blob: 4748ce8747ad865074debf76adaac141247af017 [file] [log] [blame]
/*
* Support for CompuLab CL-SOM-AM57x System-on-Module
*
* Copyright (C) 2015 CompuLab Ltd. - http://www.compulab.co.il/
* Author: Dmitry Lifshitz <lifshitz@compulab.co.il>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*/
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include "dra74x.dtsi"
/ {
model = "CompuLab CL-SOM-AM57x";
compatible = "compulab,cl-som-am57x", "ti,am5728", "ti,dra742", "ti,dra74", "ti,dra7";
memory@0 {
device_type = "memory";
reg = <0x0 0x80000000 0x0 0x20000000>; /* 512 MB - minimal configuration */
};
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&leds_pins_default>;
led0 {
label = "cl-som-am57x:green";
gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "heartbeat";
default-state = "off";
};
};
vdd_3v3: fixedregulator-vdd_3v3 {
compatible = "regulator-fixed";
regulator-name = "vdd_3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
ads7846reg: fixedregulator-ads7846-reg {
compatible = "regulator-fixed";
regulator-name = "ads7846-reg";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
sound0: sound0 {
compatible = "simple-audio-card";
simple-audio-card,name = "CL-SOM-AM57x-Sound-Card";
simple-audio-card,format = "i2s";
simple-audio-card,bitclock-master = <&dailink0_master>;
simple-audio-card,frame-master = <&dailink0_master>;
simple-audio-card,widgets =
"Headphone", "Headphone Jack",
"Microphone", "Microphone Jack",
"Line", "Line Jack";
simple-audio-card,routing =
"Headphone Jack", "RHPOUT",
"Headphone Jack", "LHPOUT",
"LLINEIN", "Line Jack",
"MICIN", "Mic Bias",
"Mic Bias", "Microphone Jack";
dailink0_master: simple-audio-card,cpu {
sound-dai = <&mcasp3>;
};
simple-audio-card,codec {
sound-dai = <&wm8731>;
system-clock-frequency = <12000000>;
};
};
};
&dra7_pmx_core {
leds_pins_default: leds_pins_default {
pinctrl-single,pins = <
DRA7XX_CORE_IOPAD(0x347c, PIN_OUTPUT | MUX_MODE14) /* gpmc_a15.gpio2_5 */
>;
};
i2c1_pins_default: i2c1_pins_default {
pinctrl-single,pins = <
DRA7XX_CORE_IOPAD(0x3800, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c1_sda.sda */
DRA7XX_CORE_IOPAD(0x3804, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c1_scl.scl */
>;
};
i2c3_pins_default: i2c3_pins_default {
pinctrl-single,pins = <
DRA7XX_CORE_IOPAD(0x36a4, PIN_INPUT| MUX_MODE10) /* mcasp1_aclkx.i2c3_sda */
DRA7XX_CORE_IOPAD(0x36a8, PIN_INPUT| MUX_MODE10) /* mcasp1_fsx.i2c3_scl */
>;
};
i2c4_pins_default: i2c4_pins_default {
pinctrl-single,pins = <
DRA7XX_CORE_IOPAD(0x36ac, PIN_INPUT| MUX_MODE10) /* mcasp1_acl.i2c4_sda */
DRA7XX_CORE_IOPAD(0x36b0, PIN_INPUT| MUX_MODE10) /* mcasp1_fsr.i2c4_scl */
>;
};
tps659038_pins_default: tps659038_pins_default {
pinctrl-single,pins = <
DRA7XX_CORE_IOPAD(0x3818, PIN_INPUT_PULLUP | MUX_MODE14) /* wakeup0.gpio1_0 */
>;
};
mmc2_pins_default: mmc2_pins_default {
pinctrl-single,pins = <
DRA7XX_CORE_IOPAD(0x349c, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_a23.mmc2_clk */
DRA7XX_CORE_IOPAD(0x34b0, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_cs1.mmc2_cmd */
