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/Linux-v6.1/drivers/ufs/host/
Dufs-exynos.c3 * UFS Host Controller driver for Exynos specific extensions
21 #include <ufs/ufshcd.h>
23 #include <ufs/ufshci.h>
24 #include <ufs/unipro.h>
26 #include "ufs-exynos.h"
82 /* FSYS UFS Shareability */
144 * UFS Protector registers
155 static void exynos_ufs_auto_ctrl_hcc(struct exynos_ufs *ufs, bool en);
156 static void exynos_ufs_ctrl_clkstop(struct exynos_ufs *ufs, bool en);
158 static inline void exynos_ufs_enable_auto_ctrl_hcc(struct exynos_ufs *ufs) in exynos_ufs_enable_auto_ctrl_hcc() argument
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DKconfig3 # Kernel configuration file for the UFS host controller drivers.
12 tristate "PCI bus based UFS Controller support"
15 This selects the PCI UFS Host Controller Interface. Select this if
16 you have UFS Host Controller with PCI Interface.
31 tristate "Platform bus based UFS Controller support"
34 This selects the UFS host controller support. Select this if
35 you have an UFS controller on Platform bus.
42 tristate "Cadence UFS Controller platform driver"
58 tristate "QCOM specific hooks to UFS controller platform driver"
64 UFS host on QCOM needs some vendor specific configuration before
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Dufs-exynos.h3 * UFS Host Controller driver for Exynos specific extensions
102 #define UNIPRO_PCLK_PERIOD(ufs) (NSEC_PER_SEC / ufs->pclk_rate) argument
167 int (*drv_init)(struct device *dev, struct exynos_ufs *ufs);
168 int (*pre_link)(struct exynos_ufs *ufs);
169 int (*post_link)(struct exynos_ufs *ufs);
170 int (*pre_pwr_change)(struct exynos_ufs *ufs,
172 int (*post_pwr_change)(struct exynos_ufs *ufs,
174 int (*pre_hce_enable)(struct exynos_ufs *ufs);
175 int (*post_hce_enable)(struct exynos_ufs *ufs);
226 #define for_each_ufs_rx_lane(ufs, i) \ argument
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DMakefile7 ufs_qcom-y += ufs-qcom.o
8 ufs_qcom-$(CONFIG_SCSI_UFS_CRYPTO) += ufs-qcom-ice.o
9 obj-$(CONFIG_SCSI_UFS_EXYNOS) += ufs-exynos.o
12 obj-$(CONFIG_SCSI_UFS_HISI) += ufs-hisi.o
13 obj-$(CONFIG_SCSI_UFS_MEDIATEK) += ufs-mediatek.o
14 obj-$(CONFIG_SCSI_UFS_RENESAS) += ufs-renesas.o
15 obj-$(CONFIG_SCSI_UFS_TI_J721E) += ti-j721e-ufs.o
/Linux-v6.1/Documentation/scsi/
Dufs.rst11 2. UFS Architecture Overview
13 2.2 UFS Transport Protocol (UTP) layer
14 2.3 UFS Interconnect (UIC) Layer
16 3.1 UFS controller initialization
18 3.3 UFS error handling
21 5. UFS Reference Clock Frequency configuration
27 Universal Flash Storage (UFS) is a storage specification for flash devices.
31 is defined by JEDEC Solid State Technology Association. UFS is based
32 on the MIPI M-PHY physical layer standard. UFS uses MIPI M-PHY as the
35 The main goals of UFS are to provide:
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/Linux-v6.1/Documentation/ABI/testing/
Dsysfs-driver-ufs6 UFS host controller. A value of '0' means auto-hibernate is not
8 idle time before the UFS host controller will autonomously put
12 maximum value of 102300000. Refer to the UFS Host Controller
16 What: /sys/bus/platform/devices/*.ufs/device_descriptor/device_type
19 Description: This file shows the device type. This is one of the UFS
21 the descriptor could be found at UFS specifications 2.1.
26 What: /sys/bus/platform/devices/*.ufs/device_descriptor/device_class
29 Description: This file shows the device class. This is one of the UFS
31 the descriptor could be found at UFS specifications 2.1.
36 What: /sys/bus/platform/devices/*.ufs/device_descriptor/device_sub_class
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/Linux-v6.1/Documentation/devicetree/bindings/phy/
Dqcom,qmp-ufs-phy.yaml4 $id: http://devicetree.org/schemas/phy/qcom,qmp-ufs-phy.yaml#
7 title: Qualcomm QMP PHY controller (UFS)
14 controllers on Qualcomm chipsets, such as, PCIe, UFS, and USB.
