@@ -51,6 +51,17 @@ config VIDEO_ALVIUM_CSI2
To compile this driver as a module, choose M here: the
module will be called alvium-csi2.
+config VIDEO_AR0233
+ tristate "onsemi AR0233 sensor support"
+ depends on OF || COMPILE_TEST
+ select V4L2_CCI_I2C
+ help
+ This is a Video4Linux2 sensor driver for the onsemi AR0233 camera
+ sensor.
+
+ To compile this driver as a module, choose M here: the
+ module will be called ar0233.
+
config VIDEO_AR0521
tristate "ON Semiconductor AR0521 sensor support"
help
@@ -19,6 +19,7 @@ obj-$(CONFIG_VIDEO_AK7375) += ak7375.o
obj-$(CONFIG_VIDEO_AK881X) += ak881x.o
obj-$(CONFIG_VIDEO_ALVIUM_CSI2) += alvium-csi2.o
obj-$(CONFIG_VIDEO_APTINA_PLL) += aptina-pll.o
+obj-$(CONFIG_VIDEO_AR0233) += ar0233.o
obj-$(CONFIG_VIDEO_AR0521) += ar0521.o
obj-$(CONFIG_VIDEO_BT819) += bt819.o
obj-$(CONFIG_VIDEO_BT856) += bt856.o
new file mode 100644
@@ -0,0 +1,1179 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Driver for the AR0233 camera sensor from ON Semiconductor
+ *
+ * Written by Alexander Shiyan <eagle.alexander923@gmail.com>
+ *
+ * Some parts of code taken from ar0144.c by:
+ * Copyright (C) 2024 Ideas on Board Oy
+ * Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+ *
+ * Some parts of code taken from imx335.c by:
+ * Copyright (C) 2021 Intel Corporation
+ */
+
+#include <linux/clk.h>
+#include <linux/i2c.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <linux/gpio/consumer.h>
+#include <linux/regulator/consumer.h>
+#include <media/mipi-csi2.h>
+#include <media/v4l2-cci.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-fwnode.h>
+#include <media/v4l2-subdev.h>
+
+#define AR0233_FRAME_STATUS CCI_REG16(0x2008)
+# define AR0233_FRAME_STATUS_STANDBY BIT(1)
+#define AR0233_CHIP_VERSION_REG CCI_REG16(0x3000)
+# define AR0233_CHIP_VERSION_AR0233 (0x0956)
+#define AR0233_Y_ADDR_START CCI_REG16(0x3002)
+#define AR0233_X_ADDR_START CCI_REG16(0x3004)
+#define AR0233_Y_ADDR_END CCI_REG16(0x3006)
+#define AR0233_X_ADDR_END CCI_REG16(0x3008)
+#define AR0233_FRAME_LENGTH_LINES CCI_REG16(0x300a)
+# define AR0233_MIN_FRAME_LENGTH_LINES (40)
+# define AR0233_MAX_FRAME_LENGTH_LINES (65535)
+#define AR0233_LINE_LENGTH_PCK CCI_REG16(0x300c)
+# define AR0233_MIN_LINE_LENGTH_PCK (1840)
+# define AR0233_MAX_LINE_LENGTH_PCK (65534)
+#define AR0233_REVISION_NUMBER CCI_REG16(0x300e)
+#define AR0233_COARSE_INTEGRATION_TIME CCI_REG16(0x3012)
+#define AR0233_RESET_REGISTER CCI_REG16(0x301a)
+# define AR0233_RESET_LPF_ENABLE BIT(13)
+# define AR0233_RESET_REGISTER_SMIA_SERIALIZER_DIS BIT(12)
+# define AR0233_RESET_REGISTER_MASK_BAD BIT(9)
+# define AR0233_RESET_REGISTER_STANDBY_EOF BIT(4)
+# define AR0233_RESET_REGISTER_LOCK_REG BIT(3)
+# define AR0233_RESET_REGISTER_STREAM BIT(2)
+#define AR0233_MODE_SELECT CCI_REG8(0x301c)
+#define AR0233_IMAGE_ORIENTATION CCI_REG8(0x301d)
+# define AR0233_ORIENTATION_VERT_FLIP BIT(1)
+# define AR0233_ORIENTATION_HORIZ_MIRROR BIT(0)
+#define AR0233_SOFTWARE_RESET CCI_REG8(0x3021)
+# define AR0233_RESET BIT(0)
+#define AR0233_GROUPED_PARAMETER_HOLD CCI_REG8(0x3022)
+# define AR0233_RESET_REGISTER_GROUPED_PARAMETER_HOLD BIT(0)
+#define AR0233_VT_PIX_CLK_DIV CCI_REG16(0x302a)
+#define AR0233_VT_SYS_CLK_DIV CCI_REG16(0x302c)
+# define FASTER_CLK_DIV(x) ((x) << 8)
+#define AR0233_PRE_PLL_CLK_DIV CCI_REG16(0x302e)
+#define AR0233_PLL_MULTIPLIER CCI_REG16(0x3030)
+#define AR0233_OP_PIX_CLK_DIV CCI_REG16(0x3036)
+#define AR0233_OP_SYS_CLK_DIV CCI_REG16(0x3038)
+#define AR0233_GLOBAL_GAIN CCI_REG16(0x305e)
+#define AR0233_TEST_PATTERN_MODE CCI_REG16(0x3070)
+# define AR0233_TEST_PATTERN_NONE (0)
+# define AR0233_TEST_PATTERN_SOLID (1)
+# define AR0233_TEST_PATTERN_BARS (2)
+# define AR0233_TEST_PATTERN_BARS_FADE (3)
+# define AR0233_TEST_PATTERN_WALKING_1S (256)
+#define AR0233_TEST_DATA_RED CCI_REG16(0x3072)
+#define AR0233_TEST_DATA_GREENR CCI_REG16(0x3074)
+#define AR0233_TEST_DATA_BLUE CCI_REG16(0x3076)
+#define AR0233_TEST_DATA_GREENB CCI_REG16(0x3078)
+#define AR0233_DATA_FORMAT_BITS CCI_REG16(0x31ac)
+# define AR0233_DATA_FORMAT_RAW(x) ((x) << 8)
+# define AR0233_DATA_FORMAT_OUTPUT(x) ((x) << 0)
+#define AR0233_SERIAL_FORMAT CCI_REG16(0x31ae)
+# define AR0233_SERIAL_FORMAT_TYPE_MIPI (2 << 8)
+# define AR0233_SERIAL_FORMAT_LANES(x) ((x) << 0)
+#define AR0233_CUSTOMER_REV CCI_REG16(0x31fe)
