static int adis16400_probe(struct spi_device *spi)
{
struct adis16400_state *st;
struct iio_dev *indio_dev;
int ret;
indio_dev = iio_device_alloc(sizeof(*st));
if (indio_dev == NULL)
return -ENOMEM;
st = iio_priv(indio_dev);
/* this is only used for removal purposes */
spi_set_drvdata(spi, indio_dev);
/* setup the industrialio driver allocated elements */
st->variant = &adis16400_chips[spi_get_device_id(spi)->driver_data];
indio_dev->dev.parent = &spi->dev;
indio_dev->name = spi_get_device_id(spi)->name;
indio_dev->channels = st->variant->channels;
indio_dev->num_channels = st->variant->num_channels;
indio_dev->info = &adis16400_info;
indio_dev->modes = INDIO_DIRECT_MODE;
if (!(st->variant->flags & ADIS16400_NO_BURST))
indio_dev->available_scan_masks = adis16400_burst_scan_mask;
ret = adis_init(&st->adis, indio_dev, spi, &adis16400_data);
if (ret)
goto error_free_dev;
ret = adis_setup_buffer_and_trigger(&st->adis, indio_dev,
adis16400_trigger_handler);
if (ret)
goto error_free_dev;
/* Get the device into a sane initial state */
ret = adis16400_initial_setup(indio_dev);
if (ret)
goto error_cleanup_buffer;
ret = iio_device_register(indio_dev);
if (ret)
goto error_cleanup_buffer;
adis16400_debugfs_init(indio_dev);
return 0;
error_cleanup_buffer:
adis_cleanup_buffer_and_trigger(&st->adis, indio_dev);
error_free_dev:
iio_device_free(indio_dev);
return ret;
}
static int ak4104_spi_probe(struct spi_device *spi)
{
struct ak4104_private *ak4104;
struct gpio_desc *reset_gpiod;
unsigned int val;
int ret;
spi->bits_per_word = 8;
spi->mode = SPI_MODE_0;
ret = spi_setup(spi);
if (ret < 0)
return ret;
ak4104 = devm_kzalloc(&spi->dev, sizeof(struct ak4104_private),
GFP_KERNEL);
if (ak4104 == NULL)
return -ENOMEM;
ak4104->regulator = devm_regulator_get(&spi->dev, "vdd");
if (IS_ERR(ak4104->regulator)) {
ret = PTR_ERR(ak4104->regulator);
dev_err(&spi->dev, "Unable to get Vdd regulator: %d\n", ret);
return ret;
}
ak4104->regmap = devm_regmap_init_spi(spi, &ak4104_regmap);
if (IS_ERR(ak4104->regmap)) {
ret = PTR_ERR(ak4104->regmap);
return ret;
}
reset_gpiod = devm_gpiod_get_optional(&spi->dev, "reset",
GPIOD_OUT_HIGH);
if (IS_ERR(reset_gpiod) &&
PTR_ERR(reset_gpiod) == -EPROBE_DEFER)
return -EPROBE_DEFER;
/* read the 'reserved' register - according to the datasheet, it
* should contain 0x5b. Not a good way to verify the presence of
* the device, but there is no hardware ID register. */
ret = regmap_read(ak4104->regmap, AK4104_REG_RESERVED, &val);
if (ret != 0)
return ret;
if (val != AK4104_RESERVED_VAL)
return -ENODEV;
spi_set_drvdata(spi, ak4104);
ret = devm_snd_soc_register_component(&spi->dev,
&soc_component_device_ak4104, &ak4104_dai, 1);
return ret;
}
static int corgi_lcd_probe(struct spi_device *spi)
{
struct backlight_properties props;
struct corgi_lcd_platform_data *pdata = dev_get_platdata(&spi->dev);
struct corgi_lcd *lcd;
int ret = 0;
if (pdata == NULL) {
dev_err(&spi->dev, "platform data not available\n");
return -EINVAL;
}
