-#define LEDAON (0x1UL << 0)
-#define LEDBON (0x1UL << 1)
-#define LEDAPWM (0x1UL << 4)
-#define LEDBPWM (0x1UL << 5)
+#define LEDAON BIT0
+#define LEDBON BIT1
+#define LEDAPWM BIT4
+#define LEDBPWM BIT5
+
+// RTC registers
+#define SECONDS_REG 0x1C
+#define MINUTES_REG 0x1D
+#define HOURS_REG 0x1E
+#define DAYS_REG 0x1F
+#define MONTHS_REG 0x20
+#define YEARS_REG 0x21
+#define WEEKS_REG 0x22
+#define RTC_CTRL_REG 0x29
+
+// USB PHY power
+#define VAUX2_DEDICATED 0x79
+#define VAUX2_DEV_GRP 0x76
+
+#define VAUX_DEV_GRP_P1 0x20
+#define VAUX_DEDICATED_18V 0x05