I2C接口,用于USB 1.1 FS模式下的OTG控制 通用I/O (GPIO)接口 SOF更新翻转接口(不用于DWC otg) SOF输入计数接口(不用于DWC otg) 用于设备和主机模式的基于描述符的分散/聚集DMA控制器(Descriptor-Based Scatter/Gather DMA)。(不支持Descriptor-BasedCongruent-Sequential DMA)。 这里有必要提一下Descriptor-Based Sc...
[ 1.598530] dwc2 13500000.otg: DWC OTG Controller [ 1.603444] dwc2 13500000.otg: new USB bus registered, assigned bus number 1 [ 1.610775] dwc2 13500000.otg: irq 9, io mem 0x00000000 dwc2就是usb2.0的一个控制器,dw是DesignWare是一个IP核设计公司。 https://www.synopsys.com/dw/ipdir.ph...
Description: USB 2.0 Hi-Speed OTG Controller Subsystem w/AHB Interface Supporting HSIC (config. as Device only or Full Speed only) Name: dwc_usb_2_0_hs_otg_subsystem-ahb Version: 5.00b ECCN: 5E991/NLR STARs: Open and/or Closed STARs myDesignWare: Subscribe for Notifications Product Type:...
PMU IfMux 模块 该模块实现多路line_state复用,检测line_state改变,多路复用不同接口的状态,检测状态的改变,OTG Revision 2.0 和 OTG Revision 1.3 SRP的检测。 PMU Sync 模块 用于同步DWC_otg_pmu_ahb_slv和PMU接口逻辑的时钟域信号。 ADP模块 支持ADP:Attach Detection Protocol探测和活动感知,需要IP配置OTG_ADP...
* the controller to account for this delay. * * @hsotg: Programming view of DWC_otg controller * @host: Host mode flag */ void dwc2_force_mode(struct dwc2_hsotg *hsotg, bool host) { @@ -610,6 +615,8 @@ void dwc2_force_mode(struct dwc2_hsotg *hsotg, bool host) * or ...
5010 + * 5011 + * @hsotg: Programming view of DWC_otg controller 5012 + * 5013 + */ 5014 + void dwc2_gadget_program_ref_clk(struct dwc2_hsotg *hsotg) 5015 + { 5016 + u32 val = 0; 5017 + 5018 + val |= GREFCLK_REF_CLK_MODE; 5019...
Solved: Hi! After starting custom board there are a lot of similar messages in dmesg (10 per second): [ 200.480616] dwc2 49000000.usb-otg:
"DWC OTG HCD Interrupt Detected gintsts&gintmsk=0x%08x\n", gintsts); - if (gintsts & GINTSTS_SOF) + if (gintsts & GINTSTS_SOF) { dwc2_sof_intr(hsotg); - if (gintsts & GINTSTS_RXFLVL) + retval = IRQ_HANDLED; + }
[ 1.598530] dwc2 13500000.otg: DWC OTG Controller [ 1.603444] dwc2 13500000.otg: new USB bus registered, assigned bus number 1 [ 1.610775] dwc2 13500000.otg: irq 9, io mem 0x00000000 dwc2就是usb2.0的一个控制器,dw是DesignWare是一个IP核设计公司。
Controller Global CSRs (1 KB)部分:主机和设备模式都可以访问 Host Mode CSRs (1 KB):进入主机模式需要配置的寄存器 Device Mode CSRs (1.5 KB):进入设备模式需要配置的寄存器 Power and Clock Gating CSRs (0.5 KB):实际只有一个寄存器,电源和门控配置,主机和设备模式都可以访问。