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-rw-r--r--drivers/iio/potentiometer/Kconfig23
-rw-r--r--drivers/iio/potentiometer/Makefile1
-rw-r--r--drivers/iio/potentiometer/max5487.c161
-rw-r--r--drivers/iio/potentiometer/mcp4531.c159
-rw-r--r--drivers/iio/potentiometer/tpl0102.c4
5 files changed, 338 insertions, 10 deletions
diff --git a/drivers/iio/potentiometer/Kconfig b/drivers/iio/potentiometer/Kconfig
index 6acb23810..2e9da1cf3 100644
--- a/drivers/iio/potentiometer/Kconfig
+++ b/drivers/iio/potentiometer/Kconfig
@@ -10,11 +10,22 @@ config DS1803
depends on I2C
help
Say yes here to build support for the Maxim Integrated DS1803
- digital potentiomenter chip.
+ digital potentiometer chip.
To compile this driver as a module, choose M here: the
module will be called ds1803.
+config MAX5487
+ tristate "Maxim MAX5487/MAX5488/MAX5489 Digital Potentiometer driver"
+ depends on SPI
+ help
+ Say yes here to build support for the Maxim
+ MAX5487, MAX5488, MAX5489 digital potentiometer
+ chips.
+
+ To compile this driver as a module, choose M here: the
+ module will be called max5487.
+
config MCP4131
tristate "Microchip MCP413X/414X/415X/416X/423X/424X/425X/426X Digital Potentiometer driver"
depends on SPI
@@ -28,7 +39,7 @@ config MCP4131
MCP4241, MCP4242,
MCP4251, MCP4252,
MCP4261, MCP4262,
- digital potentiomenter chips.
+ digital potentiometer chips.
To compile this driver as a module, choose M here: the
module will be called mcp4131.
@@ -38,9 +49,11 @@ config MCP4531
depends on I2C
help
Say yes here to build support for the Microchip
- MCP4531, MCP4532, MCP4551, MCP4552,
- MCP4631, MCP4632, MCP4651, MCP4652
- digital potentiomenter chips.
+ MCP4531, MCP4532, MCP4541, MCP4542,
+ MCP4551, MCP4552, MCP4561, MCP4562,
+ MCP4631, MCP4632, MCP4641, MCP4642,
+ MCP4651, MCP4652, MCP4661, MCP4662
+ digital potentiometer chips.
To compile this driver as a module, choose M here: the
module will be called mcp4531.
diff --git a/drivers/iio/potentiometer/Makefile b/drivers/iio/potentiometer/Makefile
index 6007faa2f..8adb58f38 100644
--- a/drivers/iio/potentiometer/Makefile
+++ b/drivers/iio/potentiometer/Makefile
@@ -4,6 +4,7 @@
# When adding new entries keep the list in alphabetical order
obj-$(CONFIG_DS1803) += ds1803.o
+obj-$(CONFIG_MAX5487) += max5487.o
obj-$(CONFIG_MCP4131) += mcp4131.o
obj-$(CONFIG_MCP4531) += mcp4531.o
obj-$(CONFIG_TPL0102) += tpl0102.o
diff --git a/drivers/iio/potentiometer/max5487.c b/drivers/iio/potentiometer/max5487.c
new file mode 100644
index 000000000..6c50939a2
--- /dev/null
+++ b/drivers/iio/potentiometer/max5487.c
@@ -0,0 +1,161 @@
+/*
+ * max5487.c - Support for MAX5487, MAX5488, MAX5489 digital potentiometers
+ *
+ * Copyright (C) 2016 Cristina-Gabriela Moraru <cristina.moraru09@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#include <linux/module.h>
+#include <linux/spi/spi.h>
+#include <linux/acpi.h>
+
+#include <linux/iio/sysfs.h>
+#include <linux/iio/iio.h>
+
+#define MAX5487_WRITE_WIPER_A (0x01 << 8)
