[PATCH v3] media: add imx355 camera sensor driver

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From: Bingbu Cao <bingbu.cao@xxxxxxxxx>

Add a v4l2 sub-device driver for the Sony imx355 image sensor.
This is a camera sensor using the i2c bus for control and the
csi-2 bus for data.

This driver supports following features:

- manual exposure and analog/digital gain control support
- vblank/hblank control support
- 4 test patterns control support
- vflip/hflip control support (will impact the output bayer order)
- support following resolutions:
    - 3268x2448, 3264x2448, 3280x2464 @ 30fps
    - 1940x1096, 1936x1096, 1924x1080, 1920x1080 @ 60fps
    - 1640x1232, 1640x922, 1300x736, 1296x736,
      1284x720, 1280x720 820x616 @ 120fps
- support 4 bayer orders output (via change v/hflip)
    - SRGGB10(default), SGRBG10, SGBRG10, SBGGR10

Cc: Tomasz Figa <tfiga@xxxxxxxxxxxx>
Cc: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Signed-off-by: Tianshu Qiu <tian.shu.qiu@xxxxxxxxx>
Signed-off-by: Bingbu Cao <bingbu.cao@xxxxxxxxx>

---

This patch is based on sakari's media-tree git:
https://git.linuxtv.org/sailus/media_tree.git/log/?h=for-4.20-8

changes since v2:
 - get CSI-2 link frequencies and external clock
   from firmware
 - select digital gain mode when streaming

changes v1 -> v2:
 - fix some coding style issues - line breaks
 - add v4l2_ctrl_grab() to prevent v/hflip change
   during streaming
 - add v4l2 ctrl event (un)subscribe support
 - correct link frequency
 - add more info into commit message

---

Conflicts:
	MAINTAINERS
	drivers/media/i2c/Kconfig
	drivers/media/i2c/Makefile
---
 MAINTAINERS                |    7 +
 drivers/media/i2c/Kconfig  |   11 +
 drivers/media/i2c/Makefile |    1 +
 drivers/media/i2c/imx355.c | 1856 ++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 1875 insertions(+)
 create mode 100644 drivers/media/i2c/imx355.c

diff --git a/MAINTAINERS b/MAINTAINERS
index f274a9d883bb..4880a9068f1b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -13543,6 +13543,13 @@ T:	git git://linuxtv.org/media_tree.git
 S:	Maintained
 F:	drivers/media/i2c/imx319.c
 
+SONY IMX355 SENSOR DRIVER
+M:	Tianshu Qiu <tian.shu.qiu@xxxxxxxxx>
+L:	linux-media@xxxxxxxxxxxxxxx
+T:	git git://linuxtv.org/media_tree.git
+S:	Maintained
+F:	drivers/media/i2c/imx355.c
+
 SONY MEMORYSTICK CARD SUPPORT
 M:	Alex Dubov <oakad@xxxxxxxxx>
 W:	http://tifmxx.berlios.de/
diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index 603ac087975b..704af210e270 100644
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -625,6 +625,17 @@ config VIDEO_IMX319
 	  To compile this driver as a module, choose M here: the
 	  module will be called imx319.
 
+config VIDEO_IMX355
+	tristate "Sony IMX355 sensor support"
+	depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
+	depends on MEDIA_CAMERA_SUPPORT
+	help
+	  This is a Video4Linux2 sensor driver for the Sony
+	  IMX355 camera.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called imx355.
+
 config VIDEO_OV2640
 	tristate "OmniVision OV2640 sensor support"
 	depends on VIDEO_V4L2 && I2C
diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
index d10b438577be..260d4d9ec2a1 100644
--- a/drivers/media/i2c/Makefile
+++ b/drivers/media/i2c/Makefile
@@ -109,5 +109,6 @@ obj-$(CONFIG_VIDEO_TC358743)	+= tc358743.o
 obj-$(CONFIG_VIDEO_IMX258)	+= imx258.o
 obj-$(CONFIG_VIDEO_IMX274)	+= imx274.o
 obj-$(CONFIG_VIDEO_IMX319)	+= imx319.o
+obj-$(CONFIG_VIDEO_IMX355)	+= imx355.o
 
