* [PATCH v2 0/2] iio: proximity: driver for vcnl3020
@ 2020-03-25 15:12 Ivan Mikhaylov
2020-03-25 15:12 ` [PATCH v2 1/2] iio: proximity: provide device tree binding document Ivan Mikhaylov
` (3 more replies)
0 siblings, 4 replies; 7+ messages in thread
From: Ivan Mikhaylov @ 2020-03-25 15:12 UTC (permalink / raw)
Cc: Ivan Mikhaylov, Jonathan Cameron, Hartmut Knaack,
Lars-Peter Clausen, Peter Meerwald-Stadler, linux-iio,
linux-kernel, devicetree, Mark Rutland, Rob Herring
Add proximity sensor driver for Vishay vcnl3020. Only on-demand
measurement is supported for now.
Ivan Mikhaylov (2):
iio: proximity: provide device tree binding document
iio: proximity: Add driver support for vcnl3020 proximity sensor
.../bindings/iio/proximity/vcnl3020.yaml | 47 ++++
drivers/iio/proximity/Kconfig | 10 +
drivers/iio/proximity/Makefile | 1 +
drivers/iio/proximity/vcnl3020.c | 242 ++++++++++++++++++
4 files changed, 300 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/proximity/vcnl3020.yaml
create mode 100644 drivers/iio/proximity/vcnl3020.c
--
2.21.1
^ permalink raw reply [flat|nested] 7+ messages in thread* [PATCH v2 1/2] iio: proximity: provide device tree binding document 2020-03-25 15:12 [PATCH v2 0/2] iio: proximity: driver for vcnl3020 Ivan Mikhaylov @ 2020-03-25 15:12 ` Ivan Mikhaylov 2020-03-26 16:54 ` Rob Herring 2020-03-25 15:12 ` [PATCH v2 2/2] iio: proximity: Add driver support for vcnl3020 proximity sensor Ivan Mikhaylov ` (2 subsequent siblings) 3 siblings, 1 reply; 7+ messages in thread From: Ivan Mikhaylov @ 2020-03-25 15:12 UTC (permalink / raw) Cc: Ivan Mikhaylov, Jonathan Cameron, Hartmut Knaack, Lars-Peter Clausen, Peter Meerwald-Stadler, linux-iio, linux-kernel, devicetree, Mark Rutland, Rob Herring Mostly standard i2c driver with some additional led-current option for vcnl3020. Signed-off-by: Ivan Mikhaylov <i.mikhaylov@yadro.com> --- .../bindings/iio/proximity/vcnl3020.yaml | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/proximity/vcnl3020.yaml diff --git a/Documentation/devicetree/bindings/iio/proximity/vcnl3020.yaml b/Documentation/devicetree/bindings/iio/proximity/vcnl3020.yaml new file mode 100644 index 000000000000..76c29514c663 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/proximity/vcnl3020.yaml @@ -0,0 +1,47 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/proximity/vcnl3020.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Integrated Proximity Sensor With Infrared Emitter + +maintainers: + - Ivan Mikhaylov <i.mikhaylov@yadro.com> + +description: | + The VCNL3020 is a fully integrated proximity sensor. Fully integrated means + that the infrared emitter is included in the package. It has 16-bit + resolution. It includes a signal processing IC and features standard I2C + communication interface. It features an interrupt function. + + Specifications about the devices can be found at: + https://www.vishay.com/docs/84150/vcnl3020.pdf + +properties: + compatible: + enum: + - vishay,vcnl3020 + + reg: + maxItems: 1 + + led-current: + description: + IR LED current value with valid Range = 0 to 20d. e.g. 0 = 0 mA, + 1 = 10 mA, 20 = 200 mA (2 = 20 mA = DEFAULT). LED Current is + limited to 200 mA for values higher than decimal 20. + +required: + - compatible + - reg + - led-current + +examples: + - | + iio-proximity@13 { + compatible = "vishay,vcnl3020"; + reg = <0x13>; + + led-current = <0x14>; + }; -- 2.21.1 ^ permalink raw reply related [flat|nested] 7+ messages in thread
