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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2019 Heiko Schocher <hs@denx.de>
*/
/ {
chosen {
u-boot,dm-pre-reloc;
stdout-path = &uart2;
};
wdt-reboot {
compatible = "wdt-reboot";
wdt = <&wdog1>;
};
};
&uart2 {
u-boot,dm-pre-reloc;
};
&pinctrl_gpio {
u-boot,dm-pre-reloc;
};
&pinctrl_uart2 {
u-boot,dm-pre-reloc;
};
&aips2 {
u-boot,dm-pre-reloc;
};
&backlight {
pwms = <&pwm1 0 300000>;
default-brightness-level = <2>;
};
/*
* allow switching write protect pin by gpio,
* because "pinctrl-assert-gpios" from &ecspi1 isn't handled by u-boot
*/
&gpio2 {
u-boot,dm-pre-reloc;
wp_spi_nor {
gpio-hog;
output-high;
gpios = <15 GPIO_ACTIVE_HIGH>;
};
};
&iomuxc {
pinctrl-0 = <&pinctrl_gpio &pinctrl_gpio_fix>;
u-boot,dm-pre-reloc;
pinctrl_gpio_fix: gpiofixgrp {
/*
* usdhc2 has a levelshifter on the carrier board Rev. DV1,
* that will automatically detect the driving direction.
* During initialisation this isn't working correctly,
* which causes DAT3 to be driven low towards the SD-card.
* This causes a SD-card enetring the SPI-Mode
* and therefore getting inaccessible until next power cycle.
* As workaround we drive the DAT3 line as GPIO and set it high.
* This makes usdhc2 unusable in u-boot, but works for the
* initialisation in Linux
*/
fsl,pins = <
MX6QDL_PAD_SD2_DAT3__GPIO1_IO12 0x20000
>;
};
};
&gpio1 {
usdhc_fix {
gpio-hog;
output-high;
gpios = <12 GPIO_ACTIVE_HIGH>;
};
};
&gpio3 {
u-boot,dm-pre-reloc;
};
&gpio5 {
u-boot,dm-pre-reloc;
};
&ecspi4 {
u-boot,dm-pre-reloc;
};
&flash {
u-boot,dm-pre-reloc;
};
&pinctrl_ecspi4 {
u-boot,dm-pre-reloc;
};
|