19 - qcom,msm8996-qmp-ufs-phy
20 - qcom,msm8998-qmp-ufs-phy
21 - qcom,sc8180x-qmp-ufs-phy
22 - qcom,sc8280xp-qmp-ufs-phy
23 - qcom,sdm845-qmp-ufs-phy
24 - qcom,sm6115-qmp-ufs-phy
25 - qcom,sm6350-qmp-ufs-phy
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Dmediatek,ufs-phy.yaml5 $id: http://devicetree.org/schemas/phy/mediatek,ufs-phy.yaml#
8 title: MediaTek Universal Flash Storage (UFS) M-PHY binding
15 UFS M-PHY nodes are defined to describe on-chip UFS M-PHY hardware macro.
16 Each UFS M-PHY node should have its own node.
17 To bind UFS M-PHY with UFS host controller, the controller node should
18 contain a phandle reference to UFS M-PHY node.
22 pattern: "^ufs-phy@[0-9a-f]+$"
60 ufsphy: ufs-phy@11fa0000 {
Dsamsung,ufs-phy.yaml4 $id: http://devicetree.org/schemas/phy/samsung,ufs-phy.yaml#
7 title: Samsung SoC series UFS PHY
18 - samsung,exynos7-ufs-phy
19 - samsung,exynosautov9-ufs-phy
20 - tesla,fsd-ufs-phy
44 control pmu registers bits for ufs m-phy
64 const: samsung,exynos7-ufs-phy
98 ufs_phy: ufs-phy@15571800 {
99 compatible = "samsung,exynos7-ufs-phy";
/Linux-v6.1/drivers/ufs/core/
DKconfig3 # Kernel configuration file for the UFS Host Controller core.
15 Universal Flash Storage (UFS) is SCSI transport specification for
18 A UFS controller communicates with a UFS device by exchanging
19 UFS Protocol Information Units (UPIUs).
21 but are also used by the UFS native command set.
22 This transport driver supports exchanging UFS protocol information units
23 with a UFS device. See also the ufshcd driver, which is a SCSI driver
24 that supports UFS devices.
26 Select this if you need a bsg device node for your UFS controller.
30 bool "UFS Crypto Engine Support"
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/Linux-v6.1/Documentation/devicetree/bindings/ufs/
Dsamsung,exynos-ufs.yaml4 $id: http://devicetree.org/schemas/ufs/samsung,exynos-ufs.yaml#
7 title: Samsung SoC series UFS host controller
13 Each Samsung UFS host controller instance should have its own node.
16 - $ref: ufs-common.yaml
21 - samsung,exynos7-ufs
22 - samsung,exynosautov9-ufs
23 - samsung,exynosautov9-ufs-vh
24 - tesla,fsd-ufs
31 - description: UFS protector register
42 - description: ufs link core clock
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Dhisilicon,ufs.yaml4 $id: http://devicetree.org/schemas/ufs/hisilicon,ufs.yaml#
7 title: HiSilicon Universal Flash Storage (UFS) Controller
12 # Select only our matches, not all jedec,ufs
18 - hisilicon,hi3660-ufs
19 - hisilicon,hi3670-ufs
24 - $ref: ufs-common.yaml
30 - const: hisilicon,hi3660-ufs
31 - const: jedec,ufs-1.1
34 - hisilicon,hi3670-ufs
35 - const: jedec,ufs-2.1
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Dti,j721e-ufs.yaml4 $id: http://devicetree.org/schemas/ufs/ti,j721e-ufs.yaml#
7 title: TI J721e UFS Host Controller Glue Driver
15 - const: ti,j721e-ufs
19 description: address of TI UFS glue registers
49 "^ufs@[0-9a-f]+$":
52 Cadence UFS controller node must be the child node.
66 ufs-wrapper@4e80000 {
67 compatible = "ti,j721e-ufs";
78 ufs@4000 {
79 compatible = "cdns,ufshc-m31-16nm", "jedec,ufs-2.0";
Dqcom,ufs.yaml4 $id: http://devicetree.org/schemas/ufs/qcom,ufs.yaml#
7 title: Qualcomm Universal Flash Storage (UFS) Controller
13 # Select only our matches, not all jedec,ufs-2.0
37 - const: jedec,ufs-2.0
53 - const: ufs-ddr
54 - const: cpu-ufs
87 GPIO connected to the RESET pin of the UFS memory device.
94 - $ref: ufs-common.yaml
197 ufs@1d84000 {
199 "jedec,ufs-2.0";
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Dcdns,ufshc.yaml4 $id: http://devicetree.org/schemas/ufs/cdns,ufshc.yaml#
7 title: Cadence Universal Flash Storage (UFS) Controller
12 # Select only our matches, not all jedec,ufs-2.0
24 - $ref: ufs-common.yaml
31 # CDNS UFS HC + M31 16nm PHY
33 - const: jedec,ufs-2.0
64 ufs@fd030000 {
65 compatible = "cdns,ufshc", "jedec,ufs-2.0";
Drenesas,ufs.yaml4 $id: http://devicetree.org/schemas/ufs/renesas,ufs.yaml#
7 title: Renesas R-Car UFS Host Controller
13 - $ref: ufs-common.yaml
17 const: renesas,r8a779f0-ufs
52 ufs: ufs@e686000 {
53 compatible = "renesas,r8a779f0-ufs";
Dsnps,tc-dwc-g210.yaml4 $id: http://devicetree.org/schemas/ufs/snps,tc-dwc-g210.yaml#
7 title: Synopsys DesignWare Universal Flash Storage (UFS) Controller
12 # Select only our matches, not all jedec,ufs
23 - $ref: ufs-common.yaml
32 - const: jedec,ufs-2.0
45 ufs@d0000000 {
48 "jedec,ufs-2.0";
Dmediatek,ufs.yaml4 $id: http://devicetree.org/schemas/ufs/mediatek,ufs.yaml#
7 title: Mediatek Universal Flash Storage (UFS) Controller
13 - $ref: ufs-common.yaml
26 - const: ufs
55 ufs@ff3c0000 {
62 clock-names = "ufs";
Dufs-common.yaml4 $id: http://devicetree.org/schemas/ufs/ufs-common.yaml#
7 title: Common properties for Universal Flash Storage (UFS) Host Controllers
42 Phandle to UFS host controller supply regulator node.
59 For embedded UFS devices, valid VCC range is 1.7-1.95V or 2.7-3.6V. This
61 1.7-1.95V. Note for external UFS cards this property is invalid and valid
/Linux-v6.1/include/ufs/
Dufs_quirks.h22 * ufs_dev_quirk - ufs device quirk info
23 * @card: ufs card details
33 * Some vendor's UFS device sends back to back NACs for the DL data frames
35 * such UFS devices send back to back NAC without waiting for new
44 * raised by UFS controller.
51 * If DL NAC error is seen multiple times with some vendor's UFS devices then
58 * Few Toshiba UFS device models advertise RX_MIN_ACTIVATETIME_CAPABILITY as
60 * from UFS device.
67 * It seems some UFS devices may keep drawing more than sleep current
68 * (atleast for 500us) from UFS rails (especially from VCCQ rail).
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Dufshcd.h21 #include <ufs/unipro.h>
22 #include <ufs/ufs.h>
23 #include <ufs/ufs_quirks.h>
24 #include <ufs/ufshci.h>
126 * UFS Power management levels.
159 * @command_type: SCSI, UFS, Query.
228 * struct ufs_clk_info - UFS clock related info
275 * @get_ufs_hci_version: called to get UFS HCI version
296 * @device_reset: called to issue a reset pulse on the UFS device
349 * struct ufs_clk_gating - UFS clock gating related info
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/Linux-v6.1/fs/ufs/
DKconfig3 tristate "UFS file system support (read only)"
7 OpenBSD and NeXTstep) use a file system called UFS. Some System V
11 experimental "UFS file system write support", below. Please read the
12 file <file:Documentation/admin-guide/ufs.rst> for more information.
26 To compile the UFS file system support as a module, choose M here: the
27 module will be called ufs.
32 bool "UFS file system write support (DANGEROUS)"
35 Say Y here if you want to try writing to UFS partitions. This is
36 experimental, so you should back up your UFS partitions beforehand.
39 bool "UFS debugging"
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/Linux-v6.1/drivers/ufs/
DKconfig3 # UFS subsystem configuration
13 Enables support for UFS (Universal Flash Storage) host controllers.
14 A UFS host controller is an electronic component that is able to
15 communicate with a UFS card. UFS host controllers occur in
20 <file:Documentation/scsi/ufs.rst>.
22 (the one containing the directory /) is located on a UFS device.
26 source "drivers/ufs/core/Kconfig"
28 source "drivers/ufs/host/Kconfig"
/Linux-v6.1/drivers/phy/samsung/
DMakefile5 obj-$(CONFIG_PHY_SAMSUNG_UFS) += phy-exynos-ufs.o
6 phy-exynos-ufs-y += phy-samsung-ufs.o
7 phy-exynos-ufs-y += phy-exynos7-ufs.o
8 phy-exynos-ufs-y += phy-exynosautov9-ufs.o
9 phy-exynos-ufs-y += phy-fsd-ufs.o
/Linux-v6.1/Documentation/admin-guide/
Dufs.rst2 Using UFS
5 mount -t ufs -o ufstype=type_of_ufs device dir
8 UFS Options
12 UFS is a file system widely used in different operating systems.
15 type of ufs automatically. That's why user must specify type of
16 ufs manually by mount option ufstype. Possible values are:
19 old format of ufs
67 Any ufs bug report you can send to daniel.pirkl@email.cz or

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