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ARM: dts: add support for I2SE Duckbill 2 boards 

This machine is an USB pen drive sized development board,
based on NXP's i.MX28 CPU. In contrast to the previous
model "Duckbill", the "Duckbill 2" series has internal
eMMC storage.

Signed-off-by: Michael Heimpold <mhei@heimpold.de>
Cc: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Michael Heimpold 2017-02-09 08:42:46 +01:00 committed by Shawn Guo
parent 132a7444ed
commit c98cea9f58
2 changed files with 184 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/boot/dts/Makefile
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@ -488,6 +488,7 @@ dtb-$(CONFIG_ARCH_MXS) += \
imx28-cfa10056.dtb \
imx28-cfa10057.dtb \
imx28-cfa10058.dtb \
imx28-duckbill-2.dtb \
imx28-duckbill.dtb \
imx28-eukrea-mbmx283lc.dtb \
imx28-eukrea-mbmx287lc.dtb \

183
arch/arm/boot/dts/imx28-duckbill-2.dts Normal file
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@ -0,0 +1,183 @@
/*
* 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";
compatible = "i2se,duckbill-2", "fsl,imx28";
memory {
reg = <0x40000000 0x08000000>;
};
apb@80000000 {
apbh@80000000 {
ssp0: ssp@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 = <&reg_3p3v>;
status = "okay";
non-removable;
};
ssp2: ssp@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 = <&reg_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
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
};
};
apbx@80040000 {
lradc@80050000 {
status = "okay";
};
i2c0: i2c@80058000 {
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins_a>;
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 = <&reg_3p3v>;
phy-reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
phy-reset-duration = <25>;
phy-handle = <&ethphy>;
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";
};
};
};