1# 2# Kernel configuration file for the UFS Host Controller 3# 4# This code is based on drivers/scsi/ufs/Kconfig 5# Copyright (C) 2011-2013 Samsung India Software Operations 6# 7# Authors: 8# Santosh Yaraganavi <santosh.sy@samsung.com> 9# Vinayak Holikatti <h.vinayak@samsung.com> 10# 11# This program is free software; you can redistribute it and/or 12# modify it under the terms of the GNU General Public License 13# as published by the Free Software Foundation; either version 2 14# of the License, or (at your option) any later version. 15# See the COPYING file in the top-level directory or visit 16# <http://www.gnu.org/licenses/gpl-2.0.html> 17# 18# This program is distributed in the hope that it will be useful, 19# but WITHOUT ANY WARRANTY; without even the implied warranty of 20# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21# GNU General Public License for more details. 22# 23# This program is provided "AS IS" and "WITH ALL FAULTS" and 24# without warranty of any kind. You are solely responsible for 25# determining the appropriateness of using and distributing 26# the program and assume all risks associated with your exercise 27# of rights with respect to the program, including but not limited 28# to infringement of third party rights, the risks and costs of 29# program errors, damage to or loss of data, programs or equipment, 30# and unavailability or interruption of operations. Under no 31# circumstances will the contributor of this Program be liable for 32# any damages of any kind arising from your use or distribution of 33# this program. 34 35config SCSI_UFSHCD 36 tristate "Universal Flash Storage Controller Driver Core" 37 depends on SCSI && SCSI_DMA 38 select PM_DEVFREQ 39 select DEVFREQ_GOV_SIMPLE_ONDEMAND 40 select NLS 41 ---help--- 42 This selects the support for UFS devices in Linux, say Y and make 43 sure that you know the name of your UFS host adapter (the card 44 inside your computer that "speaks" the UFS protocol, also 45 called UFS Host Controller), because you will be asked for it. 46 The module will be called ufshcd. 47 48 To compile this driver as a module, choose M here and read 49 <file:Documentation/scsi/ufs.txt>. 50 However, do not compile this as a module if your root file system 51 (the one containing the directory /) is located on a UFS device. 52 53config SCSI_UFSHCD_PCI 54 tristate "PCI bus based UFS Controller support" 55 depends on SCSI_UFSHCD && PCI 56 ---help--- 57 This selects the PCI UFS Host Controller Interface. Select this if 58 you have UFS Host Controller with PCI Interface. 59 60 If you have a controller with this interface, say Y or M here. 61 62 If unsure, say N. 63 64config SCSI_UFS_DWC_TC_PCI 65 tristate "DesignWare pci support using a G210 Test Chip" 66 depends on SCSI_UFSHCD_PCI 67 ---help--- 68 Synopsys Test Chip is a PHY for prototyping purposes. 69 70 If unsure, say N. 71 72config SCSI_UFSHCD_PLATFORM 73 tristate "Platform bus based UFS Controller support" 74 depends on SCSI_UFSHCD 75 ---help--- 76 This selects the UFS host controller support. Select this if 77 you have an UFS controller on Platform bus. 78 79 If you have a controller with this interface, say Y or M here. 80 81 If unsure, say N. 82 83config SCSI_UFS_CDNS_PLATFORM 84 tristate "Cadence UFS Controller platform driver" 85 depends on SCSI_UFSHCD_PLATFORM 86 help 87 This selects the Cadence-specific additions to UFSHCD platform driver. 88 89 If unsure, say N. 90 91config SCSI_UFS_DWC_TC_PLATFORM 92 tristate "DesignWare platform support using a G210 Test Chip" 93 depends on SCSI_UFSHCD_PLATFORM 94 ---help--- 95 Synopsys Test Chip is a PHY for prototyping purposes. 96 97 If unsure, say N. 98 99config SCSI_UFS_QCOM 100 tristate "QCOM specific hooks to UFS controller platform driver" 101 depends on SCSI_UFSHCD_PLATFORM && ARCH_QCOM 102 select RESET_CONTROLLER 103 help 104 This selects the QCOM specific additions to UFSHCD platform driver. 105 UFS host on QCOM needs some vendor specific configuration before 106 accessing the hardware which includes PHY configuration and vendor 107 specific registers. 108 109 Select this if you have UFS controller on QCOM chipset. 110 If unsure, say N. 111 112config SCSI_UFS_MEDIATEK 113 tristate "Mediatek specific hooks to UFS controller platform driver" 114 depends on SCSI_UFSHCD_PLATFORM && ARCH_MEDIATEK 115 select PHY_MTK_UFS 116 help 117 This selects the Mediatek specific additions to UFSHCD platform driver. 118 UFS host on Mediatek needs some vendor specific configuration before 119 accessing the hardware which includes PHY configuration and vendor 120 specific registers. 121 122 Select this if you have UFS controller on Mediatek chipset. 123 124 If unsure, say N. 125 126config SCSI_UFS_HISI 127 tristate "Hisilicon specific hooks to UFS controller platform driver" 128 depends on (ARCH_HISI || COMPILE_TEST) && SCSI_UFSHCD_PLATFORM 129 ---help--- 130 This selects the Hisilicon specific additions to UFSHCD platform driver. 131 132 Select this if you have UFS controller on Hisilicon chipset. 133 If unsure, say N. 134 135config SCSI_UFS_BSG 136 bool "Universal Flash Storage BSG device node" 137 depends on SCSI_UFSHCD 138 select BLK_DEV_BSGLIB 139 help 140 Universal Flash Storage (UFS) is SCSI transport specification for 141 accessing flash storage on digital cameras, mobile phones and 142 consumer electronic devices. 143 A UFS controller communicates with a UFS device by exchanging 144 UFS Protocol Information Units (UPIUs). 145 UPIUs can not only be used as a transport layer for the SCSI protocol 146 but are also used by the UFS native command set. 147 This transport driver supports exchanging UFS protocol information units 148 with a UFS device. See also the ufshcd driver, which is a SCSI driver 149 that supports UFS devices. 150 151 Select this if you need a bsg device node for your UFS controller. 152 If unsure, say N. 153