DRA7XX_CORE_IOPAD(0x34a0, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_a24.mmc2_dat0 */
DRA7XX_CORE_IOPAD(0x34a4, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_a25.mmc2_dat1 */
DRA7XX_CORE_IOPAD(0x34a8, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_a26.mmc2_dat2 */
DRA7XX_CORE_IOPAD(0x34ac, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_a27.mmc2_dat3 */
DRA7XX_CORE_IOPAD(0x348c, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_a19.mmc2_dat4 */
DRA7XX_CORE_IOPAD(0x3490, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_a20.mmc2_dat5 */
DRA7XX_CORE_IOPAD(0x3494, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_a21.mmc2_dat6 */
DRA7XX_CORE_IOPAD(0x3498, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_a22.mmc2_dat7 */
>;
};
qspi1_pins: pinmux_qspi1_pins {
pinctrl-single,pins = <
DRA7XX_CORE_IOPAD(0x3474, PIN_INPUT | MUX_MODE1) /* gpmc_a13.qspi1_rtclk */
DRA7XX_CORE_IOPAD(0x3480, PIN_INPUT | MUX_MODE1) /* gpmc_a16.qspi1_d0 */
DRA7XX_CORE_IOPAD(0x3484, PIN_INPUT | MUX_MODE1) /* gpmc_a17.qspi1_d1 */
DRA7XX_CORE_IOPAD(0x3488, PIN_INPUT | MUX_MODE1) /* qpmc_a18.qspi1_sclk */
DRA7XX_CORE_IOPAD(0x34b8, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_cs2.qspi1_cs0 */
DRA7XX_CORE_IOPAD(0x34bc, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_cs3.qspi1_cs1 */
>;
};
cpsw_pins_default: cpsw_pins_default {
pinctrl-single,pins = <
/* Slave at addr 0x0 */
DRA7XX_CORE_IOPAD(0x3650, PIN_OUTPUT | MUX_MODE0) /* rgmii0_tclk */
DRA7XX_CORE_IOPAD(0x3654, PIN_OUTPUT | MUX_MODE0) /* rgmii0_tctl */
DRA7XX_CORE_IOPAD(0x3658, PIN_OUTPUT | MUX_MODE0) /* rgmii0_td3 */
DRA7XX_CORE_IOPAD(0x365c, PIN_OUTPUT | MUX_MODE0) /* rgmii0_td2 */
DRA7XX_CORE_IOPAD(0x3660, PIN_OUTPUT | MUX_MODE0) /* rgmii0_td1 */
DRA7XX_CORE_IOPAD(0x3664, PIN_OUTPUT | MUX_MODE0) /* rgmii0_td0 */
DRA7XX_CORE_IOPAD(0x3668, PIN_INPUT_PULLDOWN | MUX_MODE0) /* rgmii0_rclk */
DRA7XX_CORE_IOPAD(0x366c, PIN_INPUT_PULLDOWN | MUX_MODE0) /* rgmii0_rctl */
DRA7XX_CORE_IOPAD(0x3670, PIN_INPUT_PULLDOWN | MUX_MODE0) /* rgmii0_rd3 */
DRA7XX_CORE_IOPAD(0x3674, PIN_INPUT_PULLDOWN | MUX_MODE0) /* rgmii0_rd2 */
DRA7XX_CORE_IOPAD(0x3678, PIN_INPUT_PULLDOWN | MUX_MODE0) /* rgmii0_rd1 */
DRA7XX_CORE_IOPAD(0x367c, PIN_INPUT_PULLDOWN | MUX_MODE0) /* rgmii0_rd0 */
/* Slave at addr 0x1 */
DRA7XX_CORE_IOPAD(0x3598, PIN_OUTPUT | MUX_MODE3) /* vin2a_d12.rgmii1_tclk */
DRA7XX_CORE_IOPAD(0x359c, PIN_OUTPUT | MUX_MODE3) /* vin2a_d13.rgmii1_tctl */
DRA7XX_CORE_IOPAD(0x35a0, PIN_OUTPUT | MUX_MODE3) /* vin2a_d14.rgmii1_td3 */
DRA7XX_CORE_IOPAD(0x35a4, PIN_OUTPUT | MUX_MODE3) /* vin2a_d15.rgmii1_td2 */
DRA7XX_CORE_IOPAD(0x35a8, PIN_OUTPUT | MUX_MODE3) /* vin2a_d16.rgmii1_td1 */
DRA7XX_CORE_IOPAD(0x35ac, PIN_OUTPUT | MUX_MODE3) /* vin2a_d17.rgmii1_td0 */
DRA7XX_CORE_IOPAD(0x35b0, PIN_INPUT_PULLDOWN | MUX_MODE3) /* vin2a_d18.rgmii1_rclk */
DRA7XX_CORE_IOPAD(0x35b4, PIN_INPUT_PULLDOWN | MUX_MODE3) /* vin2a_d19.rgmii1_rctl */
DRA7XX_CORE_IOPAD(0x35b8, PIN_INPUT_PULLDOWN | MUX_MODE3) /* vin2a_d20.rgmii1_rd3 */
DRA7XX_CORE_IOPAD(0x35bc, PIN_INPUT_PULLDOWN | MUX_MODE3) /* vin2a_d21.rgmii1_rd2 */
