ARM: dts: omap3-gta04a5: add support for ti,wl1837 module

GTA04A5 uses a ti,wl1837 WiFi/Bluetooth module. Overwrite
the mmc2 node and child.

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/omap3-gta04a5.dts b/arch/arm/boot/dts/omap3-gta04a5.dts
index e3352cc97c9123919701700af6e05c40e780c25b..453a87ebb860ac15b7c5b261935a82cfaa459160 100644 (file)
--- a/arch/arm/boot/dts/omap3-gta04a5.dts
+++ b/arch/arm/boot/dts/omap3-gta04a5.dts
@@ -15,6 +15,20 @@
                ti,jack-det-gpio = <&twl_gpio 2 GPIO_ACTIVE_HIGH>;      /* GTA04A5 only */
        };
 
+       wlan_en: wlan_en_regulator {
+               compatible = "regulator-fixed";
+               pinctrl-names = "default";
+               pinctrl-0 = <&wlan_pins>;
+               regulator-name = "wlan-en-regulator";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+
+               gpio = <&gpio5 10 GPIO_ACTIVE_HIGH>;    /* GPIO_138 */
+
+               startup-delay-us = <70000>;
+               enable-active-high;
+       };
+
        pps {
                compatible = "pps-gpio";
                pinctrl-names = "default";
@@ -34,6 +48,18 @@
 };
 
 &omap3_pmx_core {
+       wlan_pins: pinmux_wlan_pins {
+               pinctrl-single,pins = <
+                       OMAP3_CORE1_IOPAD(0x2168, PIN_OUTPUT | MUX_MODE4)       /* mmc2_dat6 = mmc3_dat2 = gpio138 */
+               >;
+       };
+
+       wlan_irq_pin: pinmux_wlan_irq_pin {
+               pinctrl-single,pins = <
+                       OMAP3_CORE1_IOPAD(0x216a, PIN_INPUT_PULLUP | MUX_MODE4) /* mmc2_dat7 = mmc3_dat3 = gpio139 */
+               >;
+       };
+
        irda_pins: pinmux_irda {
                pinctrl-single,pins = <
                        OMAP3_CORE1_IOPAD(0x21d0, PIN_OUTPUT_PULLUP | MUX_MODE4)        /* mcspi1_cs1 = gpio175 */
@@ -47,3 +73,35 @@
        };
 
 };
+
+/*
+ * for WL183x module see
+ * http://lxr.free-electrons.com/source/Documentation/devicetree/bindings/net/wireless/ti,wlcore.txt
+ */
+
+&wifi_pwrseq {
+       /delete-property/ reset-gpios;
+};
+
+&mmc2 {
+       vmmc-supply = <&wlan_en>;
+       bus-width = <4>;
+       cap-power-off-card;
+       non-removable;
+
+       pinctrl-names = "default";
+       pinctrl-0 = <&wlan_irq_pin>;
+
+       #address-cells = <1>;
+       #size-cells = <0>;
+
+       /delete-property/ mmc-pwrseq;
+
+       wlcore: wlcore@2 {
+               compatible = "ti,wl1837";
+               reg = <2>;
+               interrupt-parent = <&gpio5>;
+               interrupts = <11 IRQ_TYPE_LEVEL_HIGH>;  /* GPIO_139 */
+               ref-clock-frequency = <26000000>;
+       };
+};