From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/iio/light/gp2ap002.c | 722 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 722 insertions(+) create mode 100644 drivers/iio/light/gp2ap002.c (limited to 'drivers/iio/light/gp2ap002.c') diff --git a/drivers/iio/light/gp2ap002.c b/drivers/iio/light/gp2ap002.c new file mode 100644 index 000000000..8000fa347 --- /dev/null +++ b/drivers/iio/light/gp2ap002.c @@ -0,0 +1,722 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * These are the two Sharp GP2AP002 variants supported by this driver: + * GP2AP002A00F Ambient Light and Proximity Sensor + * GP2AP002S00F Proximity Sensor + * + * Copyright (C) 2020 Linaro Ltd. + * Author: Linus Walleij + * + * Based partly on the code in Sony Ericssons GP2AP00200F driver by + * Courtney Cavin and Oskar Andero in drivers/input/misc/gp2ap002a00f.c + * Based partly on a Samsung misc driver submitted by + * Donggeun Kim & Minkyu Kang in 2011: + * https://lore.kernel.org/lkml/1315556546-7445-1-git-send-email-dg77.kim@samsung.com/ + * Based partly on a submission by + * Jonathan Bakker and Paweł Chmiel in january 2019: + * https://lore.kernel.org/linux-input/20190125175045.22576-1-pawel.mikolaj.chmiel@gmail.com/ + * Based partly on code from the Samsung GT-S7710 by + * Based partly on the code in LG Electronics GP2AP00200F driver by + * Kenobi Lee and EunYoung Cho + */ +#include +#include +#include +#include +#include +#include +#include /* To get our ADC channel */ +#include /* To deal with our ADC channel */ +#include +#include +#include +#include +#include +#include +#include +#include + +#define GP2AP002_PROX_CHANNEL 0 +#define GP2AP002_ALS_CHANNEL 1 + +/* ------------------------------------------------------------------------ */ +/* ADDRESS SYMBOL DATA Init R/W */ +/* D7 D6 D5 D4 D3 D2 D1 D0 */ +/* ------------------------------------------------------------------------ */ +/* 0 PROX X X X X X X X VO H'00 R */ +/* 1 GAIN X X X X LED0 X X X H'00 W */ +/* 2 HYS HYSD HYSC1 HYSC0 X HYSF3 HYSF2 HYSF1 HYSF0 H'00 W */ +/* 3 CYCLE X X CYCL2 CYCL1 CYCL0 OSC2 X X H'00 W */ +/* 4 OPMOD X X X ASD X X VCON SSD H'00 W */ +/* 6 CON X X X OCON1 OCON0 X X X H'00 W */ +/* ------------------------------------------------------------------------ */ +/* VO :Proximity sensing result(0: no detection, 1: detection) */ +/* LED0 :Select switch for LED driver's On-registence(0:2x higher, 1:normal)*/ +/* HYSD/HYSF :Adjusts the receiver sensitivity */ +/* OSC :Select switch internal clocl frequency hoppling(0:effective) */ +/* CYCL :Determine the detection cycle(typically 8ms, up to 128x) */ +/* SSD :Software Shutdown function(0:shutdown, 1:operating) */ +/* VCON :VOUT output method control(0:normal, 1:interrupt) */ +/* ASD :Select switch for analog sleep function(0:ineffective, 1:effective)*/ +/* OCON :Select switch for enabling/disabling VOUT (00:enable, 11:disable) */ + +#define GP2AP002_PROX 0x00 +#define GP2AP002_GAIN 0x01 +#define GP2AP002_HYS 0x02 +#define GP2AP002_CYCLE 0x03 +#define GP2AP002_OPMOD 0x04 +#define GP2AP002_CON 0x06 + +#define GP2AP002_PROX_VO_DETECT BIT(0) + +/* Setting this bit to 0 means 2x higher LED resistance */ +#define GP2AP002_GAIN_LED_NORMAL BIT(3) + +/* + * These bits adjusts the proximity sensitivity, determining characteristics + * of the detection distance and its hysteresis. + */ +#define GP2AP002_HYS_HYSD_SHIFT 7 +#define GP2AP002_HYS_HYSD_MASK BIT(7) +#define GP2AP002_HYS_HYSC_SHIFT 