diff --git a/arch/arm/src/kinetis/chip/kinetis_k66pinmux.h b/arch/arm/src/kinetis/chip/kinetis_k66pinmux.h
index ad15c5ac02..93676e9903 100644
--- a/arch/arm/src/kinetis/chip/kinetis_k66pinmux.h
+++ b/arch/arm/src/kinetis/chip/kinetis_k66pinmux.h
@@ -615,7 +615,7 @@
 #define PIN_TPM1_CH1_3            (PIN_ALT6   | PIN_PORTB | PIN1)
 #define PIN_TPM2_CH0_1            (PIN_ALT6   | PIN_PORTA | PIN10)
 #define PIN_TPM2_CH0_2            (PIN_ALT6   | PIN_PORTB | PIN18)
-#define PIN_TPM2_CH1_1            (PIN_ALT1   | PIN_PORTA | PIN11)
+#define PIN_TPM2_CH1_1            (PIN_ALT6   | PIN_PORTA | PIN11)
 #define PIN_TPM2_CH1_2            (PIN_ALT6   | PIN_PORTB | PIN19)
 
 #define PIN_TPM_CLKIN0_1          (PIN_ALT7   | PIN_PORTA | PIN18)
diff --git a/arch/arm/src/kinetis/kinetis.h b/arch/arm/src/kinetis/kinetis.h
index 89ab791741..a1558179fd 100644
--- a/arch/arm/src/kinetis/kinetis.h
+++ b/arch/arm/src/kinetis/kinetis.h
@@ -82,7 +82,8 @@
 /* Port Modes */
                                                        /* Unshifted versions: */
 #define PIN_MODE_ANALOG        (0)                     /*   000 Pin Disabled (Analog) */
-#define PIN_MODE_GPIO          (1)                     /*   001 Alternative 1 (GPIO) */
+#define PIN_MODE_ALT1          (1)                     /*   001 Alternative 1 */
+#define PIN_MODE_GPIO          PIN_MODE_ALT1           /*   001 Alternative 1 (GPIO) */
 #define PIN_MODE_ALT2          (2)                     /*   010 Alternative 2 */
 #define PIN_MODE_ALT3          (3)                     /*   011 Alternative 3 */
 #define PIN_MODE_ALT4          (4)                     /*   100 Alternative 4 */
@@ -91,6 +92,7 @@
 #define PIN_MODE_ALT7          (7)                     /*   111 Alternative 7 */
                                                        /* Shifted versions: */
 #define _PIN_MODE_ANALOG       (0 << _PIN_MODE_SHIFT)  /*   000 Pin Disabled (Analog) */
+#define _PIN_MODE_ALT1         (1 << _PIN_MODE_SHIFT)  /*   001 Alternative 1 */
 #define _PIN_MODE_GPIO         (1 << _PIN_MODE_SHIFT)  /*   001 Alternative 1 (GPIO) */
 #define _PIN_MODE_ALT2         (2 << _PIN_MODE_SHIFT)  /*   010 Alternative 2 */
 #define _PIN_MODE_ALT3         (3 << _PIN_MODE_SHIFT)  /*   011 Alternative 3 */
@@ -137,6 +139,17 @@
 #define GPIO_LOWDRIVE          (_PIN_MODE_GPIO | _PIN_OUTPUT_LOWDRIVE)
 #define GPIO_HIGHDRIVE         (_PIN_MODE_GPIO | _PIN_OUTPUT_HIGHDRIVE)
 
+#define PIN_ALT1               _PIN_MODE_ALT1
+#define PIN_ALT1_INPUT         (_PIN_MODE_ALT1 | _PIN_INPUT)
+#define PIN_ALT1_PULLDOWN      (_PIN_MODE_ALT1 | _PIN_INPUT_PULLDOWN)
+#define PIN_ALT1_PULLUP        (_PIN_MODE_ALT1 | _PIN_INPUT_PULLUP)
+#define PIN_ALT1_OUTPUT        (_PIN_MODE_ALT1 | _PIN_OUTPUT)
+#define PIN_ALT1_FAST          (_PIN_MODE_ALT1 | _PIN_OUTPUT_FAST)
+#define PIN_ALT1_SLOW          (_PIN_MODE_ALT1 | _PIN_OUTPUT_SLOW)
+#define PIN_ALT1_OPENDRAIN     (_PIN_MODE_ALT1 | _PIN_OUTPUT_OPENDRAIN)
+#define PIN_ALT1_LOWDRIVE      (_PIN_MODE_ALT1 | _PIN_OUTPUT_LOWDRIVE)
+#define PIN_ALT1_HIGHDRIVE     (_PIN_MODE_ALT1 | _PIN_OUTPUT_HIGHDRIVE)
+
 #define PIN_ALT2               _PIN_MODE_ALT2
 #define PIN_ALT2_INPUT         (_PIN_MODE_ALT2 | _PIN_INPUT)
 #define PIN_ALT2_PULLDOWN      (_PIN_MODE_ALT2 | _PIN_INPUT_PULLDOWN)