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https://github.com/AsahiLinux/u-boot
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32c9dfcc56
USB host interface is not working on some Apalis Toradex carrier boards with Apalis iMX8 SoM. This is due to USBH_EN pin, which powers USB peripherals, having a strong pull-down on some boards, and a weak pull-down on the others. This USBH_EN pin is left unconfigured, which means it is in its default state at cold boot: input with a strong pull-up. As a result, carrier boards with a weak pull-down have this signal high enough to trigger power delivery to USB peripherals, and opposite - boards with strong pull-down on USBH_EN have this signal below the threshold needed to trigger USB power delivery. This change configures the USBH_EN pin as gpio hog, fixing this issue for all Apalis carrier boards regardless of pull-down resistor value. Also, update apalis-imx8_defconfig via savedefconfig. Signed-off-by: Andrejs Cainikovs <andrejs.cainikovs@toradex.com> Reviewed-by: Fabio Estevam <festevam@gmail.com>
142 lines
1.3 KiB
Text
142 lines
1.3 KiB
Text
// SPDX-License-Identifier: GPL-2.0+ OR X11
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/*
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* Copyright 2019 Toradex AG
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*/
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&mu {
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bootph-some-ram;
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};
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&clk {
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bootph-some-ram;
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};
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&iomuxc {
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bootph-some-ram;
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};
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&pd_lsio {
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bootph-some-ram;
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};
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&pd_lsio_gpio0 {
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bootph-some-ram;
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};
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&pd_lsio_gpio1 {
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bootph-some-ram;
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};
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&pd_lsio_gpio2 {
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bootph-some-ram;
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};
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&pd_lsio_gpio3 {
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bootph-some-ram;
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};
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&pd_lsio_gpio4 {
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bootph-some-ram;
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};
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&pd_lsio_gpio5 {
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bootph-some-ram;
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};
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&pd_lsio_gpio6 {
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bootph-some-ram;
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};
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&pd_lsio_gpio7 {
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bootph-some-ram;
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};
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&pd_dma {
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bootph-some-ram;
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};
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&pd_dma_lpuart1 {
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bootph-some-ram;
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};
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&pd_conn {
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bootph-some-ram;
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};
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&pd_conn_sdch0 {
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bootph-some-ram;
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};
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&pd_conn_sdch1 {
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bootph-some-ram;
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};
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&pd_conn_sdch2 {
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bootph-some-ram;
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};
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&gpio0 {
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bootph-some-ram;
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};
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&gpio1 {
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bootph-some-ram;
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};
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&gpio2 {
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bootph-some-ram;
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};
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&gpio3 {
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bootph-some-ram;
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};
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&gpio4 {
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bootph-some-ram;
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usbh_en {
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gpio-hog;
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gpios = <4 GPIO_ACTIVE_HIGH>;
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output-high;
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};
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};
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&gpio5 {
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bootph-some-ram;
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};
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&gpio6 {
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bootph-some-ram;
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};
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&gpio7 {
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bootph-some-ram;
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};
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&lpuart0 {
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bootph-some-ram;
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};
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&lpuart1 {
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bootph-some-ram;
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};
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&lpuart2 {
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bootph-some-ram;
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};
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&lpuart3 {
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bootph-some-ram;
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};
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&usdhc1 {
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bootph-some-ram;
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};
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&usdhc2 {
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bootph-some-ram;
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};
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&usdhc3 {
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bootph-some-ram;
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};
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