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.rst>. 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 depends on HAS_IOMEM 76 help 77 This selects the UFS host controller support. Select this if 78 you have an UFS controller on Platform bus. 79 80 If you have a controller with this interface, say Y or M here. 81 82 If unsure, say N. 83 84config SCSI_UFS_CDNS_PLATFORM 85 tristate "Cadence UFS Controller platform driver" 86 depends on SCSI_UFSHCD_PLATFORM 87 help 88 This selects the Cadence-specific additions to UFSHCD platform driver. 89 90 If unsure, say N. 91 92config SCSI_UFS_DWC_TC_PLATFORM 93 tristate "DesignWare platform support using a G210 Test Chip" 94 depends on SCSI_UFSHCD_PLATFORM 95 help 96 Synopsys Test Chip is a PHY for prototyping purposes. 97 98 If unsure, say N. 99 100config SCSI_UFS_QCOM 101 tristate "QCOM specific hooks to UFS controller platform driver" 102 depends on SCSI_UFSHCD_PLATFORM && ARCH_QCOM 103 select QCOM_SCM if SCSI_UFS_CRYPTO 104 select RESET_CONTROLLER 105 help 106 This selects the QCOM specific additions to UFSHCD platform driver. 107 UFS host on QCOM needs some vendor specific configuration before 108 accessing the hardware which includes PHY configuration and vendor 109 specific registers. 110 111 Select this if you have UFS controller on QCOM chipset. 112 If unsure, say N. 113 114config SCSI_UFS_MEDIATEK 115 tristate "Mediatek specific hooks to UFS controller platform driver" 116 depends on SCSI_UFSHCD_PLATFORM && ARCH_MEDIATEK 117 select PHY_MTK_UFS 118 help 119 This selects the Mediatek specific additions to UFSHCD platform driver. 120 UFS host on Mediatek needs some vendor specific configuration before 121 accessing the hardware which includes PHY configuration and vendor 122 specific registers. 123 124 Select this if you have UFS controller on Mediatek chipset. 125 126 If unsure, say N. 127 128config SCSI_UFS_HISI 129 tristate "Hisilicon specific hooks to UFS controller platform driver" 130 depends on (ARCH_HISI || COMPILE_TEST) && SCSI_UFSHCD_PLATFORM 131 help 132 This selects the Hisilicon specific additions to UFSHCD platform driver. 133 134 Select this if you have UFS controller on Hisilicon chipset. 135 If unsure, say N. 136 137config SCSI_UFS_TI_J721E 138 tristate "TI glue layer for Cadence UFS Controller" 139 depends on OF && HAS_IOMEM && (ARCH_K3 || COMPILE_TEST) 140 help 141 This selects driver for TI glue layer for Cadence UFS Host 142 Controller IP. 143 144 Selects this if you have TI platform with UFS controller. 145 If unsure, say N. 146 147config SCSI_UFS_BSG 148 bool "Universal Flash Storage BSG device node" 149 depends on SCSI_UFSHCD 150 select BLK_DEV_BSGLIB 151 help 152 Universal Flash Storage (UFS) is SCSI transport specification for 153 accessing flash storage on digital cameras, mobile phones and 154 consumer electronic devices. 155 A UFS controller communicates with a UFS device by exchanging 156 UFS Protocol Information Units (UPIUs). 157 UPIUs can not only be used as a transport layer for the SCSI protocol 158 but are also used by the UFS native command set. 159 This transport driver supports exchanging UFS protocol information units 160 with a UFS device. See also the ufshcd driver, which is a SCSI driver 161 that supports UFS devices. 162 163 Select this if you need a bsg device node for your UFS controller. 164 If unsure, say N. 165 166config SCSI_UFS_EXYNOS 167 tristate "EXYNOS specific hooks to UFS controller platform driver" 168 depends on SCSI_UFSHCD_PLATFORM && (ARCH_EXYNOS || COMPILE_TEST) 169 help 170 This selects the EXYNOS specific additions to UFSHCD platform driver. 171 UFS host on EXYNOS includes HCI and UNIPRO layer, and associates with 172 UFS-PHY driver. 173 174 Select this if you have UFS host controller on EXYNOS chipset. 175 If unsure, say N. 176 177config SCSI_UFS_CRYPTO 178 bool "UFS Crypto Engine Support" 179 depends on SCSI_UFSHCD && BLK_INLINE_ENCRYPTION 180 help 181 Enable Crypto Engine Support in UFS. 182 Enabling this makes it possible for the kernel to use the crypto 183 capabilities of the UFS device (if present) to perform crypto 184 operations on data being transferred to/from the device. 185