usb: dwc2: gadget: Add parameters for GREFCLK register
Added ref_clk_per and sof_cnt_wkup_alert parameters in dwc2_core_params struct and set default values. Acked-by: Minas Harutyunyan <hminas@synopsys.com> Signed-off-by: Grigor Tovmasyan <tovmasya@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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@ -393,6 +393,20 @@ enum dwc2_ep0_state {
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* 0 - No
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* 1 - Yes
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* @hird_threshold: Value of BESL or HIRD Threshold.
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* @ref_clk_per: Indicates in terms of pico seconds the period
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* of ref_clk.
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* 62500 - 16MHz
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* 58823 - 17MHz
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* 52083 - 19.2MHz
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* 50000 - 20MHz
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* 41666 - 24MHz
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* 33333 - 30MHz (default)
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* 25000 - 40MHz
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* @sof_cnt_wkup_alert: Indicates in term of number of SOF's after which
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* the controller should generate an interrupt if the
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* device had been in L1 state until that period.
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* This is used by SW to initiate Remote WakeUp in the
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* controller so as to sync to the uF number from the host.
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* @activate_stm_fs_transceiver: Activate internal transceiver using GGPIO
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* register.
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* 0 - Deactivate the transceiver (default)
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@ -472,6 +486,10 @@ struct dwc2_core_params {
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u32 max_transfer_size;
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u32 ahbcfg;
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/* GREFCLK parameters */
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u32 ref_clk_per;
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u16 sof_cnt_wkup_alert;
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/* Host parameters */
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bool host_dma;
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bool dma_desc_enable;
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@ -303,6 +303,8 @@ static void dwc2_set_default_params(struct dwc2_hsotg *hsotg)
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p->max_packet_count = hw->max_packet_count;
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p->max_transfer_size = hw->max_transfer_size;
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p->ahbcfg = GAHBCFG_HBSTLEN_INCR << GAHBCFG_HBSTLEN_SHIFT;
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p->ref_clk_per = 33333;
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p->sof_cnt_wkup_alert = 100;
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if ((hsotg->dr_mode == USB_DR_MODE_HOST) ||
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(hsotg->dr_mode == USB_DR_MODE_OTG)) {
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