| Message ID | 20230418111612.19479-3-ddrokosov@sberdevices.ru |
|---|---|
| State | Superseded |
| Headers | show |
| Series | arm64: meson: support Amlogic A1 USB OTG controller | expand |
On 4/18/23 15:16, Dmitry Rokosov wrote: > The Amlogic A1 uses dwc2 Synopsys IP as its USB peripheral (gadget) > endpoint, with different DWC2 parameters when compared to previous > Amlogic SoCs. > > Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru> Acked-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com> > --- > drivers/usb/dwc2/params.c | 21 +++++++++++++++++++++ > 1 file changed, 21 insertions(+) > > diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c > index 9ed9fd956940..098fbfc774ab 100644 > --- a/drivers/usb/dwc2/params.c > +++ b/drivers/usb/dwc2/params.c > @@ -161,6 +161,25 @@ static void dwc2_set_amlogic_g12a_params(struct dwc2_hsotg *hsotg) > p->hird_threshold_en = false; > } > > +static void dwc2_set_amlogic_a1_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->speed = DWC2_SPEED_PARAM_HIGH; > + p->host_rx_fifo_size = 192; > + p->host_nperio_tx_fifo_size = 128; > + p->host_perio_tx_fifo_size = 128; > + p->phy_type = DWC2_PHY_TYPE_PARAM_UTMI; > + p->phy_utmi_width = 8; > + p->ahbcfg = GAHBCFG_HBSTLEN_INCR8 << GAHBCFG_HBSTLEN_SHIFT; > + p->lpm = false; > + p->lpm_clock_gating = false; > + p->besl = false; > + p->hird_threshold_en = false; > +} > + > static void dwc2_set_amcc_params(struct dwc2_hsotg *hsotg) > { > struct dwc2_core_params *p = &hsotg->params; > @@ -258,6 +277,8 @@ const struct of_device_id dwc2_of_match_table[] = { > .data = dwc2_set_amlogic_params }, > { .compatible = "amlogic,meson-g12a-usb", > .data = dwc2_set_amlogic_g12a_params }, > + { .compatible = "amlogic,meson-a1-usb", > + .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 = "st,stm32f4x9-fsotg",
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c index 9ed9fd956940..098fbfc774ab 100644 --- a/drivers/usb/dwc2/params.c +++ b/drivers/usb/dwc2/params.c @@ -161,6 +161,25 @@ static void dwc2_set_amlogic_g12a_params(struct dwc2_hsotg *hsotg) p->hird_threshold_en = false; } +static void dwc2_set_amlogic_a1_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->speed = DWC2_SPEED_PARAM_HIGH; + p->host_rx_fifo_size = 192; + p->host_nperio_tx_fifo_size = 128; + p->host_perio_tx_fifo_size = 128; + p->phy_type = DWC2_PHY_TYPE_PARAM_UTMI; + p->phy_utmi_width = 8; + p->ahbcfg = GAHBCFG_HBSTLEN_INCR8 << GAHBCFG_HBSTLEN_SHIFT; + p->lpm = false; + p->lpm_clock_gating = false; + p->besl = false; + p->hird_threshold_en = false; +} + static void dwc2_set_amcc_params(struct dwc2_hsotg *hsotg) { struct dwc2_core_params *p = &hsotg->params; @@ -258,6 +277,8 @@ const struct of_device_id dwc2_of_match_table[] = { .data = dwc2_set_amlogic_params }, { .compatible = "amlogic,meson-g12a-usb", .data = dwc2_set_amlogic_g12a_params }, + { .compatible = "amlogic,meson-a1-usb", + .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 = "st,stm32f4x9-fsotg",
The Amlogic A1 uses dwc2 Synopsys IP as its USB peripheral (gadget) endpoint, with different DWC2 parameters when compared to previous Amlogic SoCs. Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru> --- drivers/usb/dwc2/params.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)