Lines Matching refs:phy
17 #include <linux/phy/omap_control_phy.h>
18 #include <linux/phy/omap_usb.h>
19 #include <linux/phy/phy.h>
54 struct usb_phy phy;
70 #define phy_to_omapusb(x) container_of((x), struct omap_usb, phy)
93 * this phy
94 * @comparator - the companion phy(comparator) for this phy
96 * The phy companion driver should call this API passing the phy_companion
97 * filled with set_vbus and start_srp to be used by usb phy.
99 * For use by phy companion driver
103 struct omap_usb *phy;
109 phy = phy_to_omapusb(x);
110 phy->comparator = comparator;
117 struct omap_usb *phy = phy_to_omapusb(otg->usb_phy);
119 if (!phy->comparator || !phy->comparator->set_vbus)
122 return phy->comparator->set_vbus(phy->comparator, enabled);
127 struct omap_usb *phy = phy_to_omapusb(otg->usb_phy);
129 if (!phy->comparator || !phy->comparator->start_srp)
132 return phy->comparator->start_srp(phy->comparator);
154 static int omap_usb_phy_power(struct omap_usb *phy, int on)
159 if (!phy->syscon_phy_power) {
160 omap_control_phy_power(phy->control_dev, on);
165 val = phy->power_on;
167 val = phy->power_off;
169 ret = regmap_update_bits(phy->syscon_phy_power, phy->power_reg,
170 phy->mask, val);
174 static int omap_usb_power_off(struct phy *x)
176 struct omap_usb *phy = phy_get_drvdata(x);
178 return omap_usb_phy_power(phy, false);
181 static int omap_usb_power_on(struct phy *x)
183 struct omap_usb *phy = phy_get_drvdata(x);
185 return omap_usb_phy_power(phy, true);
188 static int omap_usb2_disable_clocks(struct omap_usb *phy)
190 clk_disable_unprepare(phy->wkupclk);
191 if (!IS_ERR(phy->optclk))
192 clk_disable_unprepare(phy->optclk);
197 static int omap_usb2_enable_clocks(struct omap_usb *phy)
201 ret = clk_prepare_enable(phy->wkupclk);
203 dev_err(phy->dev, "Failed to enable wkupclk %d\n", ret);
207 if (!IS_ERR(phy->optclk)) {
208 ret = clk_prepare_enable(phy->optclk);
210 dev_err(phy->dev, "Failed to enable optclk %d\n", ret);
218 clk_disable_unprepare(phy->wkupclk);
224 static int omap_usb_init(struct phy *x)
226 struct omap_usb *phy = phy_get_drvdata(x);
229 omap_usb2_enable_clocks(phy);
231 if (phy->flags & OMAP_USB2_CALIBRATE_FALSE_DISCONNECT) {
240 val = omap_usb_readl(phy->phy_base, USB2PHY_ANA_CONFIG1);
242 omap_usb_writel(phy->phy_base, USB2PHY_ANA_CONFIG1, val);
245 if (phy->flags & OMAP_USB2_DISABLE_CHRG_DET) {
246 val = omap_usb_readl(phy->phy_base, USB2PHY_CHRG_DET);
249 omap_usb_writel(phy->phy_base, USB2PHY_CHRG_DET, val);
255 static int omap_usb_exit(struct phy *x)
257 struct omap_usb *phy = phy_get_drvdata(x);
259 return omap_usb2_disable_clocks(phy);
345 static void omap_usb2_init_errata(struct omap_usb *phy)
362 phy->flags |= OMAP_USB2_DISABLE_CHRG_DET;
367 struct omap_usb *phy;
368 struct phy *generic_phy;
385 phy = devm_kzalloc(&pdev->dev, sizeof(*phy), GFP_KERNEL);
386 if (!phy)
393 phy->dev = &pdev->dev;
395 phy->phy.dev = phy->dev;
396 phy->phy.label = phy_data->label;
397 phy->phy.otg = otg;
398 phy->phy.type = USB_PHY_TYPE_USB2;
399 phy->mask = phy_data->mask;
400 phy->power_on = phy_data->power_on;
401 phy->power_off = phy_data->power_off;
402 phy->flags = phy_data->flags;
404 omap_usb2_init_errata(phy);
407 phy->phy_base = devm_ioremap_resource(&pdev->dev, res);
408 if (IS_ERR(phy->phy_base))
409 return PTR_ERR(phy->phy_base);
411 phy->syscon_phy_power = syscon_regmap_lookup_by_phandle(node,
412 "syscon-phy-power");
413 if (IS_ERR(phy->syscon_phy_power)) {
415 "can't get syscon-phy-power, using control device\n");
416 phy->syscon_phy_power = NULL;
430 phy->control_dev = &control_pdev->dev;
433 "syscon-phy-power", 1,
434 &phy->power_reg)) {
441 phy->wkupclk = devm_clk_get(phy->dev, "wkupclk");
442 if (IS_ERR(phy->wkupclk)) {
443 if (PTR_ERR(phy->wkupclk) == -EPROBE_DEFER)
447 PTR_ERR(phy->wkupclk));
448 phy->wkupclk = devm_clk_get(phy->dev, "usb_phy_cm_clk32k");
450 if (IS_ERR(phy->wkupclk)) {
451 if (PTR_ERR(phy->wkupclk) != -EPROBE_DEFER)
453 return PTR_ERR(phy->wkupclk);
460 phy->optclk = devm_clk_get(phy->dev, "refclk");
461 if (IS_ERR(phy->optclk)) {
462 if (PTR_ERR(phy->optclk) == -EPROBE_DEFER)
466 phy->optclk = devm_clk_get(phy->dev, "usb_otg_ss_refclk960m");
468 if (IS_ERR(phy->optclk)) {
469 if (PTR_ERR(phy->optclk) != -EPROBE_DEFER) {
485 otg->usb_phy = &phy->phy;
487 platform_set_drvdata(pdev, phy);
488 pm_runtime_enable(phy->dev);
490 generic_phy = devm_phy_create(phy->dev, NULL, &ops);
492 pm_runtime_disable(phy->dev);
496 phy_set_drvdata(generic_phy, phy);
499 phy_provider = devm_of_phy_provider_register(phy->dev,
502 pm_runtime_disable(phy->dev);
506 usb_add_phy_dev(&phy->phy);
513 struct omap_usb *phy = platform_get_drvdata(pdev);
515 usb_remove_phy(&phy->phy);
516 pm_runtime_disable(phy->dev);
534 MODULE_DESCRIPTION("OMAP USB2 phy driver");