2024-09-09 08:52:07 +00:00
|
|
|
* Bluetooth Controller
|
|
|
|
|
Bluetooth controller communicates with the Bluetooth Host using HCI Transport layer.
|
|
|
|
|
HCI Transport layer can be based on UART or USB serial communication protocol.
|
|
|
|
|
|
|
|
|
|
Required properties:
|
2024-09-09 08:57:42 +00:00
|
|
|
- compatible: Should be set to one of the following:
|
|
|
|
|
qca,ar3002
|
|
|
|
|
qca,qca6174
|
2024-09-09 08:52:07 +00:00
|
|
|
- qca,bt-reset-gpio: GPIO pin to bring BT Controller out of reset
|
|
|
|
|
|
|
|
|
|
Optional properties:
|
2024-09-09 08:57:42 +00:00
|
|
|
- qca,bt-vdd-pa-supply: Bluetooth VDD PA regulator handle
|
|
|
|
|
- qca,bt-vdd-io-supply: Bluetooth VDD IO regulator handle
|
|
|
|
|
- qca,bt-vdd-ldo-supply: Bluetooth VDD LDO regulator handle. Kept under optional parameters
|
2024-09-09 08:52:07 +00:00
|
|
|
as some of the chipsets doesn't require ldo or it may use from same vddio.
|
2024-09-09 08:57:42 +00:00
|
|
|
- qca,bt-vdd-xtal-supply: Bluetooth VDD XTAL regulator handle
|
|
|
|
|
- qca,bt-vdd-core-supply: Bluetooth VDD CORE regulator handle
|
2024-09-09 08:52:07 +00:00
|
|
|
- qca,bt-chip-pwd-supply: Chip power down gpio is required when bluetooth module
|
|
|
|
|
and other modules like wifi co-exist in a singe chip and shares a
|
|
|
|
|
common gpio to bring chip out of reset.
|
2024-09-09 08:57:42 +00:00
|
|
|
|
|
|
|
|
- qca,bt-vdd-pa-voltage-level: specifies VDD PA voltage levels for supply.
|
|
|
|
|
Should be specified in pairs (min, max), units uV
|
|
|
|
|
- qca,bt-vdd-io-voltage-level: specifies VDD IO voltage levels for supply.
|
|
|
|
|
Should be specified in pairs (min, max), units uV
|
|
|
|
|
- qca,bt-vdd-ldo-voltage-level: specifies VDD LDO voltage levels for supply.
|
|
|
|
|
Should be specified in pairs (min, max), units uV
|
|
|
|
|
- qca,bt-vdd-xtal-voltage-level: specifies VDD XTAL voltage levels for supply.
|
|
|
|
|
Should be specified in pairs (min, max), units uV
|
|
|
|
|
- qca,bt-vdd-core-voltage-level: specifies VDD CORE voltage levels for supply.
|
|
|
|
|
Should be specified in pairs (min, max), units uV
|
2024-09-09 08:52:07 +00:00
|
|
|
|
|
|
|
|
Example:
|
|
|
|
|
bt-ar3002 {
|
|
|
|
|
compatible = "qca,ar3002";
|
|
|
|
|
qca,bt-reset-gpio = <&pm8941_gpios 34 0>;
|
|
|
|
|
qca,bt-vdd-io-supply = <&pm8941_s3>;
|
|
|
|
|
qca,bt-vdd-pa-supply = <&pm8941_l19>;
|
2024-09-09 08:57:42 +00:00
|
|
|
qca,bt-vdd-xtal-supply = <&pm8994_l30>;
|
|
|
|
|
qca,bt-vdd-core-supply = <&pm8994_s3>;
|
2024-09-09 08:52:07 +00:00
|
|
|
qca,bt-chip-pwd-supply = <&ath_chip_pwd_l>;
|
2024-09-09 08:57:42 +00:00
|
|
|
qca,bt-vdd-io-voltage-level = <1800000 1800000>;
|
|
|
|
|
qca,bt-vdd-pa-voltage-level = <2900000 2900000>;
|
|
|
|
|
qca,bt-vdd-xtal-voltage-level = <1800000 1800000>;
|
|
|
|
|
qca,bt-vdd-core-voltage-level = <1300000 1300000>;
|
2024-09-09 08:52:07 +00:00
|
|
|
};
|
