Lines Matching refs:phy_dwc3
137 static inline void usb_phy_write_readback(struct usb_phy *phy_dwc3, in usb_phy_write_readback() argument
141 u32 write_val, tmp = readl(phy_dwc3->base + offset); in usb_phy_write_readback()
146 writel(write_val, phy_dwc3->base + offset); in usb_phy_write_readback()
149 tmp = readl(phy_dwc3->base + offset); in usb_phy_write_readback()
153 dev_err(phy_dwc3->dev, "write: %x to QSCRATCH: %x FAILED\n", val, offset); in usb_phy_write_readback()
180 static int usb_ss_write_phycreg(struct usb_phy *phy_dwc3, in usb_ss_write_phycreg() argument
185 writel(addr, phy_dwc3->base + CR_PROTOCOL_DATA_IN_REG); in usb_ss_write_phycreg()
187 phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG); in usb_ss_write_phycreg()
189 ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG); in usb_ss_write_phycreg()
193 writel(val, phy_dwc3->base + CR_PROTOCOL_DATA_IN_REG); in usb_ss_write_phycreg()
195 phy_dwc3->base + CR_PROTOCOL_CAP_DATA_REG); in usb_ss_write_phycreg()
197 ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_CAP_DATA_REG); in usb_ss_write_phycreg()
201 writel(SS_CR_WRITE_REG, phy_dwc3->base + CR_PROTOCOL_WRITE_REG); in usb_ss_write_phycreg()
203 ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_WRITE_REG); in usb_ss_write_phycreg()
207 dev_err(phy_dwc3->dev, "timeout waiting for latch\n"); in usb_ss_write_phycreg()
217 static int usb_ss_read_phycreg(struct usb_phy *phy_dwc3, in usb_ss_read_phycreg() argument
222 writel(addr, phy_dwc3->base + CR_PROTOCOL_DATA_IN_REG); in usb_ss_read_phycreg()
224 phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG); in usb_ss_read_phycreg()
226 ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG); in usb_ss_read_phycreg()
235 writel(SS_CR_READ_REG, phy_dwc3->base + CR_PROTOCOL_READ_REG); in usb_ss_read_phycreg()
237 ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_READ_REG); in usb_ss_read_phycreg()
242 readl(phy_dwc3->base + CR_PROTOCOL_DATA_OUT_REG); in usb_ss_read_phycreg()
244 writel(SS_CR_READ_REG, phy_dwc3->base + CR_PROTOCOL_READ_REG); in usb_ss_read_phycreg()
246 ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_READ_REG); in usb_ss_read_phycreg()
250 *val = readl(phy_dwc3->base + CR_PROTOCOL_DATA_OUT_REG); in usb_ss_read_phycreg()
258 struct usb_phy *phy_dwc3 = phy_get_drvdata(phy); in qcom_ipq806x_usb_hs_phy_init() local
262 ret = clk_prepare_enable(phy_dwc3->xo_clk); in qcom_ipq806x_usb_hs_phy_init()
266 ret = clk_prepare_enable(phy_dwc3->ref_clk); in qcom_ipq806x_usb_hs_phy_init()
268 clk_disable_unprepare(phy_dwc3->xo_clk); in qcom_ipq806x_usb_hs_phy_init()
