diff --git a/arch/arm/dts/k3-am642-sk.dts b/arch/arm/dts/k3-am642-sk.dts
index d3aa290..2e2d40d 100644
--- a/arch/arm/dts/k3-am642-sk.dts
+++ b/arch/arm/dts/k3-am642-sk.dts
@@ -9,10 +9,11 @@
 #include <dt-bindings/phy/phy.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/net/ti-dp83867.h>
+#include <dt-bindings/leds/common.h>
 #include "k3-am642.dtsi"
 
 / {
-	compatible =  "ti,am642-sk", "ti,am642";
+	compatible = "ti,am642-sk", "ti,am642";
 	model = "Texas Instruments AM642 SK";
 
 	chosen {
@@ -125,6 +126,99 @@
 		vin-supply = <&vcc_3v3_sys>;
 		gpio = <&exp1 3 GPIO_ACTIVE_HIGH>;
 	};
+
+	com8_ls_en: regulator-1 {
+		compatible = "regulator-fixed";
+		regulator-name = "com8_ls_en";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+		regulator-boot-on;
+		pinctrl-0 = <&main_com8_ls_en_pins_default>;
+		pinctrl-names = "default";
+		gpio = <&main_gpio0 62 GPIO_ACTIVE_LOW>;
+	};
+
+	wlan_en: regulator-2 {
+		/* output of SN74AVC4T245RSVR */
+		compatible = "regulator-fixed";
+		regulator-name = "wlan_en";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		enable-active-high;
+		pinctrl-0 = <&main_wlan_en_pins_default>;
+		pinctrl-names = "default";
+		vin-supply = <&com8_ls_en>;
+		gpio = <&main_gpio0 48 GPIO_ACTIVE_HIGH>;
+	};
+
+	led-controller {
+		compatible = "gpio-leds";
+
+		led-0 {
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_INDICATOR;
+			function-enumerator = <1>;
+			gpios = <&exp2 0 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-1 {
+			color = <LED_COLOR_ID_RED>;
+			function = LED_FUNCTION_INDICATOR;
+			function-enumerator = <2>;
+			gpios = <&exp2 1 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-2 {
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_INDICATOR;
+			function-enumerator = <3>;
+			gpios = <&exp2 2 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-3 {
+			color = <LED_COLOR_ID_AMBER>;
+			function = LED_FUNCTION_INDICATOR;
+			function-enumerator = <4>;
+			gpios = <&exp2 3 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-4 {
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_INDICATOR;
+			function-enumerator = <5>;
+			gpios = <&exp2 4 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-5 {
+			color = <LED_COLOR_ID_RED>;
+			function = LED_FUNCTION_INDICATOR;
+			function-enumerator = <6>;
+			gpios = <&exp2 5 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-6 {
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_INDICATOR;
+			function-enumerator = <7>;
+			gpios = <&exp2 6 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-7 {
+			color = <LED_COLOR_ID_AMBER>;
+			function = LED_FUNCTION_HEARTBEAT;
+			function-enumerator = <8>;
+			linux,default-trigger = "heartbeat";
+			gpios = <&exp2 7 GPIO_ACTIVE_HIGH>;
+		};
+	};
 };
 
 &main_pmx0 {
@@ -141,6 +235,15 @@
 		>;
 	};
 
+	main_uart0_pins_default: main-uart0-pins-default {
+		pinctrl-single,pins = <
+			AM64X_IOPAD(0x0238, PIN_INPUT, 0) /* (B16) UART0_CTSn */
+			AM64X_IOPAD(0x023c, PIN_OUTPUT, 0) /* (A16) UART0_RTSn */
+			AM64X_IOPAD(0x0230, PIN_INPUT, 0) /* (D15) UART0_RXD */
+			AM64X_IOPAD(0x0234, PIN_OUTPUT, 0) /* (C16) UART0_TXD */
+		>;
+	};
+
 	main_usb0_pins_default: main-usb0-pins-default {
 		pinctrl-single,pins = <
 			AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */
@@ -210,14 +313,35 @@
 			AM64X_IOPAD(0x0008, PIN_INPUT, 0) /* (N19) OSPI0_DQS */
 		>;
 	};
-};
 
