/*
* Copyright 2012 Shawn Guo <shawn.guo@linaro.org>
* Copyright 2013-2017 Lothar Waßmann <LW@KARO-electronics.de>
*
* This file is dual-licensed: you can use it either under the terms
* of the GPL or the X11 license, at your option. Note that this dual
* licensing only applies to this file, and not this project as a
* whole.
*
* a) This file 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.
*
* This file is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Or, alternatively,
*
* b) Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/dts-v1/;
#include "imx28.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
/ {
model = "Ka-Ro electronics TX28 module";
compatible = "karo,tx28", "fsl,imx28";
aliases {
can0 = &can0;
can1 = &can1;
display = &display0;
ds1339 = &ds1339;
gpio5 = &gpio5;
lcdif = &lcdif;
lcdif_23bit_pins = &tx28_lcdif_23bit_pins;
lcdif_24bit_pins = &lcdif_24bit_pins_a;
reg_can_xcvr = ®_can_xcvr;
spi_gpio = &spi_gpio;
spi_mxs = &ssp3;
stk5led = &user_led;
usbotg = &usb0;
};
memory@40000000 {
reg = <0x40000000 0>; /* will be filled in by U-Boot */
};
onewire {
compatible = "w1-gpio";
gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>;
status = "disabled";
};
reg_usb0_vbus: regulator-usb0-vbus {
compatible = "regulator-fixed";
regulator-name = "usb0_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpio = <&gpio0 18 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
reg_usb1_vbus: regulator-usb1-vbus {
compatible = "regulator-fixed";
regulator-name = "usb1_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpio = <&gpio3 27 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
reg_2p5v: regulator-2p5v {
compatible = "regulator-fixed";
regulator-name = "2P5V";
regulator-min-microvolt = <2500000>;
regulator-max-microvolt = <2500000>;
regulator-always-on;
};
reg_3p3v: regulator-3p3v {
compatible = "regulator-fixed";
regulator-name = "3P3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
reg_can_xcvr: regulator-can-xcvr {
compatible = "regulator-fixed";
regulator-name = "CAN XCVR";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio1 0 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&tx28_flexcan_xcvr_pins>;
};
reg_lcd: regulator-lcd-power {
compatible = "regulator-fixed";
regulator-name = "LCD POWER";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio1 31 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
reg_lcd_reset: regulator-lcd-reset {
compatible = "regulator-fixed";
regulator-name = "LCD RESET";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio3 30 GPIO_ACTIVE_HIGH>;
startup-delay-us = <300000>;
enable-active-high;
regulator-always-on;
regulator-boot-on;
};
mclk: clock-mclk {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <26000000>;
};
sound {
compatible = "fsl,imx28-tx28-sgtl5000",
"fsl,mxs-audio-sgtl5000";
model = "imx28-tx28-sgtl5000";
saif-controllers = <&saif0 &saif1>;
audio-codec = <&sgtl5000>;
};
leds {
compatible = "gpio-leds";
user_led: user {
label = "Heartbeat";
gpios = <&gpio4 10 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "heartbeat";
};
};
backlight {
compatible = "pwm-backlight";
pwms = <&pwm 0 500000>;
/*
* a silly way to create a 1:1 relationship between the
* PWM value and the actual duty cycle
*/
brightness-levels = < 0 1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19
20 21 22 23 24 25 26 27 28 29
30 31 32 33 34 35 36 37 38 39
40 41 42 43 44 45 46 47 48 49
50 51 52 53 54 55 56 57 58 59
60 61 62 63 64 65 66 67 68 69
70 71 72 73 74 75 76 77 78 79
80 81 82 83 84 85 86 87 88 89