+#define AR0233_MIPI_F1_PDT_EDT CCI_REG16(0x3342)
+# define AR0233_MIPI_Fx_EDT(x) ((x) << 8)
+# define AR0233_MIPI_Fx_PDT(x) ((x) << 0)
+#define AR0233_MIPI_F1_VDT_VC CCI_REG16(0x3344)
+# define AR0233_MIPI_Fx_VC(x) ((x) << 8)
+# define AR0233_MIPI_Fx_VDT(x) ((x) << 0)
+#define AR0233_MIPI_F2_PDT_EDT CCI_REG16(0x3346)
+#define AR0233_MIPI_F2_VDT_VC CCI_REG16(0x3348)
+#define AR0233_MIPI_F3_PDT_EDT CCI_REG16(0x334a)
+#define AR0233_MIPI_F3_VDT_VC CCI_REG16(0x334c)
+#define AR0233_MIPI_F4_PDT_EDT CCI_REG16(0x334e)
+#define AR0233_MIPI_F4_VDT_VC CCI_REG16(0x3350)
+#define AR0233_ANALOG_GAIN CCI_REG16(0x3366)
+
+#define AR0233_MIN_HBLANK (400)
+#define AR0233_MIN_VBLANK (AR0233_MIN_FRAME_LENGTH_LINES)
+
+#define AR0233_ACT_WIDTH (2048)
+#define AR0233_ACT_HEIGHT (1280)
+#define AR0233_MIN_WIDTH (32)
+#define AR0233_MIN_HEIGHT (32)
+#define AR0233_DEF_WIDTH (1920)
+#define AR0233_DEF_HEIGHT (1080)
+
+/* Offsets to sensor optical center */
+#define AR0233_X_OFFSET ((2064 - AR0233_ACT_WIDTH) / 2)
+#define AR0233_Y_OFFSET ((1288 - AR0233_ACT_HEIGHT) / 2)
+
+struct ar0233_format_info {
+ u32 format;
+ u16 bpp_input; /* Legal values are 12, 14, 16, 18, 20, 24 */
+ u16 bpp_output; /* Legal values are 10, 12, 14, 16, 20, 24 */
+ u16 datatype;
+};
+
+static const struct ar0233_format_info ar0233_formats[] = {
+ {
+ .format = MEDIA_BUS_FMT_SGRBG12_1X12,
+ .bpp_input = 14,
+ .bpp_output = 12,
+ .datatype = MIPI_CSI2_DT_RAW12,
+ },
+};
+
+static const char * const ar0233_supplies[] = {
+ "vaa", /* Analog supply */
+ "vaapix", /* Pixel supply */
+ "vddio", /* I/O Digital supply */
+ "vddphy", /* PHY Digital supply */
+ "vdd", /* Core Digital supply */
+};
+
+struct ar0233 {
+ struct device *dev;
+
+ u16 customer_rev;
+
+ struct regmap *cci;
+ struct clk *clk;
+ struct gpio_desc *reset_gpio;
+ struct regulator_bulk_data supplies[ARRAY_SIZE(ar0233_supplies)];
+
+ u64 pixel_rate;
+
+ u16 pll_div;
+ u16 pll_mul;
+ u16 vt_pix_clk_div;
+ u16 vt_sys_clk_div;
+ u16 op_pix_clk_div;
+ u16 op_sys_clk_div;
+
+ struct v4l2_fwnode_endpoint bus_cfg;
+
+ struct v4l2_subdev sd;
+ struct media_pad pad;
+
+ struct v4l2_ctrl_handler ctrls;
+ struct v4l2_ctrl *rate;
+ struct v4l2_ctrl *hblank;
+ struct v4l2_ctrl *vblank;
+ struct v4l2_ctrl *exposure;
+ struct v4l2_ctrl *test_data[4];
+ struct {
+ struct v4l2_ctrl *hflip;
+ struct v4l2_ctrl *vflip;
+ };
+};
+
+static inline struct ar0233 *to_ar0233(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct ar0233, sd);
+}
+
+static const struct ar0233_format_info *
+ ar0233_format_info(struct ar0233 *sensor, u32 code, bool use_def)
+{
+ const struct ar0233_format_info *def = NULL;
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(ar0233_formats); ++i) {
+ const struct ar0233_format_info *info = &ar0233_formats[i];
+
+ if (info->format == code)
+ return info;
+
+ if (!def)
+ def = info;
+ }
+
+ return use_def ? def : NULL;
+}
+
+static int ar0233_configure_pll(struct ar0233 *sensor)
+{
+ int ret = 0;
+
+ if (sensor->pll_mul & 1)
+ dev_warn_once(sensor->dev,
+ "Odd PLL multiplier, Link frequency will not be exact\n");
+
+ cci_write(sensor->cci, AR0233_PRE_PLL_CLK_DIV,
+ sensor->pll_div, &ret);
+ cci_write(sensor->cci, AR0233_PLL_MULTIPLIER,
+ sensor->pll_mul, &ret);
+ cci_write(sensor->cci, AR0233_VT_PIX_CLK_DIV,
+ sensor->vt_pix_clk_div, &ret);
+ cci_write(sensor->cci, AR0233_VT_SYS_CLK_DIV,
+ FASTER_CLK_DIV(7) | sensor->vt_sys_clk_div, &ret);
+ cci_write(sensor->cci, AR0233_OP_PIX_CLK_DIV,
+ sensor->op_pix_clk_div, &ret);
+ cci_write(sensor->cci, AR0233_OP_SYS_CLK_DIV,
+ sensor->op_sys_clk_div, &ret);
+
+ /* Wait 1ms for the PLL to lock. */
+ fsleep(1000);
+
+ return ret;
+}
+
+static int ar0233_configure_mipi(struct ar0233 *sensor,
+ const struct ar0233_format_info *info)
+{
+ const u32 edt = AR0233_MIPI_Fx_EDT(MIPI_CSI2_DT_EMBEDDED_8B);
+ const u32 pdt = AR0233_MIPI_Fx_PDT(info->datatype);
+ const u32 vdt = AR0233_MIPI_Fx_VDT(MIPI_CSI2_DT_BLANKING);
+ unsigned int num_lanes = sensor->bus_cfg.bus.mipi_csi2.num_data_lanes;
+ int ret = 0;
+
+ cci_write(sensor->cci, AR0233_SERIAL_FORMAT,
+ AR0233_SERIAL_FORMAT_TYPE_MIPI |
+ AR0233_SERIAL_FORMAT_LANES(num_lanes), &ret);
+
+ cci_write(sensor->cci, AR0233_MIPI_F1_PDT_EDT, edt | pdt, &ret);
+ cci_write(sensor->cci, AR0233_MIPI_F1_VDT_VC,