lcd = devm_kzalloc(&spi->dev, sizeof(struct corgi_lcd), GFP_KERNEL);
if (!lcd)
return -ENOMEM;
lcd->spi_dev = spi;
lcd->lcd_dev = devm_lcd_device_register(&spi->dev, "corgi_lcd",
&spi->dev, lcd, &corgi_lcd_ops);
if (IS_ERR(lcd->lcd_dev))
return PTR_ERR(lcd->lcd_dev);
lcd->power = FB_BLANK_POWERDOWN;
lcd->mode = (pdata) ? pdata->init_mode : CORGI_LCD_MODE_VGA;
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = pdata->max_intensity;
lcd->bl_dev = devm_backlight_device_register(&spi->dev, "corgi_bl",
&spi->dev, lcd, &corgi_bl_ops,
&props);
if (IS_ERR(lcd->bl_dev))
return PTR_ERR(lcd->bl_dev);
lcd->bl_dev->props.brightness = pdata->default_intensity;
lcd->bl_dev->props.power = FB_BLANK_UNBLANK;
ret = setup_gpio_backlight(lcd, pdata);
if (ret)
return ret;
lcd->kick_battery = pdata->kick_battery;
spi_set_drvdata(spi, lcd);
corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_UNBLANK);
backlight_update_status(lcd->bl_dev);
lcd->limit_mask = pdata->limit_mask;
the_corgi_lcd = lcd;
return 0;
}
static int __devinit sc16is7x_probe(struct spi_device *spi)
{
struct sc16is7x_platform_data *pdata;
struct sc16is7x_chip *chip;
int res = 0;
spi->mode = SPI_MODE_0;
spi->bits_per_word = 8;
spi_setup(spi);
printk(KERN_INFO "SC16IS7X: Probe Called...\n");
pdata = spi->dev.platform_data;
if (pdata == NULL) {
dev_err(&spi->dev, "No platform data...\n");
return -EINVAL;
}
chip = kzalloc(sizeof(struct sc16is7x_chip), GFP_KERNEL);
if (!chip)
return -ENOMEM;
spi_set_drvdata(spi, chip);
chip->spi_dev = spi;
chip->base = pdata->gpio_base;
chip->names = pdata->names;
sc16is7x_setup_gpio(chip,8);
res = sc16is7x_read_reg(chip, SC16IS7X_STATE, &chip->reg_state);
if (res)
goto failed;
res = sc16is7x_read_reg(chip, SC16IS7X_DIRECTION, &chip->reg_direction);
if (res)
goto failed;
res = gpiochip_add(&chip->gpio_chip);
if (res) {
dev_err(&chip->spi_dev->dev, "failed adding gpios\n");
goto failed;
}
if (pdata->setup) {
res = pdata->setup(spi,chip->gpio_chip.base, chip->gpio_chip.ngpio, pdata->context);
}
return 0;
failed:
kfree(chip);
return res;
}
static int __devinit pmic_probe(struct spi_device *spi)
{
struct tps6524x *hw;
struct device *dev = &spi->dev;
const struct supply_info *info = supply_info;
struct regulator_init_data *init_data;
int ret = 0, i;
init_data = dev->platform_data;
if (!init_data) {
dev_err(dev, "could not find regulator platform data\n");
return -EINVAL;
}
hw = kzalloc(sizeof(struct tps6524x), GFP_KERNEL);
if (!hw) {
dev_err(dev, "cannot allocate regulator private data\n");
return -ENOMEM;
}
spi_set_drvdata(spi, hw);
memset(hw, 0, sizeof(struct tps6524x));
hw->dev = dev;
hw->spi = spi_dev_get(spi);
mutex_init(&hw->lock);
for (i = 0; i < N_REGULATORS; i++, info++, init_data++) {
hw->desc[i].name = info->name;
hw->desc[i].id = i;
hw->desc[i].n_voltages = info->n_voltages;
hw->desc[i].ops = ®ulator_ops;
hw->desc[i].type = REGULATOR_VOLTAGE;
hw->desc[i].owner = THIS_MODULE;
if (info->flags & FIXED_VOLTAGE)
hw->desc[i].n_voltages = 1;