* Re: [PATCH v2 1/2] iio: proximity: provide device tree binding document 2020-03-25 15:12 ` [PATCH v2 1/2] iio: proximity: provide device tree binding document Ivan Mikhaylov @ 2020-03-26 16:54 ` Rob Herring 0 siblings, 0 replies; 7+ messages in thread From: Rob Herring @ 2020-03-26 16:54 UTC (permalink / raw) To: Ivan Mikhaylov Cc: Ivan Mikhaylov, Jonathan Cameron, Hartmut Knaack, Lars-Peter Clausen, Peter Meerwald-Stadler, linux-iio, linux-kernel, devicetree, Mark Rutland, Rob Herring On Wed, 25 Mar 2020 18:12:10 +0300, Ivan Mikhaylov wrote: > Mostly standard i2c driver with some additional led-current option > for vcnl3020. > > Signed-off-by: Ivan Mikhaylov <i.mikhaylov@yadro.com> > --- > .../bindings/iio/proximity/vcnl3020.yaml | 47 +++++++++++++++++++ > 1 file changed, 47 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/proximity/vcnl3020.yaml > My bot found errors running 'make dt_binding_check' on your patch: Documentation/devicetree/bindings/iio/proximity/vcnl3020.example.dts:19.12-25: Warning (reg_format): /example-0/iio-proximity@13:reg: property has invalid length (4 bytes) (#address-cells == 1, #size-cells == 1) Documentation/devicetree/bindings/iio/proximity/vcnl3020.example.dt.yaml: Warning (pci_device_bus_num): Failed prerequisite 'reg_format' Documentation/devicetree/bindings/iio/proximity/vcnl3020.example.dt.yaml: Warning (i2c_bus_reg): Failed prerequisite 'reg_format' Documentation/devicetree/bindings/iio/proximity/vcnl3020.example.dt.yaml: Warning (spi_bus_reg): Failed prerequisite 'reg_format' See https://patchwork.ozlabs.org/patch/1261460 If you already ran 'make dt_binding_check' and didn't see the above error(s), then make sure dt-schema is up to date: pip3 install git+https://github.com/devicetree-org/dt-schema.git@master --upgrade Please check and re-submit. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [PATCH v2 2/2] iio: proximity: Add driver support for vcnl3020 proximity sensor 2020-03-25 15:12 [PATCH v2 0/2] iio: proximity: driver for vcnl3020 Ivan Mikhaylov 2020-03-25 15:12 ` [PATCH v2 1/2] iio: proximity: provide device tree binding document Ivan Mikhaylov @ 2020-03-25 15:12 ` Ivan Mikhaylov 2020-03-25 15:53 ` Andy Shevchenko 2020-03-25 15:47 ` [PATCH v2 0/2] iio: proximity: driver for vcnl3020 Andy Shevchenko 2020-03-26 13:06 ` Ivan Mikhaylov 3 siblings, 1 reply; 7+ messages in thread From: Ivan Mikhaylov @ 2020-03-25 15:12 UTC (permalink / raw) Cc: Ivan Mikhaylov, Jonathan Cameron, Hartmut Knaack, Lars-Peter Clausen, Peter Meerwald-Stadler, linux-iio, linux-kernel, devicetree, Mark Rutland, Rob Herring Proximity sensor driver based on light/vcnl4000.c code. For now supports only the single on-demand measurement. The VCNL3020 is a fully integrated proximity sensor. Fully integrated means that the infrared emitter is included in the package. It has 16-bit resolution. It includes a signal processing IC and features standard I2C communication interface. It features an interrupt function. Datasheet: http://www.vishay.com/docs/84150/vcnl3020.pdf Signed-off-by: Ivan Mikhaylov <i.mikhaylov@yadro.com> --- drivers/iio/proximity/Kconfig | 10 ++ drivers/iio/proximity/Makefile | 1 + drivers/iio/proximity/vcnl3020.c | 242 +++++++++++++++++++++++++++++++ 3 files changed, 253 insertions(+) create mode 