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#include <linux/spi/spi.h>
#include <linux/module.h>
#include <linux/of_platform.h>
#include <linux/regmap.h>
static const struct regmap_config simple_regmap_config = {
.max_register = 0x7f,
.reg_bits = 8,
.pad_bits = 8,
.val_bits = 16,
};
static int david_cds9k_probe(struct spi_device *spi)
{
const struct regmap_config *config;
struct regmap *regmap;
config = device_get_match_data(&spi->dev);
if (!config)
config = &simple_regmap_config;
regmap = devm_regmap_init_spi(spi, config);
if (IS_ERR(regmap))
return PTR_ERR(regmap);
return devm_of_platform_populate(&spi->dev);
}
static const struct of_device_id david_cds9k_of_match[] = {
{ .compatible = "david,cds9k" },
{}
};
MODULE_DEVICE_TABLE(of, david_cds9k_of_match);
static struct spi_driver david_cds9k_spi_driver = {
.probe = david_cds9k_probe,
.driver = {
.name = "david_cds9k",
.of_match_table = david_cds9k_of_match,
},
};
module_spi_driver(david_cds9k_spi_driver);
MODULE_AUTHOR("David Phillips <david@yeah.nah.nz>");
MODULE_DESCRIPTION("MFD driver for the CDS9K board controller");
MODULE_LICENSE("GPL v2");
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