 obj-$(CONFIG_SDR_MAX2175) += max2175.o
diff --git a/drivers/media/i2c/imx355.c b/drivers/media/i2c/imx355.c
new file mode 100644
index 000000000000..858cd0f8bc10
--- /dev/null
+++ b/drivers/media/i2c/imx355.c
@@ -0,0 +1,1856 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2018 Intel Corporation
+
+#include <asm/unaligned.h>
+#include <linux/acpi.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/pm_runtime.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-fwnode.h>
+
+#define IMX355_REG_MODE_SELECT		0x0100
+#define IMX355_MODE_STANDBY		0x00
+#define IMX355_MODE_STREAMING		0x01
+
+/* Chip ID */
+#define IMX355_REG_CHIP_ID		0x0016
+#define IMX355_CHIP_ID			0x0355
+
+/* V_TIMING internal */
+#define IMX355_REG_FLL			0x0340
+#define IMX355_FLL_MAX			0xffff
+
+/* Exposure control */
+#define IMX355_REG_EXPOSURE		0x0202
+#define IMX355_EXPOSURE_MIN		1
+#define IMX355_EXPOSURE_STEP		1
+#define IMX355_EXPOSURE_DEFAULT		0x0282
+
+/* Analog gain control */
+#define IMX355_REG_ANALOG_GAIN		0x0204
+#define IMX355_ANA_GAIN_MIN		0
+#define IMX355_ANA_GAIN_MAX		960
+#define IMX355_ANA_GAIN_STEP		1
+#define IMX355_ANA_GAIN_DEFAULT		0
+
+/* Digital gain control */
+#define IMX355_REG_DPGA_USE_GLOBAL_GAIN	0x3070
+#define IMX355_REG_DIG_GAIN_GLOBAL	0x020e
+#define IMX355_DGTL_GAIN_MIN		256
+#define IMX355_DGTL_GAIN_MAX		4095
+#define IMX355_DGTL_GAIN_STEP		1
+#define IMX355_DGTL_GAIN_DEFAULT	256
+
+/* Test Pattern Control */
+#define IMX355_REG_TEST_PATTERN		0x0600
+#define IMX355_TEST_PATTERN_DISABLED		0
+#define IMX355_TEST_PATTERN_SOLID_COLOR		1
+#define IMX355_TEST_PATTERN_COLOR_BARS		2
+#define IMX355_TEST_PATTERN_GRAY_COLOR_BARS	3
+#define IMX355_TEST_PATTERN_PN9			4
+
+/* Flip Control */
+#define IMX355_REG_ORIENTATION		0x0101
+
+/* default link frequency and external clock */
+#define IMX355_LINK_FREQ_DEFAULT	360000000
+#define IMX355_EXT_CLK			19200000
+#define IMX355_LINK_FREQ_INDEX		0
+
+struct imx355_reg {
+	u16 address;
+	u8 val;
+};
+
+struct imx355_reg_list {
+	u32 num_of_regs;
+	const struct imx355_reg *regs;
+};
+
+/* Mode : resolution and related config&values */
+struct imx355_mode {
+	/* Frame width */
+	u32 width;
+	/* Frame height */
+	u32 height;
+
+	/* V-timing */
+	u32 fll_def;
+	u32 fll_min;
+
+	/* H-timing */
+	u32 llp;
+
+	/* index of link frequency */
+	u32 link_freq_index;
+
+	/* Default register values */
+	struct imx355_reg_list reg_list;
+};
+
+struct imx355_hwcfg {
+	u32 ext_clk;			/* sensor external clk */
+	s64 *link_freqs;		/* CSI-2 link frequencies */
+	unsigned int nr_of_link_freqs;
+};
+
+struct imx355 {
+	struct v4l2_subdev sd;
+	struct media_pad pad;
+
+	struct v4l2_ctrl_handler ctrl_handler;
+	/* V4L2 Controls */
+	struct v4l2_ctrl *link_freq;
+	struct v4l2_ctrl *pixel_rate;
+	struct v4l2_ctrl *vblank;
+	struct v4l2_ctrl *hblank;
+	struct v4l2_ctrl *exposure;
+	struct v4l2_ctrl *vflip;
+	struct v4l2_ctrl *hflip;
+
+	/* Current mode */
+	const struct imx355_mode *cur_mode;
+
+	struct imx355_hwcfg *hwcfg;
+	s64 link_def_freq;	/* CSI-2 link default frequency */
+
+	/*
+	 * Mutex for serialized access:
+	 * Protect sensor set pad format and start/stop streaming safely.
+	 * Protect access to sensor v4l2 controls.
+	 */
+	struct mutex mutex;
+
+	/* Streaming on/off */
+	bool streaming;
+};
+
+static const struct imx355_reg imx355_global_regs[] = {
+	{ 0x0136, 0x13 },
+	{ 0x0137, 0x33 },
+	{ 0x304e, 0x03 },
+	{ 0x4348, 0x16 },
+	{ 0x4350, 0x19 },
+	{ 0x4408, 0x0a },
+	{ 0x440c, 0x0b },
+	{ 0x4411, 0x5f },
+	{ 0x4412, 0x2c },
+	{ 0x4623, 0x00 },
+	{ 0x462c, 0x0f },
+	{ 0x462d, 0x00 },
+	{ 0x462e, 0x00 },
+	{ 0x4684, 0x54 },
+	{ 0x480a, 0x07 },
+	{ 0x4908, 0x07 },
+	{ 0x4909, 0x07 },
+	{ 0x490d, 0x0a },
+	{ 0x491e, 0x0f },
+	{ 0x4921, 0x06 },
+	{ 0x4923, 0x28 },
+	{ 0x4924, 0x28 },
+	{ 0x4925, 0x29 },
+	{ 0x4926, 0x29 },
+	{ 0x4927, 0x1f },
+	{ 0x4928, 0x20 },
+	{ 0x4929, 0x20 },
+	{ 0x492a, 0x20 },
+	{ 0x492c, 0x05 },
+	{ 0x492d, 0x06 },
+	{ 0x492e, 0x06 },
+	{ 0x492f, 0x06 },
+	{ 0x4930, 0x03 },
+	{ 0x4931, 0x04 },
+	{ 0x4932, 0x04 },
+	{ 0x4933, 0x05 },
+	{ 0x595e, 0x01 },
+	{ 0x5963, 0x01 },
+	{ 0x3030, 0x01 },
+	{ 0x3031, 0x01 },
+	{ 0x3045, 0x01 },
+	{ 0x4010, 0x00 },
+	{ 0x4011, 0x00 },
+	{ 0x4012, 0x00 },
+	{ 0x4013, 0x01 },
+	{ 0x68a8, 0xfe },
+	{ 0x68a9, 0xff },
+	{ 0x6888, 0x00 },
+	{ 0x6889, 0x00 },
+	{ 0x68b0, 0x00 },
+	{ 0x3058, 0x00 },
+	{ 0x305a, 0x00 },
+};
+
+static const struct imx355_reg_list imx355_global_setting = {
+	.num_of_regs = ARRAY_SIZE(imx355_global_regs),
+	.regs = imx355_global_regs,
+};
+
+static const struct imx355_reg mode_3268x2448_regs[] = {
+	{ 0x0112, 0x0a },
+	{ 0x0113, 0x0a },
+	{ 0x0114, 0x03 },
+	{ 0x0342, 0x0e },
+	{ 0x0343, 0x58 },
+	{ 0x0340, 0x0a },
+	{ 0x0341, 0x37 },
+	{ 0x0344, 0x00 },
+	{ 0x0345, 0x08 },
+	{ 0x0346, 0x00 },
+	{ 0x0347, 0x08 },
+	{ 0x0348, 0x0c },
+	{ 0x0349, 0xcb },
+	{ 0x034a, 0x09 },
+	{ 0x034b, 0x97 },
+	{ 0x0220, 0x00 },
+	{ 0x0222, 0x01 },
+	{ 0x0900, 0x00 },
+	{ 0x0901, 0x11 },
+	{ 0x0902, 0x00 },
+	{ 0x034c, 0x0c },
+	{ 0x034d, 0xc4 },
+	{ 0x034e, 0x09 },
+	{ 0x034f, 0x90 },
+	{ 0x0301, 0x05 },
+	{ 0x0303, 0x01 },
+	{ 0x0305, 0x02 },
+	{ 0x0306, 0x00 },
+	{ 0x0307, 0x78 },
+	{ 0x030b, 0x01 },
+	{ 0x030d, 0x02 },
+	{ 0x030e, 0x00 },
+	{ 0x030f, 0x4b },
+	{ 0x0310, 0x00 },
+	{ 0x0700, 0x00 },
+	{ 0x0701, 0x10 },
+	{ 0x0820, 0x0b },
+	{ 0x0821, 0x40 },
+	{ 0x3088, 0x04 },
+	{ 0x6813, 0x02 },
+	{ 0x6835, 0x07 },
+	{ 0x6836, 0x01 },
+	{ 0x6837, 0x04 },
+	{ 0x684d, 0x07 },
+	{ 0x684e, 0x01 },
+	{ 0x684f, 0x04 },
+};
+
+static const struct imx355_reg mode_3264x2448_regs[] = {
+	{ 0x0112, 0x0a },
+	{ 0x0113, 0x0a },
+	{ 0x0114, 0x03 },
+	{ 0x0342, 0x0e },
+	{ 0x0343, 0x58 },
+	{ 0x0340, 0x0a },
+	{ 0x0341, 0x37 },
+	{ 0x0344, 0x00 },
+	{ 0x0345, 0x08 },
+	{ 0x0346, 0x00 },
+	{ 0x0347, 0x08 },
+	{ 0x0348, 0x0c },
+	{ 0x0349, 0xc7 },
+	{ 0x034a, 0x09 },
+	{ 0x034b, 0x97 },
+	{ 0x0220, 0x00 },
+	{ 0x0222, 0x01 },
+	{ 0x0900, 0x00 },
+	{ 0x0901, 0x11 },
+	{ 0x0902, 0x00 },
+	{ 0x034c, 0x0c },
+	{ 0x034d, 0xc0 },
+	{ 0x034e, 0x09 },
+	{ 0x034f, 0x90 },
+	{ 0x0301, 0x05 },
+	{ 0x0303, 0x01 },
+	{ 0x0305, 0x02 },
+	{ 0x0306, 0x00 },
+	{ 0x0307, 0x78 },
+	{ 0x030b, 0x01 },
+	{ 0x030d, 0x02 },
+	{ 0x030e, 0x00 },
+	{ 0x030f, 0x4b },
+	{ 0x0310, 0x00 },
