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85afd20e4b
This patch adds the device tree to support Toradex Apalis TK1 a computer on module which can be used on different carrier boards. The module consists of a Tegra TK1 SoC, a PMIC solution, 2 GB of DDR3L RAM, a bunch of level shifters, an eMMC, a TMP451 temperature sensor chip, an I210 gigabit Ethernet controller and a SGTL5000 audio codec. Furthermore, there is a Kinetis MK20DN512 companion micro controller for analogue, CAN and resistive touch functionality which is not yet supported. Anything that is not self contained on the module is disabled by default. The device tree for the Evaluation Board includes the module's device tree and enables the supported peripherals of the carrier board (the Evaluation Board supports almost all of them). Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
285 lines
6.4 KiB
Plaintext
285 lines
6.4 KiB
Plaintext
/*
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* Copyright 2016 Toradex AG
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*
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* This file is dual-licensed: you can use it either under the terms
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* of the GPL or the X11 license, at your option. Note that this dual
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* licensing only applies to this file, and not this project as a
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* whole.
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*
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* a) This file is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This file is distributed in the hope that it will be useful
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Or, alternatively
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*
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* b) Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use
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* copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED , WITHOUT WARRANTY OF ANY KIND
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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/dts-v1/;
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#include <dt-bindings/input/input.h>
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#include "tegra124-apalis.dtsi"
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/ {
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model = "Toradex Apalis TK1 on Apalis Evaluation Board";
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compatible = "toradex,apalis-tk1-eval", "toradex,apalis-tk1",
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"nvidia,tegra124";
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aliases {
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rtc0 = "/i2c@7000c000/rtc@68";
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rtc1 = "/i2c@7000d000/pmic@40";
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rtc2 = "/rtc@7000e000";
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serial0 = &uarta;
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serial1 = &uartb;
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serial2 = &uartc;
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serial3 = &uartd;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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pcie-controller@01003000 {
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pci@1,0 {
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status = "okay";
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};
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};
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host1x@50000000 {
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hdmi@54280000 {
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status = "okay";
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};
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};
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/* Apalis UART1 */
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serial@70006000 {
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status = "okay";
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};
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/* Apalis UART2 */
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serial@70006040 {
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status = "okay";
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};
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/* Apalis UART3 */
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serial@70006200 {
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status = "okay";
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};
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/* Apalis UART4 */
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serial@70006300 {
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status = "okay";
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};
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pwm@7000a000 {
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status = "okay";
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};
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/*
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* GEN1_I2C: I2C1_SDA/SCL on MXM3 pin 209/211 (e.g. RTC on carrier
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* board)
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*/
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i2c@7000c000 {
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status = "okay";
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clock-frequency = <100000>;
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pcie-switch@58 {
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compatible = "plx,pex8605";
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reg = <0x58>;
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};
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/* M41T0M6 real time clock on carrier board */
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rtc@68 {
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compatible = "st,m41t00";
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reg = <0x68>;
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};
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};
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/*
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* GEN2_I2C: I2C2_SDA/SCL (DDC) on MXM3 pin 205/207 (e.g. display EDID)
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*/
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hdmi_ddc: i2c@7000c400 {
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status = "okay";
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clock-frequency = <100000>;
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};
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/*
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* CAM_I2C: I2C3_SDA/SCL (CAM) on MXM3 pin 201/203 (e.g. camera sensor
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* on carrier board)
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*/
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i2c@7000c500 {
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status = "okay";
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clock-frequency = <100000>;
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};
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/* I2C4 (DDC): unused */
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/* SPI1: Apalis SPI1 */
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spi@7000d400 {
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status = "okay";
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spi-max-frequency = <50000000>;
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spidev0: spidev@0 {
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compatible = "spidev";
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reg = <0>;
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spi-max-frequency = <50000000>;
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};
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};
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/* SPI4: Apalis SPI2 */
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spi@7000da00 {
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status = "okay";
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spi-max-frequency = <50000000>;
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spidev1: spidev@0 {
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compatible = "spidev";
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reg = <0>;
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spi-max-frequency = <50000000>;
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};
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};
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/* Apalis Serial ATA */
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sata@70020000 {
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status = "okay";
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};
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hda@70030000 {
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status = "okay";
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};
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usb@70090000 {
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status = "okay";
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};
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/* Apalis MMC1 */
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sdhci@700b0000 {
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status = "okay";
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/* MMC1_CD# */
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cd-gpios = <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_LOW>;
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bus-width = <4>;
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vqmmc-supply = <&vddio_sdmmc1>;
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};
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/* Apalis SD1 */
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sdhci@700b0400 {
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status = "okay";
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/*
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* Don't use SD1_CD# aka SDMMC3_CLK_LB_OUT for now as it
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* features some magic properties even though the external
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* loopback is disabled and the internal loopback used as per
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* SDMMC_VENDOR_MISC_CNTRL_0 register's SDMMC_SPARE1 bits being
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* set to 0xfffd according to the TRM!
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* cd-gpios = <&gpio TEGRA_GPIO(EE, 4) GPIO_ACTIVE_LOW>;
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*/
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bus-width = <4>;
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vqmmc-supply = <&vddio_sdmmc3>;
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};
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/* EHCI instance 0: USB1_DP/N -> USBO1_DP/N */
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usb@7d000000 {
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status = "okay";
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dr_mode = "otg";
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};
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usb-phy@7d000000 {
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status = "okay";
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vbus-supply = <®_usbo1_vbus>;
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};
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/* EHCI instance 1: USB2_DP/N -> USBH2_DP/N */
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usb@7d004000 {
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status = "okay";
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};
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usb-phy@7d004000 {
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status = "okay";
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vbus-supply = <®_usbh_vbus>;
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};
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/* EHCI instance 2: USB3_DP/N -> USBH4_DP/N */
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usb@7d008000 {
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status = "okay";
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};
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usb-phy@7d008000 {
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status = "okay";
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vbus-supply = <®_usbh_vbus>;
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};
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backlight: backlight {
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compatible = "pwm-backlight";
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/* BKL1_PWM */
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pwms = <&pwm 3 5000000>;
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brightness-levels = <255 231 223 207 191 159 127 0>;
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default-brightness-level = <6>;
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/* BKL1_ON */
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enable-gpios = <&gpio TEGRA_GPIO(BB, 5) GPIO_ACTIVE_HIGH>;
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};
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gpio-keys {
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compatible = "gpio-keys";
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wakeup {
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label = "WAKE1_MICO";
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gpios = <&gpio TEGRA_GPIO(DD, 3) GPIO_ACTIVE_LOW>;
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linux,code = <KEY_WAKEUP>;
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debounce-interval = <10>;
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wakeup-source;
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};
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};
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reg_5v0: regulator-5v0 {
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compatible = "regulator-fixed";
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regulator-name = "5V_SW";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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};
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/* USBO1_EN */
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reg_usbo1_vbus: regulator-usbo1-vbus {
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compatible = "regulator-fixed";
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regulator-name = "VCC_USBO1";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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gpio = <&gpio TEGRA_GPIO(N, 4) GPIO_ACTIVE_HIGH>;
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enable-active-high;
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vin-supply = <®_5v0>;
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};
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/* USBH_EN */
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reg_usbh_vbus: regulator-usbh-vbus {
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compatible = "regulator-fixed";
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regulator-name = "VCC_USBH(2A|2C|2D|3|4)";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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gpio = <&gpio TEGRA_GPIO(N, 5) GPIO_ACTIVE_HIGH>;
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enable-active-high;
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vin-supply = <®_5v0>;
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};
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};
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