Define SPI pins for K66F.

Required for testing.

Author: mprse

targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_K66F/TARGET_FRDM/PeripheralNames.h

@@ -124,14 +124,19 @@ typedef enum {
     DAC_0 = 0
 } DACName;
 
-
 #define SPI_COUNT 3
 typedef enum {
     SPI_0 = 0,
     SPI_1 = 1,
     SPI_2 = 2,
 } SPIName;
 
+/* Specify master/slave interfaces for testing purposes. */ 
+#define SPI_TEST_MASTER SPI_2
+#define SPI_TEST_SLAVE SPI_0
+#define SPI_TEST_MASTER_PIN(SPI_PIN) SPI_2##_##SPI_PIN
+#define SPI_TEST_SLAVE_PIN(SPI_PIN)  SPI_0##_##SPI_PIN
+
 #ifdef __cplusplus
 }
 #endif

targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_K66F/TARGET_FRDM/PinNames.h

@@ -232,6 +232,26 @@ typedef enum {
 
     I2C_SCL = D15,
     I2C_SDA = D14,
+    
+    /* Note: 
+    This board does not provide SPI MOSI/MISO pins, instead we have SIN/SOUT pins which can be used
+    as SPI MOSI/MISO lines depending on SPI operation mode(master or slave):
+    master: SIN  ---> MISO
+            SOUT ---> MOSI
+    slave:  SIN  ---> MOSI
+            SOUT ---> MISO
+
+    SPI_0 interface represents SPI pins configuration for slave and SPI_2 respresents spi configuration
+    for master.
+    */
+    SPI_0_MOSI   = PTD3,
+    SPI_0_MISO   = PTD2,
+    SPI_0_SCK    = PTD1,
+    SPI_0_CS     = PTD0,
+    SPI_2_MOSI   = PTD13,
+    SPI_2_MISO   = PTB23,
+    SPI_2_SCK    = PTD12,
+    SPI_2_CS     = PTB20,
 
     A0 = PTB7,
     A1 = PTB6,