mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-26 14:40:41 +00:00
ccc7595a81
as we switch to support DM and DTS, rework the existing DTS trees. Change also Linux specific Device trees, goal is to push this changes to linux. Collect U-Boot specific changes in separate "*u-boot*" dts files. Signed-off-by: Heiko Schocher <hs@denx.de>
101 lines
1.6 KiB
Text
101 lines
1.6 KiB
Text
// 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;
|
|
};
|