90 91 92 93 94 95 96 97 98 99
100>;
default-brightness-level = <50>;
};
matrix_keypad: matrix-keypad {
compatible = "gpio-matrix-keypad";
col-gpios = <
&gpio5 0 GPIO_ACTIVE_HIGH
&gpio5 1 GPIO_ACTIVE_HIGH
&gpio5 2 GPIO_ACTIVE_HIGH
&gpio5 3 GPIO_ACTIVE_HIGH
>;
row-gpios = <
&gpio5 4 GPIO_ACTIVE_HIGH
&gpio5 5 GPIO_ACTIVE_HIGH
&gpio5 6 GPIO_ACTIVE_HIGH
&gpio5 7 GPIO_ACTIVE_HIGH
>;
/* sample keymap */
linux,keymap = <
0x00000074 /* row 0, col 0, KEY_POWER */
0x00010052 /* row 0, col 1, KEY_KP0 */
0x0002004f /* row 0, col 2, KEY_KP1 */
0x00030050 /* row 0, col 3, KEY_KP2 */
0x01000051 /* row 1, col 0, KEY_KP3 */
0x0101004b /* row 1, col 1, KEY_KP4 */
0x0102004c /* row 1, col 2, KEY_KP5 */
0x0103004d /* row 1, col 3, KEY_KP6 */
0x02000047 /* row 2, col 0, KEY_KP7 */
0x02010048 /* row 2, col 1, KEY_KP8 */
0x02020049 /* row 2, col 2, KEY_KP9 */
>;
gpio-activelow;
wakeup-source;
debounce-delay-ms = <100>;
col-scan-delay-us = <5000>;
linux,no-autorepeat;
};
spi_gpio: spi-gpio {
compatible = "spi-gpio";
#address-cells = <1>;
#size-cells = <0>;
pinctrl-names = "default";
pinctrl-0 = <&tx28_spi_gpio_pins>;
gpio-sck = <&gpio2 24 GPIO_ACTIVE_HIGH>;
gpio-mosi = <&gpio2 25 GPIO_ACTIVE_HIGH>;
gpio-miso = <&gpio2 26 GPIO_ACTIVE_HIGH>;
num-chipselects = <3>;
cs-gpios = <
&gpio2 27 GPIO_ACTIVE_LOW
&gpio3 8 GPIO_ACTIVE_LOW
&gpio3 9 GPIO_ACTIVE_LOW
>;
/* enable this and disable ssp3 below, if you need full duplex SPI transfer */
status = "disabled";
spi@0 {
compatible = "spidev";
reg = <0>;
spi-max-frequency = <57600000>;
};
spi@1 {
compatible = "spidev";
reg = <1>;
spi-max-frequency = <57600000>;
};
spi@2 {
compatible = "spidev";
reg = <2>;
spi-max-frequency = <57600000>;
};
};
};
/* 2nd TX-Std UART - (A)UART1 */
&auart1 {
pinctrl-names = "default";
pinctrl-0 = <&auart1_pins_a>;
status = "okay";
};
/* 3rd TX-Std UART - (A)UART3 */
&auart3 {
pinctrl-names = "default";
pinctrl-0 = <&auart3_pins_a>;
status = "okay";
};
&can0 {
pinctrl-names = "default";
pinctrl-0 = <&can0_pins_a>;
xceiver-supply = <®_can_xcvr>;
status = "okay";
};
&can1 {
pinctrl-names = "default";
pinctrl-0 = <&can1_pins_a>;
xceiver-supply = <®_can_xcvr>;
status = "okay";
};
&digctl {
status = "okay";
};
/* 1st TX-Std UART - (D)UART */
&duart {
pinctrl-names = "default";
pinctrl-0 = <&duart_4pins_a>;
status = "okay";
};
&gpmi {
pinctrl-0 = <&gpmi_pins_a &gpmi_status_cfg>;
nand-on-flash-bbt;
status = "okay";
};
&i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins_a>;
clock-frequency = <400000>;
status = "okay";
sgtl5000: sgtl5000@a {
compatible = "fsl,sgtl5000";
reg = <0x0a>;
VDDA-supply = <®_2p5v>;
VDDIO-supply = <®_3p3v>;
clocks = <&mclk>;
};
gpio5: pca953x@20 {
compatible = "nxp,pca9554";
reg = <0x20>;
pinctrl-names = "default";
pinctrl-0 = <&tx28_pca9554_pins>;
interrupt-parent = <&gpio3>;
interrupts = <28 IRQ_TYPE_NONE>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
};
polytouch: edt-ft5x06@38 {
compatible = "edt,edt-ft5x06";
reg = <0x38>;
pinctrl-names = "default";
pinctrl-0 = <&tx28_edt_ft5x06_pins>;
interrupt-parent = <&gpio2>;
interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
wake-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>;
wakeup-source;
};
touchscreen: tsc2007@48 {
compatible = "ti,tsc2007";
reg = <0x48>;
pinctrl-names = "default";
pinctrl-0 = <&tx28_tsc2007_pins>;
interrupt-parent = <&gpio3>;
interrupts = <20 IRQ_TYPE_EDGE_FALLING>;
pendown-gpio = <&gpio3 20 GPIO_ACTIVE_LOW>;
ti,x-plate-ohms = /bits/ 16 <660>;
};
ds1339: rtc@68 {
compatible = "mxim,ds1339";
reg = <0x68>;
trickle-resistor-ohms = <250>;