DRA7XX_CORE_IOPAD(0x35c0, PIN_INPUT_PULLDOWN | MUX_MODE3) /* vin2a_d22.rgmii1_rd1 */
DRA7XX_CORE_IOPAD(0x35c4, PIN_INPUT_PULLDOWN | MUX_MODE3) /* vin2a_d23.rgmii1_rd0 */
>;
};
cpsw_pins_sleep: cpsw_pins_sleep {
pinctrl-single,pins = <
/* Slave 1 */
DRA7XX_CORE_IOPAD(0x3650, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x3654, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x3658, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x365c, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x3660, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x3664, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x3668, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x366c, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x3670, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x3674, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x3678, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x367c, PIN_INPUT | MUX_MODE15)
/* Slave 2 */
DRA7XX_CORE_IOPAD(0x3598, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x359c, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x35a0, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x35a4, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x35a8, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x35ac, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x35b0, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x35b4, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x35b8, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x35bc, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x35c0, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x35c4, PIN_INPUT | MUX_MODE15)
>;
};
davinci_mdio_pins_default: davinci_mdio_pins_default {
pinctrl-single,pins = <
/* MDIO */
DRA7XX_CORE_IOPAD(0x3590, PIN_OUTPUT_PULLUP | MUX_MODE3)/* vin2a_d10.mdio_mclk */
DRA7XX_CORE_IOPAD(0x3594, PIN_INPUT_PULLUP | MUX_MODE3) /* vin2a_d11.mdio_d */
>;
};
davinci_mdio_pins_sleep: davinci_mdio_pins_sleep {
pinctrl-single,pins = <
DRA7XX_CORE_IOPAD(0x3590, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x3594, PIN_INPUT | MUX_MODE15)
>;
};
ads7846_pins: pinmux_ads7846_pins {
pinctrl-single,pins = <
DRA7XX_CORE_IOPAD(0x3464, PIN_INPUT_PULLDOWN | MUX_MODE14) /* gpmc_a9.gpio1_31 */
>;
};
mcasp3_pins_default: mcasp3_pins_default {
pinctrl-single,pins = <
DRA7XX_CORE_IOPAD(0x3724, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp3_aclkx.mcasp3_aclkx */
DRA7XX_CORE_IOPAD(0x3728, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp3_fsx.mcasp3_fsx */
DRA7XX_CORE_IOPAD(0x372c, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mcasp3_axr0.mcasp3_axr0 */
DRA7XX_CORE_IOPAD(0x3730, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp3_axr1.mcasp3_axr1 */
>;
};
mcasp3_pins_sleep: mcasp3_pins_sleep {
pinctrl-single,pins = <
DRA7XX_CORE_IOPAD(0x3724, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x3728, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x372c, PIN_INPUT | MUX_MODE15)
DRA7XX_CORE_IOPAD(0x3730, PIN_INPUT | MUX_MODE15)
