Added ref_clk_per and sof_cnt_wkup_alert parameters in
dwc2_core_params struct and set default values.
Signed-off-by: Grigor Tovmasyan <tovmasya@xxxxxxxxxxxx>
---
drivers/usb/dwc2/core.h | 18 ++++++++++++++++++
drivers/usb/dwc2/params.c | 2 ++
2 files changed, 20 insertions(+)
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index 2678dc9d559b..655f5274e801 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -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;
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index dd3c10d537e2..d150984406ee 100644
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -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)) {
--
2.11.0
