diff --git a/samples/basic/rgb_led/README.rst b/samples/basic/rgb_led/README.rst
index 05726bdd498..7329e7a8e19 100644
--- a/samples/basic/rgb_led/README.rst
+++ b/samples/basic/rgb_led/README.rst
@@ -32,6 +32,11 @@ resistor for each of the single color LEDs.
 The sample app requires three PWM ports. So, it can not work
 on Quark D2000 platform.
 
+Hexiwear K64
+============
+No special board setup is necessary because there is an on-board RGB LED
+connected to the K64 PWM.
+
 Building and Running
 ********************
 
diff --git a/samples/basic/rgb_led/prj.conf b/samples/basic/rgb_led/prj.conf
index 49555cead2b..36ddff395bd 100644
--- a/samples/basic/rgb_led/prj.conf
+++ b/samples/basic/rgb_led/prj.conf
@@ -2,3 +2,5 @@ CONFIG_STDOUT_CONSOLE=y
 CONFIG_PRINTK=y
 CONFIG_PWM=y
 CONFIG_PWM_QMSI_NUM_PORTS=3
+CONFIG_SYS_LOG=y
+CONFIG_SYS_LOG_PWM_LEVEL=4
diff --git a/samples/basic/rgb_led/sample.yaml b/samples/basic/rgb_led/sample.yaml
index 772f074de51..50fc1517cfd 100644
--- a/samples/basic/rgb_led/sample.yaml
+++ b/samples/basic/rgb_led/sample.yaml
@@ -4,5 +4,5 @@ sample:
 tests:
 -   test:
         build_only: true
-        platform_whitelist: arduino_101
+        platform_whitelist: arduino_101 hexiwear_k64
         tags: apps
diff --git a/samples/basic/rgb_led/src/main.c b/samples/basic/rgb_led/src/main.c
index 2e770578746..0341a4975af 100644
--- a/samples/basic/rgb_led/src/main.c
+++ b/samples/basic/rgb_led/src/main.c
@@ -14,9 +14,22 @@
 #include <misc/printk.h>
 #include <device.h>
 #include <pwm.h>
+#include <board.h>
 
 #if defined(CONFIG_SOC_QUARK_SE_C1000)
-#define PWM_DEV CONFIG_PWM_QMSI_DEV_NAME
+#define PWM_DEV0	CONFIG_PWM_QMSI_DEV_NAME
+#define PWM_CH0		0
+#define PWM_DEV1	CONFIG_PWM_QMSI_DEV_NAME
+#define PWM_CH1		1
+#define PWM_DEV2	CONFIG_PWM_QMSI_DEV_NAME
+#define PWM_CH2		2
+#elif defined(CONFIG_BOARD_HEXIWEAR_K64)
+#define PWM_DEV0	RED_PWM_NAME
+#define PWM_CH0		RED_PWM_CHANNEL
+#define PWM_DEV1	GREEN_PWM_NAME
+#define PWM_CH1		GREEN_PWM_CHANNEL
+#define PWM_DEV2	BLUE_PWM_NAME
+#define PWM_CH2		BLUE_PWM_CHANNEL
 #else
 #error "Choose supported board or add new board for the application"
 #endif
@@ -38,13 +51,15 @@ static int write_pin(struct device *pwm_dev, u32_t pwm_pin,
 
 void main(void)
 {
-	struct device *pwm_dev;
+	struct device *pwm_dev[3];
 	u32_t pulse_width0, pulse_width1, pulse_width2;
 
 	printk("PWM demo app-RGB LED\n");
 
-	pwm_dev = device_get_binding(PWM_DEV);
-	if (!pwm_dev) {
+	pwm_dev[0] = device_get_binding(PWM_DEV0);
+	pwm_dev[1] = device_get_binding(PWM_DEV1);
+	pwm_dev[2] = device_get_binding(PWM_DEV2);
+	if (!pwm_dev[0] || !pwm_dev[1] || !pwm_dev[2]) {
 		printk("Cannot find PWM device!\n");
 		return;
 	}
@@ -52,22 +67,24 @@ void main(void)
 	while (1) {
 		for (pulse_width0 = 0; pulse_width0 <= PERIOD;
 		     pulse_width0 += STEPSIZE) {
-			if (write_pin(pwm_dev, 0, pulse_width0) != 0) {
+			if (write_pin(pwm_dev[0], PWM_CH0,
+				      pulse_width0) != 0) {
 				printk("pin 0 write fails!\n");
 				return;
 			}
 
 			for (pulse_width1 = 0; pulse_width1 <= PERIOD;
 			     pulse_width1 += STEPSIZE) {
-				if (write_pin(pwm_dev, 1, pulse_width1) != 0) {
+				if (write_pin(pwm_dev[1], PWM_CH1,
+					      pulse_width1) != 0) {
 					printk("pin 1 write fails!\n");
 					return;
 				}
 
 				for (pulse_width2 = 0; pulse_width2 <= PERIOD;
 				     pulse_width2 += STEPSIZE) {
-					if (write_pin(pwm_dev, 2, pulse_width2)
-					    != 0) {
+					if (write_pin(pwm_dev[2], PWM_CH2,
+						      pulse_width2) != 0) {
 						printk("pin 2 write fails!\n");
 						return;
 					}