+	{ 0x0700, 0x00 },
+	{ 0x0701, 0x10 },
+	{ 0x0820, 0x0b },
+	{ 0x0821, 0x40 },
+	{ 0x3088, 0x04 },
+	{ 0x6813, 0x02 },
+	{ 0x6835, 0x07 },
+	{ 0x6836, 0x01 },
+	{ 0x6837, 0x04 },
+	{ 0x684d, 0x07 },
+	{ 0x684e, 0x01 },
+	{ 0x684f, 0x04 },
+};
+
+static const struct imx355_reg mode_3280x2464_regs[] = {
+	{ 0x0112, 0x0a },
+	{ 0x0113, 0x0a },
+	{ 0x0114, 0x03 },
+	{ 0x0342, 0x0e },
+	{ 0x0343, 0x58 },
+	{ 0x0340, 0x0a },
+	{ 0x0341, 0x37 },
+	{ 0x0344, 0x00 },
+	{ 0x0345, 0x00 },
+	{ 0x0346, 0x00 },
+	{ 0x0347, 0x00 },
+	{ 0x0348, 0x0c },
+	{ 0x0349, 0xcf },
+	{ 0x034a, 0x09 },
+	{ 0x034b, 0x9f },
+	{ 0x0220, 0x00 },
+	{ 0x0222, 0x01 },
+	{ 0x0900, 0x00 },
+	{ 0x0901, 0x11 },
+	{ 0x0902, 0x00 },
+	{ 0x034c, 0x0c },
+	{ 0x034d, 0xd0 },
+	{ 0x034e, 0x09 },
+	{ 0x034f, 0xa0 },
+	{ 0x0301, 0x05 },
+	{ 0x0303, 0x01 },
+	{ 0x0305, 0x02 },
+	{ 0x0306, 0x00 },
+	{ 0x0307, 0x78 },
+	{ 0x030b, 0x01 },
+	{ 0x030d, 0x02 },
+	{ 0x030e, 0x00 },
+	{ 0x030f, 0x4b },
+	{ 0x0310, 0x00 },
+	{ 0x0700, 0x00 },
+	{ 0x0701, 0x10 },
+	{ 0x0820, 0x0b },
+	{ 0x0821, 0x40 },
+	{ 0x3088, 0x04 },
+	{ 0x6813, 0x02 },
+	{ 0x6835, 0x07 },
+	{ 0x6836, 0x01 },
+	{ 0x6837, 0x04 },
+	{ 0x684d, 0x07 },
+	{ 0x684e, 0x01 },
+	{ 0x684f, 0x04 },
+};
+
+static const struct imx355_reg mode_1940x1096_regs[] = {
+	{ 0x0112, 0x0a },
+	{ 0x0113, 0x0a },
+	{ 0x0114, 0x03 },
+	{ 0x0342, 0x0e },
+	{ 0x0343, 0x58 },
+	{ 0x0340, 0x05 },
+	{ 0x0341, 0x1a },
+	{ 0x0344, 0x02 },
+	{ 0x0345, 0xa0 },
+	{ 0x0346, 0x02 },
+	{ 0x0347, 0xac },
+	{ 0x0348, 0x0a },
+	{ 0x0349, 0x33 },
+	{ 0x034a, 0x06 },
+	{ 0x034b, 0xf3 },
+	{ 0x0220, 0x00 },
+	{ 0x0222, 0x01 },
+	{ 0x0900, 0x00 },
+	{ 0x0901, 0x11 },
+	{ 0x0902, 0x00 },
+	{ 0x034c, 0x07 },
+	{ 0x034d, 0x94 },
+	{ 0x034e, 0x04 },
+	{ 0x034f, 0x48 },
+	{ 0x0301, 0x05 },
+	{ 0x0303, 0x01 },
+	{ 0x0305, 0x02 },
+	{ 0x0306, 0x00 },
+	{ 0x0307, 0x78 },
+	{ 0x030b, 0x01 },
+	{ 0x030d, 0x02 },
+	{ 0x030e, 0x00 },
+	{ 0x030f, 0x4b },
+	{ 0x0310, 0x00 },
+	{ 0x0700, 0x00 },
+	{ 0x0701, 0x10 },
+	{ 0x0820, 0x0b },
+	{ 0x0821, 0x40 },
+	{ 0x3088, 0x04 },
+	{ 0x6813, 0x02 },
+	{ 0x6835, 0x07 },
+	{ 0x6836, 0x01 },
+	{ 0x6837, 0x04 },
+	{ 0x684d, 0x07 },
+	{ 0x684e, 0x01 },
+	{ 0x684f, 0x04 },
+};
+
+static const struct imx355_reg mode_1936x1096_regs[] = {
+	{ 0x0112, 0x0a },
+	{ 0x0113, 0x0a },
+	{ 0x0114, 0x03 },
+	{ 0x0342, 0x0e },
+	{ 0x0343, 0x58 },
+	{ 0x0340, 0x05 },
+	{ 0x0341, 0x1a },
+	{ 0x0344, 0x02 },
+	{ 0x0345, 0xa0 },
+	{ 0x0346, 0x02 },
+	{ 0x0347, 0xac },
+	{ 0x0348, 0x0a },
+	{ 0x0349, 0x2f },
+	{ 0x034a, 0x06 },
+	{ 0x034b, 0xf3 },
+	{ 0x0220, 0x00 },
+	{ 0x0222, 0x01 },
+	{ 0x0900, 0x00 },
+	{ 0x0901, 0x11 },
+	{ 0x0902, 0x00 },
+	{ 0x034c, 0x07 },
+	{ 0x034d, 0x90 },
+	{ 0x034e, 0x04 },
+	{ 0x034f, 0x48 },
+	{ 0x0301, 0x05 },
+	{ 0x0303, 0x01 },
+	{ 0x0305, 0x02 },
+	{ 0x0306, 0x00 },
+	{ 0x0307, 0x78 },
+	{ 0x030b, 0x01 },
+	{ 0x030d, 0x02 },
+	{ 0x030e, 0x00 },
+	{ 0x030f, 0x4b },
+	{ 0x0310, 0x00 },
+	{ 0x0700, 0x00 },
+	{ 0x0701, 0x10 },
+	{ 0x0820, 0x0b },
+	{ 0x0821, 0x40 },
+	{ 0x3088, 0x04 },
+	{ 0x6813, 0x02 },
+	{ 0x6835, 0x07 },
+	{ 0x6836, 0x01 },
+	{ 0x6837, 0x04 },
+	{ 0x684d, 0x07 },
+	{ 0x684e, 0x01 },
+	{ 0x684f, 0x04 },
+};
+
+static const struct imx355_reg mode_1924x1080_regs[] = {
+	{ 0x0112, 0x0a },
+	{ 0x0113, 0x0a },
+	{ 0x0114, 0x03 },
+	{ 0x0342, 0x0e },
+	{ 0x0343, 0x58 },
+	{ 0x0340, 0x05 },
+	{ 0x0341, 0x1a },
+	{ 0x0344, 0x02 },
+	{ 0x0345, 0xa8 },
+	{ 0x0346, 0x02 },
+	{ 0x0347, 0xb4 },
+	{ 0x0348, 0x0a },
+	{ 0x0349, 0x2b },
+	{ 0x034a, 0x06 },
+	{ 0x034b, 0xeb },
+	{ 0x0220, 0x00 },
+	{ 0x0222, 0x01 },
+	{ 0x0900, 0x00 },
+	{ 0x0901, 0x11 },
+	{ 0x0902, 0x00 },
+	{ 0x034c, 0x07 },
+	{ 0x034d, 0x84 },
+	{ 0x034e, 0x04 },
+	{ 0x034f, 0x38 },
+	{ 0x0301, 0x05 },
+	{ 0x0303, 0x01 },
+	{ 0x0305, 0x02 },
+	{ 0x0306, 0x00 },
+	{ 0x0307, 0x78 },
+	{ 0x030b, 0x01 },
+	{ 0x030d, 0x02 },
+	{ 0x030e, 0x00 },
+	{ 0x030f, 0x4b },
+	{ 0x0310, 0x00 },
+	{ 0x0700, 0x00 },
+	{ 0x0701, 0x10 },
+	{ 0x0820, 0x0b },
+	{ 0x0821, 0x40 },
+	{ 0x3088, 0x04 },
+	{ 0x6813, 0x02 },
+	{ 0x6835, 0x07 },
+	{ 0x6836, 0x01 },
+	{ 0x6837, 0x04 },
+	{ 0x684d, 0x07 },
+	{ 0x684e, 0x01 },
+	{ 0x684f, 0x04 },
+};
+
+static const struct imx355_reg mode_1920x1080_regs[] = {
+	{ 0x0112, 0x0a },
+	{ 0x0113, 0x0a },
+	{ 0x0114, 0x03 },
+	{ 0x0342, 0x0e },
+	{ 0x0343, 0x58 },
+	{ 0x0340, 0x05 },
+	{ 0x0341, 0x1a },
+	{ 0x0344, 0x02 },
+	{ 0x0345, 0xa8 },
+	{ 0x0346, 0x02 },
+	{ 0x0347, 0xb4 },
+	{ 0x0348, 0x0a },
+	{ 0x0349, 0x27 },
+	{ 0x034a, 0x06 },
+	{ 0x034b, 0xeb },
+	{ 0x0220, 0x00 },
+	{ 0x0222, 0x01 },
+	{ 0x0900, 0x00 },
+	{ 0x0901, 0x11 },
+	{ 0x0902, 0x00 },
+	{ 0x034c, 0x07 },
+	{ 0x034d, 0x80 },
+	{ 0x034e, 0x04 },
+	{ 0x034f, 0x38 },
+	{ 0x0301, 0x05 },
+	{ 0x0303, 0x01 },
+	{ 0x0305, 0x02 },
+	{ 0x0306, 0x00 },
+	{ 0x0307, 0x78 },
+	{ 0x030b, 0x01 },
+	{ 0x030d, 0x02 },
+	{ 0x030e, 0x00 },
+	{ 0x030f, 0x4b },
+	{ 0x0310, 0x00 },
+	{ 0x0700, 0x00 },
+	{ 0x0701, 0x10 },
+	{ 0x0820, 0x0b },
+	{ 0x0821, 0x40 },
+	{ 0x3088, 0x04 },
+	{ 0x6813, 0x02 },
+	{ 0x6835, 0x07 },
+	{ 0x6836, 0x01 },
+	{ 0x6837, 0x04 },
+	{ 0x684d, 0x07 },
+	{ 0x684e, 0x01 },
+	{ 0x684f, 0x04 },
+};
+
+static const struct imx355_reg mode_1640x1232_regs[] = {
+	{ 0x0112, 0x0a },
+	{ 0x0113, 0x0a },
+	{ 0x0114, 0x03 },
+	{ 0x0342, 0x07 },
+	{ 0x0343, 0x2c },
+	{ 0x0340, 0x05 },
+	{ 0x0341, 0x1a },
+	{ 0x0344, 0x00 },
+	{ 0x0345, 0x00 },
+	{ 0x0346, 0x00 },
+	{ 0x0347, 0x00 },
+	{ 0x0348, 0x0c },
+	{ 0x0349, 0xcf },
+	{ 0x034a, 0x09 },
+	{ 0x034b, 0x9f },
+	{ 0x0220, 0x00 },
+	{ 0x0222, 0x01 },
+	{ 0x0900, 0x01 },
+	{ 0x0901, 0x22 },
+	{ 0x0902, 0x00 },
+	{ 0x034c, 0x06 },
+	{ 0x034d, 0x68 },
+	{ 0x034e, 0x04 },
+	{ 0x034f, 0xd0 },
+	{ 0x0301, 0x05 },
+	{ 0x0303, 0x01 },
+	{ 0x0305, 0x02 },
+	{ 0x0306, 0x00 },
+	{ 0x0307, 0x78 },
+	{ 0x030b, 0x01 },
+	{ 0x030d, 0x02 },
+	{ 0x030e, 0x00 },
+	{ 0x030f, 0x4b },
+	{ 0x0310, 0x00 },
+	{ 0x0700, 0x00 },
+	{ 0x0701, 0x10 },
+	{ 0x0820, 0x0b },
+	{ 0x0821, 0x40 },
+	{ 0x3088, 0x04 },
+	{ 0x6813, 0x02 },
+	{ 0x6835, 0x07 },
+	{ 0x6836, 0x01 },
+	{ 0x6837, 0x04 },
+	{ 0x684d, 0x07 },
+	{ 0x684e, 0x01 },
+	{ 0x684f, 0x04 },
+};
+
+static const struct imx355_reg mode_1640x922_regs[] = {
+	{ 0x0112, 0x0a },
+	{ 0x0113, 0x0a },