+#define MAX5487_WRITE_WIPER_B (0x02 << 8)
+
+/* copy both wiper regs to NV regs */
+#define MAX5487_COPY_AB_TO_NV (0x23 << 8)
+/* copy both NV regs to wiper regs */
+#define MAX5487_COPY_NV_TO_AB (0x33 << 8)
+
+#define MAX5487_MAX_POS 255
+
+struct max5487_data {
+ struct spi_device *spi;
+ int kohms;
+};
+
+#define MAX5487_CHANNEL(ch, addr) { \
+ .type = IIO_RESISTANCE, \
+ .indexed = 1, \
+ .output = 1, \
+ .channel = ch, \
+ .address = addr, \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
+ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
+}
+
+static const struct iio_chan_spec max5487_channels[] = {
+ MAX5487_CHANNEL(0, MAX5487_WRITE_WIPER_A),
+ MAX5487_CHANNEL(1, MAX5487_WRITE_WIPER_B),
+};
+
+static int max5487_write_cmd(struct spi_device *spi, u16 cmd)
+{
+ return spi_write(spi, (const void *) &cmd, sizeof(u16));
+}
+
+static int max5487_read_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int *val, int *val2, long mask)
+{
+ struct max5487_data *data = iio_priv(indio_dev);
+
+ if (mask != IIO_CHAN_INFO_SCALE)
+ return -EINVAL;
+
+ *val = 1000 * data->kohms;
+ *val2 = MAX5487_MAX_POS;
+
+ return IIO_VAL_FRACTIONAL;
+}
+
+static int max5487_write_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int val, int val2, long mask)
+{
+ struct max5487_data *data = iio_priv(indio_dev);
+
+ if (mask != IIO_CHAN_INFO_RAW)
+ return -EINVAL;
+
+ if (val < 0 || val > MAX5487_MAX_POS)
+ return -EINVAL;
+
+ return max5487_write_cmd(data->spi, chan->address | val);
+}
+
+static const struct iio_info max5487_info = {
+ .read_raw = max5487_read_raw,
+ .write_raw = max5487_write_raw,
+ .driver_module = THIS_MODULE,
+};
+
+static int max5487_spi_probe(struct spi_device *spi)
+{
+ struct iio_dev *indio_dev;
+ struct max5487_data *data;
+ const struct spi_device_id *id = spi_get_device_id(spi);
+ int ret;
+
+ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*data));
+ if (!indio_dev)
+ return -ENOMEM;
+
+ dev_set_drvdata(&spi->dev, indio_dev);
+ data = iio_priv(indio_dev);
+
+ data->spi = spi;
+ data->kohms = id->driver_data;
+
+ indio_dev->info = &max5487_info;
+ indio_dev->name = id->name;
+ indio_dev->dev.parent = &spi->dev;
+ indio_dev->modes = INDIO_DIRECT_MODE;
+ indio_dev->channels = max5487_channels;
+ indio_dev->num_channels = ARRAY_SIZE(max5487_channels);
+
+ /* restore both wiper regs from NV regs */
+ ret = max5487_write_cmd(data->spi, MAX5487_COPY_NV_TO_AB);
+ if (ret < 0)
+ return ret;
+
+ return iio_device_register(indio_dev);
+}
+
+static int max5487_spi_remove(struct spi_device *spi)
+{
+ struct iio_dev *indio_dev = dev_get_drvdata(&spi->dev);
+
+ iio_device_unregister(indio_dev);
+
+ /* save both wiper regs to NV regs */
+ return max5487_write_cmd(spi, MAX5487_COPY_AB_TO_NV);
+}
+
+static const struct spi_device_id max5487_id[] = {
+ { "MAX5487", 10 },
+ { "MAX5488", 50 },
+ { "MAX5489", 100 },
+ { }
+};
+MODULE_DEVICE_TABLE(spi, max5487_id);
+
+static const struct acpi_device_id max5487_acpi_match[] = {
+ { "MAX5487", 10 },
+ { "MAX5488", 50 },
