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ramips: add support for Rakwireless RAK633

It's OEM module with 2*26 pin header, similar to LinkIt Smart 7688 or
Vocore2.

Specification:

CPU:       MT7628 580 MHz. MIPS 24K
RAM:       64 MB
Flash:     8 MB
WIFI:      802.11n/g/b 20/40 MHz
USB:       1x Port USB 2.0
Ethernet:  5 Port ethernet switch
UART:      2x

Installation: Use the installed uboot Bootloader. Connect a serial cable
to serialport 0. Turn power on.  Choose the option: "Load system code
then write to Flash via TFTP".  Choose the local device IP and the TFTP
server IP and the file name of the system image.  After if the
Bootloader will copy the image to the local flash.

Notes: The I2C Kernel module work not correctly. You can send and
receive data. But the command i2cdetect doesn’t work. FS#845

Signed-off-by: Eike Feldmann <eike.feldmann@outlook.com>
[commit subject and message touches, DTS whitespace fixes, wifi LED
rename, pinctrl fixes, network settings fixes, lan/wmac mac addresses,
removed i2c kernel modules]
Signed-off-by: Petr Štetiar <ynezz@true.cz>
  • Loading branch information...
eikepedia authored and ynezz committed Feb 26, 2019
1 parent 43e8c37 commit 9e0fb5a27ff53214734a0d8776161342cf7359e8
@@ -283,6 +283,9 @@ netgear,r6350)
ucidef_set_led_netdev "wan" "wan" "$boardname:green:wan" eth0.2
set_wifi_led "$boardname:green:wifi"
;;
rakwireless,rak633)
set_wifi_led "$boardname:blue:wifi"
;;
re350-v1)
ucidef_set_led_netdev "wifi2g" "Wifi 2.4G" "$boardname:blue:wifi2G" "wlan0"
ucidef_set_led_netdev "wifi5g" "Wifi 5G" "$boardname:blue:wifi5G" "wlan1"
@@ -193,6 +193,7 @@ ramips_setup_interfaces()
;;
ar670w|\
ar725w|\
rakwireless,rak633|\
rt-ac51u)
ucidef_add_switch "switch0" \
"0:wan" "1:lan" "2:lan" "3:lan" "4:lan" "6t@eth0"
@@ -0,0 +1,104 @@
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/dts-v1/;

#include "mt7628an.dtsi"

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>

/ {
compatible = "rakwireless,rak633", "mediatek,mt7628an-soc";
model = "Rakwireless RAK633";

memory@0 {
device_type = "memory";
reg = <0x0 0x4000000>;
};

leds {
compatible = "gpio-leds";

wifi {
label = "rak633:blue:wifi";
gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
};
};
};

&pinctrl {
state_default: pinctrl0 {
wled_an {
ralink,group = "wled_an";
ralink,function = "gpio";
};
};
};

&spi0 {
status = "okay";

flash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <10000000>;

partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;

partition@0 {
label = "u-boot";
reg = <0x0 0x30000>;
read-only;
};

partition@30000 {
label = "u-boot-env";
reg = <0x30000 0x10000>;
read-only;
};

factory: partition@40000 {
label = "factory";
reg = <0x40000 0x10000>;
read-only;
};

partition@50000 {
compatible = "denx,uimage";
label = "firmware";
reg = <0x50000 0x7b0000>;
};
};
};
};

&i2c {
status = "okay";
};

&i2s {
status = "okay";
};

&uart1 {
status = "okay";
};

&uart2 {
status = "okay";
};

&gdma {
status = "okay";
};

&ethernet {
mtd-mac-address = <&factory 0x28>;
};

&wmac {
status = "okay";
ralink,mtd-eeprom = <&factory 0x4>;
};
@@ -164,6 +164,13 @@ define Device/pbr-d1
endef
TARGET_DEVICES += pbr-d1

define Device/rakwireless_rak633
DTS := RAK633
DEVICE_TITLE := Rakwireless RAK633
DEVICE_PACKAGES := kmod-usb2 kmod-usb-ohci
endef
TARGET_DEVICES += rakwireless_rak633

define Device/skylab_skw92a
DTS := SKW92A
IMAGE_SIZE := 16064k

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