host seems to work on nRF54LM20

Author: Josuah Demangeon

drivers/usb/uhc/uhc_dwc2_vendor_quirks.h

@@ -186,7 +186,7 @@ static inline int esp32_usb_otg_get_phy_clock(struct phy_context_t *phy_ctx)
 																				\
 	static int esp32_usb_otg_disable_phy_##n(const struct device *dev)          \
 	{                                                                           \
-		return esp32_usb_otg_enable_phy(&phy_ctx_##n, false);                   \
+		return esp32_usb_otg_disable_phy(&phy_ctx_##n, false);                   \
 	}                                                                           \
 	static int esp32_usb_int_enable_func_##n(const struct device *dev)          \
 	{                                                                           \
@@ -258,27 +258,6 @@ static void vregusb_isr(const void *arg)
 	}
 }
 
-static inline int usbhs_init_vreg_and_clock(const struct device *dev)
-{
-	IRQ_CONNECT(VREGUSB_IRQn, NRF_DEFAULT_IRQ_PRIORITY,
-		    vregusb_isr, DEVICE_DT_INST_GET(0), 0);
-
-	NRF_VREGUSB->INTEN = VREGUSB_INTEN_VBUSDETECTED_Msk |
-			     VREGUSB_INTEN_VBUSREMOVED_Msk;
-	NRF_VREGUSB->TASKS_START = 1;
-
-	/* TODO: Determine conditions when VBUSDETECTED is not generated */
-	if (sys_read32((mem_addr_t)NRF_VREGUSB + 0x400) & BIT(2)) {
-		k_event_post(&usbhs_events, USBHS_VBUS_READY);
-		//uhc_submit_event(dev, UHC_EVT_VBUS_READY, 0);
-	}
-
-	irq_enable(VREGUSB_IRQn);
-	pclk24m_mgr = z_nrf_clock_control_get_onoff(CLOCK_CONTROL_NRF_SUBSYS_HF24M);
-
-	return 0;
-}
-
 static inline int usbhs_enable_core(const struct device *dev)
 {
 	LOG_MODULE_DECLARE(uhc_dwc2, CONFIG_UHC_DRIVER_LOG_LEVEL);
@@ -345,6 +324,36 @@ static inline int usbhs_disable_core(const struct device *dev)
 	return 0;
 }
 
+static inline int usbhs_init_vreg_and_clock_and_core(const struct device *dev)
+{
+	/* Init VREG */
+
+	IRQ_CONNECT(VREGUSB_IRQn, NRF_DEFAULT_IRQ_PRIORITY,
+		    vregusb_isr, DEVICE_DT_INST_GET(0), 0);
+
+	NRF_VREGUSB->INTEN = VREGUSB_INTEN_VBUSDETECTED_Msk |
+			     VREGUSB_INTEN_VBUSREMOVED_Msk;
+	NRF_VREGUSB->TASKS_START = 1;
+
+	/* TODO: Determine conditions when VBUSDETECTED is not generated */
+	if (sys_read32((mem_addr_t)NRF_VREGUSB + 0x400) & BIT(2)) {
+		k_event_post(&usbhs_events, USBHS_VBUS_READY);
+		//uhc_submit_event(dev, UHC_EVT_VBUS_READY, 0);
+	}
+
+	irq_enable(VREGUSB_IRQn);
+
+	/* Init the clock */
+
+	pclk24m_mgr = z_nrf_clock_control_get_onoff(CLOCK_CONTROL_NRF_SUBSYS_HF24M);
+
+	/* Enable the core */
+
+	return usbhs_enable_core(dev);
+
+	/* It is now possible to access the configuration registers */
+}
+
 static inline int usbhs_disable_vreg(const struct device *dev)
 {
 	NRF_VREGUSB->INTEN = 0;
@@ -422,7 +431,7 @@ static inline int usbhs_pre_hibernation_exit(const struct device *dev)
 	}									\
 										\
 	struct uhc_dwc2_vendor_quirks uhc_dwc2_vendor_quirks_##n = {		\
-		.init = usbhs_init_vreg_and_clock,				\
+		.init = usbhs_init_vreg_and_clock_and_core,			\
 		.pre_enable = usbhs_enable_core,				\
 		.disable = usbhs_disable_core,					\
 		.shutdown = usbhs_disable_vreg,					\