bdk: bq24193: add version check

bdk/power/bq24193.c

@@ -1,7 +1,7 @@
 /*
  * Battery charger driver for Nintendo Switch's TI BQ24193
  *
- * Copyright (c) 2018 CTCaer
+ * Copyright (c) 2018-2025 CTCaer
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -25,6 +25,18 @@ static u8 bq24193_get_reg(u8 reg)
 	return i2c_recv_byte(I2C_1, BQ24193_I2C_ADDR, reg);
 }
 
+int bq24193_get_version(u32 *value)
+{
+	u16 data = bq24193_get_reg(BQ24193_VendorPart);
+	if (value)
+		*value = data;
+
+	if (data == 0x2F)
+		return 0;
+	else
+		return -1;
+}
+
 int bq24193_get_property(enum BQ24193_reg_prop prop, int *value)
 {
 	u8 data;

bdk/power/bq24193.h

@@ -114,7 +114,8 @@ enum BQ24193_reg_prop {
 	BQ24193_ProductNumber,          // REG A.
 };
 
-int bq24193_get_property(enum BQ24193_reg_prop prop, int *value);
+int  bq24193_get_version(u32 *value);
+int  bq24193_get_property(enum BQ24193_reg_prop prop, int *value);
 void bq24193_enable_charger();
 void bq24193_fake_battery_removal();