ARM: dts: omap3-igep: Add support for LBEE1USJYC WiFi connected to SDIO

The LBEE1USJYC is a WiFi/BT combo module used on OMAP3-based IGEP boards. In
both cases, IGEPv2 Rev. C and IGEP COM MODULE, the module is connected using
the same MMC interface and uses the same GPIOs.

Signed-off-by: Enric Balletbo i Serra <eballetbo@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/omap3-igep.dtsi b/arch/arm/boot/dts/omap3-igep.dtsi
index d4fecce..b3517b2 100644 (file)
--- a/arch/arm/boot/dts/omap3-igep.dtsi
+++ b/arch/arm/boot/dts/omap3-igep.dtsi
@@ -24,6 +24,25 @@
                ti,mcbsp = <&mcbsp2>;
                ti,codec = <&twl_audio>;
        };
+
+       vdd33: regulator-vdd33 {
+               compatible = "regulator-fixed";
+               regulator-name = "vdd33";
+               regulator-always-on;
+       };
+
+       lbee1usjyc_vmmc: lbee1usjyc_vmmc {
+               pinctrl-names = "default";
+               pinctrl-0 = <&lbee1usjyc_pins>;
+               compatible = "regulator-fixed";
+               regulator-name = "regulator-lbee1usjyc";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               gpio = <&gpio5 10 GPIO_ACTIVE_HIGH>;    /* gpio_138 WIFI_PDN */
+               startup-delay-us = <10000>;
+               enable-active-high;
+               vin-supply = <&vdd33>;
+       };
 };
 
 &omap3_pmx_core {
@@ -48,6 +67,15 @@
                >;
        };
 
+       /* WiFi/BT combo */
+       lbee1usjyc_pins: pinmux_lbee1usjyc_pins {
+               pinctrl-single,pins = <
+                       0x136 (PIN_OUTPUT | MUX_MODE4)  /* sdmmc2_dat5.gpio_137 */
+                       0x138 (PIN_OUTPUT | MUX_MODE4)  /* sdmmc2_dat6.gpio_138 */
+                       0x13a (PIN_OUTPUT | MUX_MODE4)  /* sdmmc2_dat7.gpio_139 */
+               >;
+       };
+
        mcbsp2_pins: pinmux_mcbsp2_pins {
                pinctrl-single,pins = <
                        0x10c (PIN_INPUT | MUX_MODE0)           /* mcbsp2_fsx.mcbsp2_fsx */
@@ -68,6 +96,17 @@
                >;
        };
 
+       mmc2_pins: pinmux_mmc2_pins {
+               pinctrl-single,pins = <
+                       0x128 (PIN_INPUT_PULLUP | MUX_MODE0)    /* sdmmc2_clk.sdmmc2_clk */
+                       0x12a (PIN_INPUT_PULLUP | MUX_MODE0)    /* sdmmc2_cmd.sdmmc2_cmd */
+                       0x12c (PIN_INPUT_PULLUP | MUX_MODE0)    /* sdmmc2_dat0.sdmmc2_dat0 */
+                       0x12e (PIN_INPUT_PULLUP | MUX_MODE0)    /* sdmmc2_dat1.sdmmc2_dat1 */
+                       0x130 (PIN_INPUT_PULLUP | MUX_MODE0)    /* sdmmc2_dat2.sdmmc2_dat2 */
+                       0x132 (PIN_INPUT_PULLUP | MUX_MODE0)    /* sdmmc2_dat3.sdmmc2_dat3 */
+               >;
+       };
+
        smsc911x_pins: pinmux_smsc911x_pins {
                pinctrl-single,pins = <
                        0x1a2 (PIN_INPUT | MUX_MODE4)           /* mcspi1_cs2.gpio_176 */
@@ -114,7 +153,11 @@
 };
 
 &mmc2 {
-       status = "disabled";
+       pinctrl-names = "default";
+       pinctrl-0 = <&mmc2_pins>;
+       vmmc-supply = <&lbee1usjyc_vmmc>;
+       bus-width = <4>;
+       non-removable;
 };
 
 &mmc3 {