diff options
| author | Subhash Jadavani <subhashj@codeaurora.org> | 2015-01-28 15:54:17 -0800 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-22 10:58:43 -0700 |
| commit | 413d97dd2a8c5f39c43346bfa8644bf6ad1a4ce6 (patch) | |
| tree | 023499c2012e205ac5ccbdc4048bc2f1f1afb0fb /include/linux | |
| parent | 1811e9b0bb3f9233cecef815f338ce029fb9681e (diff) | |
scsi: ufs-qcom: implement pre and post notification for clock scaling
QUniPro controller requires additional configuration before and after
clock scaling, this change adds the support for it.
Change-Id: I0add27ff3ab54f72b8b79e1e554541c2e492a4c8
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/scsi/ufs/ufs-qcom.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/scsi/ufs/ufs-qcom.h b/include/linux/scsi/ufs/ufs-qcom.h index 87c3853773ed..c38ae5ed4965 100644 --- a/include/linux/scsi/ufs/ufs-qcom.h +++ b/include/linux/scsi/ufs/ufs-qcom.h @@ -141,6 +141,12 @@ struct ufs_qcom_phy_vreg { (UFS_QCOM_DBG_PRINT_REGS_EN | UFS_QCOM_DBG_PRINT_ICE_REGS_EN | \ UFS_QCOM_DBG_PRINT_TEST_BUS_EN) +/* QUniPro Vendor specific attributes */ +#define DME_VS_CORE_CLK_CTRL 0xD002 +/* bit and mask definitions for DME_VS_CORE_CLK_CTRL attribute */ +#define DME_VS_CORE_CLK_CTRL_CORE_CLK_DIV_EN_BIT BIT(8) +#define DME_VS_CORE_CLK_CTRL_MAX_CORE_CLK_1US_CYCLES_MASK 0xFF + static inline void ufs_qcom_get_controller_revision(struct ufs_hba *hba, u8 *major, u16 *minor, u16 *step) |