hw->rdev[i] = regulator_register(&hw->desc[i], dev,
init_data, hw);
if (IS_ERR(hw->rdev[i])) {
ret = PTR_ERR(hw->rdev[i]);
hw->rdev[i] = NULL;
goto fail;
}
}
return 0;
fail:
pmic_remove(spi);
return ret;
}
void v4l2_spi_subdev_init(struct v4l2_subdev *sd, struct spi_device *spi,
const struct v4l2_subdev_ops *ops)
{
v4l2_subdev_init(sd, ops);
sd->flags |= V4L2_SUBDEV_FL_IS_SPI;
/* the owner is the same as the spi_device's driver owner */
sd->owner = spi->dev.driver->owner;
/* spi_device and v4l2_subdev point to one another */
v4l2_set_subdevdata(sd, spi);
spi_set_drvdata(spi, sd);
/* initialize name */
strlcpy(sd->name, spi->dev.driver->name, sizeof(sd->name));
}
void v4l2_spi_subdev_init(struct v4l2_subdev *sd, struct spi_device *spi,
const struct v4l2_subdev_ops *ops)
{
v4l2_subdev_init(sd, ops);
sd->flags |= V4L2_SUBDEV_FL_IS_SPI;
sd->owner = spi->dev.driver->owner;
v4l2_set_subdevdata(sd, spi);
spi_set_drvdata(spi, sd);
strlcpy(sd->name, spi->dev.driver->name, sizeof(sd->name));
}
static int ds3234_probe(struct spi_device *spi)
{
struct rtc_device *rtc;
unsigned char tmp;
int res;
spi->mode = SPI_MODE_3;
spi->bits_per_word = 8;
spi_setup(spi);
res = ds3234_get_reg(&spi->dev, DS3234_REG_SECONDS, &tmp);
if (res != 0)
return res;
/* Control settings
*
* CONTROL_REG
* BIT 7 6 5 4 3 2 1 0
* EOSC BBSQW CONV RS2 RS1 INTCN A2IE A1IE
*
* 0 0 0 1 1 1 0 0
*
* CONTROL_STAT_REG
* BIT 7 6 5 4 3 2 1 0
* OSF BB32kHz CRATE1 CRATE0 EN32kHz BSY A2F A1F
*
* 1 0 0 0 1 0 0 0
*/
ds3234_get_reg(&spi->dev, DS3234_REG_CONTROL, &tmp);
ds3234_set_reg(&spi->dev, DS3234_REG_CONTROL, tmp & 0x1c);
ds3234_get_reg(&spi->dev, DS3234_REG_CONT_STAT, &tmp);
ds3234_set_reg(&spi->dev, DS3234_REG_CONT_STAT, tmp & 0x88);
/* Print our settings */
ds3234_get_reg(&spi->dev, DS3234_REG_CONTROL, &tmp);
dev_info(&spi->dev, "Control Reg: 0x%02x\n", tmp);
ds3234_get_reg(&spi->dev, DS3234_REG_CONT_STAT, &tmp);
dev_info(&spi->dev, "Ctrl/Stat Reg: 0x%02x\n", tmp);
rtc = devm_rtc_device_register(&spi->dev, "ds3234",
&ds3234_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc))
return PTR_ERR(rtc);
spi_set_drvdata(spi, rtc);
return 0;
}
static int __devinit cs4271_spi_probe(struct spi_device *spi)
{
struct cs4271_private *cs4271;
cs4271 = devm_kzalloc(&spi->dev, sizeof(*cs4271), GFP_KERNEL);
if (!cs4271)
return -ENOMEM;
spi_set_drvdata(spi, cs4271);
cs4271->bus_type = SND_SOC_SPI;
return snd_soc_register_codec(&spi->dev, &soc_codec_dev_cs4271,
&cs4271_dai, 1);
}
static int pmic_remove(struct spi_device *spi)
{
struct tps6524x *hw = spi_get_drvdata(spi);
int i;
if (!hw)
return 0;
for (i = 0; i < N_REGULATORS; i++) {
regulator_unregister(hw->rdev[i]);
hw->rdev[i] = NULL;
}
spi_set_drvdata(spi, NULL);
return 0;
}
static void gspi_dvobj_deinit(struct spi_device *spi)
{
struct dvobj_priv *dvobj = spi_get_drvdata(spi);
_func_enter_;
spi_set_drvdata(spi, NULL);
if (dvobj) {
gspi_deinit(dvobj);
rtw_mfree((u8*)dvobj, sizeof(*dvobj));
}
_func_exit_;
}
static int adis16136_probe(struct spi_device *spi)
