Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
iio: frequency: adf4377: add adf4378 support
Add separate handling for adf4378 within the driver.
The main difference between adf4377 and adf4378 is that adf4378 has only
one output which is handled by only one gpio.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://patch.msgid.link/20240729095047.25040-3-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
authored by
Antoniu Miclaus
and committed by
Jonathan Cameron
6140a92c
87bcd0f9
+28
-7
+28
-7
drivers/iio/frequency/adf4377.c
+28
-7
drivers/iio/frequency/adf4377.c
···
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ADF4377_MUXOUT_HIGH = 0x8,
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};
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+
struct adf4377_chip_info {
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const char *name;
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bool has_gpio_enclk2;
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+
};
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+
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struct adf4377_state {
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const struct adf4377_chip_info *chip_info;
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struct spi_device *spi;
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struct regmap *regmap;
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struct clk *clkin;
···
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return dev_err_probe(&spi->dev, PTR_ERR(st->gpio_enclk1),
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"failed to get the CE GPIO\n");
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-
st->gpio_enclk2 = devm_gpiod_get_optional(&st->spi->dev, "clk2-enable",
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-
GPIOD_OUT_LOW);
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if (IS_ERR(st->gpio_enclk2))
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-
return dev_err_probe(&spi->dev, PTR_ERR(st->gpio_enclk2),
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"failed to get the CE GPIO\n");
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+
if (st->chip_info->has_gpio_enclk2) {
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st->gpio_enclk2 = devm_gpiod_get_optional(&st->spi->dev, "clk2-enable",
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GPIOD_OUT_LOW);
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if (IS_ERR(st->gpio_enclk2))
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return dev_err_probe(&spi->dev, PTR_ERR(st->gpio_enclk2),
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"failed to get the CE GPIO\n");
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}
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ret = device_property_match_property_string(&spi->dev, "adi,muxout-select",
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adf4377_muxout_modes,
···
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return NOTIFY_OK;
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}
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+
static const struct adf4377_chip_info adf4377_chip_info = {
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.name = "adf4377",
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.has_gpio_enclk2 = true,
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};
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static const struct adf4377_chip_info adf4378_chip_info = {
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.name = "adf4378",
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.has_gpio_enclk2 = false,
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};
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static int adf4377_probe(struct spi_device *spi)
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{
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struct iio_dev *indio_dev;
···
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st->regmap = regmap;
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st->spi = spi;
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+
st->chip_info = spi_get_device_match_data(spi);
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mutex_init(&st->lock);
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ret = adf4377_properties_parse(st);
···
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}
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static const struct spi_device_id adf4377_id[] = {
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-
{ "adf4377", 0 },
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{ "adf4377", (kernel_ulong_t)&adf4377_chip_info },
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{ "adf4378", (kernel_ulong_t)&adf4378_chip_info },
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{}
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};
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MODULE_DEVICE_TABLE(spi, adf4377_id);
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static const struct of_device_id adf4377_of_match[] = {
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-
{ .compatible = "adi,adf4377" },
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{ .compatible = "adi,adf4377", .data = &adf4377_chip_info },
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{ .compatible = "adi,adf4378", .data = &adf4378_chip_info },
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{}
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};
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MODULE_DEVICE_TABLE(of, adf4377_of_match);