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/*
* Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>
* Copyright (C) 2016 Michael Heimpold <mhei@heimpold.de>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
/dts-v1/;
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>
#include "imx28.dtsi"
/ {
model = "I2SE Duckbill 2 485";
compatible = "i2se,duckbill-2-485", "i2se,duckbill-2", "fsl,imx28";
memory@40000000 {
reg = <0x40000000 0x08000000>;
};
apb@80000000 {
apbh@80000000 {
ssp0: spi@80010000 {
compatible = "fsl,imx28-mmc";
pinctrl-names = "default";
pinctrl-0 = <&mmc0_8bit_pins_a
&mmc0_cd_cfg &mmc0_sck_cfg>;
bus-width = <8>;
vmmc-supply = <®_3p3v>;
status = "okay";
non-removable;
};
ssp2: spi@80014000 {
compatible = "fsl,imx28-mmc";
pinctrl-names = "default";
pinctrl-0 = <&mmc2_4bit_pins_b
&mmc2_cd_cfg &mmc2_sck_cfg_b>;
bus-width = <4>;
vmmc-supply = <®_3p3v>;
status = "okay";
};
pinctrl@80018000 {
pinctrl-names = "default";
pinctrl-0 = <&hog_pins_a>;
hog_pins_a: hog@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_LCD_D17__GPIO_1_17 /* Revision detection */
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
mac0_phy_reset_pin: mac0-phy-reset@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_GPMI_ALE__GPIO_0_26 /* PHY Reset */
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
mac0_phy_int_pin: mac0-phy-int@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_GPMI_D07__GPIO_0_7 /* PHY Interrupt */
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
led_pins: leds@0 {
reg = <0>;
fsl,pinmux-ids = <
MX28_PAD_SAIF0_MCLK__GPIO_3_20
MX28_PAD_SAIF0_LRCLK__GPIO_3_21
MX28_PAD_I2C0_SCL__GPIO_3_24
MX28_PAD_I2C0_SDA__GPIO_3_25
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
};
};
apbx@80040000 {
lradc@80050000 {
status = "okay";
};
auart0: serial@8006a000 {
pinctrl-names = "default";
pinctrl-0 = <&auart0_2pins_a>;
status = "okay";
};
duart: serial@80074000 {
pinctrl-names = "default";
pinctrl-0 = <&duart_pins_a>;
status = "okay";
};
usbphy0: usbphy@8007c000 {
status = "okay";
};
};
};
ahb@80080000 {
usb0: usb@80080000 {
status = "okay";
dr_mode = "peripheral";
};
mac0: ethernet@800f0000 {
phy-mode = "rmii";
pinctrl-names = "default";
pinctrl-0 = <&mac0_pins_a>, <&mac0_phy_reset_pin>;
phy-supply = <®_3p3v>;
phy-reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
phy-reset-duration = <25>;
phy-handle = <ðphy>;
status = "okay";
mdio {
#address-cells = <1>;
#size-cells = <0>;
ethphy: ethernet-phy@0 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <0>;
pinctrl-names = "default";
pinctrl-0 = <&mac0_phy_int_pin>;
interrupt-parent = <&gpio0>;
interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
max-speed = <100>;
};
};
};
};
reg_3p3v: regulator-3p3v {
compatible = "regulator-fixed";
regulator-name = "3P3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&led_pins>;
status-red {
label = "duckbill:red:status";
gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "default-on";
};
status-green {
label = "duckbill:green:status";
gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "heartbeat";
};
rs485-red {
label = "duckbill:red:rs485";
gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
};
rs485-green {
label = "duckbill:green:rs485";
gpios = <&gpio3 25 GPIO_ACTIVE_LOW>;
};
};
};
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