usb: dwc2: gadget: Add parameters for GREFCLK register (f3a61e4e) · Commits · 戴 / test

drivers/usb/dwc2/core.h

+18 −0

Original line number	Diff line number	Diff line
		@@ -393,6 +393,20 @@ enum dwc2_ep0_state {
		* 0 - No
		* 1 - Yes
		* @hird_threshold: Value of BESL or HIRD Threshold.
		* @ref_clk_per: Indicates in terms of pico seconds the period
		* of ref_clk.
		* 62500 - 16MHz
		* 58823 - 17MHz
		* 52083 - 19.2MHz
		* 50000 - 20MHz
		* 41666 - 24MHz
		* 33333 - 30MHz (default)
		* 25000 - 40MHz
		* @sof_cnt_wkup_alert: Indicates in term of number of SOF's after which
		* the controller should generate an interrupt if the
		* device had been in L1 state until that period.
		* This is used by SW to initiate Remote WakeUp in the
		* controller so as to sync to the uF number from the host.
		* @activate_stm_fs_transceiver: Activate internal transceiver using GGPIO
		* register.
		* 0 - Deactivate the transceiver (default)
		@@ -472,6 +486,10 @@ struct dwc2_core_params {
		u32 max_transfer_size;
		u32 ahbcfg;

		/* GREFCLK parameters */
		u32 ref_clk_per;
		u16 sof_cnt_wkup_alert;

		/* Host parameters */
		bool host_dma;
		bool dma_desc_enable;

+2 −0

Original line number	Diff line number	Diff line
		@@ -303,6 +303,8 @@ static void dwc2_set_default_params(struct dwc2_hsotg *hsotg)
		p->max_packet_count = hw->max_packet_count;
		p->max_transfer_size = hw->max_transfer_size;
		p->ahbcfg = GAHBCFG_HBSTLEN_INCR << GAHBCFG_HBSTLEN_SHIFT;
		p->ref_clk_per = 33333;
		p->sof_cnt_wkup_alert = 100;

		if ((hsotg->dr_mode == USB_DR_MODE_HOST) \|\|
		(hsotg->dr_mode == USB_DR_MODE_OTG)) {