1 /*
2  * (C) Copyright 2016 Rockchip Electronics Co., Ltd
3  *
4  * SPDX-License-Identifier:     GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <asm/armv8/mmu.h>
9 #include <dwc3-uboot.h>
10 #include <power/regulator.h>
11 #include <usb.h>
12 
13 DECLARE_GLOBAL_DATA_PTR;
14 
15 int board_init(void)
16 {
17 	int ret;
18 
19 	ret = regulators_enable_boot_on(false);
20 	if (ret)
21 		debug("%s: Cannot enable boot on regulator\n", __func__);
22 
23 	return ret;
24 }
25 
26 #if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
27 #include <usb.h>
28 #include <usb/dwc2_udc.h>
29 
30 static struct dwc2_plat_otg_data rk3328_otg_data = {
31 	.rx_fifo_sz	= 512,
32 	.np_tx_fifo_sz	= 16,
33 	.tx_fifo_sz	= 128,
34 };
35 
36 int board_usb_init(int index, enum usb_init_type init)
37 {
38 	int node;
39 	const char *mode;
40 	bool matched = false;
41 	const void *blob = gd->fdt_blob;
42 
43 	/* find the usb_otg node */
44 	node = fdt_node_offset_by_compatible(blob, -1,
45 					"rockchip,rk3328-usb");
46 
47 	while (node > 0) {
48 		mode = fdt_getprop(blob, node, "dr_mode", NULL);
49 		if (mode && strcmp(mode, "otg") == 0) {
50 			matched = true;
51 			break;
52 		}
53 
54 		node = fdt_node_offset_by_compatible(blob, node,
55 					"rockchip,rk3328-usb");
56 	}
57 	if (!matched) {
58 		debug("Not found usb_otg device\n");
59 		return -ENODEV;
60 	}
61 
62 	rk3328_otg_data.regs_otg = fdtdec_get_addr(blob, node, "reg");
63 
64 	return dwc2_udc_probe(&rk3328_otg_data);
65 }
66 
67 int board_usb_cleanup(int index, enum usb_init_type init)
68 {
69 	return 0;
70 }
71 #endif
72