+	{ 0x0114, 0x03 },
+	{ 0x0342, 0x07 },
+	{ 0x0343, 0x2c },
+	{ 0x0340, 0x05 },
+	{ 0x0341, 0x1a },
+	{ 0x0344, 0x00 },
+	{ 0x0345, 0x00 },
+	{ 0x0346, 0x01 },
+	{ 0x0347, 0x30 },
+	{ 0x0348, 0x0c },
+	{ 0x0349, 0xcf },
+	{ 0x034a, 0x08 },
+	{ 0x034b, 0x63 },
+	{ 0x0220, 0x00 },
+	{ 0x0222, 0x01 },
+	{ 0x0900, 0x01 },
+	{ 0x0901, 0x22 },
+	{ 0x0902, 0x00 },
+	{ 0x034c, 0x06 },
+	{ 0x034d, 0x68 },
+	{ 0x034e, 0x03 },
+	{ 0x034f, 0x9a },
+	{ 0x0301, 0x05 },
+	{ 0x0303, 0x01 },
+	{ 0x0305, 0x02 },
+	{ 0x0306, 0x00 },
+	{ 0x0307, 0x78 },
+	{ 0x030b, 0x01 },
+	{ 0x030d, 0x02 },
+	{ 0x030e, 0x00 },
+	{ 0x030f, 0x4b },
+	{ 0x0310, 0x00 },
+	{ 0x0700, 0x00 },
+	{ 0x0701, 0x10 },
+	{ 0x0820, 0x0b },
+	{ 0x0821, 0x40 },
+	{ 0x3088, 0x04 },
+	{ 0x6813, 0x02 },
+	{ 0x6835, 0x07 },
+	{ 0x6836, 0x01 },
+	{ 0x6837, 0x04 },
+	{ 0x684d, 0x07 },
+	{ 0x684e, 0x01 },
+	{ 0x684f, 0x04 },
+};
+
+static const struct imx355_reg mode_1300x736_regs[] = {
+	{ 0x0112, 0x0a },
+	{ 0x0113, 0x0a },
+	{ 0x0114, 0x03 },
+	{ 0x0342, 0x07 },
+	{ 0x0343, 0x2c },
+	{ 0x0340, 0x05 },
+	{ 0x0341, 0x1a },
+	{ 0x0344, 0x01 },
+	{ 0x0345, 0x58 },
+	{ 0x0346, 0x01 },
+	{ 0x0347, 0xf0 },
+	{ 0x0348, 0x0b },
+	{ 0x0349, 0x7f },
+	{ 0x034a, 0x07 },
+	{ 0x034b, 0xaf },
+	{ 0x0220, 0x00 },
+	{ 0x0222, 0x01 },
+	{ 0x0900, 0x01 },
+	{ 0x0901, 0x22 },
+	{ 0x0902, 0x00 },
+	{ 0x034c, 0x05 },
+	{ 0x034d, 0x14 },
+	{ 0x034e, 0x02 },
+	{ 0x034f, 0xe0 },
+	{ 0x0301, 0x05 },
+	{ 0x0303, 0x01 },
+	{ 0x0305, 0x02 },
+	{ 0x0306, 0x00 },
+	{ 0x0307, 0x78 },
+	{ 0x030b, 0x01 },
+	{ 0x030d, 0x02 },
+	{ 0x030e, 0x00 },
+	{ 0x030f, 0x4b },
+	{ 0x0310, 0x00 },
+	{ 0x0700, 0x00 },
+	{ 0x0701, 0x10 },
+	{ 0x0820, 0x0b },
+	{ 0x0821, 0x40 },
+	{ 0x3088, 0x04 },
+	{ 0x6813, 0x02 },
+	{ 0x6835, 0x07 },
+	{ 0x6836, 0x01 },
+	{ 0x6837, 0x04 },
+	{ 0x684d, 0x07 },
+	{ 0x684e, 0x01 },
+	{ 0x684f, 0x04 },
+};
+
+static const struct imx355_reg mode_1296x736_regs[] = {
+	{ 0x0112, 0x0a },
+	{ 0x0113, 0x0a },
+	{ 0x0114, 0x03 },
+	{ 0x0342, 0x07 },
+	{ 0x0343, 0x2c },
+	{ 0x0340, 0x05 },
+	{ 0x0341, 0x1a },
+	{ 0x0344, 0x01 },
+	{ 0x0345, 0x58 },
+	{ 0x0346, 0x01 },
+	{ 0x0347, 0xf0 },
+	{ 0x0348, 0x0b },
+	{ 0x0349, 0x77 },
+	{ 0x034a, 0x07 },
+	{ 0x034b, 0xaf },
+	{ 0x0220, 0x00 },
+	{ 0x0222, 0x01 },
+	{ 0x0900, 0x01 },
+	{ 0x0901, 0x22 },
+	{ 0x0902, 0x00 },
+	{ 0x034c, 0x05 },
+	{ 0x034d, 0x10 },
+	{ 0x034e, 0x02 },
+	{ 0x034f, 0xe0 },
+	{ 0x0301, 0x05 },
+	{ 0x0303, 0x01 },
+	{ 0x0305, 0x02 },
+	{ 0x0306, 0x00 },
+	{ 0x0307, 0x78 },
+	{ 0x030b, 0x01 },
+	{ 0x030d, 0x02 },
+	{ 0x030e, 0x00 },
+	{ 0x030f, 0x4b },
+	{ 0x0310, 0x00 },
+	{ 0x0700, 0x00 },
+	{ 0x0701, 0x10 },
+	{ 0x0820, 0x0b },
+	{ 0x0821, 0x40 },
+	{ 0x3088, 0x04 },
+	{ 0x6813, 0x02 },
+	{ 0x6835, 0x07 },
+	{ 0x6836, 0x01 },
+	{ 0x6837, 0x04 },
+	{ 0x684d, 0x07 },
+	{ 0x684e, 0x01 },
+	{ 0x684f, 0x04 },
+};
+
+static const struct imx355_reg mode_1284x720_regs[] = {
+	{ 0x0112, 0x0a },
+	{ 0x0113, 0x0a },
+	{ 0x0114, 0x03 },
+	{ 0x0342, 0x07 },
+	{ 0x0343, 0x2c },
+	{ 0x0340, 0x05 },
+	{ 0x0341, 0x1a },
+	{ 0x0344, 0x01 },
+	{ 0x0345, 0x68 },
+	{ 0x0346, 0x02 },
+	{ 0x0347, 0x00 },
+	{ 0x0348, 0x0b },
+	{ 0x0349, 0x6f },
+	{ 0x034a, 0x07 },
+	{ 0x034b, 0x9f },
+	{ 0x0220, 0x00 },
+	{ 0x0222, 0x01 },
+	{ 0x0900, 0x01 },
+	{ 0x0901, 0x22 },
+	{ 0x0902, 0x00 },
+	{ 0x034c, 0x05 },
+	{ 0x034d, 0x04 },
+	{ 0x034e, 0x02 },
+	{ 0x034f, 0xd0 },
+	{ 0x0301, 0x05 },
+	{ 0x0303, 0x01 },
+	{ 0x0305, 0x02 },
+	{ 0x0306, 0x00 },
+	{ 0x0307, 0x78 },
+	{ 0x030b, 0x01 },
+	{ 0x030d, 0x02 },
+	{ 0x030e, 0x00 },
+	{ 0x030f, 0x4b },
+	{ 0x0310, 0x00 },
+	{ 0x0700, 0x00 },
+	{ 0x0701, 0x10 },
+	{ 0x0820, 0x0b },
+	{ 0x0821, 0x40 },
+	{ 0x3088, 0x04 },
+	{ 0x6813, 0x02 },
+	{ 0x6835, 0x07 },
+	{ 0x6836, 0x01 },
+	{ 0x6837, 0x04 },
+	{ 0x684d, 0x07 },
+	{ 0x684e, 0x01 },
+	{ 0x684f, 0x04 },
+};
+
+static const struct imx355_reg mode_1280x720_regs[] = {
+	{ 0x0112, 0x0a },
+	{ 0x0113, 0x0a },
+	{ 0x0114, 0x03 },
+	{ 0x0342, 0x07 },
+	{ 0x0343, 0x2c },
+	{ 0x0340, 0x05 },
+	{ 0x0341, 0x1a },
+	{ 0x0344, 0x01 },
+	{ 0x0345, 0x68 },
+	{ 0x0346, 0x02 },
+	{ 0x0347, 0x00 },
+	{ 0x0348, 0x0b },
+	{ 0x0349, 0x67 },
+	{ 0x034a, 0x07 },
+	{ 0x034b, 0x9f },
+	{ 0x0220, 0x00 },
+	{ 0x0222, 0x01 },
+	{ 0x0900, 0x01 },
+	{ 0x0901, 0x22 },
+	{ 0x0902, 0x00 },
+	{ 0x034c, 0x05 },
+	{ 0x034d, 0x00 },
+	{ 0x034e, 0x02 },
+	{ 0x034f, 0xd0 },
+	{ 0x0301, 0x05 },
+	{ 0x0303, 0x01 },
+	{ 0x0305, 0x02 },
+	{ 0x0306, 0x00 },
+	{ 0x0307, 0x78 },
+	{ 0x030b, 0x01 },
+	{ 0x030d, 0x02 },
+	{ 0x030e, 0x00 },
+	{ 0x030f, 0x4b },
+	{ 0x0310, 0x00 },
+	{ 0x0700, 0x00 },
+	{ 0x0701, 0x10 },
+	{ 0x0820, 0x0b },
+	{ 0x0821, 0x40 },
+	{ 0x3088, 0x04 },
+	{ 0x6813, 0x02 },
+	{ 0x6835, 0x07 },
+	{ 0x6836, 0x01 },
+	{ 0x6837, 0x04 },
+	{ 0x684d, 0x07 },
+	{ 0x684e, 0x01 },
+	{ 0x684f, 0x04 },
+};
+
+static const struct imx355_reg mode_820x616_regs[] = {
+	{ 0x0112, 0x0a },
+	{ 0x0113, 0x0a },
+	{ 0x0114, 0x03 },
+	{ 0x0342, 0x0e },
+	{ 0x0343, 0x58 },
+	{ 0x0340, 0x02 },
+	{ 0x0341, 0x8c },
+	{ 0x0344, 0x00 },
+	{ 0x0345, 0x00 },
+	{ 0x0346, 0x00 },
+	{ 0x0347, 0x00 },
+	{ 0x0348, 0x0c },
+	{ 0x0349, 0xcf },
+	{ 0x034a, 0x09 },
+	{ 0x034b, 0x9f },
+	{ 0x0220, 0x00 },
+	{ 0x0222, 0x01 },
+	{ 0x0900, 0x01 },
+	{ 0x0901, 0x44 },
+	{ 0x0902, 0x00 },
+	{ 0x034c, 0x03 },
+	{ 0x034d, 0x34 },
+	{ 0x034e, 0x02 },
+	{ 0x034f, 0x68 },
+	{ 0x0301, 0x05 },
+	{ 0x0303, 0x01 },
+	{ 0x0305, 0x02 },
+	{ 0x0306, 0x00 },
+	{ 0x0307, 0x78 },
+	{ 0x030b, 0x01 },
+	{ 0x030d, 0x02 },
+	{ 0x030e, 0x00 },
+	{ 0x030f, 0x4b },
+	{ 0x0310, 0x00 },
+	{ 0x0700, 0x02 },
+	{ 0x0701, 0x78 },
+	{ 0x0820, 0x0b },
+	{ 0x0821, 0x40 },
+	{ 0x3088, 0x04 },
+	{ 0x6813, 0x02 },
+	{ 0x6835, 0x07 },
+	{ 0x6836, 0x01 },
+	{ 0x6837, 0x04 },
+	{ 0x684d, 0x07 },
+	{ 0x684e, 0x01 },
+	{ 0x684f, 0x04 },
+};
+
+static const char * const imx355_test_pattern_menu[] = {
+	"Disabled",
+	"100% color bars",
+	"Solid color",
+	"Fade to gray color bars",
+	"PN9"
+};
+
+/* supported link frequencies */
+static const s64 link_freq_menu_items[] = {
+	IMX355_LINK_FREQ_DEFAULT,
+};
+
+/* Mode configs */
+static const struct imx355_mode supported_modes[] = {
+	{
+		.width = 3280,
+		.height = 2464,
+		.fll_def = 2615,
+		.fll_min = 2615,
+		.llp = 3672,