283 if (!phy_dwc3->xo_clk) in qcom_ipq806x_usb_hs_phy_init()
286 writel(val, phy_dwc3->base + HSUSB_PHY_CTRL_REG); in qcom_ipq806x_usb_hs_phy_init()
290 writel(HSUSB_GCFG_XHCI_REV, phy_dwc3->base + QSCRATCH_GENERAL_CFG); in qcom_ipq806x_usb_hs_phy_init()
297 struct usb_phy *phy_dwc3 = phy_get_drvdata(phy); in qcom_ipq806x_usb_hs_phy_exit() local
299 clk_disable_unprepare(phy_dwc3->ref_clk); in qcom_ipq806x_usb_hs_phy_exit()
300 clk_disable_unprepare(phy_dwc3->xo_clk); in qcom_ipq806x_usb_hs_phy_exit()
307 struct usb_phy *phy_dwc3 = phy_get_drvdata(phy); in qcom_ipq806x_usb_ss_phy_init() local
311 ret = clk_prepare_enable(phy_dwc3->xo_clk); in qcom_ipq806x_usb_ss_phy_init()
315 ret = clk_prepare_enable(phy_dwc3->ref_clk); in qcom_ipq806x_usb_ss_phy_init()
317 clk_disable_unprepare(phy_dwc3->xo_clk); in qcom_ipq806x_usb_ss_phy_init()
322 data = readl(phy_dwc3->base + SSUSB_PHY_CTRL_REG); in qcom_ipq806x_usb_ss_phy_init()
324 phy_dwc3->base + SSUSB_PHY_CTRL_REG); in qcom_ipq806x_usb_ss_phy_init()
326 writel(data, phy_dwc3->base + SSUSB_PHY_CTRL_REG); in qcom_ipq806x_usb_ss_phy_init()
329 if (!phy_dwc3->xo_clk) in qcom_ipq806x_usb_ss_phy_init()
334 writel(data, phy_dwc3->base + SSUSB_PHY_CTRL_REG); in qcom_ipq806x_usb_ss_phy_init()
340 writel(data, phy_dwc3->base + SSUSB_PHY_CTRL_REG); in qcom_ipq806x_usb_ss_phy_init()
347 ret = usb_ss_read_phycreg(phy_dwc3, 0x102D, &data); in qcom_ipq806x_usb_ss_phy_init()
352 ret = usb_ss_write_phycreg(phy_dwc3, 0x102D, data); in qcom_ipq806x_usb_ss_phy_init()
356 ret = usb_ss_read_phycreg(phy_dwc3, 0x1010, &data); in qcom_ipq806x_usb_ss_phy_init()
362 ret = usb_ss_write_phycreg(phy_dwc3, 0x1010, data); in qcom_ipq806x_usb_ss_phy_init()
373 ret = usb_ss_read_phycreg(phy_dwc3, SSPHY_CTRL_RX_OVRD_IN_HI(0), &data); in qcom_ipq806x_usb_ss_phy_init()
380 data |= RX_OVRD_IN_HI_RX_EQ(phy_dwc3->rx_eq); in qcom_ipq806x_usb_ss_phy_init()
382 ret = usb_ss_write_phycreg(phy_dwc3, in qcom_ipq806x_usb_ss_phy_init()
393 ret = usb_ss_read_phycreg(phy_dwc3, in qcom_ipq806x_usb_ss_phy_init()
399 data |= TX_OVRD_DRV_LO_PREEMPH(phy_dwc3->tx_deamp_3_5db); in qcom_ipq806x_usb_ss_phy_init()
403 ret = usb_ss_write_phycreg(phy_dwc3, in qcom_ipq806x_usb_ss_phy_init()
410 data |= SSPHY_MPLL(phy_dwc3->mpll); in qcom_ipq806x_usb_ss_phy_init()
411 usb_ss_write_phycreg(phy_dwc3, 0x30, data); in qcom_ipq806x_usb_ss_phy_init()
420 data = readl(phy_dwc3->base + SSUSB_PHY_PARAM_CTRL_1); in qcom_ipq806x_usb_ss_phy_init()
426 PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB(phy_dwc3->tx_deamp_3_5db) | in qcom_ipq806x_usb_ss_phy_init()
429 usb_phy_write_readback(phy_dwc3, SSUSB_PHY_PARAM_CTRL_1, in qcom_ipq806x_usb_ss_phy_init()
