freedom-k66f:Use SPI driver.

Initalize SPI1 on connector J6. No real use, as of yet.

configs/freedom-k66f/include/board.h

@@ -348,6 +348,24 @@
 #define PIN_I2C0_SCL      PIN_I2C0_SCL_3
 #define PIN_I2C0_SDA      PIN_I2C0_SDA_3
 
+/* RF/WIFI
+ *
+ *  J6 Pin Name   K66   Name
+ *  ------ ----- ------ ---------
+ *   1     GND
+ *   2     P3V3
+ *   3     CE     PTB20 PTB20
+ *   4     CS     PTD4  SPI1_PCS0 (use as GPIO)
+ *   5     SCK    PTD5  SPI1_SCK
+ *   6     MOSI   PTD6  SPI1_MOSI
+ *   7     MISO   PTD7  SPI1_MISO
+ *   8     IRQ    PTC18 PTC18
+ */
+
+#define PIN_SPI1_SCK     PIN_SPI1_SCK_3
+#define PIN_SPI1_OUT     PIN_SPI1_SOUT_3
+#define PIN_SPI1_SIN     PIN_SPI1_SIN_3
+
 /*
  * Ethernet MAC/KSZ8081 PHY
  *  ------------------------

configs/freedom-k66f/nsh/defconfig

@@ -223,7 +223,7 @@ CONFIG_KINETIS_UART4=y
 # CONFIG_KINETIS_FLEXCAN0 is not set
 # CONFIG_KINETIS_FLEXCAN1 is not set
 # CONFIG_KINETIS_SPI0 is not set
-# CONFIG_KINETIS_SPI1 is not set
+CONFIG_KINETIS_SPI1=y
 # CONFIG_KINETIS_SPI2 is not set
 CONFIG_KINETIS_I2C0=y
 # CONFIG_KINETIS_I2C1 is not set
@@ -546,7 +546,15 @@ CONFIG_I2C_DRIVER=y
 # CONFIG_ARCH_HAVE_SPI_CRCGENERATION is not set
 # CONFIG_ARCH_HAVE_SPI_CS_CONTROL is not set
 # CONFIG_ARCH_HAVE_SPI_BITORDER is not set
-# CONFIG_SPI is not set
+CONFIG_SPI=y
+# CONFIG_SPI_SLAVE is not set
+CONFIG_SPI_EXCHANGE=y
+# CONFIG_SPI_CMDDATA is not set
+# CONFIG_SPI_CALLBACK is not set
+# CONFIG_SPI_HWFEATURES is not set
+CONFIG_SPI_CS_DELAY_CONTROL=y
+# CONFIG_SPI_DRIVER is not set
+# CONFIG_SPI_BITBANG is not set
 # CONFIG_I2S is not set
 
 #
@@ -608,6 +616,7 @@ CONFIG_MMCSD_NSLOTS=1
 CONFIG_MMCSD_MULTIBLOCK_DISABLE=y
 CONFIG_MMCSD_MMCSUPPORT=y
 CONFIG_MMCSD_HAVECARDDETECT=y
+# CONFIG_MMCSD_SPI is not set
 CONFIG_ARCH_HAVE_SDIO=y
 # CONFIG_SDIO_DMA is not set
 # CONFIG_ARCH_HAVE_SDIOWAIT_WRCOMPLETE is not set

configs/freedom-k66f/src/freedom-k66f.h

@@ -57,6 +57,7 @@
 #define HAVE_PROC        1
 #define HAVE_MMCSD       1
 #define HAVE_AUTOMOUNTER 1
+#define HAVE_SPI         1
 #define HAVE_USBDEV      1
 
 #if defined(CONFIG_KINETIS_RTC)
@@ -173,6 +174,11 @@
 #  undef CONFIG_KINETIS_SPI2
 #endif
 
+#if !defined(CONFIG_KINETIS_SPI0) && !defined(CONFIG_KINETIS_SPI1) && \
+	!defined(CONFIG_KINETIS_SPI3)
+#  undef HAVE_SPI
+#endif
+
 /* FREEDOM-K66F GPIOs ****************************************************************/
 /* A micro Secure Digital (SD) card slot is available on the FRDM-K66F connected to
  * the SD Host Controller (SDHC) signals of the MCU. This slot will accept micro
@@ -223,6 +229,11 @@
 #define GPIO_LED_G         (GPIO_LOWDRIVE | GPIO_OUTPUT_ONE | PIN_PORTE | PIN6)
 #define GPIO_LED_B         (GPIO_LOWDRIVE | GPIO_OUTPUT_ONE | PIN_PORTA | PIN11)
 
+/* SPI1 on J6 */
+
+#define PIN_CE           (GPIO_LOWDRIVE | GPIO_OUTPUT_ONE | PIN_PORTB | PIN20)
+#define PIN_SPI1_PCS0    (GPIO_LOWDRIVE | GPIO_OUTPUT_ONE | PIN_PORTD | PIN4)
+
 /************************************************************************************
  * Public data
  ************************************************************************************/

configs/freedom-k66f/src/k66_bringup.c

@@ -47,8 +47,10 @@
 #include <debug.h>
 #include <nuttx/board.h>
 
+#include <nuttx/spi/spi.h>
 #include <nuttx/input/buttons.h>
 
+#include "kinetis_spi.h"
 #include "freedom-k66f.h"
 
 #if defined(CONFIG_LIB_BOARDCTL) || defined(CONFIG_BOARD_INITIALIZE)
@@ -67,6 +69,9 @@
 
 int k66_bringup(void)
 {
+#ifdef HAVE_SPI
+  FAR struct spi_dev_s *spi1;
+#endif
   int ret;
 
 #ifdef HAVE_PROC
@@ -151,8 +156,20 @@ int k66_bringup(void)
     }
 #endif
 
+#ifdef HAVE_SPI
+
+  /* Verify we can initialize SPI bus 1 */
+
+  spi1 = kinetis_spibus_initialize(1);
+
+  if (!spi1)
+    {
+      syslog(LOG_ERR, "ERROR:FAILED to initialize SPI port 1\n");
+      return -ENODEV;
+    }
+#endif
+
   UNUSED(ret);
   return OK;
 }
-
 #endif /* CONFIG_LIB_BOARDCTL CONFIG_BOARD_INITIALIZE */

configs/freedom-k66f/src/k66_spi.c

@@ -69,7 +69,10 @@
 
 void weak_function k66_spidev_initialize(void)
 {
-# warning "Missing logic"
+  /* Initialize the CE CS pins on J6 RF/WIFI connector */
+
+  kinetis_pinconfig(PIN_CE);
+  kinetis_pinconfig(PIN_SPI1_PCS0);
 }
 
 /************************************************************************************
@@ -118,7 +121,7 @@ uint8_t kinetis_spi0status(FAR struct spi_dev_s *dev, uint32_t devid)
 void kinetis_spi1select(FAR struct spi_dev_s *dev, uint32_t devid, bool selected)
 {
   spiinfo("devid: %d CS: %s\n", (int)devid, selected ? "assert" : "de-assert");
-# warning "Missing logic"
+  kinetis_gpiowrite(PIN_SPI1_PCS0, !selected);
 }
 
 uint8_t kinetis_spi1status(FAR struct spi_dev_s *dev, uint32_t devid)