100644 drivers/iio/proximity/vcnl3020.c diff --git a/drivers/iio/proximity/Kconfig b/drivers/iio/proximity/Kconfig index d53601447da4..e781f7f4639b 100644 --- a/drivers/iio/proximity/Kconfig +++ b/drivers/iio/proximity/Kconfig @@ -112,6 +112,16 @@ config SRF08 To compile this driver as a module, choose M here: the module will be called srf08. +config VCNL3020 + tristate "VCNL3020 proximity sensor" + depends on I2C + help + Say Y here if you want to build a driver for the Vishay VCNL3020 + proximity sensor. + + To compile this driver as a module, choose M here: the + module will be called vcnl3020. + config VL53L0X_I2C tristate "STMicroelectronics VL53L0X ToF ranger sensor (I2C)" depends on I2C diff --git a/drivers/iio/proximity/Makefile b/drivers/iio/proximity/Makefile index 0bb5f9de13d6..8245978ced30 100644 --- a/drivers/iio/proximity/Makefile +++ b/drivers/iio/proximity/Makefile @@ -12,5 +12,6 @@ obj-$(CONFIG_RFD77402) += rfd77402.o obj-$(CONFIG_SRF04) += srf04.o obj-$(CONFIG_SRF08) += srf08.o obj-$(CONFIG_SX9500) += sx9500.o +obj-$(CONFIG_VCNL3020) += vcnl3020.o obj-$(CONFIG_VL53L0X_I2C) += vl53l0x-i2c.o diff --git a/drivers/iio/proximity/vcnl3020.c b/drivers/iio/proximity/vcnl3020.c new file mode 100644 index 000000000000..9da77cc10ab7 --- /dev/null +++ b/drivers/iio/proximity/vcnl3020.c @@ -0,0 +1,242 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Support for Vishay VCNL3020 proximity sensor on i2c bus. + * Based on Vishay VCNL4000 driver code. + * + * TODO: interrupts. + */ + +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/err.h> +#include <linux/delay.h> +#include <linux/regmap.h> + +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> + +#define VCNL_DRV_NAME "vcnl3020" +#define VCNL_REGMAP_NAME "vcnl3020_regmap" +#define VCNL3020_PROD_ID 0x21 + +#define VCNL_COMMAND 0x80 /* Command register */ +#define VCNL_PROD_REV 0x81 /* Product ID and Revision ID */ +#define VCNL_PROXIMITY_RATE 0x82 /* Rate of Proximity Measurement */ +#define VCNL_LED_CURRENT 0x83 /* IR LED current for proximity mode */ +#define VCNL_PS_RESULT_HI 0x87 /* Proximity result register, MSB */ +#define VCNL_PS_RESULT_LO 0x88 /* Proximity result register, LSB */ +#define VCNL_PS_ICR 0x89 /* Interrupt Control Register */ + +#define VCNL_PS_LO_THR_HI 0x8a /* High byte of low threshold value */ +#define VCNL_PS_LO_THR_LO 0x8b /* Low byte of low threshold value */ +#define VCNL_PS_HI_THR_HI 0x8c /* High byte of high threshold value */ +#define VCNL_PS_HI_THR_LO 0x8d /* Low byte of high threshold value */ +#define VCNL_ISR 0x8e /* Interrupt Status Register */ +#define VCNL_PS_MOD_ADJ 0x8f /* Proximity Modulator Timing Adjustment */ + +/* Bit masks for COMMAND register */ +#define VCNL_PS_RDY BIT(5) /* proximity data ready? */ +#define VCNL_PS_OD BIT(3) /* start on-demand proximity + * measurement + */ + +struct vcnl3020_data { + struct regmap *regmap; + struct i2c_client *client; + u8 rev; + struct mutex lock; +}; + +static int vcnl3020_init(struct vcnl3020_data *data) +{ + int rc; + unsigned int reg; + u32 led_current; + + rc = device_property_read_u32(&data->client->dev, "led-current", + &led_current); + if (rc) { + dev_err(&data->client->dev, "Couldn't get led current (%d)", + rc); + return rc; + } + + rc = regmap_read(data->regmap, VCNL_PROD_REV, ®); + if (rc < 0) { + dev_err(&data->client->dev, + "Error (%d) reading product