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rockchip: rk3328: board: add support of dwc2 gadget
Probe dwc2 udc in the function of board_usb_start to enable usb gadget function. Signed-off-by: Meng Dongyang <daniel.meng@rock-chips.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
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@ -16,7 +16,49 @@ int board_init(void)
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return 0;
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}
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#if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
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#include <usb.h>
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#include <usb/dwc2_udc.h>
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static struct dwc2_plat_otg_data rk3328_otg_data = {
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.rx_fifo_sz = 512,
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.np_tx_fifo_sz = 16,
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.tx_fifo_sz = 128,
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};
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int board_usb_init(int index, enum usb_init_type init)
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{
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int node;
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const char *mode;
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bool matched = false;
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const void *blob = gd->fdt_blob;
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/* find the usb_otg node */
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node = fdt_node_offset_by_compatible(blob, -1,
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"rockchip,rk3328-usb");
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while (node > 0) {
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mode = fdt_getprop(blob, node, "dr_mode", NULL);
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if (mode && strcmp(mode, "otg") == 0) {
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matched = true;
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break;
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}
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node = fdt_node_offset_by_compatible(blob, node,
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"rockchip,rk3328-usb");
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}
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if (!matched) {
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debug("Not found usb_otg device\n");
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return -ENODEV;
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}
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rk3328_otg_data.regs_otg = fdtdec_get_addr(blob, node, "reg");
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return dwc2_udc_probe(&rk3328_otg_data);
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}
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int board_usb_cleanup(int index, enum usb_init_type init)
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{
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return 0;
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}
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#endif
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