Bluetooth: hci_qca: Add support for Qualcomm Bluetooth chip wcn3990

Add support to set voltage/current of various regulators
to power up/down Bluetooth chip wcn3990.

Signed-off-by: Balakrishna Godavarthi <[email protected]>
Reviewed-by: Matthias Kaehlcke <[email protected]>
Signed-off-by: Marcel Holtmann <[email protected]>

Author: bgodavar

drivers/bluetooth/btqca.h

@@ -37,6 +37,9 @@
 #define EDL_TAG_ID_HCI			(17)
 #define EDL_TAG_ID_DEEP_SLEEP		(27)
 
+#define QCA_WCN3990_POWERON_PULSE	0xFC
+#define QCA_WCN3990_POWEROFF_PULSE	0xC0
+
 enum qca_bardrate {
 	QCA_BAUDRATE_115200 	= 0,
 	QCA_BAUDRATE_57600,