revision", rc); + return rc; + } + + if (reg == VCNL3020_PROD_ID) { + data->rev = reg; + mutex_init(&data->lock); + } else { + dev_err(&data->client->dev, + "Product id (%x) did not match vcnl3020 (%x)", reg, + VCNL3020_PROD_ID); + return -ENODEV; + } + + /* set led current */ + rc = regmap_write(data->regmap, VCNL_LED_CURRENT, led_current); + if (rc < 0) { + dev_err(&data->client->dev, "Error (%d) setting LED current", + rc); + return rc; + } + + return 0; +}; + +static int vcnl3020_measure_proximity(struct vcnl3020_data *data, int *val) +{ + u8 tries = 20; + int rc; + unsigned int reg; + + mutex_lock(&data->lock); + + rc = regmap_write(data->regmap, VCNL_COMMAND, VCNL_PS_OD); + if (rc < 0) + goto err_unlock; + + /* wait for data to become ready */ + do { + rc = regmap_read(data->regmap, VCNL_COMMAND, ®); + if (rc < 0) + goto err_unlock; + if (reg & VCNL_PS_RDY) + break; + msleep(20); /* measurement takes up to 100 ms */ + } while (--tries); + + if (tries < 0) { + dev_err(&data->client->dev, + "vcnl3020_measure() failed, data is not ready"); + rc = -EIO; + goto err_unlock; + } + + rc = regmap_read(data->regmap, VCNL_PS_RESULT_HI, ®); + if (rc < 0) + goto err_unlock; + *val = reg << 8; + dev_dbg(&data->client->dev, "result high byte 0x%x", rc); + + rc = regmap_read(data->regmap, VCNL_PS_RESULT_LO, ®); + if (rc < 0) + goto err_unlock; + *val |= reg; + dev_dbg(&data->client->dev, "result low byte 0x%x", rc); + +err_unlock: + mutex_unlock(&data->lock); + + return rc; +} + +static const struct iio_chan_spec vcnl3020_channels[] = { + { + .type = IIO_PROXIMITY, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + } +}; + +static int vcnl3020_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, int *val, + int *val2, long mask) +{ + int rc; + struct vcnl3020_data *data = iio_priv(indio_dev); + + switch (mask) { + case IIO_CHAN_INFO_RAW: + switch (chan->type) { + case IIO_PROXIMITY: + rc = vcnl3020_measure_proximity(data, val); + if (rc) + return rc; + return IIO_VAL_INT; + default: + return -EINVAL; + } + default: + return -EINVAL; + } +} + +static const struct iio_info vcnl3020_info = { + .read_raw = vcnl3020_read_raw, +}; + +static const struct regmap_config vcnl3020_regmap_config = { + .name = VCNL_REGMAP_NAME, + .reg_bits = 8, + .val_bits = 8, + .max_register = VCNL_PS_MOD_ADJ, +}; + +static int vcnl3020_probe(struct i2c_client *client) +{ + struct vcnl3020_data *data; + struct iio_dev *indio_dev; + struct regmap *regmap; + int rc; + + regmap = devm_regmap_init_i2c(client, &vcnl3020_regmap_config); + if (IS_ERR(regmap)) { + dev_err(&client->dev, "regmap_init failed!\n"); + return PTR_ERR(regmap); + } + + indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data)); + if (!indio_dev) + return -ENOMEM; + + data = iio_priv(indio_dev); + i2c_set_clientdata(client, indio_dev); + data->regmap = regmap; + data->client = client; + + rc = vcnl3020_init(data); + if (rc) + return rc; + + indio_dev->dev.parent = &client->dev; + indio_dev->info = &vcnl3020_info; + indio_dev->channels = vcnl3020_channels; + indio_dev->num_channels = ARRAY_SIZE(vcnl3020_channels); + indio_dev->name = VCNL_DRV_NAME; + indio_dev->modes = INDIO_DIRECT_MODE; + + return devm_iio_device_register(&client->dev, indio_dev); +} + +static const struct i2c_device_id vcnl3020_id[] = { + { "vcnl3020", 0 }, + {} +}; +MODULE_DEVICE_TABLE(i2c, vcnl3020_id); + +static const