diff options
Diffstat (limited to 'drivers/scsi/ufs/ufs-mediatek.h')
| -rw-r--r-- | drivers/scsi/ufs/ufs-mediatek.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/scsi/ufs/ufs-mediatek.h b/drivers/scsi/ufs/ufs-mediatek.h index ce68ce25fdd7..31b7fead19eb 100644 --- a/drivers/scsi/ufs/ufs-mediatek.h +++ b/drivers/scsi/ufs/ufs-mediatek.h @@ -10,6 +10,22 @@ #include <linux/soc/mediatek/mtk_sip_svc.h> /* + * Vendor specific UFSHCI Registers + */ +#define REG_UFS_REFCLK_CTRL 0x144 + +/* + * Ref-clk control + * + * Values for register REG_UFS_REFCLK_CTRL + */ +#define REFCLK_RELEASE 0x0 +#define REFCLK_REQUEST BIT(0) +#define REFCLK_ACK BIT(1) + +#define REFCLK_REQ_TIMEOUT_MS 3 + +/* * Vendor specific pre-defined parameters */ #define UFS_MTK_LIMIT_NUM_LANES_RX 1 @@ -35,8 +51,9 @@ /* * SiP commands */ -#define MTK_SIP_UFS_CONTROL MTK_SIP_SMC_CMD(0x276) -#define UFS_MTK_SIP_DEVICE_RESET BIT(1) +#define MTK_SIP_UFS_CONTROL MTK_SIP_SMC_CMD(0x276) +#define UFS_MTK_SIP_DEVICE_RESET BIT(1) +#define UFS_MTK_SIP_REF_CLK_NOTIFICATION BIT(3) /* * VS_DEBUGCLOCKENABLE @@ -57,6 +74,7 @@ enum { struct ufs_mtk_host { struct ufs_hba *hba; struct phy *mphy; + bool ref_clk_enabled; }; #endif /* !_UFS_MEDIATEK_H */ |