/*
* Omnivision OV2659 CMOS Image Sensor driver
*
* Copyright (C) 2015 Texas Instruments, Inc.
*
* Benoit Parrot <bparrot@ti.com>
* Lad, Prabhakar <prabhakar.csengg@gmail.com>
*
* This program is free software; you may redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/of_graph.h>
#include <media/i2c/ov2659.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-event.h>
#include <media/v4l2-fwnode.h>
#include <media/v4l2-image-sizes.h>
#include <media/v4l2-subdev.h>
#define DRIVER_NAME "ov2659"
/*
* OV2659 register definitions
*/
#define REG_SOFTWARE_STANDBY 0x0100
#define REG_SOFTWARE_RESET 0x0103
#define REG_IO_CTRL00 0x3000
#define REG_IO_CTRL01 0x3001
#define REG_IO_CTRL02 0x3002
#define REG_OUTPUT_VALUE00 0x3008
#define REG_OUTPUT_VALUE01 0x3009
#define REG_OUTPUT_VALUE02 0x300d
#define REG_OUTPUT_SELECT00 0x300e
#define REG_OUTPUT_SELECT01 0x300f
#define REG_OUTPUT_SELECT02 0x3010
#define REG_OUTPUT_DRIVE 0x3011
#define REG_INPUT_READOUT00 0x302d
#define REG_INPUT