--- zzzz-none-000/linux-3.10.107/arch/arm/boot/dts/omap3-igep0020.dts	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/arm/boot/dts/omap3-igep0020.dts	2021-02-04 17:41:59.000000000 +0000
@@ -1,7 +1,7 @@
 /*
- * Device Tree Source for IGEPv2 board
+ * Device Tree Source for IGEPv2 Rev. C (TI OMAP AM/DM37x)
  *
- * Copyright (C) 2012 Javier Martinez Canillas <javier@collabora.co.uk>
+ * Copyright (C) 2012 Javier Martinez Canillas <javier@osg.samsung.com>
  * Copyright (C) 2012 Enric Balletbo i Serra <eballetbo@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -9,48 +9,50 @@
  * published by the Free Software Foundation.
  */
 
-/include/ "omap3-igep.dtsi"
+#include "omap3-igep0020-common.dtsi"
 
 / {
-	model = "IGEPv2";
-	compatible = "isee,omap3-igep0020", "ti,omap3";
+	model = "IGEPv2 Rev. C (TI OMAP AM/DM37x)";
+	compatible = "isee,omap3-igep0020", "ti,omap36xx", "ti,omap3";
 
-	leds {
-		compatible = "gpio-leds";
-		boot {
-			 label = "omap3:green:boot";
-			 gpios = <&gpio1 26 0>;
-			 default-state = "on";
-		};
-
-		user0 {
-			 label = "omap3:red:user0";
-			 gpios = <&gpio1 27 0>;
-			 default-state = "off";
-		};
-
-		user1 {
-			 label = "omap3:red:user1";
-			 gpios = <&gpio1 28 0>;
-			 default-state = "off";
-		};
-
-		user2 {
-			label = "omap3:green:user1";
-			gpios = <&twl_gpio 19 1>;
-		};
+	/* Regulator to trigger the WIFI_PDN signal of the Wifi module */
+	lbee1usjyc_pdn: lbee1usjyc_pdn {
+		compatible = "regulator-fixed";
+		regulator-name = "regulator-lbee1usjyc-pdn";
+		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;
 	};
-};
 
-&i2c3 {
-	clock-frequency = <100000>;
+	/* Regulator to trigger the RESET_N_W signal of the Wifi module */
+	lbee1usjyc_reset_n_w: lbee1usjyc_reset_n_w {
+		compatible = "regulator-fixed";
+		regulator-name = "regulator-lbee1usjyc-reset-n-w";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio5 11 GPIO_ACTIVE_HIGH>;	/* gpio_139 - RESET_N_W */
+		enable-active-high;
+	};
+};
 
-	/*
-	 * Display monitor features are burnt in the EEPROM
-	 * as EDID data.
-	 */
-	eeprom@50 {
-		compatible = "ti,eeprom";
-		reg = <0x50>;
+&omap3_pmx_core {
+	lbee1usjyc_pins: pinmux_lbee1usjyc_pins {
+		pinctrl-single,pins = <
+			OMAP3_CORE1_IOPAD(0x2166, PIN_OUTPUT | MUX_MODE4)	/* sdmmc2_dat5.gpio_137 - RESET_N_W */
+			OMAP3_CORE1_IOPAD(0x2168, PIN_OUTPUT | MUX_MODE4)	/* sdmmc2_dat6.gpio_138 - WIFI_PDN */
+			OMAP3_CORE1_IOPAD(0x216a, PIN_OUTPUT | MUX_MODE4)	/* sdmmc2_dat7.gpio_139 - RST_N_B */
+		>;
 	};
 };
+
+/* On board Wifi module */
+&mmc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc2_pins &lbee1usjyc_pins>;
+	vmmc-supply = <&lbee1usjyc_pdn>;
+	vmmc_aux-supply = <&lbee1usjyc_reset_n_w>;
+	bus-width = <4>;
+	non-removable;
+};