Probe dwc2 udc in the function of board_usb_start to enable
usb gadget function.
Signed-off-by: Meng Dongyang <daniel.m...@rock-chips.com>
Reviewed-by: Simon Glass <s...@chromium.org>
---
Changes in v6: None
Chagnes in v5: None
Changes in v4: None
Changes in v3: None
board/rockchip/evb_rk3328/evb-rk3328.c | 42 ++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/board/rockchip/evb_rk3328/evb-rk3328.c
b/board/rockchip/evb_rk3328/evb-rk3328.c
index 0a26ed5..7fc25bb 100644
--- a/board/rockchip/evb_rk3328/evb-rk3328.c
+++ b/board/rockchip/evb_rk3328/evb-rk3328.c
@@ -31,7 +31,49 @@ int dram_init_banksize(void)
return 0;
}
+#if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
+#include <usb.h>
+#include <usb/dwc2_udc.h>
+
+static struct dwc2_plat_otg_data rk3328_otg_data = {
+ .rx_fifo_sz = 512,
+ .np_tx_fifo_sz = 16,
+ .tx_fifo_sz = 128,
+};
+
int board_usb_init(int index, enum usb_init_type init)
{
+ int node;
+ const char *mode;
+ bool matched = false;
+ const void *blob = gd->fdt_blob;
+
+ /* find the usb_otg node */
+ node = fdt_node_offset_by_compatible(blob, -1,
+ "rockchip,rk3328-usb");
+
+ while (node > 0) {
+ mode = fdt_getprop(blob, node, "dr_mode", NULL);
+ if (mode && strcmp(mode, "otg") == 0) {
+ matched = true;
+ break;
+ }
+
+ node = fdt_node_offset_by_compatible(blob, node,
+ "rockchip,rk3328-usb");
+ }
+ if (!matched) {
+ debug("Not found usb_otg device\n");
+ return -ENODEV;
+ }
+
+ rk3328_otg_data.regs_otg = fdtdec_get_addr(blob, node, "reg");
+
+ return dwc2_udc_probe(&rk3328_otg_data);
+}
+
+int board_usb_cleanup(int index, enum usb_init_type init)
+{
return 0;
}
+#endif
--
1.9.1
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