>;
};
};
&i2c1 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins_default>;
clock-frequency = <400000>;
};
&i2c3 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&i2c3_pins_default>;
clock-frequency = <400000>;
};
&i2c4 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&i2c4_pins_default>;
clock-frequency = <400000>;
tps659038: tps659038@58 {
compatible = "ti,tps659038";
reg = <0x58>;
interrupt-parent = <&gpio1>;
interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&tps659038_pins_default>;
#interrupt-cells = <2>;
interrupt-controller;
ti,system-power-controller;
tps659038_pmic {
compatible = "ti,tps659038-pmic";
regulators {
smps12_reg: smps12 {
/* VDD_MPU */
regulator-name = "smps12";
regulator-min-microvolt = < 850000>;
regulator-max-microvolt = <1250000>;
regulator-always-on;
regulator-boot-on;
};
smps3_reg: smps3 {
/* VDD_DDR */
regulator-name = "smps3";
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1500000>;
regulator-always-on;
regulator-boot-on;
};
smps45_reg: smps45 {
/* VDD_DSPEVE */
regulator-name = "smps45";
regulator-min-microvolt = < 850000>;
regulator-max-microvolt = <1250000>;
regulator-always-on;
regulator-boot-on;
};
smps6_reg: smps6 {
/* VDD_GPU */
regulator-name = "smps6";
regulator-min-microvolt = < 850000>;
regulator-max-microvolt = <1250000>;
regulator-always-on;
regulator-boot-on;
};
smps7_reg: smps7 {
/* VDD_CORE */
regulator-name = "smps7";
regulator-min-microvolt = < 850000>;
regulator-max-microvolt = <1160000>;
regulator-always-on;
regulator-boot-on;
};
smps8_reg: smps8 {
/* VDD_IVA */
regulator-name = "smps8";
regulator-min-microvolt = < 850000>;
regulator-max-microvolt = <1250000>;
regulator-always-on;
regulator-boot-on;
};
smps9_reg: smps9 {
/* PMIC_3V3 */
regulator-name = "smps9";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-boot-on;
};
ldo1_reg: ldo1 {
/* VDD_SD / VDDSHV8 */
regulator-name = "ldo1";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
ldo2_reg: ldo2 {
/* VDD_1V8 */
regulator-name = "ldo2";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};
ldo3_reg: ldo3 {
/* VDDA_1V8_PHYA - supplies VDDA_SATA, VDDA_USB1/2/3 */
regulator-name = "ldo3";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};
ldo4_reg: ldo4 {
/* VDDA_1V8_PHYB - supplies VDDA_HDMI, VDDA_PCIE/0/1 */
regulator-name = "ldo4";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};
ldo9_reg: ldo9 {
/* VDD_RTC */
regulator-name = "ldo9";
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <1050000>;
regulator-always-on;
regulator-boot-on;
};
ldoln_reg: ldoln {
/* VDDA_1V8_PLL */
regulator-name = "ldoln";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};
ldousb_reg: ldousb {
/* VDDA_3V_USB: VDDA_USBHS33 */
regulator-name = "ldousb";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-boot-on;
};
/* regen1 not used */
};
};
tps659038_pwr_button: tps659038_pwr_button {
compatible = "ti,palmas-pwrbutton";
interrupt-parent = <&tps659038>;
interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
wakeup-source;
ti,palmas-long-press-seconds = <12>;
};