5 +#define GP2AP002_HYS_HYSC_MASK GENMASK(6, 5) +#define GP2AP002_HYS_HYSF_SHIFT 0 +#define GP2AP002_HYS_HYSF_MASK GENMASK(3, 0) +#define GP2AP002_HYS_MASK (GP2AP002_HYS_HYSD_MASK | \ + GP2AP002_HYS_HYSC_MASK | \ + GP2AP002_HYS_HYSF_MASK) + +/* + * These values determine the detection cycle response time + * 0: 8ms, 1: 16ms, 2: 32ms, 3: 64ms, 4: 128ms, + * 5: 256ms, 6: 512ms, 7: 1024ms + */ +#define GP2AP002_CYCLE_CYCL_SHIFT 3 +#define GP2AP002_CYCLE_CYCL_MASK GENMASK(5, 3) + +/* + * Select switch for internal clock frequency hopping + * 0: effective, + * 1: ineffective + */ +#define GP2AP002_CYCLE_OSC_EFFECTIVE 0 +#define GP2AP002_CYCLE_OSC_INEFFECTIVE BIT(2) +#define GP2AP002_CYCLE_OSC_MASK BIT(2) + +/* Analog sleep effective */ +#define GP2AP002_OPMOD_ASD BIT(4) +/* Enable chip */ +#define GP2AP002_OPMOD_SSD_OPERATING BIT(0) +/* IRQ mode */ +#define GP2AP002_OPMOD_VCON_IRQ BIT(1) +#define GP2AP002_OPMOD_MASK (BIT(0) | BIT(1) | BIT(4)) + +/* + * Select switch for enabling/disabling Vout pin + * 0: enable + * 2: force to go Low + * 3: force to go High + */ +#define GP2AP002_CON_OCON_SHIFT 3 +#define GP2AP002_CON_OCON_ENABLE (0x0 << GP2AP002_CON_OCON_SHIFT) +#define GP2AP002_CON_OCON_LOW (0x2 << GP2AP002_CON_OCON_SHIFT) +#define GP2AP002_CON_OCON_HIGH (0x3 << GP2AP002_CON_OCON_SHIFT) +#define GP2AP002_CON_OCON_MASK (0x3 << GP2AP002_CON_OCON_SHIFT) + +/** + * struct gp2ap002 - GP2AP002 state + * @map: regmap pointer for the i2c regmap + * @dev: pointer to parent device + * @vdd: regulator controlling VDD + * @vio: regulator controlling VIO + * @alsout: IIO ADC channel to convert the ALSOUT signal + * @hys_far: hysteresis control from device tree + * @hys_close: hysteresis control from device tree + * @is_gp2ap002s00f: this is the GP2AP002F variant of the chip + * @irq: the IRQ line used by this device + * @enabled: we cannot read the status of the hardware so we need to + * keep track of whether the event is enabled using this state variable + */ +struct gp2ap002 { + struct regmap *map; + struct device *dev; + struct regulator *vdd; + struct regulator *vio; + struct iio_channel *alsout; + u8 hys_far; + u8 hys_close; + bool is_gp2ap002s00f; + int irq; + bool enabled; +}; + +static irqreturn_t gp2ap002_prox_irq(int irq, void *d) +{ + struct iio_dev *indio_dev = d; + struct gp2ap002 *gp2ap002 = iio_priv(indio_dev); + u64 ev; + int val; + int ret; + + if (!gp2ap002->enabled) + goto err_retrig; + + ret = regmap_read(gp2ap002->map, GP2AP002_PROX, &val); + if (ret) { + dev_err(gp2ap002->dev, "error reading proximity\n"); + goto err_retrig; + } + + if (val & GP2AP002_PROX_VO_DETECT) { + /* Close */ + dev_dbg(gp2ap002->dev, "close\n"); + ret = regmap_write(gp2ap002->map, GP2AP002_HYS, + gp2ap002->hys_far); + if (ret) + dev_err(gp2ap002->dev, + "error setting up proximity hysteresis\n"); + ev = IIO_UNMOD_EVENT_CODE(IIO_PROXIMITY, GP2AP002_PROX_CHANNEL, + IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING); + } else { + /* Far */ + dev_dbg(gp2ap002->dev, "far\n"); + ret = regmap_write(gp2ap002->map, GP2AP002_HYS, + gp2ap002->hys_close); + if (ret) + dev_err(gp2ap002->dev, + "error setting up proximity hysteresis\n"); + ev = IIO_UNMOD_EVENT_CODE(IIO_PROXIMITY, GP2AP002_PROX_CHANNEL, + IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING); + } + iio_push_event(indio_dev, ev, iio_get_time_ns(indio_dev)); + + /* + * After changing hysteresis, we need to wait for one detection + * cycle