+ AR0233_MIPI_Fx_VC(0) | vdt, &ret);
+ cci_write(sensor->cci, AR0233_MIPI_F2_PDT_EDT, edt | pdt, &ret);
+ cci_write(sensor->cci, AR0233_MIPI_F2_VDT_VC,
+ AR0233_MIPI_Fx_VC(0) | vdt, &ret);
+ cci_write(sensor->cci, AR0233_MIPI_F3_PDT_EDT, edt | pdt, &ret);
+ cci_write(sensor->cci, AR0233_MIPI_F3_VDT_VC,
+ AR0233_MIPI_Fx_VC(0) | vdt, &ret);
+ cci_write(sensor->cci, AR0233_MIPI_F4_PDT_EDT, edt | pdt, &ret);
+ cci_write(sensor->cci, AR0233_MIPI_F4_VDT_VC,
+ AR0233_MIPI_Fx_VC(0) | vdt, &ret);
+
+ return ret;
+}
+
+static int ar0233_start_streaming(struct ar0233 *sensor,
+ const struct v4l2_subdev_state *state)
+{
+ const struct v4l2_mbus_framefmt *format;
+ const struct ar0233_format_info *info;
+ const struct v4l2_rect *crop;
+ int ret;
+ u16 val;
+
+ format = v4l2_subdev_state_get_format(state, 0);
+ crop = v4l2_subdev_state_get_crop(state, 0);
+ info = ar0233_format_info(sensor, format->code, true);
+
+ /* For REV1, 24 bit is not operational (OUTPUT) */
+ if ((sensor->customer_rev < 2) && (info->bpp_output == 24)) {
+ dev_err(sensor->dev, "The sensor does not support 24bpp.\n");
+ return -EINVAL;
+ }
+
+ ret = ar0233_configure_pll(sensor);
+ if (ret)
+ return ret;
+
+ cci_write(sensor->cci, AR0233_DATA_FORMAT_BITS,
+ AR0233_DATA_FORMAT_RAW(info->bpp_input) |
+ AR0233_DATA_FORMAT_OUTPUT(info->bpp_output), &ret);
+
+ cci_write(sensor->cci, AR0233_X_ADDR_START,
+ crop->left + AR0233_X_OFFSET, &ret);
+ cci_write(sensor->cci, AR0233_Y_ADDR_START,
+ crop->top + AR0233_Y_OFFSET, &ret);
+ cci_write(sensor->cci, AR0233_X_ADDR_END,
+ crop->left + crop->width + AR0233_X_OFFSET - 1, &ret);
+ cci_write(sensor->cci, AR0233_Y_ADDR_END,
+ crop->top + crop->height + AR0233_Y_OFFSET - 1, &ret);
+
+ if (ret)
+ return ret;
+
+ ret = __v4l2_ctrl_handler_setup(&sensor->ctrls);
+ if (ret)
+ return ret;
+
+ ret = ar0233_configure_mipi(sensor, info);
+
+ val = AR0233_RESET_LPF_ENABLE;
+ val |= AR0233_RESET_REGISTER_MASK_BAD;
+ val |= AR0233_RESET_REGISTER_STANDBY_EOF;
+ val |= AR0233_RESET_REGISTER_LOCK_REG;
+ val |= AR0233_RESET_REGISTER_STREAM;
+ cci_write(sensor->cci, AR0233_RESET_REGISTER, val, &ret);
+
+ return ret;
+}
+
+#define ar0233_read_poll_timeout(sensor, addr, bit) \
+({ \
+ int __ret, __err = 0; \
+ u64 __val = 0; \
+ \
+ __ret = read_poll_timeout(cci_read, __err, \
+ __err || (__val & (bit)), 200, \
+ 2000000, false, (sensor)->cci, \
+ addr, &__val, NULL); \
+ \
+ __ret ? : __err; \
+})
+
+static int ar0233_stop_streaming(struct ar0233 *sensor)
+{
+ int ret = 0;
+
+ /* Initiate the transition to standby by clearing the STREAM bit */
+ if (cci_write(sensor->cci, AR0233_MODE_SELECT, 0, &ret))
+ return ret;
+
+ ret = ar0233_read_poll_timeout(sensor, AR0233_FRAME_STATUS,
+ AR0233_FRAME_STATUS_STANDBY);
+ if (ret)
+ dev_warn(sensor->dev, "%s while trying to enter standby (%d)\n",
+ (ret == -ETIMEDOUT) ? "timeout" : "error", ret);
+
+ /* Standby state reached, disable the output interface */
+ return cci_write(sensor->cci, AR0233_RESET_REGISTER,
+ AR0233_RESET_REGISTER_SMIA_SERIALIZER_DIS, NULL);
+}
+
+static int ar0233_pll_calculate(struct ar0233 *sensor, unsigned int bpp)
+{
+ u64 link_freq = sensor->bus_cfg.link_frequencies[0] * 2;
+ u16 bpp_div = bpp / 2;
+
+ sensor->pixel_rate = DIV_ROUND_CLOSEST_ULL(link_freq, bpp_div);
+
+ if ((sensor->pixel_rate < 4000000ULL) ||
+ (sensor->pixel_rate > 125000000ULL)) {
+ dev_err(sensor->dev, "Link frequency out of bounds\n");
+ return -EINVAL;
+ }
+
+ sensor->vt_pix_clk_div = bpp_div;
+ sensor->vt_sys_clk_div = sensor->bus_cfg.bus.mipi_csi2.num_data_lanes;
+ sensor->op_pix_clk_div = bpp_div;
+ sensor->op_sys_clk_div = 2;
+
+ for (sensor->pll_div = 1; sensor->pll_div < 64; sensor->pll_div++) {
+ u64 rate = DIV_ROUND_CLOSEST_ULL(clk_get_rate(sensor->clk),
+ sensor->pll_div);
+ sensor->pll_mul = DIV_ROUND_DOWN_ULL(link_freq, rate);
+ if ((rate * sensor->pll_mul) == link_freq)
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+static int ar0233_pll_update(struct ar0233 *sensor,
+ const struct ar0233_format_info *info)
+{
+ int ret;
+
+ ret = ar0233_pll_calculate(sensor, info->bpp_output);
+ if (ret)
+ dev_err(sensor->dev, "PLL calculations failed: %d\n", ret);
+ else
+ __v4l2_ctrl_s_ctrl_int64(sensor->rate, sensor->pixel_rate);
+
+ return ret;
+}
+
+static const char * const ar0233_test_pattern_menu[] = {
