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phy: qcom-ufs: Add support to set phy mode

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Adding support to set desired UFS phy mode that can be set
from the host controller.

Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Vivek Gautam 2017-10-12 11:49:34 +05:30 committed by Kishon Vijay Abraham I
parent fd3e4c98e6
commit 3d741ff44e
3 changed files with 30 additions and 0 deletions
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2
drivers/phy/qualcomm/phy-qcom-ufs-i.h
View File

@ -115,6 +115,8 @@ struct ufs_qcom_phy {
int cached_regs_table_size;
bool is_powered_on;
struct ufs_qcom_phy_specific_ops *phy_spec_ops;
enum phy_mode mode;
};
/**

14
drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.c
View File

@ -52,6 +52,19 @@ static int ufs_qcom_phy_qmp_14nm_exit(struct phy *generic_phy)
return 0;
}
static
int ufs_qcom_phy_qmp_14nm_set_mode(struct phy *generic_phy, enum phy_mode mode)
{
struct ufs_qcom_phy *phy_common = get_ufs_qcom_phy(generic_phy);
phy_common->mode = PHY_MODE_INVALID;
if (mode > 0)
phy_common->mode = mode;
return 0;
}
static
void ufs_qcom_phy_qmp_14nm_power_control(struct ufs_qcom_phy *phy, bool val)
{
@ -102,6 +115,7 @@ static const struct phy_ops ufs_qcom_phy_qmp_14nm_phy_ops = {
.exit = ufs_qcom_phy_qmp_14nm_exit,
.power_on = ufs_qcom_phy_power_on,
.power_off = ufs_qcom_phy_power_off,
.set_mode = ufs_qcom_phy_qmp_14nm_set_mode,
.owner = THIS_MODULE,
};

14
drivers/phy/qualcomm/phy-qcom-ufs-qmp-20nm.c
View File

@ -71,6 +71,19 @@ static int ufs_qcom_phy_qmp_20nm_exit(struct phy *generic_phy)
return 0;
}
static
int ufs_qcom_phy_qmp_20nm_set_mode(struct phy *generic_phy, enum phy_mode mode)
{
struct ufs_qcom_phy *phy_common = get_ufs_qcom_phy(generic_phy);
phy_common->mode = PHY_MODE_INVALID;
if (mode > 0)
phy_common->mode = mode;
return 0;
}
static
void ufs_qcom_phy_qmp_20nm_power_control(struct ufs_qcom_phy *phy, bool val)
{
@ -160,6 +173,7 @@ static const struct phy_ops ufs_qcom_phy_qmp_20nm_phy_ops = {
.exit = ufs_qcom_phy_qmp_20nm_exit,
.power_on = ufs_qcom_phy_power_on,
.power_off = ufs_qcom_phy_power_off,
.set_mode = ufs_qcom_phy_qmp_20nm_set_mode,
.owner = THIS_MODULE,
};