to see if anything changed, or we will just trigger the + * previous interrupt again. A detection cycle depends on the CYCLE + * register, we are hard-coding ~8 ms in probe() so wait some more + * than this, 20-30 ms. + */ + usleep_range(20000, 30000); + +err_retrig: + ret = regmap_write(gp2ap002->map, GP2AP002_CON, + GP2AP002_CON_OCON_ENABLE); + if (ret) + dev_err(gp2ap002->dev, "error setting up VOUT control\n"); + + return IRQ_HANDLED; +} + +/* + * This array maps current and lux. + * + * Ambient light sensing range is 3 to 55000 lux. + * + * This mapping is based on the following formula. + * illuminance = 10 ^ (current[mA] / 10) + * + * When the ADC measures 0, return 0 lux. + */ +static const u16 gp2ap002_illuminance_table[] = { + 0, 1, 1, 2, 2, 3, 4, 5, 6, 8, 10, 12, 16, 20, 25, 32, 40, 50, 63, 79, + 100, 126, 158, 200, 251, 316, 398, 501, 631, 794, 1000, 1259, 1585, + 1995, 2512, 3162, 3981, 5012, 6310, 7943, 10000, 12589, 15849, 19953, + 25119, 31623, 39811, 50119, +}; + +static int gp2ap002_get_lux(struct gp2ap002 *gp2ap002) +{ + int ret, res; + u16 lux; + + ret = iio_read_channel_processed(gp2ap002->alsout, &res); + if (ret < 0) + return ret; + + dev_dbg(gp2ap002->dev, "read %d mA from ADC\n", res); + + /* ensure we don't under/overflow */ + res = clamp(res, 0, (int)ARRAY_SIZE(gp2ap002_illuminance_table) - 1); + lux = gp2ap002_illuminance_table[res]; + + return (int)lux; +} + +static int gp2ap002_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, int *val2, long mask) +{ + struct gp2ap002 *gp2ap002 = iio_priv(indio_dev); + int ret; + + pm_runtime_get_sync(gp2ap002->dev); + + switch (mask) { + case IIO_CHAN_INFO_RAW: + switch (chan->type) { + case IIO_LIGHT: + ret = gp2ap002_get_lux(gp2ap002); + if (ret < 0) + return ret; + *val = ret; + ret = IIO_VAL_INT; + goto out; + default: + ret = -EINVAL; + goto out; + } + default: + ret = -EINVAL; + } + +out: + pm_runtime_mark_last_busy(gp2ap002->dev); + pm_runtime_put_autosuspend(gp2ap002->dev); + + return ret; +} + +static int gp2ap002_init(struct gp2ap002 *gp2ap002) +{ + int ret; + + /* Set up the IR LED resistance */ + ret = regmap_write(gp2ap002->map, GP2AP002_GAIN, + GP2AP002_GAIN_LED_NORMAL); + if (ret) { + dev_err(gp2ap002->dev, "error setting up LED gain\n"); + return ret; + } + ret = regmap_write(gp2ap002->map, GP2AP002_HYS, gp2ap002->hys_far); + if (ret) { + dev_err(gp2ap002->dev, + "error setting up proximity hysteresis\n"); + return ret; + } + + /* Disable internal frequency hopping */ + ret = regmap_write(gp2ap002->map, GP2AP002_CYCLE, + GP2AP002_CYCLE_OSC_INEFFECTIVE); + if (ret) { + dev_err(gp2ap002->dev, + "error setting up internal frequency hopping\n"); + return ret; + } + + /* Enable chip and IRQ, disable analog sleep */ + ret = regmap_write(gp2ap002->map, GP2AP002_OPMOD, + GP2AP002_OPMOD_SSD_OPERATING | + GP2AP002_OPMOD_VCON_IRQ); + if (ret) { + dev_err(gp2ap002->dev, "error setting up operation mode\n"); + return ret; + } + + /* Interrupt on VOUT enabled */ + ret = regmap_write(gp2ap002->map, GP2AP002_CON, + GP2AP002_CON_OCON_ENABLE); + if (ret) + dev_err(gp2ap002->dev, "error setting up VOUT control\n"); + + return ret; +} + +static int gp2ap002_read_event_config(struct iio_dev *indio_dev, + const struct iio_chan_spec *chan, + enum iio_event_type type, + enum iio_event_direction dir) +{ + struct gp2ap002 *gp2ap002 = iio_priv(indio_dev); + + /* + * We just keep track of this internally, as it is not possible to + * query the hardware. + */ + return gp2ap002->enabled; +} + +static int gp2ap002_write_event_config(struct iio_dev *indio_dev, + const struct iio_chan_spec *chan, + enum iio_event_type type, + enum iio_event_direction dir, + int state) +{ + struct gp2ap002 *gp2ap002 = iio_priv(indio_dev); + + if (state) { + /* + * This will bring the regulators up (unless they are on + * already) and reintialize the sensor by using runtime_pm + * callbacks. + */ + pm_runtime_get_sync(gp2ap002->dev); + gp2ap002->enabled = true; + } else { + pm_runtime_mark_last_busy(gp2ap002->dev); + pm_runtime_put_autosuspend(gp2ap002->dev); + gp2ap002->enabled = false; + } + + return 0; +} + +static const struct iio_info gp2ap002_info = { + .read_raw = gp2ap002_read_raw, + .read_event_config = gp2ap002_read_event_config, + .write_event_config = gp2ap002_write_event_config, +}; + +static const struct iio_event_spec gp2ap002_events[] = { + { + .type = IIO_EV_TYPE_THRESH, + .dir = IIO_EV_DIR_EITHER, + .mask_separate = BIT(IIO_EV_INFO_ENABLE), + }, +}; + +static const struct iio_chan_spec gp2ap002_channels[] = { + { + .type = IIO_PROXIMITY, + .event_spec = gp2ap002_events, + .num_event_specs = ARRAY_SIZE(gp2ap002_events), + }, + { + .type = IIO_LIGHT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .channel = GP2AP002_ALS_CHANNEL, + }, +}; + +/* + * We need a special regmap because this hardware expects to + * write single bytes to registers but read a 16bit word on some + * variants and discard the lower 8 bits so combine + * i2c_smbus_read_word_data() with i2c_smbus_write_byte_data() + * selectively like this. + */ +static int gp2ap002_regmap_i2c_read(void *context, unsigned int reg, + unsigned int *val) +{ + struct device *dev = context; + struct i2c_client *i2c = to_i2c_client(dev); + int ret; + + ret = i2c_smbus_read_word_data(i2c, reg); + if (ret < 0) + return ret; + + *val = (ret >> 8) & 0xFF; + + return 0; +} + +static int gp2ap002_regmap_i2c_write(void *context, unsigned int reg, + unsigned int val) +{ + struct device *dev = context; + struct i2c_client *i2c = to_i2c_client(dev); + + return i2c_smbus_write_byte_data(i2c, reg, val); +} + +static struct regmap_bus gp2ap002_regmap_bus = { + .reg_read = gp2ap002_regmap_i2c_read, + .reg_write = gp2ap002_regmap_i2c_write, +}; + +static int gp2ap002_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct gp2ap002 *gp2ap002; + struct iio_dev *indio_dev; + struct device *dev = &client->dev; + enum iio_chan_type ch_type; + static const struct regmap_config config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = GP2AP002_CON, + }; + struct regmap *regmap; + int num_chan; + const char *compat; + u8 val; + int ret; + + indio_dev = devm_iio_device_alloc(dev, sizeof(*gp2ap002)); + if (!indio_dev) + return -ENOMEM; + i2c_set_clientdata(client, indio_dev); + + gp2ap002 = iio_priv(indio_dev); + gp2ap002->dev = dev; + + /* + * Check the device compatible like this makes it possible to use + * ACPI PRP0001 for registering the sensor using device tree + * properties. + */ + ret = device_property_read_string(dev, "compatible", &compat); + if (ret) { + dev_err(dev, "cannot check compatible\n"); + return ret; + } + gp2ap002->is_gp2ap002s00f = !strcmp(compat, "sharp,gp2ap002s00f"); + + regmap = devm_regmap_init(dev, &gp2ap002_regmap_bus, dev, &config); + if (IS_ERR(regmap)) { + dev_err(dev, "Failed to register i2c regmap %ld\n", PTR_ERR(regmap)); + return PTR_ERR(regmap); + } + gp2ap002->map = regmap; + + /* + * The hysteresis settings are coded into the device tree as values + * to be written into the hysteresis register. The datasheet defines + * modes "A", "B1" and "B2" with fixed values to be use but vendor + * code trees for actual devices are tweaking these values and refer to + * modes named things like "B1.5". To be able to support any devices, + * we allow passing an arbitrary hysteresis setting for "near" and + * "far". + */ + + /* Check the device tree for the IR LED hysteresis */ + ret = device_property_read_u8(dev, "sharp,proximity-far-hysteresis", + &val); + if (ret) { + dev_err(dev, "failed to obtain proximity far setting\n"); + return ret; + } + dev_dbg(dev, "proximity far setting %02x\n", val); + gp2ap002->hys_far = val; + + ret = device_property_read_u8(dev, "sharp,proximity-close-hysteresis", + &val); + if (ret) { + dev_err(dev, "failed to obtain proximity close setting\n"); + return ret; + } + dev_dbg(dev, "proximity close setting %02x\n", val); + gp2ap002->hys_close = val; + + /* The GP2AP002A00F has a light sensor too */ + if (!gp2ap002->is_gp2ap002s00f) { + gp2ap002->alsout = devm_iio_channel_get(dev, "alsout"); + if (IS_ERR(gp2ap002->alsout)) { + ret = PTR_ERR(gp2ap002->alsout); + ret = (ret == -ENODEV) ? -EPROBE_DEFER : ret; + return dev_err_probe(dev, ret, "failed to get ALSOUT ADC channel\n"); + } + ret = iio_get_channel_type(gp2ap002->alsout, &ch_type); + if (ret < 0) + return ret; + if (ch_type != IIO_CURRENT) { + dev_err(dev, + "wrong type of IIO channel specified for ALSOUT\n"); + return -EINVAL; + } + } + + gp2ap002->vdd = devm_regulator_get(dev, "vdd"); + if (IS_ERR(gp2ap002->vdd)) + return dev_err_probe(dev, PTR_ERR(gp2ap002->vdd), + "failed to get VDD regulator\n"); + + gp2ap002->vio = devm_regulator_get(dev, "vio"); + if (IS_ERR(gp2ap002->vio)) + return dev_err_probe(dev, PTR_ERR(gp2ap002->vio), + "failed to get VIO regulator\n"); + + /* Operating voltage 2.4V .. 3.6V according to datasheet */ + ret = regulator_set_voltage(gp2ap002->vdd, 2400000, 3600000); + if (ret) { + dev_err(dev, "failed to sett VDD voltage\n"); + return ret; + } + + /* VIO should be between 1.65V and VDD */ + ret = regulator_get_voltage(gp2ap002->vdd); + if (ret < 0) { + dev_err(dev, "failed to get VDD voltage\n"); + return ret; + } + ret = regulator_set_voltage(gp2ap002->vio, 1650000, ret); + if (ret) { + dev_err(dev, "failed to set VIO voltage\n"); + return ret; + } + + ret = regulator_enable(gp2ap002->vdd); + if (ret) { + dev_err(dev, "failed to enable VDD regulator\n"); + return ret; + } + ret = regulator_enable(gp2ap002->vio); + if (ret) { + dev_err(dev, "failed to enable VIO regulator\n"); + goto out_disable_vdd; + } + + msleep(20); + + /* + * Initialize the device and signal to runtime PM that now we are + * definitely up and using power. + */ + ret = gp2ap002_init(gp2ap002); + if (ret) { + dev_err(dev, "initialization failed\n"); + goto out_disable_vio; + } + pm_runtime_get_noresume(dev); + pm_runtime_set_active(dev); + pm_runtime_enable(dev); + gp2ap002->enabled = false; + + ret = devm_request_threaded_irq(dev, client->irq, NULL, + gp2ap002_prox_irq, IRQF_ONESHOT, + "gp2ap002", indio_dev); + if (ret) { + dev_err(dev, "unable to request IRQ\n"); + goto out_put_pm; + } + gp2ap002->irq = client->irq; + + /* + * As the device takes 20 ms + regulator delay to come up with a fresh + * measurement after power-on, do not shut it down unnecessarily. + * Set