+ "Disabled",
+ "Solid color",
+ "Full Color Bars",
+ "Fade to Gray Color Bars",
+ "Walking 1",
+};
+
+static const u32 ar0233_test_pattern_values[] = {
+ AR0233_TEST_PATTERN_NONE,
+ AR0233_TEST_PATTERN_SOLID,
+ AR0233_TEST_PATTERN_BARS,
+ AR0233_TEST_PATTERN_BARS_FADE,
+ AR0233_TEST_PATTERN_WALKING_1S,
+};
+
+static int ar0233_update_exposure(struct ar0233 *sensor,
+ const struct v4l2_rect *crop)
+{
+ const unsigned int max = crop->height + sensor->vblank->val - 1;
+
+ return __v4l2_ctrl_modify_range(sensor->exposure, 1, max, 1, max);
+}
+
+static void ar0233_update_blanking(struct ar0233 *sensor,
+ const struct v4l2_subdev_state *state)
+{
+ const struct v4l2_rect *crop;
+ unsigned int min, max;
+
+ crop = v4l2_subdev_state_get_crop(state, 0);
+
+ min = AR0233_MIN_HBLANK;
+ max = AR0233_MAX_LINE_LENGTH_PCK - crop->width;
+ __v4l2_ctrl_modify_range(sensor->hblank, min, max, 2, min);
+
+ min = AR0233_MIN_VBLANK;
+ max = AR0233_MAX_FRAME_LENGTH_LINES - crop->height;
+ __v4l2_ctrl_modify_range(sensor->vblank, min, max, 1, min);
+
+ ar0233_update_exposure(sensor, crop);
+}
+
+static int ar0233_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct ar0233 *sensor = container_of(ctrl->handler, struct ar0233, ctrls);
+ const struct v4l2_subdev_state *state;
+ const struct v4l2_mbus_framefmt *format;
+ const struct ar0233_format_info *info;
+ const struct v4l2_rect *crop;
+ int ret = 0;
+ u16 reg;
+
+ /*
+ * Return immediately for controls that don't need to be applied to the
+ * device.
+ */
+ if (ctrl->flags & (V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_GRABBED))
+ return 0;
+
+ state = v4l2_subdev_get_locked_active_state(&sensor->sd);
+ format = v4l2_subdev_state_get_format(state, 0);
+ info = ar0233_format_info(sensor, format->code, true);
+ crop = v4l2_subdev_state_get_crop(state, 0);
+
+ switch (ctrl->id) {
+ case V4L2_CID_VBLANK:
+ ret = ar0233_update_exposure(sensor, crop);
+ break;
+ default:
+ break;
+ }
+
+ if (ret)
+ return ret;
+
+ if (!pm_runtime_get_if_in_use(sensor->dev))
+ return 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_ANALOGUE_GAIN:
+ reg = ctrl->val << 12;
+ reg |= ctrl->val << 8;
+ reg |= ctrl->val << 4;
+ reg |= ctrl->val << 0;
+ cci_write(sensor->cci, AR0233_ANALOG_GAIN, reg, &ret);
+ break;
+ case V4L2_CID_DIGITAL_GAIN:
+ cci_write(sensor->cci, AR0233_GLOBAL_GAIN, ctrl->val, &ret);
+ break;
+ case V4L2_CID_EXPOSURE:
+ cci_write(sensor->cci, AR0233_COARSE_INTEGRATION_TIME,
+ ctrl->val, &ret);
+ break;
+ case V4L2_CID_HBLANK:
+ cci_write(sensor->cci, AR0233_LINE_LENGTH_PCK,
+ crop->width + ctrl->val, &ret);
+ break;
+ case V4L2_CID_VBLANK:
+ cci_write(sensor->cci, AR0233_FRAME_LENGTH_LINES,
+ crop->height + ctrl->val, &ret);
+ break;
+ case V4L2_CID_TEST_PATTERN:
+ cci_write(sensor->cci, AR0233_TEST_PATTERN_MODE,
+ ar0233_test_pattern_values[ctrl->val], &ret);
+ break;
+ case V4L2_CID_TEST_PATTERN_RED:
+ case V4L2_CID_TEST_PATTERN_GREENR:
+ case V4L2_CID_TEST_PATTERN_BLUE:
+ case V4L2_CID_TEST_PATTERN_GREENB:
+ cci_write(sensor->cci, AR0233_GROUPED_PARAMETER_HOLD,
+ AR0233_RESET_REGISTER_GROUPED_PARAMETER_HOLD, &ret);
+
+ cci_write(sensor->cci, AR0233_TEST_DATA_RED,
+ sensor->test_data[0]->val, &ret);
+ cci_write(sensor->cci, AR0233_TEST_DATA_GREENR,
+ sensor->test_data[1]->val, &ret);
+ cci_write(sensor->cci, AR0233_TEST_DATA_BLUE,
+ sensor->test_data[2]->val, &ret);
+ cci_write(sensor->cci, AR0233_TEST_DATA_GREENB,
+ sensor->test_data[3]->val, &ret);
+
+ cci_write(sensor->cci, AR0233_GROUPED_PARAMETER_HOLD,
+ 0, &ret);
+ break;
+ case V4L2_CID_HFLIP:
+ case V4L2_CID_VFLIP:
+ reg = sensor->hflip->val ? AR0233_ORIENTATION_HORIZ_MIRROR : 0;
+ reg |= sensor->vflip->val ? AR0233_ORIENTATION_VERT_FLIP : 0;
+
+ cci_write(sensor->cci, AR0233_IMAGE_ORIENTATION, reg, &ret);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ pm_runtime_put(sensor->dev);
+
+ return ret;
+}
+
+static const struct v4l2_ctrl_ops ar0233_ctrl_ops = {
+ .s_ctrl = ar0233_s_ctrl,
+};
+
+static const u32 test_pattern_ctrls[] = {
+ V4L2_CID_TEST_PATTERN_RED,
+ V4L2_CID_TEST_PATTERN_GREENR,
+ V4L2_CID_TEST_PATTERN_BLUE,
+ V4L2_CID_TEST_PATTERN_GREENB,
+};
+
+static int ar0233_init_ctrls(struct ar0233 *sensor)
+{
+ struct v4l2_fwnode_device_properties props;
+ unsigned int i;
+ int ret;
+
+ ret = v4l2_fwnode_device_parse(sensor->dev, &props);
