From: Michael Heimpold <mhei@xxxxxxxxxxx> 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@xxxxxxxxxxx> Cc: Stefan Wahren <stefan.wahren@xxxxxxxx> --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/imx28-duckbill-2-485.dts | 189 +++++++++++++++++++++++++++++ 2 files changed, 190 insertions(+) create mode 100644 arch/arm/boot/dts/imx28-duckbill-2-485.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index fa4664b..5f758b9 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -475,6 +475,7 @@ dtb-$(CONFIG_ARCH_MXS) += \ imx28-cfa10056.dtb \ imx28-cfa10057.dtb \ imx28-cfa10058.dtb \ + imx28-duckbill-2-485.dtb \ imx28-duckbill-2.dtb \ imx28-duckbill.dtb \ imx28-eukrea-mbmx283lc.dtb \ 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 0000000..bd3fd47 --- /dev/null +++ b/arch/arm/boot/dts/imx28-duckbill-2-485.dts @@ -0,0 +1,189 @@ +/* + * Copyright (C) 2015-2017 I2SE GmbH <info@xxxxxxxx> + * Copyright (C) 2016 Michael Heimpold <mhei@xxxxxxxxxxx> + * + * 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 = <®_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 = <®_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>; + }; + }; +}; -- 2.6.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
