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phy: qcom-qmp-ufs: Add support for configuring PHY in HS Series B mode

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Add separate tables_hs_b instance to allow the PHY driver to configure the
PHY in HS Series B mode. The individual SoC configs need to supply the
serdes register setting in tables_hs_b and the UFS driver can request the
Series B mode by calling phy_set_mode() with mode set to PHY_MODE_UFS_HS_B.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Andrew Halaney <ahalaney@redhat.com> # Qdrive3/sa8540p-ride
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20230114071009.88102-5-manivannan.sadhasivam@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Manivannan Sadhasivam 2023-01-14 12:40:01 +05:30 committed by Vinod Koul
parent c9a7b0ddb5
commit 69d2f980b6
1 changed files with 15 additions and 0 deletions
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15
drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
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@ -552,6 +552,8 @@ struct qmp_phy_cfg {
/* Main init sequence for PHY blocks - serdes, tx, rx, pcs */
const struct qmp_phy_cfg_tbls tbls;
/* Additional sequence for HS Series B */
const struct qmp_phy_cfg_tbls tbls_hs_b;
/* clock ids to be requested */
const char * const *clk_list;
@ -585,6 +587,7 @@ struct qmp_ufs {
struct reset_control *ufs_reset;
struct phy *phy;
u32 mode;
};
static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val)
@ -848,6 +851,8 @@ static void qmp_ufs_pcs_init(struct qmp_ufs *qmp, const struct qmp_phy_cfg_tbls
static void qmp_ufs_init_registers(struct qmp_ufs *qmp, const struct qmp_phy_cfg *cfg)
{
qmp_ufs_serdes_init(qmp, &cfg->tbls);
if (qmp->mode == PHY_MODE_UFS_HS_B)
qmp_ufs_serdes_init(qmp, &cfg->tbls_hs_b);
qmp_ufs_lanes_init(qmp, &cfg->tbls);
qmp_ufs_pcs_init(qmp, &cfg->tbls);
}
@ -1018,9 +1023,19 @@ static int qmp_ufs_disable(struct phy *phy)
return qmp_ufs_exit(phy);
}
static int qmp_ufs_set_mode(struct phy *phy, enum phy_mode mode, int submode)
{
struct qmp_ufs *qmp = phy_get_drvdata(phy);
qmp->mode = mode;
return 0;
}
static const struct phy_ops qcom_qmp_ufs_phy_ops = {
.power_on = qmp_ufs_enable,
.power_off = qmp_ufs_disable,
.set_mode = qmp_ufs_set_mode,
.owner = THIS_MODULE,
};