trickle-diode-disable;
};
};
&lcdif {
pinctrl-names = "default";
pinctrl-0 = <&lcdif_24bit_pins_a &lcdif_sync_pins_a &tx28_lcdif_ctrl_pins>;
lcd-supply = <®_lcd>;
display = <&display0>;
status = "okay";
display0: display0 {
bits-per-pixel = <32>;
bus-width = <24>;
display-timings {
native-mode = <&timing5>;
timing0: timing0 {
panel-name = "VGA";
clock-frequency = <25175000>;
hactive = <640>;
vactive = <480>;
hback-porch = <48>;
hsync-len = <96>;
hfront-porch = <16>;
vback-porch = <33>;
vsync-len = <2>;
vfront-porch = <10>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <1>;
pixelclk-active = <1>;
};
timing1: timing1 {
panel-name = "ETV570";
clock-frequency = <25175000>;
hactive = <640>;
vactive = <480>;
hback-porch = <114>;
hsync-len = <30>;
hfront-porch = <16>;
vback-porch = <32>;
vsync-len = <3>;
vfront-porch = <10>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <1>;
pixelclk-active = <1>;
};
timing2: timing2 {
panel-name = "ET0350";
clock-frequency = <6500000>;
hactive = <320>;
vactive = <240>;
hback-porch = <34>;
hsync-len = <34>;
hfront-porch = <20>;
vback-porch = <15>;
vsync-len = <3>;
vfront-porch = <4>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <1>;
pixelclk-active = <1>;
};
timing3: timing3 {
panel-name = "ET0430";
clock-frequency = <9000000>;
hactive = <480>;
vactive = <272>;
hback-porch = <2>;
hsync-len = <41>;
hfront-porch = <2>;
vback-porch = <2>;
vsync-len = <10>;
vfront-porch = <2>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <1>;
pixelclk-active = <1>;
};
timing4: timing4 {
panel-name = "ET0500", "ET0700";
clock-frequency = <33260000>;
hactive = <800>;
vactive = <480>;
hback-porch = <88>;
hsync-len = <128>;
hfront-porch = <40>;
vback-porch = <33>;
vsync-len = <2>;
vfront-porch = <10>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <1>;
pixelclk-active = <1>;
};
timing5: timing5 {
panel-name = "ETQ570";
clock-frequency = <6400000>;
hactive = <320>;
vactive = <240>;
hback-porch = <38>;
hsync-len = <30>;
hfront-porch = <30>;
vback-porch = <16>;
vsync-len = <3>;
vfront-porch = <4>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <1>;
pixelclk-active = <1>;
};
};
};
};
&lradc {
fsl,lradc-touchscreen-wires = <4>;
status = "okay";
};
&mac0 {
phy-mode = "rmii";
pinctrl-names = "default", "gpio_mode";
pinctrl-0 = <&mac0_pins_a>;
pinctrl-1 = <&tx28_mac0_pins_gpio>;
status = "okay";
};
&mac1 {
phy-mode = "rmii";
pinctrl-names = "default";
pinctrl-0 = <&mac1_pins_a>;
/* not enabled by default */
};
&mxs_rtc {
status = "okay";
};
&ocotp {
status = "okay";
};
&pwm {
pinctrl-names = "default";
pinctrl-0 = <&pwm0_pins_a>;
status = "okay";
};
&pinctrl {
pinctrl-names = "default";
pinctrl-0 = <&hog_pins_a>;
hog_pins_a: hog@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_ENET0_RXD3__GPIO_4_10 /* module LED */
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
tx28_edt_ft5x06_pins: tx28-edt-ft5x06-pins@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_SSP0_DATA6__GPIO_2_6 /* RESET */
MX28_PAD_SSP0_DATA5__GPIO_2_5 /* IRQ */
MX28_PAD_ENET0_RXD2__GPIO_4_9 /* WAKE */
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
tx28_flexcan_xcvr_pins: tx28-flexcan-xcvr-pins@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_LCD_D00__GPIO_1_0
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
tx28_lcdif_23bit_pins: tx28-lcdif-23bit@0 {
reg = <0>;
fsl,pinmux-ids = <
/* LCD_D00 may be used as Flexcan Transceiver Enable on STK5-V5 */
MX28_PAD_LCD_D01__LCD_D1
MX28_PAD_LCD_D02__LCD_D2
MX28_PAD_LCD_D03__LCD_D3
MX28_PAD_LCD_D04__LCD_D4
MX28_PAD_LCD_D05__LCD_D5