+		.link_freq_index = IMX355_LINK_FREQ_INDEX,
+		.reg_list = {
+			.num_of_regs = ARRAY_SIZE(mode_3280x2464_regs),
+			.regs = mode_3280x2464_regs,
+		},
+	},
+	{
+		.width = 3268,
+		.height = 2448,
+		.fll_def = 2615,
+		.fll_min = 2615,
+		.llp = 3672,
+		.link_freq_index = IMX355_LINK_FREQ_INDEX,
+		.reg_list = {
+			.num_of_regs = ARRAY_SIZE(mode_3268x2448_regs),
+			.regs = mode_3268x2448_regs,
+		},
+	},
+	{
+		.width = 3264,
+		.height = 2448,
+		.fll_def = 2615,
+		.fll_min = 2615,
+		.llp = 3672,
+		.link_freq_index = IMX355_LINK_FREQ_INDEX,
+		.reg_list = {
+			.num_of_regs = ARRAY_SIZE(mode_3264x2448_regs),
+			.regs = mode_3264x2448_regs,
+		},
+	},
+	{
+		.width = 1940,
+		.height = 1096,
+		.fll_def = 1306,
+		.fll_min = 1306,
+		.llp = 3672,
+		.link_freq_index = IMX355_LINK_FREQ_INDEX,
+		.reg_list = {
+			.num_of_regs = ARRAY_SIZE(mode_1940x1096_regs),
+			.regs = mode_1940x1096_regs,
+		},
+	},
+	{
+		.width = 1936,
+		.height = 1096,
+		.fll_def = 1306,
+		.fll_min = 1306,
+		.llp = 3672,
+		.link_freq_index = IMX355_LINK_FREQ_INDEX,
+		.reg_list = {
+			.num_of_regs = ARRAY_SIZE(mode_1936x1096_regs),
+			.regs = mode_1936x1096_regs,
+		},
+	},
+	{
+		.width = 1924,
+		.height = 1080,
+		.fll_def = 1306,
+		.fll_min = 1306,
+		.llp = 3672,
+		.link_freq_index = IMX355_LINK_FREQ_INDEX,
+		.reg_list = {
+			.num_of_regs = ARRAY_SIZE(mode_1924x1080_regs),
+			.regs = mode_1924x1080_regs,
+		},
+	},
+	{
+		.width = 1920,
+		.height = 1080,
+		.fll_def = 1306,
+		.fll_min = 1306,
+		.llp = 3672,
+		.link_freq_index = IMX355_LINK_FREQ_INDEX,
+		.reg_list = {
+			.num_of_regs = ARRAY_SIZE(mode_1920x1080_regs),
+			.regs = mode_1920x1080_regs,
+		},
+	},
+	{
+		.width = 1640,
+		.height = 1232,
+		.fll_def = 1306,
+		.fll_min = 1306,
+		.llp = 1836,
+		.link_freq_index = IMX355_LINK_FREQ_INDEX,
+		.reg_list = {
+			.num_of_regs = ARRAY_SIZE(mode_1640x1232_regs),
+			.regs = mode_1640x1232_regs,
+		},
+	},
+	{
+		.width = 1640,
+		.height = 922,
+		.fll_def = 1306,
+		.fll_min = 1306,
+		.llp = 1836,
+		.link_freq_index = IMX355_LINK_FREQ_INDEX,
+		.reg_list = {
+			.num_of_regs = ARRAY_SIZE(mode_1640x922_regs),
+			.regs = mode_1640x922_regs,
+		},
+	},
+	{
+		.width = 1300,
+		.height = 736,
+		.fll_def = 1306,
+		.fll_min = 1306,
+		.llp = 1836,
+		.link_freq_index = IMX355_LINK_FREQ_INDEX,
+		.reg_list = {
+			.num_of_regs = ARRAY_SIZE(mode_1300x736_regs),
+			.regs = mode_1300x736_regs,
+		},
+	},
+	{
+		.width = 1296,
+		.height = 736,
+		.fll_def = 1306,
+		.fll_min = 1306,
+		.llp = 1836,
+		.link_freq_index = IMX355_LINK_FREQ_INDEX,
+		.reg_list = {
+			.num_of_regs = ARRAY_SIZE(mode_1296x736_regs),
+			.regs = mode_1296x736_regs,
+		},
+	},
+	{
+		.width = 1284,
+		.height = 720,
+		.fll_def = 1306,
+		.fll_min = 1306,
+		.llp = 1836,
+		.link_freq_index = IMX355_LINK_FREQ_INDEX,
+		.reg_list = {
+			.num_of_regs = ARRAY_SIZE(mode_1284x720_regs),
+			.regs = mode_1284x720_regs,
+		},
+	},
+	{
+		.width = 1280,
+		.height = 720,
+		.fll_def = 1306,
+		.fll_min = 1306,
+		.llp = 1836,
+		.link_freq_index = IMX355_LINK_FREQ_INDEX,
+		.reg_list = {
+			.num_of_regs = ARRAY_SIZE(mode_1280x720_regs),
+			.regs = mode_1280x720_regs,
+		},
+	},
+	{
+		.width = 820,
+		.height = 616,
+		.fll_def = 652,
+		.fll_min = 652,
+		.llp = 3672,
+		.link_freq_index = IMX355_LINK_FREQ_INDEX,
+		.reg_list = {
+			.num_of_regs = ARRAY_SIZE(mode_820x616_regs),
+			.regs = mode_820x616_regs,
+		},
+	},
+};
+
+static inline struct imx355 *to_imx355(struct v4l2_subdev *_sd)
+{
+	return container_of(_sd, struct imx355, sd);
+}
+
+/* Get bayer order based on flip setting. */
+static u32 imx355_get_format_code(struct imx355 *imx355)
+{
+	/*
+	 * Only one bayer order is supported.
+	 * It depends on the flip settings.
+	 */
+	u32 code;
+	static const u32 codes[2][2] = {
+		{ MEDIA_BUS_FMT_SRGGB10_1X10, MEDIA_BUS_FMT_SGRBG10_1X10, },
+		{ MEDIA_BUS_FMT_SGBRG10_1X10, MEDIA_BUS_FMT_SBGGR10_1X10, },
+	};
+
+	lockdep_assert_held(&imx355->mutex);
+	code = codes[imx355->vflip->val][imx355->hflip->val];
+
+	return code;
+}
+
+/* Read registers up to 4 at a time */
+static int imx355_read_reg(struct imx355 *imx355, u16 reg, u32 len, u32 *val)
+{
+	struct i2c_client *client = v4l2_get_subdevdata(&imx355->sd);
+	struct i2c_msg msgs[2];
+	u8 addr_buf[2];
+	u8 data_buf[4] = { 0 };
+	int ret;
+
+	if (len > 4)
+		return -EINVAL;
+
+	put_unaligned_be16(reg, addr_buf);
+	/* Write register address */
+	msgs[0].addr = client->addr;
+	msgs[0].flags = 0;
+	msgs[0].len = ARRAY_SIZE(addr_buf);
+	msgs[0].buf = addr_buf;
+
+	/* Read data from register */
+	msgs[1].addr = client->addr;
+	msgs[1].flags = I2C_M_RD;
+	msgs[1].len = len;
+	msgs[1].buf = &data_buf[4 - len];
+
+	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
+	if (ret != ARRAY_SIZE(msgs))
+		return -EIO;
+
+	*val = get_unaligned_be32(data_buf);
+
+	return 0;
+}
+
+/* Write registers up to 4 at a time */
+static int imx355_write_reg(struct imx355 *imx355, u16 reg, u32 len, u32 val)
+{
+	struct i2c_client *client = v4l2_get_subdevdata(&imx355->sd);
+	u8 buf[6];
+
+	if (len > 4)
+		return -EINVAL;
+
+	put_unaligned_be16(reg, buf);
+	put_unaligned_be32(val << (8 * (4 - len)), buf + 2);
+	if (i2c_master_send(client, buf, len + 2) != len + 2)
+		return -EIO;
+
+	return 0;
+}
+
+/* Write a list of registers */
+static int imx355_write_regs(struct imx355 *imx355,
+			      const struct imx355_reg *regs, u32 len)
+{
+	struct i2c_client *client = v4l2_get_subdevdata(&imx355->sd);
+	int ret;
+	u32 i;
+
+	for (i = 0; i < len; i++) {
+		ret = imx355_write_reg(imx355, regs[i].address, 1, regs[i].val);
+		if (ret) {
+			dev_err_ratelimited(&client->dev,
+					    "write reg 0x%4.4x return err %d",
+					    regs[i].address, ret);
+
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+/* Open sub-device */
+static int imx355_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
+{
+	struct imx355 *imx355 = to_imx355(sd);
+	struct v4l2_mbus_framefmt *try_fmt =
+		v4l2_subdev_get_try_format(sd, fh->pad, 0);
+
+	mutex_lock(&imx355->mutex);
+
+	/* Initialize try_fmt */
+	try_fmt->width = imx355->cur_mode->width;
+	try_fmt->height = imx355->cur_mode->height;
+	try_fmt->code = imx355_get_format_code(imx355);