+ { "MAX5489", 100 },
+ { },
+};
+MODULE_DEVICE_TABLE(acpi, max5487_acpi_match);
+
+static struct spi_driver max5487_driver = {
+ .driver = {
+ .name = "max5487",
+ .owner = THIS_MODULE,
+ .acpi_match_table = ACPI_PTR(max5487_acpi_match),
+ },
+ .id_table = max5487_id,
+ .probe = max5487_spi_probe,
+ .remove = max5487_spi_remove
+};
+module_spi_driver(max5487_driver);
+
+MODULE_AUTHOR("Cristina-Gabriela Moraru <cristina.moraru09@gmail.com>");
+MODULE_DESCRIPTION("max5487 SPI driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/potentiometer/mcp4531.c b/drivers/iio/potentiometer/mcp4531.c
index 3b72e1a59..13b6ae2fc 100644
--- a/drivers/iio/potentiometer/mcp4531.c
+++ b/drivers/iio/potentiometer/mcp4531.c
@@ -8,12 +8,20 @@
* DEVID #Wipers #Positions Resistor Opts (kOhm) i2c address
* mcp4531 1 129 5, 10, 50, 100 010111x
* mcp4532 1 129 5, 10, 50, 100 01011xx
+ * mcp4541 1 129 5, 10, 50, 100 010111x
+ * mcp4542 1 129 5, 10, 50, 100 01011xx
* mcp4551 1 257 5, 10, 50, 100 010111x
* mcp4552 1 257 5, 10, 50, 100 01011xx
+ * mcp4561 1 257 5, 10, 50, 100 010111x
+ * mcp4562 1 257 5, 10, 50, 100 01011xx
* mcp4631 2 129 5, 10, 50, 100 0101xxx
* mcp4632 2 129 5, 10, 50, 100 01011xx
+ * mcp4641 2 129 5, 10, 50, 100 0101xxx
+ * mcp4642 2 129 5, 10, 50, 100 01011xx
* mcp4651 2 257 5, 10, 50, 100 0101xxx
* mcp4652 2 257 5, 10, 50, 100 01011xx
+ * mcp4661 2 257 5, 10, 50, 100 0101xxx
+ * mcp4662 2 257 5, 10, 50, 100 01011xx
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
@@ -23,6 +31,8 @@
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/err.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/iio/iio.h>
@@ -37,18 +47,34 @@ enum mcp4531_type {
MCP453x_103,
MCP453x_503,
MCP453x_104,
+ MCP454x_502,
+ MCP454x_103,
+ MCP454x_503,
+ MCP454x_104,
MCP455x_502,
MCP455x_103,
MCP455x_503,
MCP455x_104,
+ MCP456x_502,
+ MCP456x_103,
+ MCP456x_503,
+ MCP456x_104,
MCP463x_502,
MCP463x_103,
MCP463x_503,
MCP463x_104,
+ MCP464x_502,
+ MCP464x_103,
+ MCP464x_503,
+ MCP464x_104,
MCP465x_502,
MCP465x_103,
MCP465x_503,
MCP465x_104,
+ MCP466x_502,
+ MCP466x_103,
+ MCP466x_503,
+ MCP466x_104,
};
static const struct mcp4531_cfg mcp4531_cfg[] = {
@@ -56,18 +82,34 @@ static const struct mcp4531_cfg mcp4531_cfg[] = {
[MCP453x_103] = { .wipers = 1, .max_pos = 128, .kohms = 10, },
[MCP453x_503] = { .wipers = 1, .max_pos = 128, .kohms = 50, },
[MCP453x_104] = { .wipers = 1, .max_pos = 128, .kohms = 100, },
+ [MCP454x_502] = { .wipers = 1, .max_pos = 128, .kohms = 5, },
+ [MCP454x_103] = { .wipers = 1, .max_pos = 128, .kohms = 10, },
+ [MCP454x_503] = { .wipers = 1, .max_pos = 128, .kohms = 50, },
+ [MCP454x_104] = { .wipers = 1, .max_pos = 128, .kohms = 100, },
[MCP455x_502] = { .wipers = 1, .max_pos = 256, .kohms = 5, },
[MCP455x_103] = { .wipers = 1, .max_pos = 256, .kohms = 10, },
[MCP455x_503] = { .wipers = 1, .max_pos = 256, .kohms = 50, },
[MCP455x_104] = { .wipers = 1, .max_pos = 256, .kohms = 100, },
+ [MCP456x_502] = { .wipers = 1, .max_pos = 256, .kohms = 5, },
