[PATCH 2/3] usb: dwc2: stm32mp15: set otg_rev

From: Fabrice Gasnier
Date: Wed Sep 15 2021 - 03:55:01 EST


STM32MP15 complies with the OTG 2.0. Set OTG revision accordingly. It is
useful for the of_usb_update_otg_caps() routine to check and update
otg_rev to the lower value between DT and provided params.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxxxxxxx>
---
drivers/usb/dwc2/params.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index f8ab211..fe2e88f 100644
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -170,6 +170,7 @@ static void dwc2_set_stm32mp15_fsotg_params(struct dwc2_hsotg *hsotg)
struct dwc2_core_params *p = &hsotg->params;

p->otg_cap = DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE;
+ p->otg_rev = 0x200;
p->speed = DWC2_SPEED_PARAM_FULL;
p->host_rx_fifo_size = 128;
p->host_nperio_tx_fifo_size = 96;
@@ -190,6 +191,7 @@ static void dwc2_set_stm32mp15_hsotg_params(struct dwc2_hsotg *hsotg)
struct dwc2_core_params *p = &hsotg->params;

p->otg_cap = DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE;
+ p->otg_rev = 0x200;
p->activate_stm_id_vb_detection = !device_property_read_bool(hsotg->dev, "usb-role-switch");
p->host_rx_fifo_size = 440;
p->host_nperio_tx_fifo_size = 256;
--
2.7.4