{
const struct spi_device_id *id = spi_get_device_id(spi);
struct adis16136 *adis16136;
struct iio_dev *indio_dev;
int ret;
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adis16136));
if (indio_dev == NULL)
return -ENOMEM;
spi_set_drvdata(spi, indio_dev);
adis16136 = iio_priv(indio_dev);
adis16136->chip_info = &adis16136_chip_info[id->driver_data];
indio_dev->dev.parent = &spi->dev;
indio_dev->name = spi_get_device_id(spi)->name;
indio_dev->channels = adis16136_channels;
indio_dev->num_channels = ARRAY_SIZE(adis16136_channels);
indio_dev->info = &adis16136_info;
indio_dev->modes = INDIO_DIRECT_MODE;
ret = adis_init(&adis16136->adis, indio_dev, spi, &adis16136_data);
if (ret)
return ret;
ret = adis_setup_buffer_and_trigger(&adis16136->adis, indio_dev, NULL);
if (ret)
return ret;
ret = adis16136_initial_setup(indio_dev);
if (ret)
goto error_cleanup_buffer;
ret = iio_device_register(indio_dev);
if (ret)
goto error_stop_device;
adis16136_debugfs_init(indio_dev);
return 0;
error_stop_device:
adis16136_stop_device(indio_dev);
error_cleanup_buffer:
adis_cleanup_buffer_and_trigger(&adis16136->adis, indio_dev);
return ret;
}
static int ad7606_spi_probe(struct spi_device *spi)
{
struct iio_dev *indio_dev;
indio_dev = ad7606_probe(&spi->dev, spi->irq, NULL,
spi_get_device_id(spi)->driver_data,
&ad7606_spi_bops);
if (IS_ERR(indio_dev))
return PTR_ERR(indio_dev);
spi_set_drvdata(spi, indio_dev);
return 0;
}
static int __devinit dit4192_spi_probe(struct spi_device *spi)
{
int ret;
struct dit4192 *chip;
struct dit4192_platform_data *pdata;
if (spi->dev.platform_data == NULL) {
pr_err("%s: platform data is missing\n", __func__);
return -EINVAL;
}
pdata = (struct dit4192_platform_data *)spi->dev.platform_data;
gl_chip = chip = devm_kzalloc(&spi->dev, sizeof(struct dit4192), GFP_KERNEL);
if (!chip)
return -ENOMEM;
pr_info("%s(): \n" , __func__);
chip->spi = spi;
chip->buf_int = pdata->gpio_buf_flip_int;
chip->ubit_pin = pdata->gpio_u_bits;
chip->bls_pin = pdata->gpio_bls;
chip->reset_pin = pdata->gpio_reset;
spi_set_drvdata(spi, chip);
ret = dit4192_gpio_init(chip);
if( ret < 0 ) {
return ret;
}
dit4192_poweron(chip);
ret = dit4192_check_device(chip);
if (ret < 0) {
dit4192_gpio_free(chip);
return ret;
}
/* send initial values */
dit4192_init(chip);
ret = snd_soc_register_codec( &spi->dev,
&soc_codec_dev_dit4192,
dit4192_dai,
ARRAY_SIZE(dit4192_dai));
return 0;
}
static int __init ab4500_probe(struct spi_device *spi)
{
struct ab4500 *ab4500;
unsigned char revision;
int err = 0;
int i;
ab4500 = kzalloc(sizeof *ab4500, GFP_KERNEL);
if (!ab4500) {
dev_err(&spi->dev, "could not allocate AB4500\n");
err = -ENOMEM;
goto not_detect;
}
ab4500->spi = spi;
spi_set_drvdata(spi, ab4500);
mutex_init(&ab4500->lock);
/* read the revision register */
revision = ab4500_read(ab4500, AB4500_MISC, AB4500_REV_REG);
/* revision id 0x0 is for early drop, 0x10 is for cut1.0 */
if (revision == 0x0 || revision == 0x10)
