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 53if SCSI_UFSHCD 54 55config SCSI_UFSHCD_PCI 56 tristate "PCI bus based UFS Controller support" 57 depends on PCI 58 help 59 This selects the PCI UFS Host Controller Interface. Select this if 60 you have UFS Host Controller with PCI Interface. 61 62 If you have a controller with this interface, say Y or M here. 63 64 If unsure, say N. 65 66config SCSI_UFS_DWC_TC_PCI 67 tristate "DesignWare pci support using a G210 Test Chip" 68 depends on SCSI_UFSHCD_PCI 69 help 70 Synopsys Test Chip is a PHY for prototyping purposes. 71 72 If unsure, say N. 73 74config SCSI_UFSHCD_PLATFORM 75 tristate "Platform bus based UFS Controller support" 76 depends on HAS_IOMEM 77 help 78 This selects the UFS host controller support. Select this if 79 you have an UFS controller on Platform bus. 80 81 If you have a controller with this interface, say Y or M here. 82 83 If unsure, say N. 84 85config SCSI_UFS_CDNS_PLATFORM 86 tristate "Cadence UFS Controller platform driver" 87 depends on SCSI_UFSHCD_PLATFORM 88 help 89 This selects the Cadence-specific additions to UFSHCD platform driver. 90 91 If unsure, say N. 92 93config SCSI_UFS_DWC_TC_PLATFORM 94 tristate "DesignWare platform support using a G210 Test Chip" 95 depends on SCSI_UFSHCD_PLATFORM 96 help 97 Synopsys Test Chip is a PHY for prototyping purposes. 98 99 If unsure, say N. 100 101config SCSI_UFS_QCOM 102 tristate "QCOM specific hooks to UFS controller platform driver" 103 depends on SCSI_UFSHCD_PLATFORM && ARCH_QCOM 104 select QCOM_SCM if SCSI_UFS_CRYPTO 105 select RESET_CONTROLLER 106 help 107 This selects the QCOM specific additions to UFSHCD platform driver. 108 UFS host on QCOM needs some vendor specific configuration before 109 accessing the hardware which includes PHY configuration and vendor 110 specific registers. 111 112 Select this if you have UFS controller on QCOM chipset. 113 If unsure, say N. 114 115config SCSI_UFS_MEDIATEK 116 tristate "Mediatek specific hooks to UFS controller platform driver" 117 depends on SCSI_UFSHCD_PLATFORM && ARCH_MEDIATEK 118 select PHY_MTK_UFS 119 select RESET_TI_SYSCON 120 help 121 This selects the Mediatek specific additions to UFSHCD platform driver. 122 UFS host on Mediatek needs some vendor specific configuration before 123 accessing the hardware which includes PHY configuration and vendor 124 specific registers. 125 126 Select this if you have UFS controller on Mediatek chipset. 127 128 If unsure, say N. 129 130config SCSI_UFS_HISI 131 tristate "Hisilicon specific hooks to UFS controller platform driver" 132 depends on (ARCH_HISI || COMPILE_TEST) && SCSI_UFSHCD_PLATFORM 133 help 134 This selects the Hisilicon specific additions to UFSHCD platform driver. 135 136 Select this if you have UFS controller on Hisilicon chipset. 137 If unsure, say N. 138 139config SCSI_UFS_TI_J721E 140 tristate "TI glue layer for Cadence UFS Controller" 141 depends on OF && HAS_IOMEM && (ARCH_K3 || COMPILE_TEST) 142 help 143 This selects driver for TI glue layer for Cadence UFS Host 144 Controller IP. 145 146 Selects this if you have TI platform with UFS controller. 147 If unsure, say N. 148 149config SCSI_UFS_BSG 150 bool "Universal Flash Storage BSG device node" 151 select BLK_DEV_BSGLIB 152 help 153 Universal Flash Storage (UFS) is SCSI transport specification for 154 accessing flash storage on digital cameras, mobile phones and 155 consumer electronic devices. 156 A UFS controller communicates with a UFS device by exchanging 157 UFS Protocol Information Units (UPIUs). 158 UPIUs can not only be used as a transport layer for the SCSI protocol 159 but are also used by the UFS native command set. 160 This transport driver supports exchanging UFS protocol information units 161 with a UFS device. See also the ufshcd driver, which is a SCSI driver 162 that supports UFS devices. 163 164 Select this if you need a bsg device node for your UFS controller. 165 If unsure, say N. 166 167config SCSI_UFS_EXYNOS 168 tristate "Exynos specific hooks to UFS controller platform driver" 169 depends on SCSI_UFSHCD_PLATFORM && (ARCH_EXYNOS || COMPILE_TEST) 170 help 171 This selects the Samsung Exynos SoC specific additions to UFSHCD 172 platform driver. UFS host on Samsung Exynos SoC includes HCI and 173 UNIPRO layer, and associates with UFS-PHY driver. 174 175 Select this if you have UFS host controller on Samsung Exynos SoC. 176 If unsure, say N. 177 178config SCSI_UFS_CRYPTO 179 bool "UFS Crypto Engine Support" 180 depends on BLK_INLINE_ENCRYPTION 181 help 182 Enable Crypto Engine Support in UFS. 183 Enabling this makes it possible for the kernel to use the crypto 184 capabilities of the UFS device (if present) to perform crypto 185 operations on data being transferred to/from the device. 186 187config SCSI_UFS_HPB 188 bool "Support UFS Host Performance Booster" 189 help 190 The UFS HPB feature improves random read performance. It caches 191 L2P (logical to physical) map of UFS to host DRAM. The driver uses HPB 192 read command by piggybacking physical page number for bypassing FTL (flash 193 translation layer)'s L2P address translation. 194 195config SCSI_UFS_FAULT_INJECTION 196 bool "UFS Fault Injection Support" 197 depends on FAULT_INJECTION 198 help 199 Enable fault injection support in the UFS driver. This makes it easier 200 to test the UFS error handler and abort handler. 201 202config SCSI_UFS_HWMON 203 bool "UFS Temperature Notification" 204 depends on SCSI_UFSHCD=HWMON || HWMON=y 205 help 206 This provides support for UFS hardware monitoring. If enabled, 207 a hardware monitoring device will be created for the UFS device. 208 209 If unsure, say N. 210 211endif 212