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| author | Meng Dongyang <daniel.meng@rock-chips.com> | 2017-06-28 19:22:44 +0800 |
|---|---|---|
| committer | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2017-07-11 12:13:49 +0200 |
| commit | c93bef9323f5a9ede9a4d140d030afb22330b550 (patch) | |
| tree | 2e1fbc116b2bfc385ca35fcf5aba9bfc60c48ee2 | |
| parent | dd22bace7a3fcd7ed6f83350234ecfe09a64bb68 (diff) | |
| download | u-boot-c93bef9323f5a9ede9a4d140d030afb22330b550.zip u-boot-c93bef9323f5a9ede9a4d140d030afb22330b550.tar.gz u-boot-c93bef9323f5a9ede9a4d140d030afb22330b550.tar.bz2 | |
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>
| -rw-r--r-- | board/rockchip/evb_rk3328/evb-rk3328.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/board/rockchip/evb_rk3328/evb-rk3328.c b/board/rockchip/evb_rk3328/evb-rk3328.c index bb29363..4d2a8c7 100644 --- a/board/rockchip/evb_rk3328/evb-rk3328.c +++ b/board/rockchip/evb_rk3328/evb-rk3328.c @@ -16,7 +16,49 @@ int board_init(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 |