dev_info(&spi->dev, "Detected chip: %s, revision = %x\n",
ab4500_driver.driver.name, revision);
else {
dev_err(&spi->dev, "unknown chip: 0x%x\n", revision);
goto not_detect;
}
for (i = 0; i < ARRAY_SIZE(ab4500_platform_devs); i++) {
ab4500_platform_devs[i]->dev.parent =
&spi->dev;
platform_set_drvdata(ab4500_platform_devs[i], ab4500);
}
/* register the ab4500 platform devices */
platform_add_devices(ab4500_platform_devs,
ARRAY_SIZE(ab4500_platform_devs));
return err;
not_detect:
spi_unregister_driver(&ab4500_driver);
kfree(ab4500);
return err;
}
static int nrf905_probe(struct spi_device *spi)
{
int retval = 0;
dev_info(&spi->dev, "probe\n");
retval = spi_setup(spi);
if (retval < 0) {
dev_err(&spi->dev, "Can not setup spi device\n");
retval = -ENODEV;
goto err;
}
spi_set_drvdata(spi, nrf905_dev);
nrf905_dev->spi_dev = spi;
retval = nrf905_gpio_config(nrf905_dev);
if (retval < 0)
goto err;
retval = devm_request_irq(
nrf905_dev->char_dev,
nrf905_dev->chip.dataready_irq,
nrf905_dr_irq,
IRQF_TRIGGER_RISING,
"nrf905",
nrf905_dev);
if (retval < 0) {
dev_err(&spi->dev, "Irq request failed\n");
goto err_irq;
}
retval = nrf905_init_chip(nrf905_dev);
if (retval < 0)
goto err_init_chip;
return retval;
err_init_chip:
devm_free_irq(nrf905_dev->char_dev,
nrf905_dev->chip.dataready_irq,
nrf905_dev);
err_irq:
nrf905_gpio_release(nrf905_dev);
err:
return retval;
}
static int bma220_probe(struct spi_device *spi)
{
int ret;
struct iio_dev *indio_dev;
struct bma220_data *data;
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*data));
if (!indio_dev) {
dev_err(&spi->dev, "iio allocation failed!\n");
return -ENOMEM;
}
data = iio_priv(indio_dev);
data->spi_device = spi;
spi_set_drvdata(spi, indio_dev);
mutex_init(&data->lock);
indio_dev->dev.parent = &spi->dev;
indio_dev->info = &bma220_info;
indio_dev->name = BMA220_DEVICE_NAME;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->channels = bma220_channels;
indio_dev->num_channels = ARRAY_SIZE(bma220_channels);
indio_dev->available_scan_masks = bma220_accel_scan_masks;
ret = bma220_init(data->spi_device);
if (ret < 0)
return ret;
ret = iio_triggered_buffer_setup(indio_dev, iio_pollfunc_store_time,
bma220_trigger_handler, NULL);
if (ret < 0) {
dev_err(&spi->dev, "iio triggered buffer setup failed\n");
goto err_suspend;
}
ret = iio_device_register(indio_dev);
if (ret < 0) {
dev_err(&spi->dev, "iio_device_register failed\n");
iio_triggered_buffer_cleanup(indio_dev);
goto err_suspend;
}
return 0;
err_suspend:
return bma220_deinit(spi);
}
static int bfspi_probe( struct bfspi_device *spi) {
int status;
struct bfspi_data *bfspi;
unsigned long minor;
/* Allocate driver data */
bfspi = kzalloc(sizeof(*bfspi), GFP_KERNEL);
if (!bfspi)
return -ENOMEM;
/* Initialize the driver data */
bfspi->spi = spi;
spin_lock_init(&bfspi->spi_lock);
mutex_init(&bfspi->buf_lock);
INIT_LIST_HEAD(&bfspi->device_entry);
/* If we can allocate a minor number, hook up this device.
* Reusing minors is fine so long as udev or mdev is working.