+	try_fmt->field = V4L2_FIELD_NONE;
+
+	mutex_unlock(&imx355->mutex);
+
+	return 0;
+}
+
+static int imx355_set_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct imx355 *imx355 = container_of(ctrl->handler,
+					     struct imx355, ctrl_handler);
+	struct i2c_client *client = v4l2_get_subdevdata(&imx355->sd);
+	s64 max;
+	int ret;
+
+	/* Propagate change of current control to all related controls */
+	switch (ctrl->id) {
+	case V4L2_CID_VBLANK:
+		/* Update max exposure while meeting expected vblanking */
+		max = imx355->cur_mode->height + ctrl->val - 10;
+		__v4l2_ctrl_modify_range(imx355->exposure,
+					 imx355->exposure->minimum,
+					 max, imx355->exposure->step, max);
+		break;
+	}
+
+	/*
+	 * Applying V4L2 control value only happens
+	 * when power is up for streaming
+	 */
+	if (!pm_runtime_get_if_in_use(&client->dev))
+		return 0;
+
+	switch (ctrl->id) {
+	case V4L2_CID_ANALOGUE_GAIN:
+		/* Analog gain = 1024/(1024 - ctrl->val) times */
+		ret = imx355_write_reg(imx355, IMX355_REG_ANALOG_GAIN, 2,
+				       ctrl->val);
+		break;
+	case V4L2_CID_DIGITAL_GAIN:
+		ret = imx355_write_reg(imx355, IMX355_REG_DIG_GAIN_GLOBAL, 2,
+				       ctrl->val);
+		break;
+	case V4L2_CID_EXPOSURE:
+		ret = imx355_write_reg(imx355, IMX355_REG_EXPOSURE, 2,
+				       ctrl->val);
+		break;
+	case V4L2_CID_VBLANK:
+		/* Update FLL that meets expected vertical blanking */
+		ret = imx355_write_reg(imx355, IMX355_REG_FLL, 2,
+				       imx355->cur_mode->height + ctrl->val);
+		break;
+	case V4L2_CID_TEST_PATTERN:
+		ret = imx355_write_reg(imx355, IMX355_REG_TEST_PATTERN,
+				       2, ctrl->val);
+		break;
+	case V4L2_CID_HFLIP:
+	case V4L2_CID_VFLIP:
+		ret = imx355_write_reg(imx355, IMX355_REG_ORIENTATION, 1,
+				       imx355->hflip->val |
+				       imx355->vflip->val << 1);
+		break;
+	default:
+		ret = -EINVAL;
+		dev_info(&client->dev, "ctrl(id:0x%x,val:0x%x) is not handled",
+			 ctrl->id, ctrl->val);
+		break;
+	}
+
+	pm_runtime_put(&client->dev);
+
+	return ret;
+}
+
+static const struct v4l2_ctrl_ops imx355_ctrl_ops = {
+	.s_ctrl = imx355_set_ctrl,
+};
+
+static int imx355_enum_mbus_code(struct v4l2_subdev *sd,
+				  struct v4l2_subdev_pad_config *cfg,
+				  struct v4l2_subdev_mbus_code_enum *code)
+{
+	struct imx355 *imx355 = to_imx355(sd);
+
+	if (code->index > 0)
+		return -EINVAL;
+
+	mutex_lock(&imx355->mutex);
+	code->code = imx355_get_format_code(imx355);
+	mutex_unlock(&imx355->mutex);
+
+	return 0;
+}
+
+static int imx355_enum_frame_size(struct v4l2_subdev *sd,
+				   struct v4l2_subdev_pad_config *cfg,
+				   struct v4l2_subdev_frame_size_enum *fse)
+{
+	struct imx355 *imx355 = to_imx355(sd);
+
+	if (fse->index >= ARRAY_SIZE(supported_modes))
+		return -EINVAL;
+
+	mutex_lock(&imx355->mutex);
+	if (fse->code != imx355_get_format_code(imx355)) {
+		mutex_unlock(&imx355->mutex);
+		return -EINVAL;
+	}
+	mutex_unlock(&imx355->mutex);
+
+	fse->min_width = supported_modes[fse->index].width;
+	fse->max_width = fse->min_width;
+	fse->min_height = supported_modes[fse->index].height;
+	fse->max_height = fse->min_height;
+
+	return 0;
+}
+
+static void imx355_update_pad_format(struct imx355 *imx355,
+				     const struct imx355_mode *mode,
+				     struct v4l2_subdev_format *fmt)
+{
+	fmt->format.width = mode->width;
+	fmt->format.height = mode->height;
+	fmt->format.code = imx355_get_format_code(imx355);
+	fmt->format.field = V4L2_FIELD_NONE;
+}
+
+static int imx355_do_get_pad_format(struct imx355 *imx355,
+				     struct v4l2_subdev_pad_config *cfg,
+				     struct v4l2_subdev_format *fmt)
+{
+	struct v4l2_mbus_framefmt *framefmt;
+	struct v4l2_subdev *sd = &imx355->sd;
+
+	if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
+		framefmt = v4l2_subdev_get_try_format(sd, cfg, fmt->pad);
+		fmt->format = *framefmt;
+	} else {
+		imx355_update_pad_format(imx355, imx355->cur_mode, fmt);
+	}
+
+	return 0;
+}
+
+static int imx355_get_pad_format(struct v4l2_subdev *sd,
+				  struct v4l2_subdev_pad_config *cfg,
+				  struct v4l2_subdev_format *fmt)
+{
+	struct imx355 *imx355 = to_imx355(sd);
+	int ret;
+
+	mutex_lock(&imx355->mutex);
+	ret = imx355_do_get_pad_format(imx355, cfg, fmt);
+	mutex_unlock(&imx355->mutex);
+
+	return ret;
+}
+
+static int
+imx355_set_pad_format(struct v4l2_subdev *sd,
+		       struct v4l2_subdev_pad_config *cfg,
+		       struct v4l2_subdev_format *fmt)
+{
+	struct imx355 *imx355 = to_imx355(sd);
+	const struct imx355_mode *mode;
+	struct v4l2_mbus_framefmt *framefmt;
+	s32 vblank_def;
+	s32 vblank_min;
+	s64 h_blank;
+	u64 pixel_rate;
+	u32 height;
+
+	mutex_lock(&imx355->mutex);
+
+	/*
+	 * Only one bayer order is supported.
+	 * It depends on the flip settings.
+	 */
+	fmt->format.code = imx355_get_format_code(imx355);
+
+	mode = v4l2_find_nearest_size(supported_modes,
+				      ARRAY_SIZE(supported_modes),
+				      width, height,
+				      fmt->format.width, fmt->format.height);
+	imx355_update_pad_format(imx355, mode, fmt);
+	if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
+		framefmt = v4l2_subdev_get_try_format(sd, cfg, fmt->pad);
+		*framefmt = fmt->format;
+	} else {
+		imx355->cur_mode = mode;
+		pixel_rate = (imx355->link_def_freq * 2 * 4) / 10;
+		__v4l2_ctrl_s_ctrl_int64(imx355->pixel_rate, pixel_rate);
+		/* Update limits and set FPS to default */
+		height = imx355->cur_mode->height;
+		vblank_def = imx355->cur_mode->fll_def - height;
+		vblank_min = imx355->cur_mode->fll_min - height;
+		height = IMX355_FLL_MAX - height;
+		__v4l2_ctrl_modify_range(imx355->vblank, vblank_min, height, 1,
+					 vblank_def);
+		__v4l2_ctrl_s_ctrl(imx355->vblank, vblank_def);
+		h_blank = mode->llp - imx355->cur_mode->width;
+		/*
+		 * Currently hblank is not changeable.
+		 * So FPS control is done only by vblank.
+		 */
+		__v4l2_ctrl_modify_range(imx355->hblank, h_blank,
+					 h_blank, 1, h_blank);
+	}
+
+	mutex_unlock(&imx355->mutex);
+
+	return 0;
+}
+
+/* Start streaming */
+static int imx355_start_streaming(struct imx355 *imx355)
+{
+	struct i2c_client *client = v4l2_get_subdevdata(&imx355->sd);
+	const struct imx355_reg_list *reg_list;
+	int ret;
+
+	/* Global Setting */
+	reg_list = &imx355_global_setting;
+	ret = imx355_write_regs(imx355, reg_list->regs, reg_list->num_of_regs);
