#define SC18IS602_MODE_CLOCK_DIV_128 0x3
struct sc18is602 {
- struct spi_master *master;
+ struct spi_controller *host;
struct device *dev;
u8 ctrl;
u32 freq;
return 0;
}
-static int sc18is602_transfer_one(struct spi_master *master,
+static int sc18is602_transfer_one(struct spi_controller *host,
struct spi_message *m)
{
- struct sc18is602 *hw = spi_master_get_devdata(master);
+ struct sc18is602 *hw = spi_controller_get_devdata(host);
struct spi_device *spi = m->spi;
struct spi_transfer *t;
int status = 0;
spi_transfer_delay_exec(t);
}
m->status = status;
- spi_finalize_current_message(master);
+ spi_finalize_current_message(host);
return status;
}
static int sc18is602_setup(struct spi_device *spi)
{
- struct sc18is602 *hw = spi_master_get_devdata(spi->master);
+ struct sc18is602 *hw = spi_controller_get_devdata(spi->controller);
/* SC18IS602 does not support CS2 */
if (hw->id == sc18is602 && (spi_get_chipselect(spi, 0) == 2))
struct device_node *np = dev->of_node;
struct sc18is602_platform_data *pdata = dev_get_platdata(dev);
struct sc18is602 *hw;
- struct spi_master *master;
+ struct spi_controller *host;
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C |
I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
return -EINVAL;
- master = devm_spi_alloc_master(dev, sizeof(struct sc18is602));
- if (!master)
+ host = devm_spi_alloc_host(dev, sizeof(struct sc18is602));
+ if (!host)
return -ENOMEM;
- hw = spi_master_get_devdata(master);
+ hw = spi_controller_get_devdata(host);
i2c_set_clientdata(client, hw);
/* assert reset and then release */
return PTR_ERR(hw->reset);
gpiod_set_value_cansleep(hw->reset, 0);
- hw->master = master;
+ hw->host = host;
hw->client = client;
hw->dev = dev;
hw->ctrl = 0xff;
switch (hw->id) {
case sc18is602:
case sc18is602b:
- master->num_chipselect = 4;
+ host->num_chipselect = 4;
hw->freq = SC18IS602_CLOCK;
break;
case sc18is603:
- master->num_chipselect = 2;
+ host->num_chipselect = 2;
if (pdata) {
hw->freq = pdata->clock_frequency;
} else {
hw->freq = SC18IS602_CLOCK;
break;
}
- master->bus_num = np ? -1 : client->adapter->nr;
- master->mode_bits = SPI_CPHA | SPI_CPOL | SPI_LSB_FIRST;
- master->bits_per_word_mask = SPI_BPW_MASK(8);
- master->setup = sc18is602_setup;
- master->transfer_one_message = sc18is602_transfer_one;
- master->max_transfer_size = sc18is602_max_transfer_size;
- master->max_message_size = sc18is602_max_transfer_size;
- master->dev.of_node = np;
- master->min_speed_hz = hw->freq / 128;
- master->max_speed_hz = hw->freq / 4;
-
- return devm_spi_register_master(dev, master);
+ host->bus_num = np ? -1 : client->adapter->nr;
+ host->mode_bits = SPI_CPHA | SPI_CPOL | SPI_LSB_FIRST;
+ host->bits_per_word_mask = SPI_BPW_MASK(8);
+ host->setup = sc18is602_setup;
+ host->transfer_one_message = sc18is602_transfer_one;
+ host->max_transfer_size = sc18is602_max_transfer_size;
+ host->max_message_size = sc18is602_max_transfer_size;
+ host->dev.of_node = np;
+ host->min_speed_hz = hw->freq / 128;
+ host->max_speed_hz = hw->freq / 4;
+
+ return devm_spi_register_controller(dev, host);
}
static const struct i2c_device_id sc18is602_id[] = {
module_i2c_driver(sc18is602_driver);
-MODULE_DESCRIPTION("SC18IS602/603 SPI Master Driver");
+MODULE_DESCRIPTION("SC18IS602/603 SPI Host Driver");
MODULE_AUTHOR("Guenter Roeck");
MODULE_LICENSE("GPL");