*/
mutex_lock(&device_list_lock);
minor = find_first_zero_bit(minors, N_BFSPI_MINORS);
if (minor < N_BFSPI_MINORS) {
struct device *dev;
bfspi->devt = MKDEV(BFSPI_MAJOR, minor);
dev = device_create(bfspi_class, &spi->dev, bfspi->devt,
bfspi, "bfspi%d.%d",
spi->master->bus_num, spi->chip_select);
status = IS_ERR(dev) ? PTR_ERR(dev) : 0;
} else {
PRINTK("no minor number available!\n");
status = -ENODEV;
}
if (status == 0) {
set_bit(minor, minors);
list_add(&bfspi->device_entry, &device_list);
}
mutex_unlock(&device_list_lock);
if (status == 0)
spi_set_drvdata(spi, bfspi);
//spi->drv_data = bfspi;
else
kfree(bfspi);
return status;
}
static int pcm3060_spi_probe(struct spi_device *spi)
{
struct pcm3060_priv *priv;
priv = devm_kzalloc(&spi->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
spi_set_drvdata(spi, priv);
priv->regmap = devm_regmap_init_spi(spi, &pcm3060_regmap);
if (IS_ERR(priv->regmap))
return PTR_ERR(priv->regmap);
return pcm3060_probe(&spi->dev);
}
static int __devexit st7585_remove(struct spi_device *spi)
{
struct st7585_data *drvdata = spi_get_drvdata(spi);
spin_lock_irq(&drvdata->lock);
drvdata->spi = NULL;
spi_set_drvdata(spi, NULL);
if (drvdata->info) {
unregister_framebuffer(drvdata->info);
fb_deferred_io_cleanup(drvdata->info);
framebuffer_release(drvdata->info);
}
spin_unlock_irq(&drvdata->lock);
return 0;
}
static int __devexit st7735fb_remove(struct spi_device *spi)
{
struct fb_info *info = spi_get_drvdata(spi);
spi_set_drvdata(spi, NULL);
if (info) {
unregister_framebuffer(info);
vfree(info->screen_base);
framebuffer_release(info);
}
/* TODO: release gpios */
return 0;
}
static int cpcap_probe(struct spi_device *spi)
{
const struct of_device_id *match;
struct cpcap_ddata *cpcap;
int ret;
match = of_match_device(of_match_ptr(cpcap_of_match), &spi->dev);
if (!match)
return -ENODEV;
cpcap = devm_kzalloc(&spi->dev, sizeof(*cpcap), GFP_KERNEL);
if (!cpcap)
return -ENOMEM;
cpcap->spi = spi;
spi_set_drvdata(spi, cpcap);
spi->bits_per_word = 16;
spi->mode = SPI_MODE_0 | SPI_CS_HIGH;
ret = spi_setup(spi);
if (ret)
return ret;
cpcap->regmap_conf = &cpcap_regmap_config;
cpcap->regmap = devm_regmap_init_spi(spi, &cpcap_regmap_config);
if (IS_ERR(cpcap->regmap)) {
ret = PTR_ERR(cpcap->regmap);
dev_err(&cpcap->spi->dev, "Failed to initialize regmap: %d\n",
ret);
return ret;
}
ret = cpcap_check_revision(cpcap);
if (ret) {
dev_err(&cpcap->spi->dev, "Failed to detect CPCAP: %i\n", ret);
return ret;
}
ret = cpcap_init_irq(cpcap);
if (ret)
return ret;
return devm_mfd_add_devices(&spi->dev, 0, cpcap_mfd_devices,
ARRAY_SIZE(cpcap_mfd_devices), NULL, 0, NULL);
}
static int cros_ec_spi_probe(struct spi_device *spi)
{
struct device *dev = &spi->dev;
struct cros_ec_device *ec_dev;
struct cros_ec_spi *ec_spi;
int err;
spi->bits_per_word = 8;
spi->mode = SPI_MODE_0;
err = spi_setup(spi);
if (err < 0)
return err;
ec_spi = devm_kzalloc(dev, sizeof(*ec_spi), GFP_KERNEL);
if (ec_spi == NULL)
return -ENOMEM;
ec_spi->spi = spi;
ec_dev = devm_kzalloc(dev, sizeof(*ec_dev), GFP_KERNEL);
if (!ec_dev)
return -ENOMEM;
/* Check for any DT properties */
cros_ec_spi_dt_probe(ec_spi, dev);
spi_set_drvdata(spi, ec_dev);
ec_dev->dev = dev;
ec_dev->priv = ec_spi;
ec_dev->irq = spi->irq;
