[PATCH v3 2/4] scsi: ufs: Update VCCQ2 and VCCQ min/max voltage hard codes

From: Can Guo
Date: Tue Nov 26 2019 - 01:54:03 EST


From: Can Guo <cang@xxxxxxxxxxxxxx>

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.

Signed-off-by: Can Guo <cang@xxxxxxxxxxxxxx>
---
drivers/scsi/ufs/ufs.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h
index 385bac8..0ded95e 100644
--- a/drivers/scsi/ufs/ufs.h
+++ b/drivers/scsi/ufs/ufs.h
@@ -500,9 +500,9 @@ 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 */

/*
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project