+ if (ret < 0)
+ return ret;
+
+ v4l2_ctrl_handler_init(&sensor->ctrls, 15);
+
+ v4l2_ctrl_new_fwnode_properties(&sensor->ctrls, &ar0233_ctrl_ops,
+ &props);
+
+ sensor->rate = v4l2_ctrl_new_std(&sensor->ctrls, &ar0233_ctrl_ops,
+ V4L2_CID_PIXEL_RATE, 1, INT_MAX, 1, 1);
+
+ sensor->hblank =
+ v4l2_ctrl_new_std(&sensor->ctrls, &ar0233_ctrl_ops,
+ V4L2_CID_HBLANK, AR0233_MIN_HBLANK,
+ AR0233_MIN_HBLANK, 2, AR0233_MIN_HBLANK);
+
+ sensor->vblank =
+ v4l2_ctrl_new_std(&sensor->ctrls, &ar0233_ctrl_ops,
+ V4L2_CID_VBLANK, AR0233_MIN_VBLANK,
+ AR0233_MIN_VBLANK, 1, AR0233_MIN_VBLANK);
+
+ sensor->exposure =
+ v4l2_ctrl_new_std(&sensor->ctrls, &ar0233_ctrl_ops,
+ V4L2_CID_EXPOSURE, 1,
+ AR0233_MAX_FRAME_LENGTH_LINES - 1, 1,
+ AR0233_DEF_HEIGHT + AR0233_MIN_VBLANK - 1);
+
+ v4l2_ctrl_new_std(&sensor->ctrls, &ar0233_ctrl_ops,
+ V4L2_CID_ANALOGUE_GAIN, 0, 5, 1, 2);
+
+ v4l2_ctrl_new_std(&sensor->ctrls, &ar0233_ctrl_ops,
+ V4L2_CID_DIGITAL_GAIN, 0, 0x7ff, 1, 0x080);
+
+ v4l2_ctrl_new_std_menu_items(&sensor->ctrls, &ar0233_ctrl_ops,
+ V4L2_CID_TEST_PATTERN,
+ ARRAY_SIZE(ar0233_test_pattern_menu) - 1,
+ 0, 0, ar0233_test_pattern_menu);
+
+ for (i = 0; i < ARRAY_SIZE(test_pattern_ctrls); ++i)
+ sensor->test_data[i] =
+ v4l2_ctrl_new_std(&sensor->ctrls, &ar0233_ctrl_ops,
+ test_pattern_ctrls[i], 0, 4095, 1, 0);
+
+ sensor->hflip = v4l2_ctrl_new_std(&sensor->ctrls, &ar0233_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, 0);
+
+ sensor->vflip = v4l2_ctrl_new_std(&sensor->ctrls, &ar0233_ctrl_ops,
+ V4L2_CID_VFLIP, 0, 1, 1, 0);
+
+ if (sensor->ctrls.error) {
+ ret = sensor->ctrls.error;
+ v4l2_ctrl_handler_free(&sensor->ctrls);
+ return ret;
+ }
+
+ v4l2_ctrl_cluster(4, sensor->test_data);
+ v4l2_ctrl_cluster(2, &sensor->hflip);
+
+ sensor->sd.ctrl_handler = &sensor->ctrls;
+
+ return 0;
+}
+
+static int ar0233_enum_mbus_code(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state,
+ struct v4l2_subdev_mbus_code_enum *code)
+{
+ if (code->index >= ARRAY_SIZE(ar0233_formats))
+ return -EINVAL;
+
+ code->code = ar0233_formats[code->index].format;
+
+ return 0;
+}
+
+static int ar0233_enum_frame_size(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state,
+ struct v4l2_subdev_frame_size_enum *fse)
+{
+ struct ar0233 *sensor = to_ar0233(sd);
+ const struct ar0233_format_info *info;
+
+ info = ar0233_format_info(sensor, fse->code, false);
+ if (!info)
+ return -EINVAL;
+
+ if (fse->index >= ARRAY_SIZE(ar0233_formats))
+ return -EINVAL;
+
+ fse->min_width = AR0233_MIN_WIDTH;
+ fse->max_width = AR0233_ACT_WIDTH;
+ fse->min_height = AR0233_MIN_HEIGHT;
+ fse->max_height = AR0233_ACT_HEIGHT;
+
+ return 0;
+}
+
+static int ar0233_set_fmt(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state,
+ struct v4l2_subdev_format *format)
+{
+ struct ar0233 *sensor = to_ar0233(sd);
+ const struct ar0233_format_info *info;
+ struct v4l2_mbus_framefmt *fmt;
+ const struct v4l2_rect *crop;
+
+ if (v4l2_subdev_is_streaming(sd) &&
+ (format->which == V4L2_SUBDEV_FORMAT_ACTIVE))
+ return -EBUSY;
+
+ fmt = v4l2_subdev_state_get_format(state, format->pad);
+ crop = v4l2_subdev_state_get_crop(state, format->pad);
+ info = ar0233_format_info(sensor, format->format.code, true);
+ fmt->code = info->format;
+
+ fmt->width = clamp(format->format.width, 1U, crop->width);
+ fmt->height = clamp(format->format.height, 1U, crop->height);
+
+ format->format = *fmt;
+
+ if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE)
+ ar0233_pll_update(sensor, info);
+
+ return 0;
+}
+
+static int ar0233_get_selection(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state,
+ struct v4l2_subdev_selection *sel)
+{
+ switch (sel->target) {
+ case V4L2_SEL_TGT_CROP:
+ sel->r = *v4l2_subdev_state_get_crop(state, sel->pad);
+ break;
+ case V4L2_SEL_TGT_CROP_DEFAULT:
+ sel->r.left = (AR0233_ACT_WIDTH - AR0233_DEF_WIDTH) / 2;
+ sel->r.top = (AR0233_ACT_HEIGHT - AR0233_DEF_HEIGHT) / 2;
+ sel->r.width = AR0233_DEF_WIDTH;
+ sel->r.height = AR0233_DEF_HEIGHT;
+ break;
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ sel->r.left = 0;
+ sel->r.top = 0;
+ sel->r.width = AR0233_ACT_WIDTH;
+ sel->r.height = AR0233_ACT_HEIGHT;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int ar0233_set_selection(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state,
