diff options
| author | Subhash Jadavani <subhashj@codeaurora.org> | 2015-01-06 17:16:13 -0800 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-22 10:58:20 -0700 |
| commit | a7578e830eb19df60edaa1ef7f4028835ea7c522 (patch) | |
| tree | 8b669ddcbbf4dc5e37483612b80ce7891dc48a4e /include/linux | |
| parent | ce7e8d0894ce8ac2ef897df29a6dc9c8f84c87cd (diff) | |
scsi: ufs-qcom: add QUniPro hardware support
New revisions of UFS host controller supports the new UniPro
hardware controller (referred as QUniPro). This patch adds
the support to enable this new UniPro controller hardware.
Change-Id: Iccbcc38c36e6d9b9fcbb5c7fd7a3e3326c1c4ce0
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
[subhashj@codeaurora.org: resolved trivial merge conflicts]
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/scsi/ufs/ufs-qcom.h | 22 | ||||
| -rw-r--r-- | include/linux/scsi/ufs/ufshcd.h | 4 |
2 files changed, 24 insertions, 2 deletions
diff --git a/include/linux/scsi/ufs/ufs-qcom.h b/include/linux/scsi/ufs/ufs-qcom.h index 62db011f9432..047d38987f85 100644 --- a/include/linux/scsi/ufs/ufs-qcom.h +++ b/include/linux/scsi/ufs/ufs-qcom.h @@ -1,4 +1,4 @@ -/* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved. +/* Copyright (c) 2013-2015, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -75,6 +75,9 @@ enum { UFS_UFS_DBG_RD_EDTL_RAM = 0x1900, }; +/* bit definitions for REG_UFS_CFG1 register */ +#define QUNIPRO_SEL UFS_BIT(0) + /* bit definitions for REG_UFS_CFG2 register */ #define UAWM_HW_CGC_EN (1 << 0) #define UARM_HW_CGC_EN (1 << 1) @@ -180,6 +183,15 @@ struct ufs_qcom_ice_data { }; struct ufs_qcom_host { + /* + * Set this capability if host controller supports the QUniPro mode + * and if driver wants the Host controller to operate in QUniPro mode. + * Note: By default this capability will be kept enabled if host + * controller supports the QUniPro mode. + */ + #define UFS_QCOM_CAP_QUNIPRO UFS_BIT(0) + u32 caps; + struct phy *generic_phy; struct ufs_hba *hba; struct ufs_qcom_bus_vote bus_vote; @@ -203,4 +215,12 @@ struct ufs_qcom_host { #define VDDA_PLL_MIN_UV 1800000 #define VDDA_PLL_MAX_UV 1800000 +static inline bool ufs_qcom_cap_qunipro(struct ufs_qcom_host *host) +{ + if (host->caps & UFS_QCOM_CAP_QUNIPRO) + return true; + else + return false; +} + #endif /* UFS_QCOM_H_ */ diff --git a/include/linux/scsi/ufs/ufshcd.h b/include/linux/scsi/ufs/ufshcd.h index b731b54abc9c..67c75a6a3ed3 100644 --- a/include/linux/scsi/ufs/ufshcd.h +++ b/include/linux/scsi/ufs/ufshcd.h @@ -3,7 +3,7 @@ * * This code is based on drivers/scsi/ufs/ufshcd.h * Copyright (C) 2011-2013 Samsung India Software Operations - * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved. + * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved. * * Authors: * Santosh Yaraganavi <santosh.sy@samsung.com> @@ -71,6 +71,8 @@ #define UFSHCD "ufshcd" #define UFSHCD_DRIVER_VERSION "0.2" +#define UFS_BIT(x) BIT(x) + struct ufs_hba; enum dev_cmd_type { |