30 lines · plain
1# SPDX-License-Identifier: GPL-2.0-only2 3menuconfig POWER_SEQUENCING4 tristate "Power Sequencing support"5 help6 Say Y here to enable the Power Sequencing subsystem.7 8 This subsystem is designed to control power to devices that share9 complex resources and/or require specific power sequences to be run10 during power-up.11 12 If unsure, say no.13 14if POWER_SEQUENCING15 16config POWER_SEQUENCING_QCOM_WCN17 tristate "Qualcomm WCN family PMU driver"18 default m if ARCH_QCOM19 help20 Say Y here to enable the power sequencing driver for Qualcomm21 WCN Bluetooth/WLAN chipsets.22 23 Typically, a package from the Qualcomm WCN family contains the BT24 and WLAN modules whose power is controlled by the PMU module. As the25 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 not27 respecting the required delays between enabling Bluetooth and WLAN.28 29endif30