1249ebf3fSBartosz Golaszewski# SPDX-License-Identifier: GPL-2.0-only 2249ebf3fSBartosz Golaszewski 3249ebf3fSBartosz Golaszewskimenuconfig POWER_SEQUENCING 4249ebf3fSBartosz Golaszewski tristate "Power Sequencing support" 5249ebf3fSBartosz Golaszewski help 6249ebf3fSBartosz Golaszewski Say Y here to enable the Power Sequencing subsystem. 7249ebf3fSBartosz Golaszewski 8249ebf3fSBartosz Golaszewski This subsystem is designed to control power to devices that share 9249ebf3fSBartosz Golaszewski complex resources and/or require specific power sequences to be run 10249ebf3fSBartosz Golaszewski during power-up. 11249ebf3fSBartosz Golaszewski 12249ebf3fSBartosz Golaszewski If unsure, say no. 13*2f1630f4SBartosz Golaszewski 14*2f1630f4SBartosz Golaszewskiif POWER_SEQUENCING 15*2f1630f4SBartosz Golaszewski 16*2f1630f4SBartosz Golaszewskiconfig POWER_SEQUENCING_QCOM_WCN 17*2f1630f4SBartosz Golaszewski tristate "Qualcomm WCN family PMU driver" 18*2f1630f4SBartosz Golaszewski default m if ARCH_QCOM 19*2f1630f4SBartosz Golaszewski help 20*2f1630f4SBartosz Golaszewski Say Y here to enable the power sequencing driver for Qualcomm 21*2f1630f4SBartosz Golaszewski WCN Bluetooth/WLAN chipsets. 22*2f1630f4SBartosz Golaszewski 23*2f1630f4SBartosz Golaszewski Typically, a package from the Qualcomm WCN family contains the BT 24*2f1630f4SBartosz Golaszewski and WLAN modules whose power is controlled by the PMU module. As the 25*2f1630f4SBartosz Golaszewski former two share the power-up sequence which is executed by the PMU, 26*2f1630f4SBartosz Golaszewski this driver is needed for correct power control or else we'd risk not 27*2f1630f4SBartosz Golaszewski respecting the required delays between enabling Bluetooth and WLAN. 28*2f1630f4SBartosz Golaszewski 29*2f1630f4SBartosz Golaszewskiendif 30