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