autosuspend to a one second. + */ + pm_runtime_set_autosuspend_delay(dev, 1000); + pm_runtime_use_autosuspend(dev); + pm_runtime_put(dev); + + indio_dev->info = &gp2ap002_info; + indio_dev->name = "gp2ap002"; + indio_dev->channels = gp2ap002_channels; + /* Skip light channel for the proximity-only sensor */ + num_chan = ARRAY_SIZE(gp2ap002_channels); + if (gp2ap002->is_gp2ap002s00f) + num_chan--; + indio_dev->num_channels = num_chan; + indio_dev->modes = INDIO_DIRECT_MODE; + + ret = iio_device_register(indio_dev); + if (ret) + goto out_disable_pm; + dev_dbg(dev, "Sharp GP2AP002 probed successfully\n"); + + return 0; + +out_put_pm: + pm_runtime_put_noidle(dev); +out_disable_pm: + pm_runtime_disable(dev); +out_disable_vio: + regulator_disable(gp2ap002->vio); +out_disable_vdd: + regulator_disable(gp2ap002->vdd); + return ret; +} + +static void gp2ap002_remove(struct i2c_client *client) +{ + struct iio_dev *indio_dev = i2c_get_clientdata(client); + struct gp2ap002 *gp2ap002 = iio_priv(indio_dev); + struct device *dev = &client->dev; + + pm_runtime_get_sync(dev); + pm_runtime_put_noidle(dev); + pm_runtime_disable(dev); + iio_device_unregister(indio_dev); + regulator_disable(gp2ap002->vio); + regulator_disable(gp2ap002->vdd); +} + +static int gp2ap002_runtime_suspend(struct device *dev) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct gp2ap002 *gp2ap002 = iio_priv(indio_dev); + int ret; + + /* Deactivate the IRQ */ + disable_irq(gp2ap002->irq); + + /* Disable chip and IRQ, everything off */ + ret = regmap_write(gp2ap002->map, GP2AP002_OPMOD, 0x00); + if (ret) { + dev_err(gp2ap002->dev, "error setting up operation mode\n"); + return ret; + } + /* + * As these regulators may be shared, at least we are now in + * sleep even if the regulators aren't really turned off. + */ + regulator_disable(gp2ap002->vio); + regulator_disable(gp2ap002->vdd); + + return 0; +} + +static int gp2ap002_runtime_resume(struct device *dev) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct gp2ap002 *gp2ap002 = iio_priv(indio_dev); + int ret; + + ret = regulator_enable(gp2ap002->vdd); + if (ret) { + dev_err(dev, "failed to enable VDD regulator in resume path\n"); + return ret; + } + ret = regulator_enable(gp2ap002->vio); + if (ret) { + dev_err(dev, "failed to enable VIO regulator in resume path\n"); + return ret; + } + + msleep(20); + + ret = gp2ap002_init(gp2ap002); + if (ret) { + dev_err(dev, "re-initialization failed\n"); + return ret; + } + + /* Re-activate the IRQ */ + enable_irq(gp2ap002->irq); + + return 0; +} + +static DEFINE_RUNTIME_DEV_PM_OPS(gp2ap002_dev_pm_ops, gp2ap002_runtime_suspend, + gp2ap002_runtime_resume, NULL); + +static const struct i2c_device_id gp2ap002_id_table[] = { + { "gp2ap002", 0 }, + { }, +}; +MODULE_DEVICE_TABLE(i2c, gp2ap002_id_table); + +static const struct of_device_id gp2ap002_of_match[] = { + { .compatible = "sharp,gp2ap002a00f" }, + { .compatible = "sharp,gp2ap002s00f" }, + { }, +}; +MODULE_DEVICE_TABLE(of, gp2ap002_of_match); + +static struct i2c_driver gp2ap002_driver = { + .driver = { + .name = "gp2ap002", + .of_match_table = gp2ap002_of_match, + .pm = pm_ptr(&gp2ap002_dev_pm_ops), + }, + .probe = gp2ap002_probe, + .remove = gp2ap002_remove, + .id_table = gp2ap002_id_table, +}; +module_i2c_driver(gp2ap002_driver); + +MODULE_AUTHOR("Linus Walleij "); +MODULE_DESCRIPTION("GP2AP002 ambient light and proximity sensor driver"); +MODULE_LICENSE("GPL v2"); -- cgit v1.2.3