Added support for the NXP K64 series

Author: emb4fun

hw/bsp/board_mcu.h

@@ -47,7 +47,7 @@
 #elif TU_CHECK_MCU(OPT_MCU_LPC51UXX, OPT_MCU_LPC54XXX, OPT_MCU_LPC55XX, OPT_MCU_MCXN9)
   #include "fsl_device_registers.h"
 
-#elif TU_CHECK_MCU(OPT_MCU_KINETIS_KL, OPT_MCU_KINETIS_K32L)
+#elif TU_CHECK_MCU(OPT_MCU_KINETIS_KL, OPT_MCU_KINETIS_K32L, OPT_MCU_KINETIS_K64)
   #include "fsl_device_registers.h"
 
 #elif CFG_TUSB_MCU == OPT_MCU_NRF5X

src/common/tusb_mcu.h

@@ -97,7 +97,7 @@
   #define TUP_DCD_ENDPOINT_MAX    8
   #define TUP_RHPORT_HIGHSPEED    1
 
-#elif TU_CHECK_MCU(OPT_MCU_KINETIS_KL, OPT_MCU_KINETIS_K32L)
+#elif TU_CHECK_MCU(OPT_MCU_KINETIS_KL, OPT_MCU_KINETIS_K32L, OPT_MCU_KINETIS_K64)
   #define TUP_USBIP_CHIPIDEA_FS
   #define TUP_USBIP_CHIPIDEA_FS_KINETIS
   #define TUP_DCD_ENDPOINT_MAX    16

src/portable/nxp/khci/dcd_khci.c

@@ -269,8 +269,22 @@ void dcd_init(uint8_t rhport)
 {
   (void) rhport;
 
+#if (CFG_TUSB_MCU == OPT_MCU_KINETIS_K64)
+  uint32_t clk_recover_irc_en;
+  uint32_t clk_recover_ctrl;
+  
+  clk_recover_irc_en = KHCI->CLK_RECOVER_IRC_EN;
+  clk_recover_ctrl   = KHCI->CLK_RECOVER_CTRL;
+
+  KHCI->USBTRC0 |= USB_USBTRC0_USBRESET_MASK;
+  while (KHCI->USBTRC0 & USB_USBTRC0_USBRESET_MASK);
+
+  KHCI->CLK_RECOVER_IRC_EN = clk_recover_irc_en;
+  KHCI->CLK_RECOVER_CTRL  |= clk_recover_ctrl;
+#else
   KHCI->USBTRC0 |= USB_USBTRC0_USBRESET_MASK;
   while (KHCI->USBTRC0 & USB_USBTRC0_USBRESET_MASK);
+#endif  
 
   tu_memclr(&_dcd, sizeof(_dcd));
   KHCI->USBTRC0 |= TU_BIT(6); /* software must set this bit to 1 */

src/tusb_option.h

@@ -121,6 +121,7 @@
 #define OPT_MCU_KINETIS_KL       1200 ///< NXP KL series
 #define OPT_MCU_KINETIS_K32L     1201 ///< NXP K32L series
 #define OPT_MCU_KINETIS_K32      1201 ///< Alias to K32L
+#define OPT_MCU_KINETIS_K64      1202 ///< NXP K64 series
 
 #define OPT_MCU_MKL25ZXX         1200 ///< Alias to KL (obsolete)
 #define OPT_MCU_K32L2BXX         1201 ///< Alias to K32 (obsolete)