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lps8n: Initial support for Dragino LPS8N gateway.
LPS8N device configuration for OpenWrt based on: https://github.com/YYH2913/lede.
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‎conf/dragino_lps8n/.config‎

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‎conf/dragino_lps8n/files/etc/banner‎

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________ _ _____ __ __ _
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/ ____/ /_ (_)________ / ___// /_____ ______/ /__ (_)___
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/ / / __ \/ / ___/ __ \\__ \/ __/ __ `/ ___/ //_/ / / __ \
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/ /___/ / / / / / / /_/ /__/ / /_/ /_/ / /__/ ,< _ / / /_/ /
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\____/_/ /_/_/_/ / .___/____/\__/\__,_/\___/_/|_(_)_/\____/
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/_/
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Documentation and copyright information:
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> www.chirpstack.io

‎conf/dragino_lps8n/files/etc/hotplug.d/net/10-set-wifi-mac‎

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[ "$ACTION" == "add" ] || exit 0
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[ "$DEVTYPE" == "wlan" ] || exit 0
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. /lib/functions.sh
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. /lib/functions/system.sh
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uci set wireless.@wifi-iface[0].macaddr=$(mtd_get_mac_binary art 0x0)
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uci commit wireless
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wifi reload

‎conf/dragino_lps8n/files/etc/inittab‎

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::sysinit:/etc/init.d/rcS S boot
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::shutdown:/etc/init.d/rcS K shutdown
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::askconsole:/bin/login

‎conf/dragino_lps8n/files/etc/uci-defaults/90_config_chirpstack_ap‎

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if ! uci get wireless; then
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exit 0
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fi
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if [ "$(uci -q get wireless.default_radio0.ssid)" != "OpenWrt" ]; then
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exit 0
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fi
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. /lib/functions.sh
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. /lib/functions/system.sh
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GWID_END=$(mtd_get_mac_binary art 0x6 | awk -F\: '{print $4$5$6}')
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uci -q batch << EOI
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set dhcp.wwan=dhcp
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set dhcp.wwan.interface='wwan'
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set dhcp.wwan.start='100'
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set dhcp.wwan.limit='150'
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set dhcp.wwan.leasetime='12h'
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commit dhcp
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set network.wwan=interface
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set network.wwan.proto='static'
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set network.wwan.ipaddr='192.168.0.1'
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set network.wwan.netmask='255.255.255.0'
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commit network
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delete wireless.radio0.disabled
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set wireless.default_radio0=wifi-iface
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set wireless.default_radio0.device='radio0'
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set wireless.default_radio0.network='wwan'
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set wireless.default_radio0.mode='ap'
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set wireless.default_radio0.ssid="ChirpStackAP-${GWID_END}"
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set wireless.default_radio0.encryption='psk2'
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set wireless.default_radio0.key='ChirpStackAP'
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commit wireless
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add_list firewall.@zone[0].network='wwan'
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set firewall.@zone[0].masq='1'
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commit firewall
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EOI

‎conf/dragino_lps8n/files/etc/uci-defaults/90_config_lan‎

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uci -q batch << EOI
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set network.lan.proto='dhcp'
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delete network.lan.ipaddr
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delete network.lan.netmask
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delete network.lan.ip6assign
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EOI

‎conf/dragino_lps8n/files/etc/uci-defaults/90_firewall‎

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uci -q batch << EOI
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add firewall rule
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set firewall.@rule[-1].name='Allow HTTPS'
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set firewall.@rule[-1].src='wan'
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set firewall.@rule[-1].dest_port='443'
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set firewall.@rule[-1].proto='tcp'
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set firewall.@rule[-1].target='ACCEPT'
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add firewall rule
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set firewall.@rule[-1].name='Allow SSH'
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set firewall.@rule[-1].src='wan'
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set firewall.@rule[-1].dest_port='22'
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set firewall.@rule[-1].proto='tcp'
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set firewall.@rule[-1].target='ACCEPT'
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commit firewall
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EOI

‎conf/dragino_lps8n/files/etc/uci-defaults/90_set_hostname‎

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if [ "$(uci -q get system.@system[0].hostname)" != "OpenWrt" ]; then
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exit 0
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fi
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. /lib/functions.sh
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. /lib/functions/system.sh
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GWID_END=$(mtd_get_mac_binary art 0x6 | awk -F\: '{print $4$5$6}')
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uci set system.@system[0].hostname="chirpstack-${GWID_END}"
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uci commit system
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echo $(uci get system.@system[0].hostname) > /proc/sys/kernel/hostname

