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path: root/drivers/usb/dwc2/params.c
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Diffstat (limited to 'drivers/usb/dwc2/params.c')
-rw-r--r--drivers/usb/dwc2/params.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index eb677c3cfd..5a1500d0bd 100644
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -201,6 +201,25 @@ static void dwc2_set_amcc_params(struct dwc2_hsotg *hsotg)
p->ahbcfg = GAHBCFG_HBSTLEN_INCR16 << GAHBCFG_HBSTLEN_SHIFT;
}
+static void dwc2_set_cv1800_params(struct dwc2_hsotg *hsotg)
+{
+ struct dwc2_core_params *p = &hsotg->params;
+
+ p->otg_caps.hnp_support = false;
+ p->otg_caps.srp_support = false;
+ p->host_dma = false;
+ p->g_dma = false;
+ p->speed = DWC2_SPEED_PARAM_HIGH;
+ p->phy_type = DWC2_PHY_TYPE_PARAM_UTMI;
+ p->phy_utmi_width = 16;
+ p->ahbcfg = GAHBCFG_HBSTLEN_INCR16 << GAHBCFG_HBSTLEN_SHIFT;
+ p->lpm = false;
+ p->lpm_clock_gating = false;
+ p->besl = false;
+ p->hird_threshold_en = false;
+ p->power_down = DWC2_POWER_DOWN_PARAM_NONE;
+}
+
static void dwc2_set_stm32f4x9_fsotg_params(struct dwc2_hsotg *hsotg)
{
struct dwc2_core_params *p = &hsotg->params;
@@ -295,6 +314,8 @@ const struct of_device_id dwc2_of_match_table[] = {
.data = dwc2_set_amlogic_a1_params },
{ .compatible = "amcc,dwc-otg", .data = dwc2_set_amcc_params },
{ .compatible = "apm,apm82181-dwc-otg", .data = dwc2_set_amcc_params },
+ { .compatible = "sophgo,cv1800-usb",
+ .data = dwc2_set_cv1800_params },
{ .compatible = "st,stm32f4x9-fsotg",
.data = dwc2_set_stm32f4x9_fsotg_params },
{ .compatible = "st,stm32f4x9-hsotg" },
@@ -475,6 +496,7 @@ static void dwc2_set_default_params(struct dwc2_hsotg *hsotg)
dwc2_set_param_lpm(hsotg);
p->phy_ulpi_ddr = false;
p->phy_ulpi_ext_vbus = false;
+ p->eusb2_disc = false;
p->enable_dynamic_fifo = hw->enable_dynamic_fifo;
p->en_multiple_tx_fifo = hw->en_multiple_tx_fifo;
@@ -737,6 +759,25 @@ static void dwc2_check_param_tx_fifo_sizes(struct dwc2_hsotg *hsotg)
}
}
+static void dwc2_check_param_eusb2_disc(struct dwc2_hsotg *hsotg)
+{
+ u32 gsnpsid;
+
+ if (!hsotg->params.eusb2_disc)
+ return;
+ gsnpsid = dwc2_readl(hsotg, GSNPSID);
+ /*
+ * eusb2_disc not supported by FS IOT devices.
+ * For other cores, it supported starting from version 5.00a
+ */
+ if ((gsnpsid & ~DWC2_CORE_REV_MASK) == DWC2_FS_IOT_ID ||
+ (gsnpsid & DWC2_CORE_REV_MASK) <
+ (DWC2_CORE_REV_5_00a & DWC2_CORE_REV_MASK)) {
+ hsotg->params.eusb2_disc = false;
+ return;
+ }
+}
+
#define CHECK_RANGE(_param, _min, _max, _def) do { \
if ((int)(hsotg->params._param) < (_min) || \
(hsotg->params._param) > (_max)) { \
@@ -765,6 +806,8 @@ static void dwc2_check_params(struct dwc2_hsotg *hsotg)
dwc2_check_param_speed(hsotg);
dwc2_check_param_phy_utmi_width(hsotg);
dwc2_check_param_power_down(hsotg);
+ dwc2_check_param_eusb2_disc(hsotg);
+
CHECK_BOOL(enable_dynamic_fifo, hw->enable_dynamic_fifo);
CHECK_BOOL(en_multiple_tx_fifo, hw->en_multiple_tx_fifo);
CHECK_BOOL(i2c_enable, hw->i2c_enable);