ec_dev->cmd_xfer = cros_ec_cmd_xfer_spi;
ec_dev->pkt_xfer = cros_ec_pkt_xfer_spi;
ec_dev->phys_name = dev_name(&ec_spi->spi->dev);
ec_dev->din_size = EC_MSG_PREAMBLE_COUNT +
sizeof(struct ec_host_response) +
sizeof(struct ec_response_get_protocol_info);
ec_dev->dout_size = sizeof(struct ec_host_request);
err = cros_ec_register(ec_dev);
if (err) {
dev_err(dev, "cannot register EC\n");
return err;
}
device_init_wakeup(&spi->dev, true);
return 0;
}
static int pmic_probe(struct spi_device *spi)
{
struct tps6524x *hw;
struct device *dev = &spi->dev;
const struct supply_info *info = supply_info;
struct regulator_init_data *init_data;
struct regulator_config config = { };
struct regulator_dev *rdev;
int i;
init_data = dev_get_platdata(dev);
if (!init_data) {
dev_err(dev, "could not find regulator platform data\n");
return -EINVAL;
}
hw = devm_kzalloc(&spi->dev, sizeof(struct tps6524x), GFP_KERNEL);
if (!hw)
return -ENOMEM;
spi_set_drvdata(spi, hw);
memset(hw, 0, sizeof(struct tps6524x));
hw->dev = dev;
hw->spi = spi;
mutex_init(&hw->lock);
for (i = 0; i < N_REGULATORS; i++, info++, init_data++) {
hw->desc[i].name = info->name;
hw->desc[i].id = i;
hw->desc[i].n_voltages = info->n_voltages;
hw->desc[i].volt_table = info->voltages;
hw->desc[i].ops = ®ulator_ops;
hw->desc[i].type = REGULATOR_VOLTAGE;
hw->desc[i].owner = THIS_MODULE;
config.dev = dev;
config.init_data = init_data;
config.driver_data = hw;
rdev = devm_regulator_register(dev, &hw->desc[i], &config);
if (IS_ERR(rdev))
return PTR_ERR(rdev);
}
return 0;
}
static int ak4104_spi_probe(struct spi_device *spi)
{
struct ak4104_private *ak4104;
unsigned int val;
int ret;
spi->bits_per_word = 8;
spi->mode = SPI_MODE_0;
ret = spi_setup(spi);
if (ret < 0)
return ret;
ak4104 = devm_kzalloc(&spi->dev, sizeof(struct ak4104_private),
GFP_KERNEL);
if (ak4104 == NULL)
return -ENOMEM;
ak4104->regmap = regmap_init_spi(spi, &ak4104_regmap);
if (IS_ERR(ak4104->regmap)) {
ret = PTR_ERR(ak4104->regmap);
return ret;
}
/*
*/
ret = regmap_read(ak4104->regmap, AK4104_REG_RESERVED, &val);
if (ret != 0)
goto err;
if (val != AK4104_RESERVED_VAL) {
ret = -ENODEV;
goto err;
}
spi_set_drvdata(spi, ak4104);
ret = snd_soc_register_codec(&spi->dev,
&soc_codec_device_ak4104, &ak4104_dai, 1);
if (ret != 0)
goto err;
return 0;
err:
regmap_exit(ak4104->regmap);
return ret;
}
static int st7735r_probe(struct spi_device *spi)
{
struct device *dev = &spi->dev;
struct mipi_dbi *mipi;
struct gpio_desc *dc;
u32 rotation = 0;
int ret;
mipi = devm_kzalloc(dev, sizeof(*mipi), GFP_KERNEL);
if (!mipi)
return -ENOMEM;
mipi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(mipi->reset)) {
DRM_DEV_ERROR(dev, "Failed to get gpio 'reset'\n");
return PTR_ERR(mipi->reset);
}
dc = devm_gpiod_get(dev, "dc", GPIOD_OUT_LOW);
if (IS_ERR(dc)) {
DRM_DEV_ERROR(dev, "Failed to get gpio 'dc'\n");
return PTR_ERR(dc);
}
mipi->backlight = devm_of_find_backlight(dev);
if (IS_ERR(mipi->backlight))
return PTR_ERR(mipi->backlight);
device_property_read_u32(dev, "rotation", &rotation);
ret = mipi_dbi_spi_init(spi, mipi, dc);
if (ret)
return ret;
/* Cannot read from Adafruit 1.8" display via SPI */
mipi->read_commands = NULL;
ret = mipi_dbi_init(&spi->dev, mipi, &jd_t18003_t01_pipe_funcs,