tps659038_gpio: tps659038_gpio {
compatible = "ti,palmas-gpio";
gpio-controller;
#gpio-cells = <2>;
};
};
rtc0: rtc@56 {
compatible = "emmicro,em3027";
reg = <0x56>;
};
eeprom_module: atmel@50 {
compatible = "atmel,24c08";
reg = <0x50>;
pagesize = <16>;
};
wm8731: wm8731@1a {
#sound-dai-cells = <0>;
compatible = "wlf,wm8731";
reg = <0x1a>;
status = "okay";
};
};
&cpu0 {
cpu0-supply = <&smps12_reg>;
voltage-tolerance = <1>;
};
&sata {
status = "okay";
};
&mailbox5 {
status = "okay";
mbox_ipu1_ipc3x: mbox_ipu1_ipc3x {
status = "okay";
};
mbox_dsp1_ipc3x: mbox_dsp1_ipc3x {
status = "okay";
};
};
&mailbox6 {
status = "okay";
mbox_ipu2_ipc3x: mbox_ipu2_ipc3x {
status = "okay";
};
mbox_dsp2_ipc3x: mbox_dsp2_ipc3x {
status = "okay";
};
};
&mmc2 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&mmc2_pins_default>;
vmmc-supply = <&vdd_3v3>;
bus-width = <8>;
ti,non-removable;
cap-mmc-dual-data-rate;
};
&qspi {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&qspi1_pins>;
spi-max-frequency = <48000000>;
spi_flash: spi_flash@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "spansion,m25p80", "jedec,spi-nor";
reg = <0>; /* CS0 */
spi-max-frequency = <48000000>;
partition@0 {
label = "uboot";
reg = <0x0 0xc0000>;
};
partition@c0000 {
label = "uboot environment";
reg = <0xc0000 0x40000>;
};
partition@100000 {
label = "reserved";
reg = <0x100000 0x0>;
};
};
/* touch controller */
touchscreen@1 {
pinctrl-names = "default";
pinctrl-0 = <&ads7846_pins>;
compatible = "ti,ads7846";
vcc-supply = <&ads7846reg>;
reg = <1>; /* CS1 */
spi-max-frequency = <1500000>;
interrupt-parent = <&gpio1>;
interrupts = <31 0>;
pendown-gpio = <&gpio1 31 0>;
ti,x-min = /bits/ 16 <0x0>;
ti,x-max = /bits/ 16 <0x0fff>;
ti,y-min = /bits/ 16 <0x0>;
ti,y-max = /bits/ 16 <0x0fff>;
ti,x-plate-ohms = /bits/ 16 <180>;
ti,pressure-max = /bits/ 16 <255>;
ti,debounce-max = /bits/ 16 <30>;
ti,debounce-tol = /bits/ 16 <10>;
ti,debounce-rep = /bits/ 16 <1>;
wakeup-source;
};
};
&mac {
status = "okay";
pinctrl-names = "default", "sleep";
pinctrl-0 = <&cpsw_pins_default>;
pinctrl-1 = <&cpsw_pins_sleep>;
dual_emac;
};
&cpsw_emac0 {
phy-handle = <&ethphy0>;
phy-mode = "rgmii-txid";
dual_emac_res_vlan = <0>;
};
&cpsw_emac1 {
phy-handle = <&ethphy1>;
phy-mode = "rgmii-txid";
dual_emac_res_vlan = <1>;
};
&davinci_mdio {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&davinci_mdio_pins_default>;
pinctrl-1 = <&davinci_mdio_pins_sleep>;
ethphy0: ethernet-phy@0 {
reg = <0>;
};
ethphy1: ethernet-phy@1 {
reg = <1>;
};
};
&usb2_phy1 {
phy-supply = <&ldousb_reg>;
};
&usb2_phy2 {
phy-supply = <&ldousb_reg>;
};
&usb1 {
dr_mode = "host";
};
&usb2 {
dr_mode = "host";
};
&mcasp3 {
#sound-dai-cells = <0>;
pinctrl-names = "default", "sleep";
pinctrl-0 = <&mcasp3_pins_default>;
pinctrl-1 = <&mcasp3_pins_sleep>;
status = "okay";
op-mode = <0>; /* MCASP_IIS_MODE */
tdm-slots = <2>;
/* 4 serializers */
serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */
1 2 0 0
>;
};
&gpio3 {
status = "okay";
ti,no-reset-on-init;
};
&gpio2 {
status = "okay";
ti,no-reset-on-init;
};