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imx: mx6ul_14x14_evk: turn of backlight and LCD before booting OS

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This should help keeping the screen black when booting the kernel.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Reported-by: Fabio Estevam <festevam@gmail.com>
Tested-by: Fabio Estevam <festevam@gmail.com>
This commit is contained in:
Anatolij Gustschin
2020-01-26 00:35:59 +01:00
committed by Stefano Babic
parent 2f2fdbe3f4
commit 7814abc032
1 changed files with 9 additions and 0 deletions
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9
board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c
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@@ -384,6 +384,15 @@ int checkboard(void)
return 0;
}
/*
* Backlight off and reset LCD before OS handover
*/
void board_preboot_os(void)
{
gpio_set_value(IMX_GPIO_NR(1, 8), 0);
gpio_set_value(IMX_GPIO_NR(5, 9), 0);
}
#ifdef CONFIG_SPL_BUILD
#include <linux/libfdt.h>
#include <spl.h>