diff options
| -rw-r--r-- | drivers/iio/light/veml6030.c | 108 |
1 files changed, 91 insertions, 17 deletions
diff --git a/drivers/iio/light/veml6030.c b/drivers/iio/light/veml6030.c index ca0379945b1c..173c85a05a8d 100644 --- a/drivers/iio/light/veml6030.c +++ b/drivers/iio/light/veml6030.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0+ /* - * VEML6030 and VMEL6035 Ambient Light Sensors + * VEML6030, VMEL6035 and VEML7700 Ambient Light Sensors * * Copyright (c) 2019, Rishi Gupta <gupt21@gmail.com> * @@ -11,6 +11,10 @@ * VEML6035: * Datasheet: https://www.vishay.com/docs/84889/veml6035.pdf * Appnote-84944: https://www.vishay.com/docs/84944/designingveml6035.pdf + * + * VEML7700: + * Datasheet: https://www.vishay.com/docs/84286/veml7700.pdf + * Appnote-84323: https://www.vishay.com/docs/84323/designingveml7700.pdf */ #include <linux/bitfield.h> @@ -56,7 +60,10 @@ struct veml603x_chip { const char *name; const int(*scale_vals)[][2]; const int num_scale_vals; + const struct iio_chan_spec *channels; + const int num_channels; int (*hw_init)(struct iio_dev *indio_dev, struct device *dev); + int (*set_info)(struct iio_dev *indio_dev); int (*set_als_gain)(struct iio_dev *indio_dev, int val, int val2); int (*get_als_gain)(struct iio_dev *indio_dev, int *val, int *val2); }; @@ -250,6 +257,30 @@ static const struct iio_chan_spec veml6030_channels[] = { }, }; +static const struct iio_chan_spec veml7700_channels[] = { + { + .type = IIO_LIGHT, + .channel = CH_ALS, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_PROCESSED) | + BIT(IIO_CHAN_INFO_INT_TIME) | + BIT(IIO_CHAN_INFO_SCALE), + .info_mask_shared_by_all_available = BIT(IIO_CHAN_INFO_INT_TIME) | + BIT(IIO_CHAN_INFO_SCALE), + }, + { + .type = IIO_INTENSITY, + .channel = CH_WHITE, + .modified = 1, + .channel2 = IIO_MOD_LIGHT_BOTH, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_INT_TIME) | + BIT(IIO_CHAN_INFO_SCALE), + .info_mask_shared_by_all_available = BIT(IIO_CHAN_INFO_INT_TIME) | + BIT(IIO_CHAN_INFO_SCALE), + }, +}; + static const struct regmap_config veml6030_regmap_config = { .name = "veml6030_regmap", .reg_bits = 8, @@ -862,6 +893,37 @@ static irqreturn_t veml6030_event_handler(int irq, void *private) return IRQ_HANDLED; } +static int veml6030_set_info(struct iio_dev *indio_dev) +{ + struct veml6030_data *data = iio_priv(indio_dev); + struct i2c_client *client = data->client; + int ret; + + if (client->irq) { + ret = devm_request_threaded_irq(&client->dev, client->irq, + NULL, veml6030_event_handler, + IRQF_TRIGGER_LOW | IRQF_ONESHOT, + indio_dev->name, indio_dev); + if (ret < 0) + return dev_err_probe(&client->dev, ret, + "irq %d request failed\n", + client->irq); + + indio_dev->info = &veml6030_info; + } else { + indio_dev->info = &veml6030_info_no_irq; + } + + return 0; +} + +static int veml7700_set_info(struct iio_dev *indio_dev) +{ + indio_dev->info = &veml6030_info_no_irq; + + return 0; +} + /* * Set ALS gain to 1/8, integration time to 100 ms, PSM to mode 2, * persistence to 1 x integration time and the threshold @@ -1007,24 +1069,13 @@ static int veml6030_probe(struct i2c_client *client) return -EINVAL; indio_dev->name = data->chip->name; - indio_dev->channels = veml6030_channels; - indio_dev->num_channels = ARRAY_SIZE(veml6030_channels); + indio_dev->channels = data->chip->channels; + indio_dev->num_channels = data->chip->num_channels; indio_dev->modes = INDIO_DIRECT_MODE; - if (client->irq) { - ret = devm_request_threaded_irq(&client->dev, client->irq, - NULL, veml6030_event_handler, - IRQF_TRIGGER_LOW | IRQF_ONESHOT, - indio_dev->name, indio_dev); - if (ret < 0) - return dev_err_probe(&client->dev, ret, - "irq %d request failed\n", - client->irq); - - indio_dev->info = &veml6030_info; - } else { - indio_dev->info = &veml6030_info_no_irq; - } + ret = data->chip->set_info(indio_dev); + if (ret < 0) + return ret; ret = data->chip->hw_init(indio_dev, &client->dev); if (ret < 0) @@ -1066,7 +1117,10 @@ static const struct veml603x_chip veml6030_chip = { .name = "veml6030", .scale_vals = &veml6030_scale_vals, .num_scale_vals = ARRAY_SIZE(veml6030_scale_vals), + .channels = veml6030_channels, + .num_channels = ARRAY_SIZE(veml6030_channels), .hw_init = veml6030_hw_init, + .set_info = veml6030_set_info, .set_als_gain = veml6030_set_als_gain, .get_als_gain = veml6030_get_als_gain, }; @@ -1075,11 +1129,26 @@ static const struct veml603x_chip veml6035_chip = { .name = "veml6035", .scale_vals = &veml6035_scale_vals, .num_scale_vals = ARRAY_SIZE(veml6035_scale_vals), + .channels = veml6030_channels, + .num_channels = ARRAY_SIZE(veml6030_channels), .hw_init = veml6035_hw_init, + .set_info = veml6030_set_info, .set_als_gain = veml6035_set_als_gain, .get_als_gain = veml6035_get_als_gain, }; +static const struct veml603x_chip veml7700_chip = { + .name = "veml7700", + .scale_vals = &veml6030_scale_vals, + .num_scale_vals = ARRAY_SIZE(veml6030_scale_vals), + .channels = veml7700_channels, + .num_channels = ARRAY_SIZE(veml7700_channels), + .hw_init = veml6030_hw_init, + .set_info = veml7700_set_info, + .set_als_gain = veml6030_set_als_gain, + .get_als_gain = veml6030_get_als_gain, +}; + static const struct of_device_id veml6030_of_match[] = { { .compatible = "vishay,veml6030", @@ -1089,6 +1158,10 @@ static const struct of_device_id veml6030_of_match[] = { .compatible = "vishay,veml6035", .data = &veml6035_chip, }, + { + .compatible = "vishay,veml7700", + .data = &veml7700_chip, + }, { } }; MODULE_DEVICE_TABLE(of, veml6030_of_match); @@ -1096,6 +1169,7 @@ MODULE_DEVICE_TABLE(of, veml6030_of_match); static const struct i2c_device_id veml6030_id[] = { { "veml6030", (kernel_ulong_t)&veml6030_chip}, { "veml6035", (kernel_ulong_t)&veml6035_chip}, + { "veml7700", (kernel_ulong_t)&veml7700_chip}, { } }; MODULE_DEVICE_TABLE(i2c, veml6030_id); |