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phy: qcom-ufs-qmp-20nm: keep analog bias on

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Link startup or hibern8 may fail sometimes if analog bias is not on.
To ensure the stability of link startup and hibern8 enter/exit,
this change adds the UFS phy configuration change to keep the analog bias
on.

Change-Id: I22202ee018cb222facbfda87110b83a328d71288
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
This commit is contained in:
Maya Erez 2014-11-20 09:13:08 +02:00 • committed by David Keitel
parent 2f94b8d7bd
commit 64c5902134
1 changed files with 3 additions and 0 deletions
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3
drivers/phy/phy-qcom-ufs-qmp-20nm.h
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@ -30,6 +30,7 @@
#define QSERDES_COM_PLL_CNTRL COM_OFF(0x14)
#define QSERDES_COM_PLL_IP_SETI COM_OFF(0x24)
#define QSERDES_COM_CORE_CLK_IN_SYNC_SEL COM_OFF(0x28)
#define QSERDES_COM_BIAS_EN_CLKBUFLR_EN COM_OFF(0x30)
#define QSERDES_COM_PLL_CP_SETI COM_OFF(0x34)
#define QSERDES_COM_PLL_IP_SETP COM_OFF(0x38)
#define QSERDES_COM_PLL_CP_SETP COM_OFF(0x3C)
@ -176,6 +177,7 @@ static struct ufs_qcom_phy_calibration phy_cal_table_rate_A_1_2_0[] = {
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE(1), 0x68),
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(1), 0xdc),
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(0), 0xdc),
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x3),
};
static struct ufs_qcom_phy_calibration phy_cal_table_rate_A_1_3_0[] = {
@ -221,6 +223,7 @@ static struct ufs_qcom_phy_calibration phy_cal_table_rate_A_1_3_0[] = {
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE(1), 0x68),
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(1), 0xdc),
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(0), 0xdc),
UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x3),
};
static struct ufs_qcom_phy_calibration phy_cal_table_rate_B[] = {