summaryrefslogtreecommitdiff
path: root/drivers/phy/qualcomm/phy-qcom-qmp.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/phy/qualcomm/phy-qcom-qmp.c')
-rw-r--r--drivers/phy/qualcomm/phy-qcom-qmp.c44
1 files changed, 23 insertions, 21 deletions
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index 34ff6434da8f..39e8deb8001e 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -35,7 +35,7 @@
#define PLL_READY_GATE_EN BIT(3)
/* QPHY_PCS_STATUS bit */
#define PHYSTATUS BIT(6)
-/* QPHY_COM_PCS_READY_STATUS bit */
+/* QPHY_PCS_READY_STATUS & QPHY_COM_PCS_READY_STATUS bit */
#define PCS_READY BIT(0)
/* QPHY_V3_DP_COM_RESET_OVRD_CTRL register bits */
@@ -115,6 +115,7 @@ enum qphy_reg_layout {
QPHY_SW_RESET,
QPHY_START_CTRL,
QPHY_PCS_READY_STATUS,
+ QPHY_PCS_STATUS,
QPHY_PCS_AUTONOMOUS_MODE_CTRL,
QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR,
QPHY_PCS_LFPS_RXTERM_IRQ_STATUS,
@@ -133,7 +134,7 @@ static const unsigned int pciephy_regs_layout[] = {
[QPHY_FLL_MAN_CODE] = 0xd4,
[QPHY_SW_RESET] = 0x00,
[QPHY_START_CTRL] = 0x08,
- [QPHY_PCS_READY_STATUS] = 0x174,
+ [QPHY_PCS_STATUS] = 0x174,
};
static const unsigned int usb3phy_regs_layout[] = {
@@ -144,7 +145,7 @@ static const unsigned int usb3phy_regs_layout[] = {
[QPHY_FLL_MAN_CODE] = 0xd0,
[QPHY_SW_RESET] = 0x00,
[QPHY_START_CTRL] = 0x08,
- [QPHY_PCS_READY_STATUS] = 0x17c,
+ [QPHY_PCS_STATUS] = 0x17c,
[QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x0d4,
[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x0d8,
[QPHY_PCS_LFPS_RXTERM_IRQ_STATUS] = 0x178,
@@ -153,7 +154,7 @@ static const unsigned int usb3phy_regs_layout[] = {
static const unsigned int qmp_v3_usb3phy_regs_layout[] = {
[QPHY_SW_RESET] = 0x00,
[QPHY_START_CTRL] = 0x08,
- [QPHY_PCS_READY_STATUS] = 0x174,
+ [QPHY_PCS_STATUS] = 0x174,
[QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x0d8,
[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x0dc,
[QPHY_PCS_LFPS_RXTERM_IRQ_STATUS] = 0x170,
@@ -911,7 +912,6 @@ struct qmp_phy_cfg {
unsigned int start_ctrl;
unsigned int pwrdn_ctrl;
- unsigned int mask_pcs_ready;
unsigned int mask_com_pcs_ready;
/* true, if PHY has a separate PHY_COM control block */
@@ -1074,7 +1074,6 @@ 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_pcs_ready = PHYSTATUS,
.mask_com_pcs_ready = PCS_READY,
.has_phy_com_ctrl = true,
@@ -1106,7 +1105,6 @@ static const struct qmp_phy_cfg msm8996_usb3phy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
- .mask_pcs_ready = PHYSTATUS,
};
/* list of resets */
@@ -1136,7 +1134,6 @@ static const struct qmp_phy_cfg ipq8074_pciephy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
- .mask_pcs_ready = PHYSTATUS,
.has_phy_com_ctrl = false,
.has_lane_rst = false,
@@ -1167,7 +1164,6 @@ static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
- .mask_pcs_ready = PHYSTATUS,
.has_pwrdn_delay = true,
.pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
@@ -1199,7 +1195,6 @@ static const struct qmp_phy_cfg qmp_v3_usb3_uniphy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
- .mask_pcs_ready = PHYSTATUS,
.has_pwrdn_delay = true,
.pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
@@ -1226,7 +1221,6 @@ static const struct qmp_phy_cfg sdm845_ufsphy_cfg = {
.start_ctrl = SERDES_START,
.pwrdn_ctrl = SW_PWRDN,
- .mask_pcs_ready = PCS_READY,
.is_dual_lane_phy = true,
.no_pcs_sw_reset = true,
@@ -1254,7 +1248,6 @@ static const struct qmp_phy_cfg msm8998_pciephy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
- .mask_pcs_ready = PHYSTATUS,
};
static const struct qmp_phy_cfg msm8998_usb3phy_cfg = {
@@ -1279,7 +1272,6 @@ static const struct qmp_phy_cfg msm8998_usb3phy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
- .mask_pcs_ready = PHYSTATUS,
.is_dual_lane_phy = true,
};
@@ -1457,7 +1449,7 @@ static int qcom_qmp_phy_enable(struct phy *phy)
void __iomem *pcs = qphy->pcs;
void __iomem *dp_com = qmp->dp_com;
void __iomem *status;
- unsigned int mask, val;
+ unsigned int mask, val, ready;
int ret;
dev_vdbg(qmp->dev, "Initializing QMP phy\n");
@@ -1545,10 +1537,17 @@ static int qcom_qmp_phy_enable(struct phy *phy)
/* start SerDes and Phy-Coding-Sublayer */
qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);
- status = pcs + cfg->regs[QPHY_PCS_READY_STATUS];
- mask = cfg->mask_pcs_ready;
+ if (cfg->type == PHY_TYPE_UFS) {
+ status = pcs + cfg->regs[QPHY_PCS_READY_STATUS];
+ mask = PCS_READY;
+ ready = PCS_READY;
+ } else {
+ status = pcs + cfg->regs[QPHY_PCS_STATUS];
+ mask = PHYSTATUS;
+ ready = 0;
+ }
- ret = readl_poll_timeout(status, val, val & mask, 10,
+ ret = readl_poll_timeout(status, val, (val & mask) == ready, 10,
PHY_INIT_COMPLETE_TIMEOUT);
if (ret) {
dev_err(qmp->dev, "phy initialization timed-out\n");
@@ -2093,8 +2092,7 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
if (ret) {
dev_err(dev, "failed to create lane%d phy, %d\n",
id, ret);
- pm_runtime_disable(dev);
- return ret;
+ goto err_node_put;
}
/*
@@ -2105,8 +2103,7 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
if (ret) {
dev_err(qmp->dev,
"failed to register pipe clock source\n");
- pm_runtime_disable(dev);
- return ret;
+ goto err_node_put;
}
id++;
}
@@ -2118,6 +2115,11 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
pm_runtime_disable(dev);
return PTR_ERR_OR_ZERO(phy_provider);
+
+err_node_put:
+ pm_runtime_disable(dev);
+ of_node_put(child);
+ return ret;
}
static struct platform_driver qcom_qmp_phy_driver = {
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-23 03:37:25 +0300