^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Support for ST VL53L0X FlightSense ToF Ranging Sensor on a i2c bus.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2016 STMicroelectronics Imaging Division.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2018 Song Qiang <songqiang1304521@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (C) 2020 Ivan Drobyshevskyi <drobyshevskyi@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Datasheet available at
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * <https://www.st.com/resource/en/datasheet/vl53l0x.pdf>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * Default 7-bit i2c slave address 0x29.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * TODO: FIFO buffer, continuous mode, range selection, sensor ID check.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/iio/iio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define VL_REG_SYSRANGE_START 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define VL_REG_SYSRANGE_MODE_MASK GENMASK(3, 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define VL_REG_SYSRANGE_MODE_SINGLESHOT 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define VL_REG_SYSRANGE_MODE_START_STOP BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define VL_REG_SYSRANGE_MODE_BACKTOBACK BIT(1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define VL_REG_SYSRANGE_MODE_TIMED BIT(2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define VL_REG_SYSRANGE_MODE_HISTOGRAM BIT(3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define VL_REG_SYSTEM_INTERRUPT_CONFIG_GPIO 0x0A
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define VL_REG_SYSTEM_INTERRUPT_GPIO_NEW_SAMPLE_READY BIT(2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define VL_REG_SYSTEM_INTERRUPT_CLEAR 0x0B
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define VL_REG_RESULT_INT_STATUS 0x13
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define VL_REG_RESULT_RANGE_STATUS 0x14
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define VL_REG_RESULT_RANGE_STATUS_COMPLETE BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct vl53l0x_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct i2c_client *client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct completion completion;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static irqreturn_t vl53l0x_handle_irq(int irq, void *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct iio_dev *indio_dev = priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct vl53l0x_data *data = iio_priv(indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) complete(&data->completion);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) return IRQ_HANDLED;
^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) static int vl53l0x_configure_irq(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) struct iio_dev *indio_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct vl53l0x_data *data = iio_priv(indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) ret = devm_request_irq(&client->dev, client->irq, vl53l0x_handle_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) IRQF_TRIGGER_FALLING, indio_dev->name, indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) dev_err(&client->dev, "devm_request_irq error: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) ret = i2c_smbus_write_byte_data(data->client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) VL_REG_SYSTEM_INTERRUPT_CONFIG_GPIO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) VL_REG_SYSTEM_INTERRUPT_GPIO_NEW_SAMPLE_READY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) dev_err(&client->dev, "failed to configure IRQ: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) static void vl53l0x_clear_irq(struct vl53l0x_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) struct device *dev = &data->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) ret = i2c_smbus_write_byte_data(data->client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) VL_REG_SYSTEM_INTERRUPT_CLEAR, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) dev_err(dev, "failed to clear error irq: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) ret = i2c_smbus_write_byte_data(data->client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) VL_REG_SYSTEM_INTERRUPT_CLEAR, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) dev_err(dev, "failed to clear range irq: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) ret = i2c_smbus_read_byte_data(data->client, VL_REG_RESULT_INT_STATUS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) if (ret < 0 || ret & 0x07)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) dev_err(dev, "failed to clear irq: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) static int vl53l0x_read_proximity(struct vl53l0x_data *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) const struct iio_chan_spec *chan,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) int *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) u16 tries = 20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) u8 buffer[12];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) ret = i2c_smbus_write_byte_data(client, VL_REG_SYSRANGE_START, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) if (data->client->irq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) reinit_completion(&data->completion);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) ret = wait_for_completion_timeout(&data->completion, HZ/10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) else if (ret == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) return -ETIMEDOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) vl53l0x_clear_irq(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) ret = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) VL_REG_RESULT_RANGE_STATUS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) if (ret & VL_REG_RESULT_RANGE_STATUS_COMPLETE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) usleep_range(1000, 5000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) } while (--tries);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) if (!tries)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) return -ETIMEDOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) ret = i2c_smbus_read_i2c_block_data(client, VL_REG_RESULT_RANGE_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 12, buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) else if (ret != 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) return -EREMOTEIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) /* Values should be between 30~1200 in millimeters. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) *val = (buffer[10] << 8) + buffer[11];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) static const struct iio_chan_spec vl53l0x_channels[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) .type = IIO_DISTANCE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) BIT(IIO_CHAN_INFO_SCALE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) static int vl53l0x_read_raw(struct iio_dev *indio_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) const struct iio_chan_spec *chan,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) int *val, int *val2, long mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) struct vl53l0x_data *data = iio_priv(indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) if (chan->type != IIO_DISTANCE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) switch (mask) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) case IIO_CHAN_INFO_RAW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) ret = vl53l0x_read_proximity(data, chan, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) return IIO_VAL_INT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) case IIO_CHAN_INFO_SCALE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) *val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) *val2 = 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) return IIO_VAL_INT_PLUS_MICRO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) static const struct iio_info vl53l0x_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) .read_raw = vl53l0x_read_raw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) static int vl53l0x_probe(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) struct vl53l0x_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) struct iio_dev *indio_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) if (!indio_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) data = iio_priv(indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) data->client = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) i2c_set_clientdata(client, indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) if (!i2c_check_functionality(client->adapter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) I2C_FUNC_SMBUS_READ_I2C_BLOCK |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) I2C_FUNC_SMBUS_BYTE_DATA))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) indio_dev->name = "vl53l0x";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) indio_dev->info = &vl53l0x_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) indio_dev->channels = vl53l0x_channels;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) indio_dev->num_channels = ARRAY_SIZE(vl53l0x_channels);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) indio_dev->modes = INDIO_DIRECT_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) /* usage of interrupt is optional */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) if (client->irq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) init_completion(&data->completion);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) ret = vl53l0x_configure_irq(client, indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) return devm_iio_device_register(&client->dev, indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) static const struct of_device_id st_vl53l0x_dt_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) { .compatible = "st,vl53l0x", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) MODULE_DEVICE_TABLE(of, st_vl53l0x_dt_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) static struct i2c_driver vl53l0x_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) .name = "vl53l0x-i2c",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) .of_match_table = st_vl53l0x_dt_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) .probe_new = vl53l0x_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) module_i2c_driver(vl53l0x_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) MODULE_AUTHOR("Song Qiang <songqiang1304521@gmail.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) MODULE_DESCRIPTION("ST vl53l0x ToF ranging sensor driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) MODULE_LICENSE("GPL v2");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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