FUSB302

Update fusb302.c

Update fusb302.c

drivers/usbmisc/Kconfig

@@ -39,6 +39,27 @@ config FUSB301_NPOLLWAITERS
 
 endif
 
+config FUSB302
+	bool "On Semiconductor FUSB302 USB Type-C controller support"
+	default n
+	select I2C
+	---help---
+		Enable device driver for Fairchild/On Semiconductor USB Type-C controller
+
+if FUSB302
+
+config FUSB302_NPOLLWAITERS
+	int "Number of waiters to poll"
+	default 2
+	---help---
+		Maximum number of threads that can be waiting on poll()
+
+config DEBUG_FUSB302_REG
+	bool "Enable register dumps for debug"
+	default n
+
+endif
+
 config FUSB303
 	bool "On Semiconductor FUSB303 USB Type-C controller support"
 	default n

drivers/usbmisc/Make.defs

@@ -26,6 +26,10 @@ ifeq ($(CONFIG_FUSB301),y)
   CSRCS += fusb301.c
 endif
 
+ifeq ($(CONFIG_FUSB302),y)
+  CSRCS += fusb302.c
+endif
+
 ifeq ($(CONFIG_FUSB303),y)
   CSRCS += fusb303.c
 endif

include/nuttx/usb/fusb302.h

@@ -0,0 +1,139 @@
+/****************************************************************************
+ * include/nuttx/usb/fusb302.h
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_NUTTX_USB_FUSB302_H
+#define __INCLUDE_NUTTX_USB_FUSB302_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/fs/ioctl.h>
+
+/****************************************************************************
+ * Pre-Processor Declarations
+ ****************************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C"
+{
+#else
+#define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Default FUSB302 I2C ID */
+
+#define FUSB302_I2C_ADDR      0x22
+
+/* IOCTL Commands ***********************************************************/
+
+#define USBCIOC_READ_DEVID   _USBCIOC(0x0001)  /* Arg: uint8_t* pointer */
+#define USBCIOC_SETUP        _USBCIOC(0x0002)  /* Arg: uint8_t* pointer */
+#define USBCIOC_SET_MODE     _USBCIOC(0x0003)  /* Arg: uint8_t value */
+#define USBCIOC_READ_STATUS  _USBCIOC(0x0004)  /* Arg: uint8_t* pointer*/
+#define USBCIOC_RESET        _USBCIOC(0x0005)  /* Arg: None */
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+enum fusb302_mode_e
+{
+  MODE_NONE = 0,
+  MODE_SRC_POLL_AUTO,
+  MODE_SNK_POLL_AUTO,
+  MODE_DRP_POLL_AUTO,
+
+  /* Revisit - FUSB302 supports other modes not implemented at this time */
+
+#if 0
+  MODE_SRC_POLL_MAN,
+  MODE_DRP_POLL_MAN,
+  MODE_SNK_POLL_MAN,
+#endif
+};
+
+enum fusb_connect_status_e
+{
+  NOTHING_CONNECTED = 0,
+  TOGGLING,
+  SRC_DEVICE_CONNECTED,
+  SNK_DEVICE_CONNECTED,
+  AUDIO_ACCESSORY_CONNECTED,
+  SNK_DETACH_DETECTED,
+  SRC_DETACH_DETECTED,
+  BC_LEVEL_CHANGE_REQUSTED,
+  UNKNOWN_CONNECTED,
+  CONNECT_ERROR,
+};
+
+struct fusb302_config_s
+{
+  /* Device characterization */
+
+  int irq;
+
+  CODE int  (*irq_attach)(FAR struct fusb302_config_s *state, xcpt_t isr,
+                          FAR void *arg);
+  CODE void (*irq_enable)(FAR struct fusb302_config_s *state, bool enable);
+  CODE void (*irq_clear)(FAR struct fusb302_config_s *state);
+
+  FAR struct i2c_master_s *i2c;
+  uint8_t i2c_addr;
+};
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: fusb302_register
+ *
+ * Description:
+ *   Register the FUSB302 character device as 'devpath'
+ *
+ * Input Parameters:
+ *   devpath - The full path to the driver to register. E.g., "/dev/usbc0"
+ *   i2c     - An instance of the I2C interface to use to communicate with
+ *             FUSB302
+ *   addr    - The I2C address of the FUSB302.
+ *             The I2C address of the FUSB302 is 0x22.
+ *   config  - Pointer to FUSB302 configuration
+ *
+ * Returned Value:
+ *   Zero (OK) on success; a negated errno value on failure.
+ *
+ ****************************************************************************/
+
+int fusb302_register(FAR const char *devpath,
+                     FAR struct fusb302_config_s *config);
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __INCLUDE_NUTTX_USB_FUSB302_H */