diff options
| author | Stanley Chu <stanley.chu@mediatek.com> | 2022-06-16 08:37:22 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-06-17 05:08:44 +0300 |
| commit | 42b1928360a32e28296c2188742c907f83b9824a (patch) | |
| tree | 1ba85186a4dad0045ae264518009db742763c2e5 /drivers/ufs/host/ufs-mediatek.h | |
| parent | bc602ae977f3e6d47cd4c9c7aebc431019206712 (diff) | |
| download | linux-42b1928360a32e28296c2188742c907f83b9824a.tar.xz | |
scsi: ufs: ufs-mediatek: Support low-power mode for parents of VCCQx
Provide the facility to configure parents of VCCQx power rails as low-power
or full-power mode in MediaTek UFS platforms.
Link: https://lore.kernel.org/r/20220616053725.5681-9-stanley.chu@mediatek.com
Signed-off-by: Alice Chao <alice.chao@mediatek.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/ufs/host/ufs-mediatek.h')
| -rw-r--r-- | drivers/ufs/host/ufs-mediatek.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/ufs/host/ufs-mediatek.h b/drivers/ufs/host/ufs-mediatek.h index bf6ca96cafb6..5c6101ac518f 100644 --- a/drivers/ufs/host/ufs-mediatek.h +++ b/drivers/ufs/host/ufs-mediatek.h @@ -83,6 +83,7 @@ enum { #define UFS_MTK_SIP_DEVICE_RESET BIT(1) #define UFS_MTK_SIP_CRYPTO_CTRL BIT(2) #define UFS_MTK_SIP_REF_CLK_NOTIFICATION BIT(3) +#define UFS_MTK_SIP_DEVICE_PWR_CTRL BIT(7) /* * VS_DEBUGCLOCKENABLE @@ -182,4 +183,7 @@ static void _ufs_mtk_smc(struct ufs_mtk_smc_arg s) #define ufs_mtk_device_reset_ctrl(high, res) \ ufs_mtk_smc(UFS_MTK_SIP_DEVICE_RESET, &(res), high) +#define ufs_mtk_device_pwr_ctrl(on, ufs_ver, res) \ + ufs_mtk_smc(UFS_MTK_SIP_DEVICE_PWR_CTRL, &(res), on, ufs_ver) + #endif /* !_UFS_MEDIATEK_H */ |