#define CONFIG3_THERM 0x02
#define CONFIG4_PINFUNC 0x03
+#define CONFIG4_THERM 0x01
+#define CONFIG4_SMBALERT 0x02
#define CONFIG4_MAXDUTY 0x08
#define CONFIG4_ATTN_IN10 0x30
#define CONFIG4_ATTN_IN43 0xC0
return 0;
}
+static int load_config3(const struct i2c_client *client, const char *propname)
+{
+ const char *function;
+ u8 config3;
+ int ret;
+
+ ret = of_property_read_string(client->dev.of_node, propname, &function);
+ if (!ret) {
+ ret = adt7475_read(REG_CONFIG3);
+ if (ret < 0)
+ return ret;
+
+ config3 = ret & ~CONFIG3_SMBALERT;
+ if (!strcmp("pwm2", function))
+ ;
+ else if (!strcmp("smbalert#", function))
+ config3 |= CONFIG3_SMBALERT;
+ else
+ return -EINVAL;
+
+ return i2c_smbus_write_byte_data(client, REG_CONFIG3, config3);
+ }
+
+ return 0;
+}
+
+static int load_config4(const struct i2c_client *client, const char *propname)
+{
+ const char *function;
+ u8 config4;
+ int ret;
+
+ ret = of_property_read_string(client->dev.of_node, propname, &function);
+ if (!ret) {
+ ret = adt7475_read(REG_CONFIG4);
+ if (ret < 0)
+ return ret;
+
+ config4 = ret & ~CONFIG4_PINFUNC;
+
+ if (!strcmp("tach4", function))
+ ;
+ else if (!strcmp("therm#", function))
+ config4 |= CONFIG4_THERM;
+ else if (!strcmp("smbalert#", function))
+ config4 |= CONFIG4_SMBALERT;
+ else if (!strcmp("gpio", function))
+ config4 |= CONFIG4_PINFUNC;
+ else
+ return -EINVAL;
+
+ return i2c_smbus_write_byte_data(client, REG_CONFIG4, config4);
+ }
+
+ return 0;
+}
+
+static int load_config(const struct i2c_client *client, enum chips chip)
+{
+ int err;
+ const char *prop1, *prop2;
+
+ switch (chip) {
+ case adt7473:
+ case adt7475:
+ prop1 = "adi,pin5-function";
+ prop2 = "adi,pin9-function";
+ break;
+ case adt7476:
+ case adt7490:
+ prop1 = "adi,pin10-function";
+ prop2 = "adi,pin14-function";
+ break;
+ }
+
+ err = load_config3(client, prop1);
+ if (err) {
+ dev_err(&client->dev, "failed to configure %s\n", prop1);
+ return err;
+ }
+
+ err = load_config4(client, prop2);
+ if (err) {
+ dev_err(&client->dev, "failed to configure %s\n", prop2);
+ return err;
+ }
+
+ return 0;
+}
+
static int set_property_bit(const struct i2c_client *client, char *property,
u8 *config, u8 bit_index)
{
revision = adt7475_read(REG_DEVID2) & 0x07;
}
+ ret = load_config(client, chip);
+ if (ret)
+ return ret;
+
config3 = adt7475_read(REG_CONFIG3);
/* Pin PWM2 may alternatively be used for ALERT output */
if (!(config3 & CONFIG3_SMBALERT))