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Date: Tue, 27 Apr 2021 12:23:59 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: vkoul@...nel.org, kishon@...com, robh+dt@...nel.org
Cc: bjorn.andersson@...aro.org, linux-arm-msm@...r.kernel.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH 2/3] phy: qcom-qmp: Use phy_status field for the status bit offset
In preparation of the support for v4.20 PCIe PHY in SDX55, use a
separate "phy_status" field for the status bit offset. This is needed
because, the v4.20 PHY uses a different offset for the PHY Status.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
drivers/phy/qualcomm/phy-qcom-qmp.c | 29 ++++++++++++++++++++++++++++-
1 file changed, 28 insertions(+), 1 deletion(-)
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index 9cdebe7f26cb..c9934b2407c4 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -2323,6 +2323,8 @@ struct qmp_phy_cfg {
unsigned int start_ctrl;
unsigned int pwrdn_ctrl;
unsigned int mask_com_pcs_ready;
+ /* bit offset of PHYSTATUS in QPHY_PCS_STATUS register */
+ unsigned int phy_status;
/* true, if PHY has a separate PHY_COM control block */
bool has_phy_com_ctrl;
@@ -2526,6 +2528,7 @@ static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
+ .phy_status = PHYSTATUS,
};
static const struct qmp_phy_cfg msm8996_pciephy_cfg = {
@@ -2551,6 +2554,7 @@ static const struct qmp_phy_cfg msm8996_pciephy_cfg = {
.start_ctrl = PCS_START | PLL_READY_GATE_EN,
.pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
.mask_com_pcs_ready = PCS_READY,
+ .phy_status = PHYSTATUS,
.has_phy_com_ctrl = true,
.has_lane_rst = true,
@@ -2580,6 +2584,7 @@ static const struct qmp_phy_cfg msm8996_ufs_cfg = {
.start_ctrl = SERDES_START,
.pwrdn_ctrl = SW_PWRDN,
+ .phy_status = PHYSTATUS,
.no_pcs_sw_reset = true,
};
@@ -2606,6 +2611,7 @@ static const struct qmp_phy_cfg msm8996_usb3phy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
+ .phy_status = PHYSTATUS,
};
static const char * const ipq8074_pciephy_clk_l[] = {
@@ -2638,6 +2644,7 @@ static const struct qmp_phy_cfg ipq8074_pciephy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
+ .phy_status = PHYSTATUS,
.has_phy_com_ctrl = false,
.has_lane_rst = false,
@@ -2670,6 +2677,7 @@ static const struct qmp_phy_cfg sdm845_qmp_pciephy_cfg = {
.start_ctrl = PCS_START | SERDES_START,
.pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
+ .phy_status = PHYSTATUS,
.has_pwrdn_delay = true,
.pwrdn_delay_min = 995, /* us */
@@ -2698,6 +2706,7 @@ static const struct qmp_phy_cfg sdm845_qhp_pciephy_cfg = {
.start_ctrl = PCS_START | SERDES_START,
.pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
+ .phy_status = PHYSTATUS,
.has_pwrdn_delay = true,
.pwrdn_delay_min = 995, /* us */
@@ -2736,6 +2745,7 @@ static const struct qmp_phy_cfg sm8250_qmp_gen3x1_pciephy_cfg = {
.start_ctrl = PCS_START | SERDES_START,
.pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
+ .phy_status = PHYSTATUS,
.has_pwrdn_delay = true,
.pwrdn_delay_min = 995, /* us */
@@ -2774,6 +2784,7 @@ static const struct qmp_phy_cfg sm8250_qmp_gen3x2_pciephy_cfg = {
.start_ctrl = PCS_START | SERDES_START,
.pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
+ .phy_status = PHYSTATUS,
.is_dual_lane_phy = true,
.has_pwrdn_delay = true,
@@ -2803,6 +2814,7 @@ static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
+ .phy_status = PHYSTATUS,
.has_pwrdn_delay = true,
.pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
@@ -2834,6 +2846,7 @@ static const struct qmp_phy_cfg sc7180_usb3phy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
+ .phy_status = PHYSTATUS,
.has_pwrdn_delay = true,
.pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
@@ -2900,6 +2913,7 @@ static const struct qmp_phy_cfg qmp_v3_usb3_uniphy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
+ .phy_status = PHYSTATUS,
.has_pwrdn_delay = true,
.pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
@@ -2926,6 +2940,7 @@ static const struct qmp_phy_cfg sdm845_ufsphy_cfg = {
.start_ctrl = SERDES_START,
.pwrdn_ctrl = SW_PWRDN,
+ .phy_status = PHYSTATUS,
.is_dual_lane_phy = true,
.no_pcs_sw_reset = true,
@@ -2953,6 +2968,7 @@ static const struct qmp_phy_cfg msm8998_pciephy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
+ .phy_status = PHYSTATUS,
};
static const struct qmp_phy_cfg msm8998_usb3phy_cfg = {
@@ -2977,6 +2993,7 @@ static const struct qmp_phy_cfg msm8998_usb3phy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
+ .phy_status = PHYSTATUS,
.is_dual_lane_phy = true,
};
@@ -3001,6 +3018,7 @@ static const struct qmp_phy_cfg sm8150_ufsphy_cfg = {
.start_ctrl = SERDES_START,
.pwrdn_ctrl = SW_PWRDN,
+ .phy_status = PHYSTATUS,
.is_dual_lane_phy = true,
};
@@ -3027,6 +3045,8 @@ static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
+ .phy_status = PHYSTATUS,
+
.has_pwrdn_delay = true,
.pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
@@ -3058,6 +3078,7 @@ static const struct qmp_phy_cfg sm8150_usb3_uniphy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
+ .phy_status = PHYSTATUS,
.has_pwrdn_delay = true,
.pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
@@ -3086,6 +3107,7 @@ static const struct qmp_phy_cfg sm8250_usb3phy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
+ .phy_status = PHYSTATUS,
.has_pwrdn_delay = true,
.pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
@@ -3117,6 +3139,7 @@ static const struct qmp_phy_cfg sm8250_usb3_uniphy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
+ .phy_status = PHYSTATUS,
.has_pwrdn_delay = true,
.pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
@@ -3145,6 +3168,7 @@ static const struct qmp_phy_cfg sdx55_usb3_uniphy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
+ .phy_status = PHYSTATUS,
.has_pwrdn_delay = true,
.pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
@@ -3171,6 +3195,7 @@ static const struct qmp_phy_cfg sm8350_ufsphy_cfg = {
.start_ctrl = SERDES_START,
.pwrdn_ctrl = SW_PWRDN,
+ .phy_status = PHYSTATUS,
.is_dual_lane_phy = true,
};
@@ -3197,6 +3222,7 @@ static const struct qmp_phy_cfg sm8350_usb3phy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
+ .phy_status = PHYSTATUS,
.has_pwrdn_delay = true,
.pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
@@ -3228,6 +3254,7 @@ static const struct qmp_phy_cfg sm8350_usb3_uniphy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
+ .phy_status = PHYSTATUS,
.has_pwrdn_delay = true,
.pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
@@ -3843,7 +3870,7 @@ static int qcom_qmp_phy_power_on(struct phy *phy)
ready = PCS_READY;
} else {
status = pcs + cfg->regs[QPHY_PCS_STATUS];
- mask = PHYSTATUS;
+ mask = cfg->phy_status;
ready = 0;
}
--
2.25.1
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