phy/broadcom/phy-bcm-ns2-usbdrd.c

67 	struct ns2_phy_driver *driver;
79 				struct ns2_phy_driver *driver)
83 	return readl_poll_timeout_atomic(driver->icfgdrd_regs + usb_reg,
91 	struct ns2_phy_driver *driver = data->driver;
94 	val = readl(driver->icfgdrd_regs + ICFG_FSM_CTRL);
103 	writel(val, driver->icfgdrd_regs + ICFG_FSM_CTRL);
111 	struct ns2_phy_driver *driver = data->driver;
114 	val = readl(driver->crmu_usb2_ctrl);
116 	writel(val, driver->crmu_usb2_ctrl);
118 	val = readl(driver->crmu_usb2_ctrl);
120 	writel(val, driver->crmu_usb2_ctrl);
123 	val = readl(driver->icfgdrd_regs + ICFG_FSM_CTRL);
125 	writel(val, driver->icfgdrd_regs + ICFG_FSM_CTRL);
133 	struct ns2_phy_driver *driver = data->driver;
139 		writel(DRD_DEV_VAL, driver->icfgdrd_regs + ICFG_DRD_P0CTL);
141 		val = readl(driver->idmdrd_rst_ctrl);
143 		writel(val, driver->idmdrd_rst_ctrl);
145 		val = readl(driver->crmu_usb2_ctrl);
147 		writel(val, driver->crmu_usb2_ctrl);
150 		val = readl(driver->crmu_usb2_ctrl);
152 		writel(val, driver->crmu_usb2_ctrl);
154 		ret = pll_lock_stat(ICFG_MISC_STAT, PHY_PLL_LOCK, driver);
160 		writel(DRD_HOST_VAL, driver->icfgdrd_regs + ICFG_DRD_P0CTL);
162 		val = readl(driver->crmu_usb2_ctrl);
164 		writel(val, driver->crmu_usb2_ctrl);
166 		ret = pll_lock_stat(ICFG_MISC_STAT, PHY_PLL_LOCK, driver);
172 		val = readl(driver->idmdrd_rst_ctrl);
174 		writel(val, driver->idmdrd_rst_ctrl);
177 		val = readl(driver->usb2h_strap_reg);
179 		writel(val, driver->usb2h_strap_reg);
185 static void connect_change(struct ns2_phy_driver *driver)
190 	extcon_event = driver->data->new_state;
191 	val = readl(driver->icfgdrd_regs + ICFG_FSM_CTRL);
196 		writel(val, driver->icfgdrd_regs + ICFG_FSM_CTRL);
199 		writel(val, driver->icfgdrd_regs + ICFG_FSM_CTRL);
201 		val = readl(driver->icfgdrd_regs + ICFG_DRD_P0CTL);
203 		writel(val, driver->icfgdrd_regs + ICFG_DRD_P0CTL);
208 		writel(val, driver->icfgdrd_regs + ICFG_FSM_CTRL);
211 		writel(val, driver->icfgdrd_regs + ICFG_FSM_CTRL);
213 		val = readl(driver->usb2h_strap_reg);
215 		writel(val, driver->usb2h_strap_reg);
217 		val = readl(driver->icfgdrd_regs + ICFG_DRD_P0CTL);
219 		writel(val, driver->icfgdrd_regs + ICFG_DRD_P0CTL);
230 	struct ns2_phy_driver *driver;
234 	driver  = container_of(to_delayed_work(work),
237 	id = gpiod_get_value_cansleep(driver->id_gpiod);
238 	vbus = gpiod_get_value_cansleep(driver->vbus_gpiod);
241 		extcon_set_state_sync(driver->edev, EXTCON_USB_HOST, true);
243 		driver->data->new_state = EVT_HOST;
244 		connect_change(driver);
246 		extcon_set_state_sync(driver->edev, EXTCON_USB_HOST, false);
247 		extcon_set_state_sync(driver->edev, EXTCON_USB, false);