+	if (ret) {
+		dev_err(&client->dev, "failed to set global settings");
+		return ret;
+	}
+
+	/* Apply default values of current mode */
+	reg_list = &imx355->cur_mode->reg_list;
+	ret = imx355_write_regs(imx355, reg_list->regs, reg_list->num_of_regs);
+	if (ret) {
+		dev_err(&client->dev, "failed to set mode");
+		return ret;
+	}
+
+	/* set digital gain control to all color mode */
+	ret = imx355_write_reg(imx355, IMX355_REG_DPGA_USE_GLOBAL_GAIN, 1, 1);
+	if (ret)
+		return ret;
+
+	/* Apply customized values from user */
+	ret =  __v4l2_ctrl_handler_setup(imx355->sd.ctrl_handler);
+	if (ret)
+		return ret;
+
+	return imx355_write_reg(imx355, IMX355_REG_MODE_SELECT,
+				1, IMX355_MODE_STREAMING);
+}
+
+/* Stop streaming */
+static int imx355_stop_streaming(struct imx355 *imx355)
+{
+	return imx355_write_reg(imx355, IMX355_REG_MODE_SELECT,
+				1, IMX355_MODE_STANDBY);
+}
+
+static int imx355_set_stream(struct v4l2_subdev *sd, int enable)
+{
+	struct imx355 *imx355 = to_imx355(sd);
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
+	int ret = 0;
+
+	mutex_lock(&imx355->mutex);
+	if (imx355->streaming == enable) {
+		mutex_unlock(&imx355->mutex);
+		return 0;
+	}
+
+	if (enable) {
+		ret = pm_runtime_get_sync(&client->dev);
+		if (ret < 0) {
+			pm_runtime_put_noidle(&client->dev);
+			goto err_unlock;
+		}
+
+		/*
+		 * Apply default & customized values
+		 * and then start streaming.
+		 */
+		ret = imx355_start_streaming(imx355);
+		if (ret)
+			goto err_rpm_put;
+	} else {
+		imx355_stop_streaming(imx355);
+		pm_runtime_put(&client->dev);
+	}
+
+	imx355->streaming = enable;
+
+	/* vflip and hflip cannot change during streaming */
+	__v4l2_ctrl_grab(imx355->vflip, enable);
+	__v4l2_ctrl_grab(imx355->hflip, enable);
+
+	mutex_unlock(&imx355->mutex);
+
+	return ret;
+
+err_rpm_put:
+	pm_runtime_put(&client->dev);
+err_unlock:
+	mutex_unlock(&imx355->mutex);
+
+	return ret;
+}
+
+static int __maybe_unused imx355_suspend(struct device *dev)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct v4l2_subdev *sd = i2c_get_clientdata(client);
+	struct imx355 *imx355 = to_imx355(sd);
+
+	if (imx355->streaming)
+		imx355_stop_streaming(imx355);
+
+	return 0;
+}
+
+static int __maybe_unused imx355_resume(struct device *dev)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct v4l2_subdev *sd = i2c_get_clientdata(client);
+	struct imx355 *imx355 = to_imx355(sd);
+	int ret;
+
+	if (imx355->streaming) {
+		ret = imx355_start_streaming(imx355);
+		if (ret)
+			goto error;
+	}
+
+	return 0;
+
+error:
+	imx355_stop_streaming(imx355);
+	imx355->streaming = 0;
+	return ret;
+}
+
+/* Verify chip ID */
+static int imx355_identify_module(struct imx355 *imx355)
+{
+	struct i2c_client *client = v4l2_get_subdevdata(&imx355->sd);
+	int ret;
+	u32 val;
+
+	ret = imx355_read_reg(imx355, IMX355_REG_CHIP_ID, 2, &val);
+	if (ret)
+		return ret;
+
+	if (val != IMX355_CHIP_ID) {
+		dev_err(&client->dev, "chip id mismatch: %x!=%x",
+			IMX355_CHIP_ID, val);
+		return -EIO;
+	}
+	return 0;
+}
+
+static const struct v4l2_subdev_core_ops imx355_subdev_core_ops = {
+	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
+	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
+};
+
+static const struct v4l2_subdev_video_ops imx355_video_ops = {
+	.s_stream = imx355_set_stream,
+};
+
+static const struct v4l2_subdev_pad_ops imx355_pad_ops = {
+	.enum_mbus_code = imx355_enum_mbus_code,
+	.get_fmt = imx355_get_pad_format,
+	.set_fmt = imx355_set_pad_format,
+	.enum_frame_size = imx355_enum_frame_size,
+};
+
+static const struct v4l2_subdev_ops imx355_subdev_ops = {
+	.core = &imx355_subdev_core_ops,
+	.video = &imx355_video_ops,
+	.pad = &imx355_pad_ops,
+};
+
+static const struct media_entity_operations imx355_subdev_entity_ops = {
+	.link_validate = v4l2_subdev_link_validate,
+};
+
+static const struct v4l2_subdev_internal_ops imx355_internal_ops = {
+	.open = imx355_open,
+};
+
+/* Initialize control handlers */
+static int imx355_init_controls(struct imx355 *imx355)
+{
+	struct i2c_client *client = v4l2_get_subdevdata(&imx355->sd);
+	struct v4l2_ctrl_handler *ctrl_hdlr;
+	s64 exposure_max;
+	s64 vblank_def;
+	s64 vblank_min;
+	s64 hblank;
+	u64 pixel_rate;
+	const struct imx355_mode *mode;
+	u32 max;
+	int ret;
+
+	ctrl_hdlr = &imx355->ctrl_handler;
+	ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10);
+	if (ret)
+		return ret;
+
+	ctrl_hdlr->lock = &imx355->mutex;
+	max = ARRAY_SIZE(link_freq_menu_items) - 1;
+	imx355->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr, &imx355_ctrl_ops,
+						   V4L2_CID_LINK_FREQ, max, 0,
+						   link_freq_menu_items);
+	if (imx355->link_freq)
+		imx355->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+
+	/* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */
+	pixel_rate = (imx355->link_def_freq * 2 * 4) / 10;
+	/* By default, PIXEL_RATE is read only */
+	imx355->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops,
+					       V4L2_CID_PIXEL_RATE, pixel_rate,
+					       pixel_rate, 1, pixel_rate);
+
+	/* Initialize vblank/hblank/exposure parameters based on current mode */
+	mode = imx355->cur_mode;
+	vblank_def = mode->fll_def - mode->height;
+	vblank_min = mode->fll_min - mode->height;
+	imx355->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops,
+					   V4L2_CID_VBLANK, vblank_min,
+					   IMX355_FLL_MAX - mode->height,
+					   1, vblank_def);
+
+	hblank = mode->llp - mode->width;
+	imx355->hblank = v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops,
+					   V4L2_CID_HBLANK, hblank, hblank,
+					   1, hblank);
+	if (imx355->hblank)
+		imx355->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+
+	/* fll >= exposure time + adjust parameter (default value is 10) */
+	exposure_max = mode->fll_def - 10;
+	imx355->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops,
+					     V4L2_CID_EXPOSURE,
+					     IMX355_EXPOSURE_MIN, exposure_max,
+					     IMX355_EXPOSURE_STEP,
+					     IMX355_EXPOSURE_DEFAULT);
+
+	imx355->hflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops,
+					  V4L2_CID_HFLIP, 0, 1, 1, 0);
+	imx355->vflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops,
+					  V4L2_CID_VFLIP, 0, 1, 1, 0);
+
