1# SPDX-License-Identifier: GPL-2.0-only 2 3menuconfig POWER_SEQUENCING 4 tristate "Power Sequencing support" 5 help 6 Say Y here to enable the Power Sequencing subsystem. 7 8 This subsystem is designed to control power to devices that share 9 complex resources and/or require specific power sequences to be run 10 during power-up. 11 12 If unsure, say no. 13 14if POWER_SEQUENCING 15 16config POWER_SEQUENCING_QCOM_WCN 17 tristate "Qualcomm WCN family PMU driver" 18 default m if ARCH_QCOM 19 help 20 Say Y here to enable the power sequencing driver for Qualcomm 21 WCN Bluetooth/WLAN chipsets. 22 23 Typically, a package from the Qualcomm WCN family contains the BT 24 and WLAN modules whose power is controlled by the PMU module. As the 25 former two share the power-up sequence which is executed by the PMU, 26 this driver is needed for correct power control or else we'd risk not 27 respecting the required delays between enabling Bluetooth and WLAN. 28 29endif 30