250 		extcon_set_state_sync(driver->edev, EXTCON_USB, true);
252 		driver->data->new_state = EVT_DEVICE;
253 		connect_change(driver);
259 	struct ns2_phy_driver *driver = dev_id;
261 	queue_delayed_work(system_power_efficient_wq, &driver->wq_extcon,
262 			   driver->debounce_jiffies);
284 	struct ns2_phy_driver *driver;
289 	driver = devm_kzalloc(dev, sizeof(struct ns2_phy_driver),
291 	if (!driver)
294 	driver->data = devm_kzalloc(dev, sizeof(struct ns2_phy_data),
296 	if (!driver->data)
299 	driver->icfgdrd_regs = devm_platform_ioremap_resource_byname(pdev, "icfg");
300 	if (IS_ERR(driver->icfgdrd_regs))
301 		return PTR_ERR(driver->icfgdrd_regs);
303 	driver->idmdrd_rst_ctrl = devm_platform_ioremap_resource_byname(pdev, "rst-ctrl");
304 	if (IS_ERR(driver->idmdrd_rst_ctrl))
305 		return PTR_ERR(driver->idmdrd_rst_ctrl);
307 	driver->crmu_usb2_ctrl = devm_platform_ioremap_resource_byname(pdev, "crmu-ctrl");
308 	if (IS_ERR(driver->crmu_usb2_ctrl))
309 		return PTR_ERR(driver->crmu_usb2_ctrl);
311 	driver->usb2h_strap_reg = devm_platform_ioremap_resource_byname(pdev, "usb2-strap");
312 	if (IS_ERR(driver->usb2h_strap_reg))
313 		return PTR_ERR(driver->usb2h_strap_reg);
316 	driver->id_gpiod = devm_gpiod_get(&pdev->dev, "id", GPIOD_IN);
317 	if (IS_ERR(driver->id_gpiod)) {
319 		return PTR_ERR(driver->id_gpiod);
321 	driver->vbus_gpiod = devm_gpiod_get(&pdev->dev, "vbus", GPIOD_IN);
322 	if (IS_ERR(driver->vbus_gpiod)) {
324 		return PTR_ERR(driver->vbus_gpiod);
327 	driver->edev = devm_extcon_dev_allocate(dev, usb_extcon_cable);
328 	if (IS_ERR(driver->edev)) {
333 	ret = devm_extcon_dev_register(dev, driver->edev);
339 	ret = gpiod_set_debounce(driver->id_gpiod, GPIO_DELAY * 1000);
341 		driver->debounce_jiffies = msecs_to_jiffies(GPIO_DELAY);
343 	INIT_DELAYED_WORK(&driver->wq_extcon, extcon_work);
345 	driver->id_irq = gpiod_to_irq(driver->id_gpiod);
346 	if (driver->id_irq < 0) {
348 		return driver->id_irq;
351 	driver->vbus_irq = gpiod_to_irq(driver->vbus_gpiod);
352 	if (driver->vbus_irq < 0) {
354 		return driver->vbus_irq;
357 	ret = devm_request_irq(dev, driver->id_irq, gpio_irq_handler,
359 			       "usb_id", driver);
365 	ret = devm_request_irq(dev, driver->vbus_irq, gpio_irq_handler,
367 			       "usb_vbus", driver);
373 	dev_set_drvdata(dev, driver);
376 	val = readl(driver->crmu_usb2_ctrl);
378 	writel(val, driver->crmu_usb2_ctrl);
380 	data = driver->data;
387 	data->driver = driver;
396 	platform_set_drvdata(pdev, driver);
399 	queue_delayed_work(system_power_efficient_wq, &driver->wq_extcon,
400 			   driver->debounce_jiffies);
407 	.driver = {
416 MODULE_DESCRIPTION("Broadcom NS2 USB2 PHY driver");