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iio: frequency: adf4350: Make use of device properties

Browse source 
Convert the module to be property provider agnostic and allow
it to be used on non-OF platforms.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220203110006.4291-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Andy Shevchenko 2022-02-03 13:00:06 +02:00 committed by Jonathan Cameron
parent 201d11c508
commit 130650e836
1 changed files with 42 additions and 61 deletions
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103
drivers/iio/frequency/adf4350.c
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@ -7,17 +7,18 @@
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/property.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
#include <linux/spi/spi.h>
#include <linux/regulator/consumer.h>
#include <linux/err.h>
#include <linux/module.h>
#include <linux/gcd.h>
#include <linux/gpio/consumer.h>
#include <asm/div64.h>
#include <linux/clk.h>
#include <linux/of.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
@ -381,10 +382,8 @@ static const struct iio_info adf4350_info = {
.debugfs_reg_access = &adf4350_reg_access,
};
#ifdef CONFIG_OF
static struct adf4350_platform_data *adf4350_parse_dt(struct device *dev)
{
struct device_node *np = dev->of_node;
struct adf4350_platform_data *pdata;
unsigned int tmp;
@ -392,101 +391,83 @@ static struct adf4350_platform_data *adf4350_parse_dt(struct device *dev)
if (!pdata)
return NULL;
snprintf(&pdata->name[0], SPI_NAME_SIZE - 1, "%pOFn", np);
snprintf(pdata->name, sizeof(pdata->name), "%pfw", dev_fwnode(dev));
tmp = 10000;
of_property_read_u32(np, "adi,channel-spacing", &tmp);
device_property_read_u32(dev, "adi,channel-spacing", &tmp);
pdata->channel_spacing = tmp;
tmp = 0;
of_property_read_u32(np, "adi,power-up-frequency", &tmp);
device_property_read_u32(dev, "adi,power-up-frequency", &tmp);
pdata->power_up_frequency = tmp;
tmp = 0;
of_property_read_u32(np, "adi,reference-div-factor", &tmp);
device_property_read_u32(dev, "adi,reference-div-factor", &tmp);
pdata->ref_div_factor = tmp;
pdata->ref_doubler_en = of_property_read_bool(np,
"adi,reference-doubler-enable");
pdata->ref_div2_en = of_property_read_bool(np,
"adi,reference-div2-enable");
pdata->ref_doubler_en = device_property_read_bool(dev, "adi,reference-doubler-enable");
pdata->ref_div2_en = device_property_read_bool(dev, "adi,reference-div2-enable");
/* r2_user_settings */
pdata->r2_user_settings = of_property_read_bool(np,
"adi,phase-detector-polarity-positive-enable") ?
ADF4350_REG2_PD_POLARITY_POS : 0;
pdata->r2_user_settings |= of_property_read_bool(np,
"adi,lock-detect-precision-6ns-enable") ?
ADF4350_REG2_LDP_6ns : 0;
pdata->r2_user_settings |= of_property_read_bool(np,
"adi,lock-detect-function-integer-n-enable") ?
ADF4350_REG2_LDF_INT_N : 0;
pdata->r2_user_settings = 0;
if (device_property_read_bool(dev, "adi,phase-detector-polarity-positive-enable"))
pdata->r2_user_settings |= ADF4350_REG2_PD_POLARITY_POS;
if (device_property_read_bool(dev, "adi,lock-detect-precision-6ns-enable"))
pdata->r2_user_settings |= ADF4350_REG2_LDP_6ns;
if (device_property_read_bool(dev, "adi,lock-detect-function-integer-n-enable"))
pdata->r2_user_settings |= ADF4350_REG2_LDF_INT_N;
tmp = 2500;
of_property_read_u32(np, "adi,charge-pump-current", &tmp);
device_property_read_u32(dev, "adi,charge-pump-current", &tmp);
pdata->r2_user_settings |= ADF4350_REG2_CHARGE_PUMP_CURR_uA(tmp);
tmp = 0;
of_property_read_u32(np, "adi,muxout-select", &tmp);
device_property_read_u32(dev, "adi,muxout-select", &tmp);
pdata->r2_user_settings |= ADF4350_REG2_MUXOUT(tmp);
pdata->r2_user_settings |= of_property_read_bool(np,
"adi,low-spur-mode-enable") ?
ADF4350_REG2_NOISE_MODE(0x3) : 0;
if (device_property_read_bool(dev, "adi,low-spur-mode-enable"))
pdata->r2_user_settings |= ADF4350_REG2_NOISE_MODE(0x3);
/* r3_user_settings */
pdata->r3_user_settings = of_property_read_bool(np,
"adi,cycle-slip-reduction-enable") ?