+ struct v4l2_subdev_selection *sel)
+{
+ struct v4l2_mbus_framefmt *fmt;
+ struct v4l2_rect *crop;
+
+ if (v4l2_subdev_is_streaming(sd) &&
+ (sel->which == V4L2_SUBDEV_FORMAT_ACTIVE))
+ return -EBUSY;
+
+ if (sel->target != V4L2_SEL_TGT_CROP)
+ return -EINVAL;
+
+ crop = v4l2_subdev_state_get_crop(state, 0);
+ fmt = v4l2_subdev_state_get_format(state, 0);
+
+ crop->left = min_t(unsigned int, ALIGN(sel->r.left, 2),
+ AR0233_ACT_WIDTH - AR0233_MIN_WIDTH);
+ crop->top = min_t(unsigned int, ALIGN(sel->r.top, 2),
+ AR0233_ACT_HEIGHT - AR0233_MIN_HEIGHT);
+ crop->width = clamp(sel->r.width, AR0233_MIN_WIDTH,
+ AR0233_ACT_WIDTH - crop->left);
+ crop->height = clamp(sel->r.height, AR0233_MIN_HEIGHT,
+ AR0233_ACT_HEIGHT - crop->top);
+
+ sel->r = *crop;
+
+ fmt->width = crop->width;
+ fmt->height = crop->height;
+
+ return 0;
+}
+
+static int ar0233_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
+ struct v4l2_mbus_frame_desc *fd)
+{
+ struct ar0233 *sensor = to_ar0233(sd);
+ const struct ar0233_format_info *info;
+ const struct v4l2_mbus_framefmt *fmt;
+ struct v4l2_subdev_state *state;
+ u32 code;
+
+ state = v4l2_subdev_lock_and_get_active_state(sd);
+ fmt = v4l2_subdev_state_get_format(state, 0);
+ code = fmt->code;
+ v4l2_subdev_unlock_state(state);
+
+ info = ar0233_format_info(sensor, code, true);
+
+ fd->type = V4L2_MBUS_FRAME_DESC_TYPE_CSI2;
+ fd->num_entries = 1;
+
+ fd->entry[0].pixelcode = code;
+ fd->entry[0].stream = 0;
+ fd->entry[0].bus.csi2.vc = 0;
+ fd->entry[0].bus.csi2.dt = info->datatype;
+
+ return 0;
+}
+
+static int ar0233_enable_streams(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state, u32 pad,
+ u64 streams_mask)
+{
+ struct ar0233 *sensor = to_ar0233(sd);
+ int ret;
+
+ ret = pm_runtime_resume_and_get(sensor->dev);
+ if (ret)
+ return ret;
+
+ ret = ar0233_start_streaming(sensor, state);
+ if (ret) {
+ dev_err(sensor->dev, "Failed to start streaming: %d\n", ret);
+ pm_runtime_put_sync(sensor->dev);
+ }
+
+ return ret;
+}
+
+static int ar0233_disable_streams(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state, u32 pad,
+ u64 streams_mask)
+{
+ struct ar0233 *sensor = to_ar0233(sd);
+
+ ar0233_stop_streaming(sensor);
+ pm_runtime_put(sensor->dev);
+
+ return 0;
+}
+
+static int ar0233_entity_init_state(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state)
+{
+ const struct ar0233_format_info *info;
+ struct ar0233 *sensor = to_ar0233(sd);
+ struct v4l2_mbus_framefmt *fmt;
+ struct v4l2_rect *crop;
+
+ info = ar0233_format_info(sensor, 0, true);
+
+ fmt = v4l2_subdev_state_get_format(state, 0);
+ fmt->width = AR0233_DEF_WIDTH;
+ fmt->height = AR0233_DEF_HEIGHT;
+ fmt->code = info->format;
+ fmt->field = V4L2_FIELD_NONE;
+ fmt->colorspace = V4L2_COLORSPACE_RAW;
+ fmt->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
+ fmt->quantization = V4L2_QUANTIZATION_DEFAULT;
+ fmt->xfer_func = V4L2_XFER_FUNC_NONE;
+
+ crop = v4l2_subdev_state_get_crop(state, 0);
+ crop->left = 0;
+ crop->top = 0;
+ crop->width = AR0233_DEF_WIDTH;
+ crop->height = AR0233_DEF_HEIGHT;
+
+ return 0;
+}
+
+static const struct v4l2_subdev_pad_ops ar0233_subdev_pad_ops = {
+ .enum_mbus_code = ar0233_enum_mbus_code,
+ .enum_frame_size = ar0233_enum_frame_size,
+ .get_fmt = v4l2_subdev_get_fmt,
+ .set_fmt = ar0233_set_fmt,
+ .get_selection = ar0233_get_selection,
+ .set_selection = ar0233_set_selection,
+ .get_frame_desc = ar0233_get_frame_desc,
+ .enable_streams = ar0233_enable_streams,
+ .disable_streams = ar0233_disable_streams,
+};
+
+static const struct v4l2_subdev_ops ar0233_subdev_ops = {
+ .pad = &ar0233_subdev_pad_ops,
+};
+
+static const struct v4l2_subdev_internal_ops ar0233_subdev_internal_ops = {
+ .init_state = ar0233_entity_init_state,
+};
+
+static const struct media_entity_operations ar0233_entity_ops = {
+ .link_validate = v4l2_subdev_link_validate,
+};
+
+static int ar0233_init_subdev(struct ar0233 *sensor)
+{
+ struct i2c_client *client = to_i2c_client(sensor->dev);
+ struct v4l2_subdev *sd = &sensor->sd;
+ const struct v4l2_mbus_framefmt *format;
+ const struct ar0233_format_info *info;
+ struct v4l2_subdev_state *state;
+ int ret;
+
+ v4l2_i2c_subdev_init(sd, client, &ar0233_subdev_ops);
+
+ sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+ sd->internal_ops = &ar0233_subdev_internal_ops;
+ sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
+ sd->entity.ops = &ar0233_entity_ops;
+
+ sensor->pad.flags = MEDIA_PAD_FL_SOURCE;
+
+ ret = media_entity_pads_init(&sd->entity, 1, &sensor->pad);
+ if (ret)
+ return ret;
+
+ ret = ar0233_init_ctrls(sensor);
+ if (ret)
+ goto err_entity;
+
+ sensor->sd.state_lock = sensor->ctrls.lock;
+ ret = v4l2_subdev_init_finalize(&sensor->sd);
+ if (ret)
+ goto err_ctrls;
+
+ state = v4l2_subdev_lock_and_get_active_state(sd);
+ format = v4l2_subdev_state_get_format(state, 0);
+ info = ar0233_format_info(sensor, format->code, true);
+
+ ar0233_pll_update(sensor, info);
+ ar0233_update_blanking(sensor, state);
+
+ v4l2_subdev_unlock_state(state);
+
+ return 0;
+
+err_ctrls:
+ v4l2_ctrl_handler_free(&sensor->ctrls);
+
+err_entity:
+ media_entity_cleanup(&sd->entity);
+
+ return ret;
+}
+
+static void ar0233_cleanup_subdev(struct ar0233 *sensor)
+{
+ v4l2_subdev_cleanup(&sensor->sd);
+ v4l2_ctrl_handler_free(&sensor->ctrls);
+ media_entity_cleanup(&sensor->sd.entity);
+}
+
+static int ar0233_detect(struct ar0233 *sensor)
+{
+ int ret = 0;
+ u64 val;
+
+ if (cci_read(sensor->cci, AR0233_CHIP_VERSION_REG, &val, &ret)) {
+ dev_err(sensor->dev, "Failed to read Chip ID: %d\n", ret);
+ return ret;
+ }
+
+ if (val != AR0233_CHIP_VERSION_AR0233) {
+ dev_err(sensor->dev, "Wrong Chip ID: 0x%04x\n", (u16)val);
+ return -ENXIO;
+ }
+
+ if (!cci_read(sensor->cci, AR0233_CUSTOMER_REV, &val, &ret))
+ sensor->customer_rev = val & 0xf;
+
+ if (!cci_read(sensor->cci, AR0233_REVISION_NUMBER, &val, &ret))
+ dev_info(sensor->dev,
+ "Found AR0233 chip, revision %d, customer rev %d\n",
+ (u16)val, sensor->customer_rev);
+
+ return ret;
+}
+
+static int ar0233_power_on(struct ar0233 *sensor)
+{
+ unsigned long clk_rate;
+ int ret;
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(ar0233_supplies),
+ sensor->supplies);
+ if (ret) {
+ dev_err(sensor->dev, "Failed to enable regulators\n");
+ return ret;
+ }
+
+ ret = clk_prepare_enable(sensor->clk);
+ if (ret) {
+ dev_err(sensor->dev, "Failed to enable clock\n");
+ regulator_bulk_disable(ARRAY_SIZE(ar0233_supplies),
+ sensor->supplies);
+ return ret;
+ }
+
+ clk_rate = clk_get_rate(sensor->clk);
+ if ((clk_rate < 6000000) || (clk_rate > 64000000)) {
+ dev_err(sensor->dev, "Clock frequency out of bounds\n");
+ clk_disable_unprepare(sensor->clk);
+ regulator_bulk_disable(ARRAY_SIZE(ar0233_supplies),
+ sensor->supplies);
+ return -EINVAL;
+ }
+
+ fsleep(1000);
+
+ if (sensor->reset_gpio)
+ gpiod_set_value_cansleep(sensor->reset_gpio, 0);
+ else
+ cci_write(sensor->cci, AR0233_SOFTWARE_RESET, AR0233_RESET,
+ &ret);
+
+ /* The typical internal initialization time is 236K Ext clk cycles */
+ fsleep(DIV_ROUND_UP_ULL(236000ULL * USEC_PER_SEC, clk_rate));
+
+ return ret;
+}
+
+static void ar0233_power_off(struct ar0233 *sensor)
+{
+ gpiod_set_value_cansleep(sensor->reset_gpio, 1);
+ clk_disable_unprepare(sensor->clk);
+ regulator_bulk_disable(ARRAY_SIZE(ar0233_supplies), sensor->supplies);
+}
+
+static int ar0233_parse_dt(struct ar0233 *sensor)
+{
+ struct v4l2_fwnode_endpoint *ep = &sensor->bus_cfg;
+ struct fwnode_handle *endpoint;
+ unsigned int i;
+ int ret;
+
+ endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(sensor->dev), NULL);
+ if (!endpoint) {
+ dev_err(sensor->dev, "Endpoint node not found\n");
+ return -EINVAL;
+ }
+
+ ep->bus_type = V4L2_MBUS_UNKNOWN;
+ ret = v4l2_fwnode_endpoint_alloc_parse(endpoint, ep);
+ fwnode_handle_put(endpoint);
+ if (ret) {
+ dev_err(sensor->dev, "Parsing endpoint node failed\n");
+ goto ep_free;
+ }
+
+ switch (ep->bus_type) {
+ case V4L2_MBUS_CSI2_DPHY:
+ switch (ep->bus.mipi_csi2.num_data_lanes) {
+ case 1:
+ case 2:
+ case 4:
+ break;
+ default:
+ dev_err(sensor->dev, "Invalid data lanes count: %d\n",
+ ep->bus.mipi_csi2.num_data_lanes);
+ ret = -EINVAL;
+ goto ep_free;
+ }
+ break;
+
+ default:
+ dev_err(sensor->dev, "Unsupported bus type %u\n", ep->bus_type);
+ ret = -EINVAL;
+ goto ep_free;
+ }
+
+ if (!ep->nr_of_link_frequencies) {
+ dev_err(sensor->dev, "link-frequency property not found\n");
+ ret = -EINVAL;
+ goto ep_free;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(ar0233_formats); i++) {
+ const struct ar0233_format_info *info = &ar0233_formats[i];
+