MX28_PAD_LCD_D06__LCD_D6
MX28_PAD_LCD_D07__LCD_D7
MX28_PAD_LCD_D08__LCD_D8
MX28_PAD_LCD_D09__LCD_D9
MX28_PAD_LCD_D10__LCD_D10
MX28_PAD_LCD_D11__LCD_D11
MX28_PAD_LCD_D12__LCD_D12
MX28_PAD_LCD_D13__LCD_D13
MX28_PAD_LCD_D14__LCD_D14
MX28_PAD_LCD_D15__LCD_D15
MX28_PAD_LCD_D16__LCD_D16
MX28_PAD_LCD_D17__LCD_D17
MX28_PAD_LCD_D18__LCD_D18
MX28_PAD_LCD_D19__LCD_D19
MX28_PAD_LCD_D20__LCD_D20
MX28_PAD_LCD_D21__LCD_D21
MX28_PAD_LCD_D22__LCD_D22
MX28_PAD_LCD_D23__LCD_D23
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
tx28_lcdif_ctrl_pins: tx28-lcdif-ctrl@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_LCD_ENABLE__GPIO_1_31 /* Enable */
MX28_PAD_LCD_RESET__GPIO_3_30 /* Reset */
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
tx28_mac0_pins_gpio: tx28-mac0-gpio-pins@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_ENET0_MDC__GPIO_4_0
MX28_PAD_ENET0_MDIO__GPIO_4_1
MX28_PAD_ENET0_RX_EN__GPIO_4_2
MX28_PAD_ENET0_RXD0__GPIO_4_3
MX28_PAD_ENET0_RXD1__GPIO_4_4
MX28_PAD_ENET0_TX_EN__GPIO_4_6
MX28_PAD_ENET0_TXD0__GPIO_4_7
MX28_PAD_ENET0_TXD1__GPIO_4_8
MX28_PAD_ENET_CLK__GPIO_4_16
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
tx28_pca9554_pins: tx28-pca9554-pins@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_PWM3__GPIO_3_28
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
tx28_spi_gpio_pins: spi-gpiogrp@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_AUART2_RX__GPIO_3_8
MX28_PAD_AUART2_TX__GPIO_3_9
MX28_PAD_SSP3_SCK__GPIO_2_24
MX28_PAD_SSP3_MOSI__GPIO_2_25
MX28_PAD_SSP3_MISO__GPIO_2_26
MX28_PAD_SSP3_SS0__GPIO_2_27
>;
fsl,drive-strength = <MXS_DRIVE_8mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
tx28_tsc2007_pins: tx28-tsc2007-pins@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_SAIF0_MCLK__GPIO_3_20 /* TSC2007 IRQ */
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
tx28_usbphy0_pins: tx28-usbphy0-pins@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_GPMI_CE2N__GPIO_0_18 /* USBOTG_VBUSEN */
MX28_PAD_GPMI_CE3N__GPIO_0_19 /* USBOTH_OC */
>;
fsl,drive-strength = <MXS_DRIVE_12mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
tx28_usbphy1_pins: tx28-usbphy1-pins@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_SPDIF__GPIO_3_27 /* USBH_VBUSEN */
MX28_PAD_JTAG_RTCK__GPIO_4_20 /* USBH_OC */
>;
fsl,drive-strength = <MXS_DRIVE_12mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
};
&saif0 {
pinctrl-names = "default";
pinctrl-0 = <&saif0_pins_b>;
fsl,saif-master;
status = "okay";
};
&saif1 {
pinctrl-names = "default";
pinctrl-0 = <&saif1_pins_a>;
status = "okay";
};
&ssp0 {
compatible = "fsl,imx28-mmc";
pinctrl-names = "default", "special";
pinctrl-0 = <&mmc0_4bit_pins_a
&mmc0_cd_cfg
&mmc0_sck_cfg>;
bus-width = <4>;
status = "okay";
};
&ssp3 {
compatible = "fsl,imx28-spi";
pinctrl-names = "default";
pinctrl-0 = <&spi3_pins_a>;
clock-frequency = <57600000>;
status = "okay";
spi@0 {
compatible = "spidev";
reg = <0>;
spi-max-frequency = <57600000>;
};
spi@1 {
compatible = "spidev";
reg = <1>;
spi-max-frequency = <57600000>;
};
spi@2 {
compatible = "spidev";
reg = <2>;
spi-max-frequency = <57600000>;
};
};
&usb0 {
vbus-supply = <®_usb0_vbus>;
disable-over-current;
dr_mode = "peripheral";
status = "okay";
};
&usb1 {
vbus-supply = <®_usb1_vbus>;
disable-over-current;
dr_mode = "host";
status = "okay";
};
&usbphy0 {
pinctrl-names = "default";
pinctrl-0 = <&tx28_usbphy0_pins>;
phy_type = "utmi";
status = "okay";
};
&usbphy1 {
pinctrl-names = "default";
pinctrl-0 = <&tx28_usbphy1_pins>;
phy_type = "utmi";
status = "okay";
};
