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board: roc-pc-rk3399: Add support for onboard LED's and push button to indicate power mode

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Added support for onboard LED's and push button. When powered board will be
in low power mode(yellow LED), on button press, board enters full power mode
(red LED) and boots u-boot.

Signed-off-by: Suniel Mahesh <sunil@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Suniel Mahesh
2020-02-03 19:20:05 +05:30
committed by Kever Yang
parent 01892d230d
commit 5a6d3d1fbc
3 changed files with 40 additions and 0 deletions
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7
arch/arm/mach-rockchip/tpl.c
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@@ -40,11 +40,18 @@ __weak void rockchip_stimer_init(void)
TIMER_CONTROL_REG);
}
__weak int board_early_init_f(void)
{
return 0;
}
void board_init_f(ulong dummy)
{
struct udevice *dev;
int ret;
board_early_init_f();
#if defined(CONFIG_DEBUG_UART) && defined(CONFIG_TPL_SERIAL_SUPPORT)
/*
* Debug UART can be used from here if required: