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| author | Can Guo <cang@codeaurora.org> | 2019-11-26 07:53:31 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-12-20 04:08:52 +0100 |
| commit | a7ef6f029a7658f2d9b9a78b3b1d8f4cb981bbdf (patch) | |
| tree | 2cdb23e914659db50f8a788be72507d2c4b5f7de | |
| parent | scsi: ufs: Recheck bkops level if bkops is disabled (diff) | |
| download | linux-a7ef6f029a7658f2d9b9a78b3b1d8f4cb981bbdf.tar.xz linux-a7ef6f029a7658f2d9b9a78b3b1d8f4cb981bbdf.zip | |
scsi: ufs: Update VCCQ2 and VCCQ min/max voltage hard codes
Per UFS 3.0 JEDEC standard, the VCCQ2 min voltage is 1.7v and the VCCQ
voltage range is 1.14v ~ 1.26v. Update their hard codes accordingly to make
sure they work in a safe range compliant for ver 1.0/1.1/2.0/2.1/3.0 UFS
devices.
Link: https://lore.kernel.org/r/1574751214-8321-3-git-send-email-cang@qti.qualcomm.com
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/ufs/ufs.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index 3327981ef894..c89f21698629 100644 --- a/drivers/scsi/ufs/ufs.h +++ b/drivers/scsi/ufs/ufs.h @@ -499,9 +499,9 @@ struct ufs_query_res { #define UFS_VREG_VCC_MAX_UV 3600000 /* uV */ #define UFS_VREG_VCC_1P8_MIN_UV 1700000 /* uV */ #define UFS_VREG_VCC_1P8_MAX_UV 1950000 /* uV */ -#define UFS_VREG_VCCQ_MIN_UV 1100000 /* uV */ -#define UFS_VREG_VCCQ_MAX_UV 1300000 /* uV */ -#define UFS_VREG_VCCQ2_MIN_UV 1650000 /* uV */ +#define UFS_VREG_VCCQ_MIN_UV 1140000 /* uV */ +#define UFS_VREG_VCCQ_MAX_UV 1260000 /* uV */ +#define UFS_VREG_VCCQ2_MIN_UV 1700000 /* uV */ #define UFS_VREG_VCCQ2_MAX_UV 1950000 /* uV */ /* |