+	v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops, V4L2_CID_ANALOGUE_GAIN,
+			  IMX355_ANA_GAIN_MIN, IMX355_ANA_GAIN_MAX,
+			  IMX355_ANA_GAIN_STEP, IMX355_ANA_GAIN_DEFAULT);
+
+	/* Digital gain */
+	v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops, V4L2_CID_DIGITAL_GAIN,
+			  IMX355_DGTL_GAIN_MIN, IMX355_DGTL_GAIN_MAX,
+			  IMX355_DGTL_GAIN_STEP, IMX355_DGTL_GAIN_DEFAULT);
+
+	v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &imx355_ctrl_ops,
+				     V4L2_CID_TEST_PATTERN,
+				     ARRAY_SIZE(imx355_test_pattern_menu) - 1,
+				     0, 0, imx355_test_pattern_menu);
+	if (ctrl_hdlr->error) {
+		ret = ctrl_hdlr->error;
+		dev_err(&client->dev, "control init failed: %d", ret);
+		goto error;
+	}
+
+	imx355->sd.ctrl_handler = ctrl_hdlr;
+
+	return 0;
+
+error:
+	v4l2_ctrl_handler_free(ctrl_hdlr);
+
+	return ret;
+}
+
+static struct imx355_hwcfg *imx355_get_hwcfg(struct device *dev)
+{
+	struct imx355_hwcfg *cfg;
+	struct v4l2_fwnode_endpoint *bus_cfg;
+	struct fwnode_handle *ep;
+	struct fwnode_handle *fwnode = dev_fwnode(dev);
+	unsigned int i;
+	int ret;
+
+	if (!fwnode)
+		return NULL;
+
+	ep = fwnode_graph_get_next_endpoint(fwnode, NULL);
+	if (!ep)
+		return NULL;
+
+	bus_cfg = v4l2_fwnode_endpoint_alloc_parse(ep);
+	if (IS_ERR(bus_cfg))
+		goto out_err;
+
+	cfg = devm_kzalloc(dev, sizeof(*cfg), GFP_KERNEL);
+	if (!cfg)
+		goto out_err;
+
+	ret = fwnode_property_read_u32(dev_fwnode(dev), "clock-frequency",
+					&cfg->ext_clk);
+	if (ret) {
+		dev_err(dev, "can't get clock frequency");
+		goto out_err;
+	}
+
+	dev_dbg(dev, "ext clk: %d", cfg->ext_clk);
+	if (cfg->ext_clk != IMX355_EXT_CLK) {
+		dev_err(dev, "external clock %d is not supported",
+			 cfg->ext_clk);
+		goto out_err;
+	}
+
+	dev_dbg(dev, "num of link freqs: %d", bus_cfg->nr_of_link_frequencies);
+	if (!bus_cfg->nr_of_link_frequencies) {
+		dev_warn(dev, "no link frequencies defined");
+		goto out_err;
+	}
+
+	cfg->nr_of_link_freqs = bus_cfg->nr_of_link_frequencies;
+	cfg->link_freqs = devm_kcalloc(
+		dev, bus_cfg->nr_of_link_frequencies + 1,
+		sizeof(*cfg->link_freqs), GFP_KERNEL);
+	if (!cfg->link_freqs)
+		goto out_err;
+
+	for (i = 0; i < bus_cfg->nr_of_link_frequencies; i++) {
+		cfg->link_freqs[i] = bus_cfg->link_frequencies[i];
+		dev_dbg(dev, "link_freq[%d] = %lld", i, cfg->link_freqs[i]);
+	}
+
+	v4l2_fwnode_endpoint_free(bus_cfg);
+	fwnode_handle_put(ep);
+	return cfg;
+
+out_err:
+	v4l2_fwnode_endpoint_free(bus_cfg);
+	fwnode_handle_put(ep);
+	return NULL;
+}
+
+static int imx355_probe(struct i2c_client *client)
+{
+	struct imx355 *imx355;
+	int ret;
+	u32 i;
+
+	imx355 = devm_kzalloc(&client->dev, sizeof(*imx355), GFP_KERNEL);
+	if (!imx355)
+		return -ENOMEM;
+
+	mutex_init(&imx355->mutex);
+
+	/* Initialize subdev */
+	v4l2_i2c_subdev_init(&imx355->sd, client, &imx355_subdev_ops);
+
+	/* Check module identity */
+	ret = imx355_identify_module(imx355);
+	if (ret) {
+		dev_err(&client->dev, "failed to find sensor: %d", ret);
+		goto error_probe;
+	}
+
+	imx355->hwcfg = imx355_get_hwcfg(&client->dev);
+	if (!imx355->hwcfg) {
+		dev_err(&client->dev, "failed to get hwcfg");
+		ret = -ENODEV;
+		goto error_probe;
+	}
+
+	imx355->link_def_freq = link_freq_menu_items[IMX355_LINK_FREQ_INDEX];
+	for (i = 0; i < imx355->hwcfg->nr_of_link_freqs; i++) {
+		if (imx355->hwcfg->link_freqs[i] == imx355->link_def_freq) {
+			dev_dbg(&client->dev, "link freq index %d matched", i);
+			break;
+		}
+	}
+
+	if (i == imx355->hwcfg->nr_of_link_freqs) {
+		dev_err(&client->dev, "no link frequency supported");
+		ret = -EINVAL;
+		goto error_probe;
+	}
+
+	/* Set default mode to max resolution */
+	imx355->cur_mode = &supported_modes[0];
+
+	ret = imx355_init_controls(imx355);
+	if (ret) {
+		dev_err(&client->dev, "failed to init controls: %d", ret);
+		goto error_probe;
+	}
+
+	/* Initialize subdev */
+	imx355->sd.internal_ops = &imx355_internal_ops;
+	imx355->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
+		V4L2_SUBDEV_FL_HAS_EVENTS;
+	imx355->sd.entity.ops = &imx355_subdev_entity_ops;
+	imx355->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
+
+	/* Initialize source pad */
+	imx355->pad.flags = MEDIA_PAD_FL_SOURCE;
+	ret = media_entity_pads_init(&imx355->sd.entity, 1, &imx355->pad);
+	if (ret) {
+		dev_err(&client->dev, "failed to init entity pads: %d", ret);
+		goto error_handler_free;
+	}
+
+	ret = v4l2_async_register_subdev_sensor_common(&imx355->sd);
+	if (ret < 0)
+		goto error_media_entity;
+
+	/*
+	 * Device is already turned on by i2c-core with ACPI domain PM.
+	 * Enable runtime PM and turn off the device.
+	 */
+	pm_runtime_set_active(&client->dev);
+	pm_runtime_enable(&client->dev);
+	pm_runtime_idle(&client->dev);
+
+	return 0;
+
+error_media_entity:
+	media_entity_cleanup(&imx355->sd.entity);
+
+error_handler_free:
+	v4l2_ctrl_handler_free(imx355->sd.ctrl_handler);
+
+error_probe:
+	mutex_destroy(&imx355->mutex);
+
+	return ret;
+}
+
+static int imx355_remove(struct i2c_client *client)
+{
+	struct v4l2_subdev *sd = i2c_get_clientdata(client);
+	struct imx355 *imx355 = to_imx355(sd);
+
+	v4l2_async_unregister_subdev(sd);
+	media_entity_cleanup(&sd->entity);
+	v4l2_ctrl_handler_free(sd->ctrl_handler);
+
+	pm_runtime_disable(&client->dev);
+	pm_runtime_set_suspended(&client->dev);
+
+	mutex_destroy(&imx355->mutex);
+
+	return 0;
+}
+
+static const struct dev_pm_ops imx355_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(imx355_suspend, imx355_resume)
+};
+
+static const struct acpi_device_id imx355_acpi_ids[] = {
+	{ "SONY355A" },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(acpi, imx355_acpi_ids);
+
+static struct i2c_driver imx355_i2c_driver = {
+	.driver = {
+		.name = "imx355",
+		.pm = &imx355_pm_ops,
+		.acpi_match_table = ACPI_PTR(imx355_acpi_ids),
+	},
+	.probe_new = imx355_probe,
+	.remove = imx355_remove,
+};
+module_i2c_driver(imx355_i2c_driver);
+
+MODULE_AUTHOR("Qiu, Tianshu <tian.shu.qiu@xxxxxxxxx>");
+MODULE_AUTHOR("Rapolu, Chiranjeevi <chiranjeevi.rapolu@xxxxxxxxx>");
+MODULE_AUTHOR("Bingbu Cao <bingbu.cao@xxxxxxxxx>");
+MODULE_AUTHOR("Yang, Hyungwoo <hyungwoo.yang@xxxxxxxxx>");
+MODULE_DESCRIPTION("Sony imx355 sensor driver");
+MODULE_LICENSE("GPL v2");
-- 
1.9.1




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