+ [MCP456x_103] = { .wipers = 1, .max_pos = 256, .kohms = 10, },
+ [MCP456x_503] = { .wipers = 1, .max_pos = 256, .kohms = 50, },
+ [MCP456x_104] = { .wipers = 1, .max_pos = 256, .kohms = 100, },
[MCP463x_502] = { .wipers = 2, .max_pos = 128, .kohms = 5, },
[MCP463x_103] = { .wipers = 2, .max_pos = 128, .kohms = 10, },
[MCP463x_503] = { .wipers = 2, .max_pos = 128, .kohms = 50, },
[MCP463x_104] = { .wipers = 2, .max_pos = 128, .kohms = 100, },
+ [MCP464x_502] = { .wipers = 2, .max_pos = 128, .kohms = 5, },
+ [MCP464x_103] = { .wipers = 2, .max_pos = 128, .kohms = 10, },
+ [MCP464x_503] = { .wipers = 2, .max_pos = 128, .kohms = 50, },
+ [MCP464x_104] = { .wipers = 2, .max_pos = 128, .kohms = 100, },
[MCP465x_502] = { .wipers = 2, .max_pos = 256, .kohms = 5, },
[MCP465x_103] = { .wipers = 2, .max_pos = 256, .kohms = 10, },
[MCP465x_503] = { .wipers = 2, .max_pos = 256, .kohms = 50, },
[MCP465x_104] = { .wipers = 2, .max_pos = 256, .kohms = 100, },
+ [MCP466x_502] = { .wipers = 2, .max_pos = 256, .kohms = 5, },
+ [MCP466x_103] = { .wipers = 2, .max_pos = 256, .kohms = 10, },
+ [MCP466x_503] = { .wipers = 2, .max_pos = 256, .kohms = 50, },
+ [MCP466x_104] = { .wipers = 2, .max_pos = 256, .kohms = 100, },
};
#define MCP4531_WRITE (0 << 2)
@@ -148,12 +190,89 @@ static const struct iio_info mcp4531_info = {
.driver_module = THIS_MODULE,
};
+#ifdef CONFIG_OF
+
+#define MCP4531_COMPATIBLE(of_compatible, cfg) { \
+ .compatible = of_compatible, \
+ .data = &mcp4531_cfg[cfg], \
+}
+
+static const struct of_device_id mcp4531_of_match[] = {
+ MCP4531_COMPATIBLE("microchip,mcp4531-502", MCP453x_502),
+ MCP4531_COMPATIBLE("microchip,mcp4531-103", MCP453x_103),
+ MCP4531_COMPATIBLE("microchip,mcp4531-503", MCP453x_503),
+ MCP4531_COMPATIBLE("microchip,mcp4531-104", MCP453x_104),
+ MCP4531_COMPATIBLE("microchip,mcp4532-502", MCP453x_502),
+ MCP4531_COMPATIBLE("microchip,mcp4532-103", MCP453x_103),
+ MCP4531_COMPATIBLE("microchip,mcp4532-503", MCP453x_503),
+ MCP4531_COMPATIBLE("microchip,mcp4532-104", MCP453x_104),
+ MCP4531_COMPATIBLE("microchip,mcp4541-502", MCP454x_502),
+ MCP4531_COMPATIBLE("microchip,mcp4541-103", MCP454x_103),
+ MCP4531_COMPATIBLE("microchip,mcp4541-503", MCP454x_503),
+ MCP4531_COMPATIBLE("microchip,mcp4541-104", MCP454x_104),
+ MCP4531_COMPATIBLE("microchip,mcp4542-502", MCP454x_502),
+ MCP4531_COMPATIBLE("microchip,mcp4542-103", MCP454x_103),
+ MCP4531_COMPATIBLE("microchip,mcp4542-503", MCP454x_503),
+ MCP4531_COMPATIBLE("microchip,mcp4542-104", MCP454x_104),
+ MCP4531_COMPATIBLE("microchip,mcp4551-502", MCP455x_502),
+ MCP4531_COMPATIBLE("microchip,mcp4551-103", MCP455x_103),
+ MCP4531_COMPATIBLE("microchip,mcp4551-503", MCP455x_503),
+ MCP4531_COMPATIBLE("microchip,mcp4551-104", MCP455x_104),
+ MCP4531_COMPATIBLE("microchip,mcp4552-502", MCP455x_502),
+ MCP4531_COMPATIBLE("microchip,mcp4552-103", MCP455x_103),
+ MCP4531_COMPATIBLE("microchip,mcp4552-503", MCP455x_503),
+ MCP4531_COMPATIBLE("microchip,mcp4552-104", MCP455x_104),