-&mcu_uart0 {
-	status = "disabled";
+	main_ecap0_pins_default: main-ecap0-pins-default {
+		pinctrl-single,pins = <
+			AM64X_IOPAD(0x0270, PIN_INPUT, 0) /* (D18) ECAP0_IN_APWM_OUT */
+		>;
+	};
+	main_wlan_en_pins_default: main-wlan-en-pins-default {
+		pinctrl-single,pins = <
+			AM64X_IOPAD(0x00c4, PIN_OUTPUT_PULLUP, 7) /* (V8) GPIO0_48 */
+		>;
+	};
+
+	main_com8_ls_en_pins_default: main-com8-ls-en-pins-default {
+		pinctrl-single,pins = <
+			AM64X_IOPAD(0x00fc, PIN_OUTPUT, 7) /* (U7) PRG1_PRU0_GPO17.GPIO0_62 */
+		>;
+	};
+
+	main_wlan_pins_default: main-wlan-pins-default {
+		pinctrl-single,pins = <
+			AM64X_IOPAD(0x00bc, PIN_INPUT, 7) /* (U8) GPIO0_46 */
+		>;
+	};
 };
 
-&mcu_uart1 {
-	status = "disabled";
+&main_uart0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_uart0_pins_default>;
 };
 
 &main_uart1 {
@@ -225,35 +349,8 @@
 	status = "reserved";
 };
 
-&main_uart2 {
-	status = "disabled";
-};
-
-&main_uart3 {
-	status = "disabled";
-};
-
-&main_uart4 {
-	status = "disabled";
-};
-
-&main_uart5 {
-	status = "disabled";
-};
-
-&main_uart6 {
-	status = "disabled";
-};
-
-&mcu_i2c0 {
-	status = "disabled";
-};
-
-&mcu_i2c1 {
-	status = "disabled";
-};
-
 &main_i2c1 {
+	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_i2c1_pins_default>;
 	clock-frequency = <400000>;
@@ -268,18 +365,14 @@
 				  "VPP_LDO_EN", "RPI_PS_3V3_En",
 				  "RPI_PS_5V0_En", "RPI_HAT_DETECT";
 	};
-};
-
-&main_i2c3 {
-	status = "disabled";
-};
-
-&mcu_spi0 {
-	status = "disabled";
-};
 
-&mcu_spi1 {
-	status = "disabled";
+	exp2: gpio@60 {
+		compatible = "ti,tpic2810";
+		reg = <0x60>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		gpio-line-names = "LED1","LED2","LED3","LED4","LED5","LED6","LED7","LED8";
+	};
 };
 
 /* mcu_gpio0 is reserved for mcu firmware usage */
@@ -287,6 +380,26 @@
 	status = "reserved";
 };
 
+&sdhci0 {
+	vmmc-supply = <&wlan_en>;
+	bus-width = <4>;
+	non-removable;
+	cap-power-off-card;
+	keep-power-in-suspend;
+	ti,driver-strength-ohm = <50>;
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+	wlcore: wlcore@2 {
+		compatible = "ti,wl1837";
+		reg = <2>;
+		pinctrl-0 = <&main_wlan_pins_default>;
+		pinctrl-names = "default";
+		interrupt-parent = <&main_gpio0>;
+		interrupts = <46 IRQ_TYPE_EDGE_FALLING>;
+	};
+};
+
 &sdhci1 {
 	/* SD/MMC */
 	vmmc-supply = <&vdd_mmc1>;
@@ -326,8 +439,7 @@
 
 &cpsw3g {
 	pinctrl-names = "default";
-	pinctrl-0 = <&mdio1_pins_default
-		     &rgmii1_pins_default
+	pinctrl-0 = <&rgmii1_pins_default
 		     &rgmii2_pins_default>;
 };
 
@@ -342,6 +454,10 @@
 };
 
 &cpsw3g_mdio {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&mdio1_pins_default>;
+
 	cpsw3g_phy0: ethernet-phy@0 {
 		reg = <0>;
 		ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
@@ -363,7 +479,7 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&ospi0_pins_default>;
 
-	flash@0{
+	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0x0>;
 		spi-tx-bus-width = <8>;
@@ -374,8 +490,6 @@
 		cdns,tchsh-ns = <60>;
 		cdns,tslch-ns = <60>;
 		cdns,read-delay = <4>;
-		#address-cells = <1>;
-		#size-cells = <1>;
 	};
 };
 
@@ -446,10 +560,9 @@
 			<&main_r5fss1_core1_memory_region>;
 };
 
-&pcie0_rc {
-	status = "disabled";
-};
-
-&pcie0_ep {
-	status = "disabled";
+&ecap0 {
+	status = "okay";
+	/* PWM is available on Pin 1 of header J3 */
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_ecap0_pins_default>;
 };