Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Support for Vishay VCNL3020 proximity sensor on i2c bus.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Based on Vishay VCNL4000 driver code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * TODO: interrupts.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/iio/iio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/iio/sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #define VCNL3020_PROD_ID	0x21
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #define VCNL_COMMAND		0x80 /* Command register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #define VCNL_PROD_REV		0x81 /* Product ID and Revision ID */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #define VCNL_PROXIMITY_RATE	0x82 /* Rate of Proximity Measurement */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #define VCNL_LED_CURRENT	0x83 /* IR LED current for proximity mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #define VCNL_PS_RESULT_HI	0x87 /* Proximity result register, MSB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #define VCNL_PS_RESULT_LO	0x88 /* Proximity result register, LSB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #define VCNL_PS_ICR		0x89 /* Interrupt Control Register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #define VCNL_PS_LO_THR_HI	0x8a /* High byte of low threshold value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #define VCNL_PS_LO_THR_LO	0x8b /* Low byte of low threshold value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #define VCNL_PS_HI_THR_HI	0x8c /* High byte of high threshold value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #define VCNL_PS_HI_THR_LO	0x8d /* Low byte of high threshold value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #define VCNL_ISR		0x8e /* Interrupt Status Register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #define VCNL_PS_MOD_ADJ		0x8f /* Proximity Modulator Timing Adjustment */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) /* Bit masks for COMMAND register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) #define VCNL_PS_RDY		BIT(5) /* proximity data ready? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) #define VCNL_PS_OD		BIT(3) /* start on-demand proximity
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 					* measurement
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 					*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) #define VCNL_ON_DEMAND_TIMEOUT_US	100000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) #define VCNL_POLL_US			20000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44)  * struct vcnl3020_data - vcnl3020 specific data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45)  * @regmap:	device register map.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46)  * @dev:	vcnl3020 device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47)  * @rev:	revision id.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48)  * @lock:	lock for protecting access to device hardware registers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) struct vcnl3020_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	struct regmap *regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	u8 rev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	struct mutex lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58)  * struct vcnl3020_property - vcnl3020 property.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59)  * @name:	property name.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60)  * @reg:	i2c register offset.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61)  * @conversion_func:	conversion function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) struct vcnl3020_property {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	u32 reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	u32 (*conversion_func)(u32 *val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) static u32 microamp_to_reg(u32 *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	 * An example of conversion from uA to reg val:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	 * 200000 uA == 200 mA == 20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	return *val /= 10000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) static struct vcnl3020_property vcnl3020_led_current_property = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	.name = "vishay,led-current-microamp",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	.reg = VCNL_LED_CURRENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	.conversion_func = microamp_to_reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) static int vcnl3020_get_and_apply_property(struct vcnl3020_data *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 					   struct vcnl3020_property prop)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	rc = device_property_read_u32(data->dev, prop.name, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	if (prop.conversion_func)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 		prop.conversion_func(&val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	rc = regmap_write(data->regmap, prop.reg, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 		dev_err(data->dev, "Error (%d) setting property (%s)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 			rc, prop.name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) static int vcnl3020_init(struct vcnl3020_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	unsigned int reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	rc = regmap_read(data->regmap, VCNL_PROD_REV, &reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		dev_err(data->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 			"Error (%d) reading product revision\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	if (reg != VCNL3020_PROD_ID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 		dev_err(data->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 			"Product id (%x) did not match vcnl3020 (%x)\n", reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 			VCNL3020_PROD_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	data->rev = reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	mutex_init(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	return vcnl3020_get_and_apply_property(data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 					       vcnl3020_led_current_property);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) static int vcnl3020_measure_proximity(struct vcnl3020_data *data, int *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	unsigned int reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	__be16 res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	mutex_lock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	rc = regmap_write(data->regmap, VCNL_COMMAND, VCNL_PS_OD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 		goto err_unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	/* wait for data to become ready */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	rc = regmap_read_poll_timeout(data->regmap, VCNL_COMMAND, reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 				      reg & VCNL_PS_RDY, VCNL_POLL_US,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 				      VCNL_ON_DEMAND_TIMEOUT_US);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 		dev_err(data->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 			"Error (%d) reading vcnl3020 command register\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		goto err_unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	/* high & low result bytes read */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	rc = regmap_bulk_read(data->regmap, VCNL_PS_RESULT_HI, &res,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 			      sizeof(res));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		goto err_unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	*val = be16_to_cpu(res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) err_unlock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	mutex_unlock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) static const struct iio_chan_spec vcnl3020_channels[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 		.type = IIO_PROXIMITY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) static int vcnl3020_read_raw(struct iio_dev *indio_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 			     struct iio_chan_spec const *chan, int *val,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 			     int *val2, long mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	struct vcnl3020_data *data = iio_priv(indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	switch (mask) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	case IIO_CHAN_INFO_RAW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		rc = vcnl3020_measure_proximity(data, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 		if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 			return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 		return IIO_VAL_INT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) static const struct iio_info vcnl3020_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	.read_raw = vcnl3020_read_raw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) static const struct regmap_config vcnl3020_regmap_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	.reg_bits	= 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	.val_bits	= 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	.max_register	= VCNL_PS_MOD_ADJ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) static int vcnl3020_probe(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	struct vcnl3020_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	struct iio_dev *indio_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	struct regmap *regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	regmap = devm_regmap_init_i2c(client, &vcnl3020_regmap_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	if (IS_ERR(regmap)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 		dev_err(&client->dev, "regmap_init failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 		return PTR_ERR(regmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	if (!indio_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	data = iio_priv(indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	i2c_set_clientdata(client, indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	data->regmap = regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	data->dev = &client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	rc = vcnl3020_init(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	indio_dev->info = &vcnl3020_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	indio_dev->channels = vcnl3020_channels;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	indio_dev->num_channels = ARRAY_SIZE(vcnl3020_channels);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	indio_dev->name = "vcnl3020";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	indio_dev->modes = INDIO_DIRECT_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	return devm_iio_device_register(&client->dev, indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) static const struct of_device_id vcnl3020_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 		.compatible = "vishay,vcnl3020",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	{}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) MODULE_DEVICE_TABLE(of, vcnl3020_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) static struct i2c_driver vcnl3020_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 		.name   = "vcnl3020",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 		.of_match_table = vcnl3020_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	.probe_new  = vcnl3020_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) module_i2c_driver(vcnl3020_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) MODULE_AUTHOR("Ivan Mikhaylov <i.mikhaylov@yadro.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) MODULE_DESCRIPTION("Vishay VCNL3020 proximity sensor driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) MODULE_LICENSE("GPL");