+ MCP4531_COMPATIBLE("microchip,mcp4561-502", MCP456x_502),
+ MCP4531_COMPATIBLE("microchip,mcp4561-103", MCP456x_103),
+ MCP4531_COMPATIBLE("microchip,mcp4561-503", MCP456x_503),
+ MCP4531_COMPATIBLE("microchip,mcp4561-104", MCP456x_104),
+ MCP4531_COMPATIBLE("microchip,mcp4562-502", MCP456x_502),
+ MCP4531_COMPATIBLE("microchip,mcp4562-103", MCP456x_103),
+ MCP4531_COMPATIBLE("microchip,mcp4562-503", MCP456x_503),
+ MCP4531_COMPATIBLE("microchip,mcp4562-104", MCP456x_104),
+ MCP4531_COMPATIBLE("microchip,mcp4631-502", MCP463x_502),
+ MCP4531_COMPATIBLE("microchip,mcp4631-103", MCP463x_103),
+ MCP4531_COMPATIBLE("microchip,mcp4631-503", MCP463x_503),
+ MCP4531_COMPATIBLE("microchip,mcp4631-104", MCP463x_104),
+ MCP4531_COMPATIBLE("microchip,mcp4632-502", MCP463x_502),
+ MCP4531_COMPATIBLE("microchip,mcp4632-103", MCP463x_103),
+ MCP4531_COMPATIBLE("microchip,mcp4632-503", MCP463x_503),
+ MCP4531_COMPATIBLE("microchip,mcp4632-104", MCP463x_104),
+ MCP4531_COMPATIBLE("microchip,mcp4641-502", MCP464x_502),
+ MCP4531_COMPATIBLE("microchip,mcp4641-103", MCP464x_103),
+ MCP4531_COMPATIBLE("microchip,mcp4641-503", MCP464x_503),
+ MCP4531_COMPATIBLE("microchip,mcp4641-104", MCP464x_104),
+ MCP4531_COMPATIBLE("microchip,mcp4642-502", MCP464x_502),
+ MCP4531_COMPATIBLE("microchip,mcp4642-103", MCP464x_103),
+ MCP4531_COMPATIBLE("microchip,mcp4642-503", MCP464x_503),
+ MCP4531_COMPATIBLE("microchip,mcp4642-104", MCP464x_104),
+ MCP4531_COMPATIBLE("microchip,mcp4651-502", MCP465x_502),
+ MCP4531_COMPATIBLE("microchip,mcp4651-103", MCP465x_103),
+ MCP4531_COMPATIBLE("microchip,mcp4651-503", MCP465x_503),
+ MCP4531_COMPATIBLE("microchip,mcp4651-104", MCP465x_104),
+ MCP4531_COMPATIBLE("microchip,mcp4652-502", MCP465x_502),
+ MCP4531_COMPATIBLE("microchip,mcp4652-103", MCP465x_103),
+ MCP4531_COMPATIBLE("microchip,mcp4652-503", MCP465x_503),
+ MCP4531_COMPATIBLE("microchip,mcp4652-104", MCP465x_104),
+ MCP4531_COMPATIBLE("microchip,mcp4661-502", MCP466x_502),
+ MCP4531_COMPATIBLE("microchip,mcp4661-103", MCP466x_103),
+ MCP4531_COMPATIBLE("microchip,mcp4661-503", MCP466x_503),
+ MCP4531_COMPATIBLE("microchip,mcp4661-104", MCP466x_104),
+ MCP4531_COMPATIBLE("microchip,mcp4662-502", MCP466x_502),
+ MCP4531_COMPATIBLE("microchip,mcp4662-103", MCP466x_103),
+ MCP4531_COMPATIBLE("microchip,mcp4662-503", MCP466x_503),
+ MCP4531_COMPATIBLE("microchip,mcp4662-104", MCP466x_104),
+ { /* sentinel */ }
+};
+#endif
+
static int mcp4531_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
struct mcp4531_data *data;
struct iio_dev *indio_dev;
+ const struct of_device_id *match;
if (!i2c_check_functionality(client->adapter,
I2C_FUNC_SMBUS_WORD_DATA)) {
@@ -167,7 +286,12 @@ static int mcp4531_probe(struct i2c_client *client,
data = iio_priv(indio_dev);
i2c_set_clientdata(client, indio_dev);
data->client = client;
- data->cfg = &mcp4531_cfg[id->driver_data];
+
+ match = of_match_device(of_match_ptr(mcp4531_of_match), dev);
+ if (match)
+ data->cfg = of_device_get_match_data(dev);
+ else
