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rockchip: board: popmetal: de-assert the host rst pin in board init

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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 to enable it.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
Added rockchip: tag:
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Kever Yang 2016-11-24 15:29:50 +08:00 • committed by Simon Glass
parent 4386feb73d
commit da20981269
1 changed files with 17 additions and 0 deletions
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17
board/chipspark/popmetal_rk3288/popmetal-rk3288.c
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@ -6,6 +6,7 @@
#include <common.h>
#include <spl.h>
#include <asm/gpio.h>
void board_boot_order(u32 *spl_boot_list)
{
@ -13,3 +14,19 @@ 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;
ret = gpio_request(GPIO7A3_HUB_RST, "hub_rst");
if (ret)
return ret;
ret = gpio_direction_output(GPIO7A3_HUB_RST, 1);
if (ret)
return ret;
return 0;
}