diff options
Diffstat (limited to 'drivers/usb/dwc2/core.c')
| -rw-r--r-- | drivers/usb/dwc2/core.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c index d0af25f4b4..b198ba6bf8 100644 --- a/drivers/usb/dwc2/core.c +++ b/drivers/usb/dwc2/core.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0+ +// SPDX-License-Identifier: GPL-2.0-or-later #include "dwc2.h" /* Returns the controller's GHWCFG2.OTG_MODE. */ @@ -61,6 +61,9 @@ static void dwc2_set_param_phy_type(struct dwc2 *dwc2) case GHWCFG2_HS_PHY_TYPE_ULPI: val = DWC2_PHY_TYPE_PARAM_ULPI; break; + default: + dwc2_warn(dwc2, "Unhandled HS PHY type\n"); + fallthrough; case GHWCFG2_HS_PHY_TYPE_NOT_SUPPORTED: val = DWC2_PHY_TYPE_PARAM_FS; break; @@ -185,6 +188,33 @@ void dwc2_set_default_params(struct dwc2 *dwc2) } } +void dwc2_get_device_properties(struct dwc2 *dwc2) +{ + struct dwc2_core_params *p = &dwc2->params; + struct device_node *np = dwc2->dev->of_node; + int num; + + if ((dwc2->dr_mode == USB_DR_MODE_PERIPHERAL) || + (dwc2->dr_mode == USB_DR_MODE_OTG)) { + of_property_read_u32(np, "g-rx-fifo-size", + &p->g_rx_fifo_size); + + of_property_read_u32(np, "g-np-tx-fifo-size", + &p->g_np_tx_fifo_size); + + num = of_property_count_elems_of_size(np, "g-tx-fifo-size", sizeof(u32)); + if (num > 0) { + num = min(num, 15); + memset(p->g_tx_fifo_size, 0, + sizeof(p->g_tx_fifo_size)); + of_property_read_u32_array(np, + "g-tx-fifo-size", + &p->g_tx_fifo_size[1], + num); + } + } +} + int dwc2_check_core_version(struct dwc2 *dwc2) { struct dwc2_hw_params *hw = &dwc2->hw_params; @@ -642,7 +672,7 @@ int dwc2_get_dr_mode(struct dwc2 *dwc2) { enum usb_dr_mode mode; - mode = of_usb_get_dr_mode(dwc2->dev->device_node, NULL); + mode = of_usb_get_dr_mode(dwc2->dev->of_node, NULL); dwc2->dr_mode = mode; if (dwc2_hw_is_device(dwc2)) { |