#define FAN53555_NVOLTAGES 64 /* Numbers of voltages */
+enum fan53555_vendor {
+ FAN53555_VENDOR_FAIRCHILD = 0,
+ FAN53555_VENDOR_SILERGY,
+};
+
/* IC Type */
enum {
FAN53555_CHIP_ID_00 = 0,
FAN53555_CHIP_ID_05,
};
+enum {
+ SILERGY_SYR82X = 8,
+};
+
struct fan53555_device_info {
+ enum fan53555_vendor vendor;
struct regmap *regmap;
struct device *dev;
struct regulator_desc desc;
.set_ramp_delay = fan53555_set_ramp,
};
+static int fan53555_voltages_setup_fairchild(struct fan53555_device_info *di)
+{
+ /* Init voltage range and step */
+ switch (di->chip_id) {
+ case FAN53555_CHIP_ID_00:
+ case FAN53555_CHIP_ID_01:
+ case FAN53555_CHIP_ID_03:
+ case FAN53555_CHIP_ID_05:
+ di->vsel_min = 600000;
+ di->vsel_step = 10000;
+ break;
+ case FAN53555_CHIP_ID_04:
+ di->vsel_min = 603000;
+ di->vsel_step = 12826;
+ break;
+ default:
+ dev_err(di->dev,
+ "Chip ID %d not supported!\n", di->chip_id);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int fan53555_voltages_setup_silergy(struct fan53555_device_info *di)
+{
+ /* Init voltage range and step */
+ switch (di->chip_id) {
+ case SILERGY_SYR82X:
+ di->vsel_min = 712500;
+ di->vsel_step = 12500;
+ break;
+ default:
+ dev_err(di->dev,
+ "Chip ID %d not supported!\n", di->chip_id);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
/* For 00,01,03,05 options:
* VOUT = 0.60V + NSELx * 10mV, from 0.60 to 1.23V.
* For 04 option:
static int fan53555_device_setup(struct fan53555_device_info *di,
struct fan53555_platform_data *pdata)
{
+ int ret = 0;
+
/* Setup voltage control register */
switch (pdata->sleep_vsel_id) {
case FAN53555_VSEL_ID_0:
dev_err(di->dev, "Invalid VSEL ID!\n");
return -EINVAL;
}
- /* Init voltage range and step */
- switch (di->chip_id) {
- case FAN53555_CHIP_ID_00:
- case FAN53555_CHIP_ID_01:
- case FAN53555_CHIP_ID_03:
- case FAN53555_CHIP_ID_05:
- di->vsel_min = 600000;
- di->vsel_step = 10000;
+
+ switch (di->vendor) {
+ case FAN53555_VENDOR_FAIRCHILD:
+ ret = fan53555_voltages_setup_fairchild(di);
break;
- case FAN53555_CHIP_ID_04:
- di->vsel_min = 603000;
- di->vsel_step = 12826;
+ case FAN53555_VENDOR_SILERGY:
+ ret = fan53555_voltages_setup_silergy(di);
break;
default:
dev_err(di->dev,
- "Chip ID[%d]\n not supported!\n", di->chip_id);
+ "vendor %d not supported!\n", di->chip_id);
return -EINVAL;
}
- return 0;
+ return ret;
}
static int fan53555_regulator_register(struct fan53555_device_info *di,
static const struct of_device_id fan53555_dt_ids[] = {
{
.compatible = "fcs,fan53555",
+ .data = (void *)FAN53555_VENDOR_FAIRCHILD
+ }, {
+ .compatible = "silergy,syr827",
+ .data = (void *)FAN53555_VENDOR_SILERGY,
+ }, {
+ .compatible = "silergy,syr828",
+ .data = (void *)FAN53555_VENDOR_SILERGY,
},
{ }
};
if (!di)
return -ENOMEM;
- if (!client->dev.of_node) {
+ if (client->dev.of_node) {
+ const struct of_device_id *match;
+
+ match = of_match_device(of_match_ptr(fan53555_dt_ids),
+ &client->dev);
+ if (!match)
+ return -ENODEV;
+
+ di->vendor = (int) match->data;
+ } else {
/* if no ramp constraint set, get the pdata ramp_delay */
if (!di->regulator->constraints.ramp_delay) {
int slew_idx = (pdata->slew_rate & 0x7)
di->regulator->constraints.ramp_delay
= slew_rates[slew_idx];
}
+
+ di->vendor = id->driver_data;
}
di->regmap = devm_regmap_init_i2c(client, &fan53555_regmap_config);
}
static const struct i2c_device_id fan53555_id[] = {
- {"fan53555", -1},
+ {
+ .name = "fan53555",
+ .driver_data = FAN53555_VENDOR_FAIRCHILD
+ }, {
+ .name = "syr82x",
+ .driver_data = FAN53555_VENDOR_SILERGY
+ },
{ },
};