ADF4350_REG3_12BIT_CSR_EN : 0;
pdata->r3_user_settings |= of_property_read_bool(np,
"adi,charge-cancellation-enable") ?
ADF4351_REG3_CHARGE_CANCELLATION_EN : 0;
pdata->r3_user_settings |= of_property_read_bool(np,
"adi,anti-backlash-3ns-enable") ?
ADF4351_REG3_ANTI_BACKLASH_3ns_EN : 0;
pdata->r3_user_settings |= of_property_read_bool(np,
"adi,band-select-clock-mode-high-enable") ?
ADF4351_REG3_BAND_SEL_CLOCK_MODE_HIGH : 0;
pdata->r3_user_settings = 0;
if (device_property_read_bool(dev, "adi,cycle-slip-reduction-enable"))
pdata->r3_user_settings |= ADF4350_REG3_12BIT_CSR_EN;
if (device_property_read_bool(dev, "adi,charge-cancellation-enable"))
pdata->r3_user_settings |= ADF4351_REG3_CHARGE_CANCELLATION_EN;
if (device_property_read_bool(dev, "adi,anti-backlash-3ns-enable"))
pdata->r3_user_settings |= ADF4351_REG3_ANTI_BACKLASH_3ns_EN;
if (device_property_read_bool(dev, "adi,band-select-clock-mode-high-enable"))
pdata->r3_user_settings |= ADF4351_REG3_BAND_SEL_CLOCK_MODE_HIGH;
tmp = 0;
of_property_read_u32(np, "adi,12bit-clk-divider", &tmp);
device_property_read_u32(dev, "adi,12bit-clk-divider", &tmp);
pdata->r3_user_settings |= ADF4350_REG3_12BIT_CLKDIV(tmp);
tmp = 0;
of_property_read_u32(np, "adi,clk-divider-mode", &tmp);
device_property_read_u32(dev, "adi,clk-divider-mode", &tmp);
pdata->r3_user_settings |= ADF4350_REG3_12BIT_CLKDIV_MODE(tmp);
/* r4_user_settings */
pdata->r4_user_settings = of_property_read_bool(np,
"adi,aux-output-enable") ?
ADF4350_REG4_AUX_OUTPUT_EN : 0;
pdata->r4_user_settings |= of_property_read_bool(np,
"adi,aux-output-fundamental-enable") ?
ADF4350_REG4_AUX_OUTPUT_FUND : 0;
pdata->r4_user_settings |= of_property_read_bool(np,
"adi,mute-till-lock-enable") ?
ADF4350_REG4_MUTE_TILL_LOCK_EN : 0;
pdata->r4_user_settings = 0;
if (device_property_read_bool(dev, "adi,aux-output-enable"))
pdata->r4_user_settings |= ADF4350_REG4_AUX_OUTPUT_EN;
if (device_property_read_bool(dev, "adi,aux-output-fundamental-enable"))
pdata->r4_user_settings |= ADF4350_REG4_AUX_OUTPUT_FUND;
if (device_property_read_bool(dev, "adi,mute-till-lock-enable"))
pdata->r4_user_settings |= ADF4350_REG4_MUTE_TILL_LOCK_EN;
tmp = 0;
of_property_read_u32(np, "adi,output-power", &tmp);
device_property_read_u32(dev, "adi,output-power", &tmp);
pdata->r4_user_settings |= ADF4350_REG4_OUTPUT_PWR(tmp);
tmp = 0;
of_property_read_u32(np, "adi,aux-output-power", &tmp);
device_property_read_u32(dev, "adi,aux-output-power", &tmp);
pdata->r4_user_settings |= ADF4350_REG4_AUX_OUTPUT_PWR(tmp);
return pdata;
}
#else
static
struct adf4350_platform_data *adf4350_parse_dt(struct device *dev)
{
return NULL;
}
#endif
static int adf4350_probe(struct spi_device *spi)
{
@ -496,7 +477,7 @@ static int adf4350_probe(struct spi_device *spi)
struct clk *clk = NULL;
int ret;
if (spi->dev.of_node) {
if (dev_fwnode(&spi->dev)) {
pdata = adf4350_parse_dt(&spi->dev);
if (pdata == NULL)
return -EINVAL;
@ -625,7 +606,7 @@ MODULE_DEVICE_TABLE(spi, adf4350_id);
static struct spi_driver adf4350_driver = {
.driver = {
.name = "adf4350",
.of_match_table = of_match_ptr(adf4350_of_match),
.of_match_table = adf4350_of_match,
},
.probe = adf4350_probe,
.remove = adf4350_remove,