L61: Sensor: Add driver for OPT3006 light sensor.

N/A

Add light sensor.

Signed-off-by: yangjiukui <yangjiukui@xiaomi.com>
Change-Id: If0695aaec21476e68d739c420db732b184c178bb

drivers/sensors/Kconfig

@@ -96,6 +96,21 @@ config SENSORS_BMG160
 	---help---
 		Enable driver support for the Bosch BMG160 gyroscope sensor.
 
+config SENSORS_OPT3006
+	bool "TI OPT3006 Ambient Light Sensor support"
+	default n
+	select I2C
+	select IOEXPANDER
+	---help---
+		Enable driver support for the TI OPT3006 Ambient light sensor.
+
+config SENSORS_OPT3006_BUFFER_NUMBER
+	int "The number of circular buffer for sensor OPT3006"
+	default 1
+	depends on SENSORS_OPT3006
+	---help---
+		The number of the circular buffer used. If the value equal to zero,
+		indicates that the circular buffer is disabled.
 
 config SENSORS_BMI160
 	bool "Bosch BMI160 Inertial Measurement Sensor support"

drivers/sensors/Make.defs

@@ -112,6 +112,10 @@ ifeq ($(CONFIG_SENSORS_BH1750FVI),y)
   CSRCS += bh1750fvi.c
 endif
 
+ifeq ($(CONFIG_SENSORS_OPT3006),y)
+  CSRCS += opt3006.c
+endif
+
 ifeq ($(CONFIG_SENSORS_BMG160),y)
   CSRCS += bmg160.c
 endif

include/nuttx/sensors/opt3006.h

@@ -0,0 +1,101 @@
+/****************************************************************************
+ * include/nuttx/sensors/opt3006.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_SENSORS_OPT3006_H
+#define __INCLUDE_NUTTX_SENSORS_OPT3006_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/i2c/i2c_master.h>
+#include <nuttx/ioexpander/ioexpander.h>
+
+#if defined CONFIG_SENSORS_OPT3006
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+struct opt3006_config_s
+{
+  uint8_t addr;                           /* I2C address */
+  int freq;                               /* I2C frequency */
+  int pin;                                /* Interrupt pin */
+  FAR struct i2c_master_s *i2c;           /* I2C interface */
+  FAR struct ioexpander_dev_s *ioedev;    /* Ioexpander device */
+  uint32_t pinset;                        /* Interrupt pin set */
+};
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C"
+{
+#else
+#define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Inline Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: opt3006_register
+ *
+ * Description:
+ *   Register the OPT3006 character device as 'devno'
+ *
+ * Input Parameters:
+ *   devno   - The user specifies device number, from 0.
+ *   i2c     - An instance of the I2C interface to use to communicate with
+ *              OPT3006
+ *   config  - The board config function for the device.
+ *
+ * Returned Value:
+ *   Return 0 if the driver was successfully initialize; A negated errno
+ *   value is returned on any failure.
+ *
+ * Assumptions/Limitations:
+ *   none
+ *
+ ****************************************************************************/
+
+int opt3006_register(int devno, FAR const struct opt3006_config_s *config);
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* CONFIG_SENSORS_OPT3006 */
+#endif /* __INCLUDE_NUTTX_SENSORS_OPT3006_H */