struct of_device_id vcnl3020_of_match[] = { + { + .compatible = "vishay,vcnl3020", + }, + {} +}; +MODULE_DEVICE_TABLE(of, vcnl3020_of_match); + +static struct i2c_driver vcnl3020_driver = { + .driver = { + .name = VCNL_DRV_NAME, + .of_match_table = vcnl3020_of_match, + }, + .probe_new = vcnl3020_probe, + .id_table = vcnl3020_id, +}; +module_i2c_driver(vcnl3020_driver); + +MODULE_AUTHOR("Ivan Mikhaylov <i.mikhaylov@yadro.com>"); +MODULE_DESCRIPTION("Vishay VCNL3020 proximity sensor driver"); +MODULE_LICENSE("GPL"); -- 2.21.1 ^ permalink raw reply related [flat|nested] 7+ messages in thread
* Re: [PATCH v2 2/2] iio: proximity: Add driver support for vcnl3020 proximity sensor 2020-03-25 15:12 ` [PATCH v2 2/2] iio: proximity: Add driver support for vcnl3020 proximity sensor Ivan Mikhaylov @ 2020-03-25 15:53 ` Andy Shevchenko 0 siblings, 0 replies; 7+ messages in thread From: Andy Shevchenko @ 2020-03-25 15:53 UTC (permalink / raw) To: Ivan Mikhaylov Cc: Jonathan Cameron, Hartmut Knaack, Lars-Peter Clausen, Peter Meerwald-Stadler, linux-iio, Linux Kernel Mailing List, devicetree, Mark Rutland, Rob Herring On Wed, Mar 25, 2020 at 5:14 PM Ivan Mikhaylov <i.mikhaylov@yadro.com> wrote: > > Proximity sensor driver based on light/vcnl4000.c code. > For now supports only the single on-demand measurement. > > The VCNL3020 is a fully integrated proximity sensor. Fully > integrated means that the infrared emitter is included in the > package. It has 16-bit resolution. It includes a signal > processing IC and features standard I2C communication > interface. It features an interrupt function. Thank you for an update, my comments below. ... > +config VCNL3020 > + tristate "VCNL3020 proximity sensor" > + depends on I2C REGMAP_I2C ... > +struct vcnl3020_data { > + struct regmap *regmap; > + struct i2c_client *client; Since you have switched to regmap I2C API, do you really need client here, perhaps struct device *dev would be enough? > + u8 rev; > + struct mutex lock; > +}; ... > + rc = regmap_read(data->regmap, VCNL_PROD_REV, ®); > + if (rc < 0) { I think you may drop all these ' < 0' checks for regmap, otherwise can you elaborate what positive return code, if any, means? > + dev_err(&data->client->dev, > + "Error (%d) reading product revision", rc); > + return rc; > + } ... > + rc = regmap_write(data->regmap, VCNL_LED_CURRENT, led_current); > + if (rc < 0) { ...after above change... > + dev_err(&data->client->dev, "Error (%d) setting LED current", > + rc); > + return rc; > + } > + > + return 0; ...simple return rc; here. ... > + /* wait for data to become ready */ > + do { > + rc = regmap_read(data->regmap, VCNL_COMMAND, ®); > + if (rc < 0) > + goto err_unlock; > + if (reg & VCNL_PS_RDY) > + break; > + msleep(20); /* measurement takes up to 100 ms */ > + } while (--tries); regmap_read_poll_timeput() ... > +static const struct iio_chan_spec vcnl3020_channels[] = { > + { > + .type = IIO_PROXIMITY, > + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), > + } Leave comma here. > +}; -- With Best Regards, Andy Shevchenko ^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [PATCH v2 0/2] iio: proximity: driver for vcnl3020 2020-03-25 15:12 [PATCH v2 0/2] iio: proximity: driver for vcnl3020 Ivan Mikhaylov 2020-03-25 15:12 ` [PATCH v2 1/2] iio: proximity: provide device tree binding document Ivan Mikhaylov 2020-03-25 15:12 ` [PATCH v2 