&st7735r_driver, &jd_t18003_t01_mode, rotation);
if (ret)
return ret;
spi_set_drvdata(spi, mipi);
return devm_tinydrm_register(&mipi->tinydrm);
}
static int cs4271_spi_probe(struct spi_device *spi)
{
struct cs4271_private *cs4271;
int ret;
ret = cs4271_common_probe(&spi->dev, &cs4271);
if (ret < 0)
return ret;
spi_set_drvdata(spi, cs4271);
cs4271->regmap = devm_regmap_init_spi(spi, &cs4271_spi_regmap);
if (IS_ERR(cs4271->regmap))
return PTR_ERR(cs4271->regmap);
return snd_soc_register_codec(&spi->dev, &soc_codec_dev_cs4271,
&cs4271_dai, 1);
}
static int m10mo_spi_probe(struct spi_device *spi)
{
int ret = -ENODEV;
struct m10mo_spi *m10mo_spi_dev;
struct m10mo_atomisp_spi_platform_data *pdata;
dev_dbg(&spi->dev, "Probe M10MO SPI\n");
pdata = dev_get_platdata(&spi->dev);
if (!pdata) {
dev_err(&spi->dev, "Missing platform data. Can't continue");
return -ENODEV;
}
if (!pdata->device_data) {
dev_err(&spi->dev, "Missing link to m10mo main driver. Can't continue");
return -ENODEV;
}
m10mo_spi_dev = kzalloc(sizeof(struct m10mo_spi), GFP_KERNEL);
if (!m10mo_spi_dev) {
dev_err(&spi->dev, "Can't get memory\n");
return -ENOMEM;
}
if (spi_setup(spi)) {
dev_err(&spi->dev, "failed to setup spi for m10mo_spi\n");
ret = -EINVAL;
goto err_setup;
}
spi_set_drvdata(spi, m10mo_spi_dev);
m10mo_spi_dev->spi_device = spi;
m10mo_spi_dev->read = m10mo_spi_read;
m10mo_spi_dev->write = m10mo_spi_write;
m10mo_spi_dev->spi_enabled = pdata->spi_enabled;
m10mo_register_spi_fw_flash_interface(pdata->device_data,
m10mo_spi_dev);
dev_err(&spi->dev, "m10mo_spi successfully probed\n");
return 0;
err_setup:
kfree(m10mo_spi_dev);
return ret;
}
static int wm8770_spi_probe(struct spi_device *spi)
{
struct wm8770_priv *wm8770;
int ret, i;
wm8770 = devm_kzalloc(&spi->dev, sizeof(struct wm8770_priv),
GFP_KERNEL);
if (!wm8770)
return -ENOMEM;
for (i = 0; i < ARRAY_SIZE(wm8770->supplies); i++)
wm8770->supplies[i].supply = wm8770_supply_names[i];
ret = devm_regulator_bulk_get(&spi->dev, ARRAY_SIZE(wm8770->supplies),
wm8770->supplies);
if (ret) {
dev_err(&spi->dev, "Failed to request supplies: %d\n", ret);
return ret;
}
wm8770->disable_nb[0].notifier_call = wm8770_regulator_event_0;
wm8770->disable_nb[1].notifier_call = wm8770_regulator_event_1;
wm8770->disable_nb[2].notifier_call = wm8770_regulator_event_2;
/* This should really be moved into the regulator core */
for (i = 0; i < ARRAY_SIZE(wm8770->supplies); i++) {
ret = regulator_register_notifier(wm8770->supplies[i].consumer,
&wm8770->disable_nb[i]);
if (ret) {
dev_err(&spi->dev,
"Failed to register regulator notifier: %d\n",
ret);
}
}
wm8770->regmap = devm_regmap_init_spi(spi, &wm8770_regmap);
if (IS_ERR(wm8770->regmap))
return PTR_ERR(wm8770->regmap);
spi_set_drvdata(spi, wm8770);
ret = devm_snd_soc_register_component(&spi->dev,
&soc_component_dev_wm8770, &wm8770_dai, 1);
return ret;
}
/* Bind driver to board_info using modalias "mcp3901" */
static int __devinit mcp3901_probe(struct spi_device *spi)
{
struct mcp3901_state *state;
struct mcp3901_platform_data *pdata;
pdata = spi->dev.platform_data;
if(!pdata)
return -ENODEV;
state = kzalloc(sizeof(struct mcp3901_state), GFP_KERNEL);
if(!state)
return -ENOMEM;
spi_set_drvdata(spi, state);
return 0;
}
