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authorMichael Heimpold <mhei@heimpold.de>2017-02-09 10:42:47 +0300
committerShawn Guo <shawnguo@kernel.org>2017-04-10 11:15:59 +0300
commit7f0e2da55a42fa286435984c6608536a83d1b07a (patch)
tree44987b08891b7bbda2a4d6ca7b7de55aa3ecbdd1 /arch/arm/boot/dts/imx28-duckbill-2-485.dts
parentc98cea9f585fcb3f75c46d194601eb0a346bfd45 (diff)
downloadlinux-7f0e2da55a42fa286435984c6608536a83d1b07a.tar.xz
ARM: dts: add support for I2SE Duckbill 2 485
This machine is based on I2SE's Duckbill 2 board and features a RS-485 daugther board. This device is intended to be used for e.g. home automation purposes. Signed-off-by: Michael Heimpold <mhei@heimpold.de> Cc: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/imx28-duckbill-2-485.dts')
-rw-r--r--arch/arm/boot/dts/imx28-duckbill-2-485.dts189
1 files changed, 189 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx28-duckbill-2-485.dts b/arch/arm/boot/dts/imx28-duckbill-2-485.dts
new file mode 100644
index 000000000000..bd3fd470f9c3
--- /dev/null
+++ b/arch/arm/boot/dts/imx28-duckbill-2-485.dts
@@ -0,0 +1,189 @@
+/*
+ * 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 {
+ 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
+ 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 = <&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";
+ };
+
+ rs485-red {
+ label = "duckbill:red:rs485";
+ gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
+ };
+
+ rs485-green {
+ label = "duckbill:green:rs485";
+ gpios = <&gpio3 25 GPIO_ACTIVE_LOW>;
+ };
+ };
+};