+ ret = ar0233_pll_calculate(sensor, info->bpp_output);
+ if (ret) {
+ dev_err(sensor->dev,
+ "Link frequency %llu not valid for %u bpp\n",
+ ep->link_frequencies[0], info->bpp_output);
+ goto ep_free;
+ }
+ }
+
+ return 0;
+
+ep_free:
+ v4l2_fwnode_endpoint_free(&sensor->bus_cfg);
+
+ return ret;
+}
+
+static int ar0233_probe(struct i2c_client *client)
+{
+ struct ar0233 *sensor;
+ unsigned int i;
+ int ret;
+
+ sensor = devm_kzalloc(&client->dev, sizeof(*sensor), GFP_KERNEL);
+ if (!sensor)
+ return -ENOMEM;
+
+ sensor->dev = &client->dev;
+
+ sensor->cci = devm_cci_regmap_init_i2c(client, 16);
+ if (IS_ERR(sensor->cci))
+ return dev_err_probe(sensor->dev, PTR_ERR(sensor->cci),
+ "Unable to initialize I2C\n");
+
+ sensor->clk = devm_clk_get(sensor->dev, NULL);
+ if (IS_ERR(sensor->clk))
+ return dev_err_probe(sensor->dev, PTR_ERR(sensor->clk),
+ "Cannot get clock\n");
+
+ sensor->reset_gpio = devm_gpiod_get_optional(sensor->dev, "reset",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(sensor->reset_gpio))
+ return dev_err_probe(sensor->dev, PTR_ERR(sensor->reset_gpio),
+ "Cannot get reset gpio\n");
+
+ for (i = 0; i < ARRAY_SIZE(ar0233_supplies); i++)
+ sensor->supplies[i].supply = ar0233_supplies[i];
+
+ ret = devm_regulator_bulk_get(sensor->dev, ARRAY_SIZE(ar0233_supplies),
+ sensor->supplies);
+ if (ret)
+ return dev_err_probe(sensor->dev, ret, "Cannot get supplies\n");
+
+ ret = ar0233_parse_dt(sensor);
+ if (ret)
+ return ret;
+
+ ret = ar0233_power_on(sensor);
+ if (ret) {
+ dev_err_probe(sensor->dev, ret,
+ "Could not power on the device\n");
+ goto err_dt;
+ }
+
+ ret = ar0233_detect(sensor);
+ if (ret)
+ goto err_power;
+
+ ret = ar0233_init_subdev(sensor);
+ if (ret) {
+ dev_err(sensor->dev, "Subdev initialization error %d\n", ret);
+ goto err_power;
+ }
+
+ ret = v4l2_async_register_subdev_sensor(&sensor->sd);
+ if (ret) {
+ dev_err(sensor->dev, "Could not register V4L2 subdevice\n");
+ goto err_subdev;
+ }
+
+ pm_runtime_set_active(sensor->dev);
+ pm_runtime_enable(sensor->dev);
+ pm_runtime_idle(sensor->dev);
+
+ return 0;
+
+err_subdev:
+ ar0233_cleanup_subdev(sensor);
+
+err_power:
+ ar0233_power_off(sensor);
+
+err_dt:
+ v4l2_fwnode_endpoint_free(&sensor->bus_cfg);
+
+ return ret;
+}
+
+static void ar0233_remove(struct i2c_client *client)
+{
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct ar0233 *sensor = to_ar0233(sd);
+
+ v4l2_async_unregister_subdev(&sensor->sd);
+ ar0233_cleanup_subdev(sensor);
+ v4l2_fwnode_endpoint_free(&sensor->bus_cfg);
+
+ pm_runtime_disable(sensor->dev);
+ if (!pm_runtime_status_suspended(sensor->dev))
+ ar0233_power_off(sensor);
+ pm_runtime_set_suspended(sensor->dev);
+}
+
+static int __maybe_unused ar0233_runtime_resume(struct device *dev)
+{
+ struct v4l2_subdev *sd = dev_get_drvdata(dev);
+ struct ar0233 *sensor = to_ar0233(sd);
+
+ return ar0233_power_on(sensor);
+}
+
+static int __maybe_unused ar0233_runtime_suspend(struct device *dev)
+{
+ struct v4l2_subdev *sd = dev_get_drvdata(dev);
+ struct ar0233 *sensor = to_ar0233(sd);
+
+ ar0233_power_off(sensor);
+
+ return 0;
+}
+
+static const struct dev_pm_ops __maybe_unused ar0233_pm_ops = {
+ RUNTIME_PM_OPS(ar0233_runtime_suspend, ar0233_runtime_resume, NULL)
+};
+
+static const struct of_device_id ar0233_of_match[] = {
+ { .compatible = "onnn,ar0233" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, ar0233_of_match);
+
+static struct i2c_driver ar0233_i2c_driver = {
+ .driver = {
+ .name = "ar0233",
+ .of_match_table = of_match_ptr(ar0233_of_match),
+ .pm = pm_ptr(&ar0233_pm_ops),
+ },
+ .probe = ar0233_probe,
+ .remove = ar0233_remove,
+};
+module_i2c_driver(ar0233_i2c_driver);
+
+MODULE_DESCRIPTION("Onsemi AR0233 Camera Sensor Driver");
+MODULE_AUTHOR("Alexander Shiyan <eagle.alexander923@gmail.com>");
+MODULE_LICENSE("GPL");
This is a new driver for the AR0233 ON Semiconductor camera sensor. The patch does not provide devicetree bindings yet and is published as RFC. Tested on Rockchip RK3568 with DS90UB953 serializer and DS90UB954 deserializer. Signed-off-by: Alexander Shiyan <eagle.alexander923@gmail.com> --- drivers/media/i2c/Kconfig | 11 + drivers/media/i2c/Makefile | 1 + drivers/media/i2c/ar0233.c | 1179 ++++++++++++++++++++++++++++++++++++ 3 files changed, 1191 insertions(+) create mode 100644 drivers/media/i2c/ar0233.c