2/2] iio: proximity: Add driver support for vcnl3020 proximity sensor Ivan Mikhaylov @ 2020-03-25 15:47 ` Andy Shevchenko 2020-03-26 13:06 ` Ivan Mikhaylov 3 siblings, 0 replies; 7+ messages in thread From: Andy Shevchenko @ 2020-03-25 15:47 UTC (permalink / raw) To: Ivan Mikhaylov Cc: Jonathan Cameron, Hartmut Knaack, Lars-Peter Clausen, Peter Meerwald-Stadler, linux-iio, Linux Kernel Mailing List, devicetree, Mark Rutland, Rob Herring On Wed, Mar 25, 2020 at 5:14 PM Ivan Mikhaylov <i.mikhaylov@yadro.com> wrote: > > Add proximity sensor driver for Vishay vcnl3020. Only on-demand > measurement is supported for now. > You missed chagelog here. (For the future, please, don't miss, but now send a followup message what you have done in v2) > Ivan Mikhaylov (2): > iio: proximity: provide device tree binding document > iio: proximity: Add driver support for vcnl3020 proximity sensor > > .../bindings/iio/proximity/vcnl3020.yaml | 47 ++++ > drivers/iio/proximity/Kconfig | 10 + > drivers/iio/proximity/Makefile | 1 + > drivers/iio/proximity/vcnl3020.c | 242 ++++++++++++++++++ > 4 files changed, 300 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/proximity/vcnl3020.yaml > create mode 100644 drivers/iio/proximity/vcnl3020.c > > -- > 2.21.1 > -- With Best Regards, Andy Shevchenko ^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [PATCH v2 0/2] iio: proximity: driver for vcnl3020 2020-03-25 15:12 [PATCH v2 0/2] iio: proximity: driver for vcnl3020 Ivan Mikhaylov ` (2 preceding siblings ...) 2020-03-25 15:47 ` [PATCH v2 0/2] iio: proximity: driver for vcnl3020 Andy Shevchenko @ 2020-03-26 13:06 ` Ivan Mikhaylov 3 siblings, 0 replies; 7+ messages in thread From: Ivan Mikhaylov @ 2020-03-26 13:06 UTC (permalink / raw) To: Ivan Mikhaylov Cc: Jonathan Cameron, Hartmut Knaack, Lars-Peter Clausen, Peter Meerwald-Stadler, linux-iio, linux-kernel, devicetree, Mark Rutland, Rob Herring, Andy Shevchenko On Wed, 2020-03-25 at 18:12 +0300, Ivan Mikhaylov wrote: > Add proximity sensor driver for Vishay vcnl3020. Only on-demand > measurement is supported for now. > > Ivan Mikhaylov (2): > iio: proximity: provide device tree binding document > iio: proximity: Add driver support for vcnl3020 proximity sensor > > .../bindings/iio/proximity/vcnl3020.yaml | 47 ++++ > drivers/iio/proximity/Kconfig | 10 + > drivers/iio/proximity/Makefile | 1 + > drivers/iio/proximity/vcnl3020.c | 242 ++++++++++++++++++ > 4 files changed, 300 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/iio/proximity/vcnl3020.yaml > create mode 100644 drivers/iio/proximity/vcnl3020.c > Changes from v1: 1. using regmap interface instead of i2c_smbus_* calls. 2. switch from probe to probe_new. 3. s32/int32_t -> int ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2020-03-26 16:54 UTC | newest] Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2020-03-25 15:12 [PATCH v2 0/2] iio: proximity: driver for vcnl3020 Ivan Mikhaylov 2020-03-25 15:12 ` [PATCH v2 1/2] iio: proximity: provide device tree binding document Ivan Mikhaylov 2020-03-26 16:54 ` Rob Herring 2020-03-25 15:12 ` [PATCH v2 2/2] iio: proximity: Add driver support for vcnl3020 proximity sensor Ivan Mikhaylov 2020-03-25 15:53 ` Andy Shevchenko 2020-03-25 15:47 ` [PATCH v2 0/2] iio: proximity: driver for vcnl3020 Andy Shevchenko 2020-03-26 13:06 ` Ivan Mikhaylov
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