regulator: rt6160: Add rt6166 vout min_uV setting for compatible

1. remove unintentional GPL change
2. using switch case for Device ID probe check.

Signed-off-by: Jeff Chang <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: jeffchang-richtek

drivers/regulator/rt6160-regulator.c

@@ -31,8 +31,11 @@
 #define RT6160_PGSTAT_MASK	BIT(0)
 
 #define RT6160_VENDOR_ID	0xA0
+#define RT6166_VENDOR_ID	0xB0
 #define RT6160_VOUT_MINUV	2025000
 #define RT6160_VOUT_MAXUV	5200000
+#define RT6166_VOUT_MINUV	1800000
+#define RT6166_VOUD_MAXUV	4950000
 #define RT6160_VOUT_STPUV	25000
 #define RT6160_N_VOUTS		((RT6160_VOUT_MAXUV - RT6160_VOUT_MINUV) / RT6160_VOUT_STPUV + 1)
 
@@ -43,6 +46,7 @@ struct rt6160_priv {
 	struct gpio_desc *enable_gpio;
 	struct regmap *regmap;
 	bool enable_state;
+	uint8_t devid;
 };
 
 static const unsigned int rt6160_ramp_tables[] = {
@@ -260,15 +264,26 @@ static int rt6160_probe(struct i2c_client *i2c)
 	if (ret)
 		return ret;
 
-	if ((devid & RT6160_VID_MASK) != RT6160_VENDOR_ID) {
+	devid = devid & RT6160_VID_MASK;
+
+	switch (devid) {
+	case RT6166_VENDOR_ID:
+	case RT6160_VENDOR_ID:
+		break;
+	default:
 		dev_err(&i2c->dev, "VID not correct [0x%02x]\n", devid);
 		return -ENODEV;
 	}
 
+	priv->devid = devid;
+
 	priv->desc.name = "rt6160-buckboost";
 	priv->desc.type = REGULATOR_VOLTAGE;
 	priv->desc.owner = THIS_MODULE;
-	priv->desc.min_uV = RT6160_VOUT_MINUV;
+	if (priv->devid == RT6166_VENDOR_ID)
+		priv->desc.min_uV = RT6166_VOUT_MINUV;
+	else
+		priv->desc.min_uV = RT6160_VOUT_MINUV;
 	priv->desc.uV_step = RT6160_VOUT_STPUV;
 	if (vsel_active_low)
 		priv->desc.vsel_reg = RT6160_REG_VSELL;