+ data->cfg = &mcp4531_cfg[id->driver_data];
indio_dev->dev.parent = dev;
indio_dev->info = &mcp4531_info;
@@ -187,6 +311,14 @@ static const struct i2c_device_id mcp4531_id[] = {
{ "mcp4532-103", MCP453x_103 },
{ "mcp4532-503", MCP453x_503 },
{ "mcp4532-104", MCP453x_104 },
+ { "mcp4541-502", MCP454x_502 },
+ { "mcp4541-103", MCP454x_103 },
+ { "mcp4541-503", MCP454x_503 },
+ { "mcp4541-104", MCP454x_104 },
+ { "mcp4542-502", MCP454x_502 },
+ { "mcp4542-103", MCP454x_103 },
+ { "mcp4542-503", MCP454x_503 },
+ { "mcp4542-104", MCP454x_104 },
{ "mcp4551-502", MCP455x_502 },
{ "mcp4551-103", MCP455x_103 },
{ "mcp4551-503", MCP455x_503 },
@@ -195,6 +327,14 @@ static const struct i2c_device_id mcp4531_id[] = {
{ "mcp4552-103", MCP455x_103 },
{ "mcp4552-503", MCP455x_503 },
{ "mcp4552-104", MCP455x_104 },
+ { "mcp4561-502", MCP456x_502 },
+ { "mcp4561-103", MCP456x_103 },
+ { "mcp4561-503", MCP456x_503 },
+ { "mcp4561-104", MCP456x_104 },
+ { "mcp4562-502", MCP456x_502 },
+ { "mcp4562-103", MCP456x_103 },
+ { "mcp4562-503", MCP456x_503 },
+ { "mcp4562-104", MCP456x_104 },
{ "mcp4631-502", MCP463x_502 },
{ "mcp4631-103", MCP463x_103 },
{ "mcp4631-503", MCP463x_503 },
@@ -203,6 +343,14 @@ static const struct i2c_device_id mcp4531_id[] = {
{ "mcp4632-103", MCP463x_103 },
{ "mcp4632-503", MCP463x_503 },
{ "mcp4632-104", MCP463x_104 },
+ { "mcp4641-502", MCP464x_502 },
+ { "mcp4641-103", MCP464x_103 },
+ { "mcp4641-503", MCP464x_503 },
+ { "mcp4641-104", MCP464x_104 },
+ { "mcp4642-502", MCP464x_502 },
+ { "mcp4642-103", MCP464x_103 },
+ { "mcp4642-503", MCP464x_503 },
+ { "mcp4642-104", MCP464x_104 },
{ "mcp4651-502", MCP465x_502 },
{ "mcp4651-103", MCP465x_103 },
{ "mcp4651-503", MCP465x_503 },
@@ -211,6 +359,14 @@ static const struct i2c_device_id mcp4531_id[] = {
{ "mcp4652-103", MCP465x_103 },
{ "mcp4652-503", MCP465x_503 },
{ "mcp4652-104", MCP465x_104 },
+ { "mcp4661-502", MCP466x_502 },
+ { "mcp4661-103", MCP466x_103 },
+ { "mcp4661-503", MCP466x_503 },
+ { "mcp4661-104", MCP466x_104 },
+ { "mcp4662-502", MCP466x_502 },
+ { "mcp4662-103", MCP466x_103 },
+ { "mcp4662-503", MCP466x_503 },
+ { "mcp4662-104", MCP466x_104 },
{}
};
MODULE_DEVICE_TABLE(i2c, mcp4531_id);
@@ -218,6 +374,7 @@ MODULE_DEVICE_TABLE(i2c, mcp4531_id);
static struct i2c_driver mcp4531_driver = {
.driver = {
.name = "mcp4531",
+ .of_match_table = of_match_ptr(mcp4531_of_match),
},
.probe = mcp4531_probe,
.id_table = mcp4531_id,
diff --git a/drivers/iio/potentiometer/tpl0102.c b/drivers/iio/potentiometer/tpl0102.c
index 5c304d42d..7b6b54531 100644
--- a/drivers/iio/potentiometer/tpl0102.c
+++ b/drivers/iio/potentiometer/tpl0102.c
@@ -116,10 +116,6 @@ static int tpl0102_probe(struct i2c_client *client,
struct tpl0102_data *data;
struct iio_dev *indio_dev;
- if (!i2c_check_functionality(client->adapter,
- I2C_FUNC_SMBUS_WORD_DATA))
- return -EOPNOTSUPP;
-
indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
if (!indio_dev)
return -ENOMEM;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-05 06:47:14 +0000