
 &omap3_pmx_core {
@@ -44,6 +52,13 @@
                        OMAP3_CORE1_IOPAD(0x2162, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat3 */
                >;
        };
+
+       wlan_pins: pinmux_wlan_pins {
+               pinctrl-single,pins = <
+                       OMAP3_CORE1_IOPAD(0x207c, PIN_OUTPUT | MUX_MODE4) /* gpio 35 - wlan enable */
+                       OMAP3_CORE1_IOPAD(0x208a, PIN_INPUT | MUX_MODE4) /* gpio 42 - wlan irq */
+               >;
+       };
 };
 
 &i2c1 {

diff --git a/arch/arm/boot/dts/omap3-n950.dts b/arch/arm/boot/dts/omap3-n950.dts
index 0885b34d5d7da252953c3aaef287a1e20b9dda63..e5967262f28bdffc240255affed510d47129f444 100644 (file)
--- a/arch/arm/boot/dts/omap3-n950.dts
+++ b/arch/arm/boot/dts/omap3-n950.dts
@@ -17,6 +17,17 @@
        compatible = "nokia,omap3-n950", "ti,omap36xx", "ti,omap3";
 };
 
+&omap3_pmx_core {
+       spi4_pins: pinmux_spi4_pins {
+               pinctrl-single,pins = <
+                       OMAP3_CORE1_IOPAD(0x218c, PIN_INPUT_PULLDOWN | MUX_MODE1) /* mcspi4_clk */
+                       OMAP3_CORE1_IOPAD(0x2190, PIN_OUTPUT | MUX_MODE1) /* mcspi4_simo */
+                       OMAP3_CORE1_IOPAD(0x2192, PIN_INPUT_PULLDOWN | MUX_MODE1) /* mcspi4_somi */
+                       OMAP3_CORE1_IOPAD(0x2196, PIN_OUTPUT | MUX_MODE1) /* mcspi4_cs0 */
+               >;
+       };
+};
+
 &i2c2 {
        smia_1: camera@10 {
                compatible = "nokia,smia";
@@ -53,3 +64,21 @@
                };
        };
 };
+
+&mcspi4 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&spi4_pins>;
+
+       wlcore: wlcore@0 {
+               compatible = "ti,wl1271";
+               pinctrl-names = "default";
+               pinctrl-0 = <&wlan_pins>;
+               reg = <0>;
+               spi-max-frequency = <48000000>;
+               clock-xtal;
+               ref-clock-frequency = <38400000>;
+               interrupts-extended = <&gpio2 10 IRQ_TYPE_LEVEL_HIGH>; /* gpio 42 */
+               vwlan-supply = <&vwlan_fixed>;
+       };
+};