438 struct usb_phy *phy_dwc3 = phy_get_drvdata(phy); in qcom_ipq806x_usb_ss_phy_exit() local
445 usb_phy_write_readback(phy_dwc3, SSUSB_PHY_CTRL_REG, in qcom_ipq806x_usb_ss_phy_exit()
447 usb_phy_write_readback(phy_dwc3, SSUSB_PHY_CTRL_REG, in qcom_ipq806x_usb_ss_phy_exit()
449 usb_phy_write_readback(phy_dwc3, SSUSB_PHY_CTRL_REG, in qcom_ipq806x_usb_ss_phy_exit()
452 clk_disable_unprepare(phy_dwc3->ref_clk); in qcom_ipq806x_usb_ss_phy_exit()
453 clk_disable_unprepare(phy_dwc3->xo_clk); in qcom_ipq806x_usb_ss_phy_exit()
490 struct usb_phy *phy_dwc3; in qcom_ipq806x_usb_phy_probe() local
494 phy_dwc3 = devm_kzalloc(&pdev->dev, sizeof(*phy_dwc3), GFP_KERNEL); in qcom_ipq806x_usb_phy_probe()
495 if (!phy_dwc3) in qcom_ipq806x_usb_phy_probe()
500 phy_dwc3->dev = &pdev->dev; in qcom_ipq806x_usb_phy_probe()
506 phy_dwc3->base = devm_ioremap(phy_dwc3->dev, res->start, size); in qcom_ipq806x_usb_phy_probe()
508 if (!phy_dwc3->base) { in qcom_ipq806x_usb_phy_probe()
509 dev_err(phy_dwc3->dev, "failed to map reg\n"); in qcom_ipq806x_usb_phy_probe()
513 phy_dwc3->ref_clk = devm_clk_get(phy_dwc3->dev, "ref"); in qcom_ipq806x_usb_phy_probe()
514 if (IS_ERR(phy_dwc3->ref_clk)) { in qcom_ipq806x_usb_phy_probe()
515 dev_dbg(phy_dwc3->dev, "cannot get reference clock\n"); in qcom_ipq806x_usb_phy_probe()
516 return PTR_ERR(phy_dwc3->ref_clk); in qcom_ipq806x_usb_phy_probe()
519 clk_set_rate(phy_dwc3->ref_clk, data->clk_rate); in qcom_ipq806x_usb_phy_probe()
521 phy_dwc3->xo_clk = devm_clk_get(phy_dwc3->dev, "xo"); in qcom_ipq806x_usb_phy_probe()
522 if (IS_ERR(phy_dwc3->xo_clk)) { in qcom_ipq806x_usb_phy_probe()
523 dev_dbg(phy_dwc3->dev, "cannot get TCXO clock\n"); in qcom_ipq806x_usb_phy_probe()
524 phy_dwc3->xo_clk = NULL; in qcom_ipq806x_usb_phy_probe()
529 &phy_dwc3->rx_eq)) in qcom_ipq806x_usb_phy_probe()
530 phy_dwc3->rx_eq = SSPHY_RX_EQ_VALUE; in qcom_ipq806x_usb_phy_probe()
533 &phy_dwc3->tx_deamp_3_5db)) in qcom_ipq806x_usb_phy_probe()
534 phy_dwc3->tx_deamp_3_5db = SSPHY_TX_DEEMPH_3_5DB; in qcom_ipq806x_usb_phy_probe()
536 if (device_property_read_u32(&pdev->dev, "qcom,mpll", &phy_dwc3->mpll)) in qcom_ipq806x_usb_phy_probe()
537 phy_dwc3->mpll = SSPHY_MPLL_VALUE; in qcom_ipq806x_usb_phy_probe()
539 generic_phy = devm_phy_create(phy_dwc3->dev, pdev->dev.of_node, &data->ops); in qcom_ipq806x_usb_phy_probe()
544 phy_set_drvdata(generic_phy, phy_dwc3); in qcom_ipq806x_usb_phy_probe()
545 platform_set_drvdata(pdev, phy_dwc3); in qcom_ipq806x_usb_phy_probe()
547 phy_provider = devm_of_phy_provider_register(phy_dwc3->dev, in qcom_ipq806x_usb_phy_probe()