Enable the usb host port 5V power by enable the fix regulator. The PopMetal board have a on board FE1.1 usb 2.0 hub which connect to the usb host port, we need to de-assert its reset pin at the same time.
Signed-off-by: Kever Yang kever.yang@rock-chips.com ---
board/chipspark/popmetal_rk3288/popmetal-rk3288.c | 31 +++++++++++++++++++++++ 1 file changed, 31 insertions(+)
diff --git a/board/chipspark/popmetal_rk3288/popmetal-rk3288.c b/board/chipspark/popmetal_rk3288/popmetal-rk3288.c index aad74ef..6f5d3a8c 100644 --- a/board/chipspark/popmetal_rk3288/popmetal-rk3288.c +++ b/board/chipspark/popmetal_rk3288/popmetal-rk3288.c @@ -6,6 +6,8 @@
#include <common.h> #include <spl.h> +#include <asm/gpio.h> +#include <power/regulator.h>
void board_boot_order(u32 *spl_boot_list) { @@ -13,3 +15,32 @@ void board_boot_order(u32 *spl_boot_list) spl_boot_list[0] = BOOT_DEVICE_MMC2; spl_boot_list[1] = BOOT_DEVICE_MMC1; } + +#define GPIO7A3_HUB_RST 227 + +int rk_board_late_init(void) +{ + int ret; + struct udevice *regulator; + + ret = regulator_get_by_platname("vcc5v0_host", ®ulator); + if (ret) { + printf("%s vcc5v0_host init fail! ret %d\n", __func__, ret); + goto out; + } + + ret = regulator_set_enable(regulator, true); + if (ret) { + printf("%s vcc5v0-host enable fail!\n", __func__); + goto out; + } + + gpio_request(GPIO7A3_HUB_RST, "hub_rst"); + gpio_direction_output(GPIO7A3_HUB_RST, 1); + + return 0; +out: + printf("%s init error %x\n", __func__, ret); + + return ret; +}