‎conf/dragino_lps8n/patches/add_dragino_lps8n_device.patch‎

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Index: openwrt/target/linux/ath79/dts/ar9331_dragino_lps8n.dts
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===================================================================
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--- /dev/null
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+++ openwrt/target/linux/ath79/dts/ar9331_dragino_lps8n.dts
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@@ -0,0 +1,209 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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+
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+#include "ar9331.dtsi"
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+
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+#include <dt-bindings/gpio/gpio.h>
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+#include <dt-bindings/input/input.h>
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+#include <dt-bindings/leds/common.h>
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+
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+/ {
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+ model = "Dragino LPS8N";
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+ compatible = "dragino,lps8n", "qca,ar9331";
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+
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+ aliases {
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+ label-mac-device = &wmac;
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+ spi1 = &spidev_gpio;
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+ };
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+
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+ leds {
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+ compatible = "gpio-leds";
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+
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+ wlan {
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+ function = LED_FUNCTION_WLAN;
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+ color = <LED_COLOR_ID_RED>;
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+ gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
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+ linux,default-trigger = "phy0tpt";
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+ };
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+
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+ wan {
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+ label = "dragino2:red:wan";
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+ gpios = <&gpio 17 GPIO_ACTIVE_LOW>;
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+ };
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+
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+ lan {
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+ label = "dragino2:red:lan";
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+ gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
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+ };
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+
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+ system {
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+ label = "dragino2:red:system";
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+ gpios = <&gpio 28 GPIO_ACTIVE_LOW>;
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+ };
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+ };
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+
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+ keys {
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+ compatible = "gpio-keys";
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+
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+ wps {
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+ label = "wps";
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+ linux,code = <KEY_WPS_BUTTON>;
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+ gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
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+ debounce-interval = <60>;
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+ };
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+
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+ reset {
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+ label = "reset";
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+ linux,code = <KEY_RESTART>;
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+ gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
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+ debounce-interval = <60>;
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+ };
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+ };
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+
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+ /* Software SPI for SX1302 + SX1250 (GPIO18 MOSI, GPIO20 MISO, GPIO24 SCK, GPIO19 CSN)*/
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+ spidev_gpio: spi-gpio {
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+ compatible = "spi-gpio";
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ status = "okay";
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+
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+ sck-gpios = <&gpio 24 GPIO_ACTIVE_HIGH>;
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+ mosi-gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
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+ miso-gpios = <&gpio 20 GPIO_ACTIVE_HIGH>;
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+ cs-gpios = <&gpio 19 GPIO_ACTIVE_LOW>;
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+
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+ spidev@0 {
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+ compatible = "rohm,dh2228fv";
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+ status = "okay";
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+ reg = <0>;
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+ spi-max-frequency = <2000000>;
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+ };
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+ };
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+
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+ /* Bit-banged I2C on GPIO7 (SDA) and GPIO8 (SCL) */
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+ i2c_gpio: i2c-gpio {
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+ compatible = "i2c-gpio";
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ status = "okay";
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+
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+ sda-gpios = <&gpio 7 GPIO_ACTIVE_HIGH>;
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+ scl-gpios = <&gpio 8 GPIO_ACTIVE_HIGH>;
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+ i2c-gpio,delay-us = <5>;
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+ };
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+
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+ /* Assume VBUS always present */
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+ reg_usb_vbus: regulator-usb-vbus {
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+ compatible = "regulator-fixed";
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+ regulator-name = "usb_vbus";
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+ regulator-min-microvolt = <5000000>;
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+ regulator-max-microvolt = <5000000>;
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+ regulator-always-on;
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+ };
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+};
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+
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+&ref {
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+ clock-frequency = <40000000>;
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+};
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+
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+/* Remove gpio-hog on reset pin; concentratord will control it via UCI */
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+
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+&usb {
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+ dr_mode = "host";
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+ vbus-supply = <&reg_usb_vbus>;
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+ status = "okay";
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+};
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+
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+&usb_phy {
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+ /* Some kernels expect the first reset name to be "phy" instead of "usb-phy" */
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+ reset-names = "phy", "usb-suspend-override";
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+ resets = <&rst 4>, <&rst 3>;
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+ status = "okay";
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+};
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+
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+&spi {
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+ status = "okay";
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+
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+ flash@0 {
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+ compatible = "jedec,spi-nor";
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+ spi-max-frequency = <50000000>;
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+ reg = <0>;
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+
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+ partitions {
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+ compatible = "fixed-partitions";
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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+
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+ uboot: partition@0 {
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+ label = "u-boot";
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+ reg = <0x000000 0x040000>; // 256k
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+ read-only;
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+ };
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+
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+ firmware: partition@40000 {
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+ compatible = "denx,uimage";
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+ label = "firmware";
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+ reg = <0x040000 0xFA0000>; // 16000k
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+ };
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+
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+ config: partition@fe0000 {
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+ label = "config";
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+ reg = <0xFE0000 0x010000>; // 64k
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+ };
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+
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+ art: partition@ff0000 {
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+ label = "art";
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+ reg = <0xFF0000 0x010000>; // 64k
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+ read-only;
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+
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+ nvmem-layout {
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+ compatible = "fixed-layout";
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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+
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+ macaddr_art_0: macaddr@0 {
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+ reg = <0x0 0x6>;
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+ };
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+
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+ macaddr_art_6: macaddr@6 {
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+ reg = <0x6 0x6>;
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+ };
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+
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+ cal_art_1000: calibration@1000 {
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+ reg = <0x1000 0x440>;
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+ };
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+ };
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+ };
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+ };
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+ };
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+};
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+
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+&mdio0 {
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+ status = "okay";
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+};
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+
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+&eth0 {
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+ status = "okay";
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+
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+ nvmem-cells = <&macaddr_art_0>;
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+ nvmem-cell-names = "mac-address";
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+
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+ gmac-config {
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+ device = <&gmac>;
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+ switch-phy-addr-swap = <1>;
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+ switch-phy-swap = <1>;
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+ };
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+};
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+
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+&eth1 {
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+ status = "okay";
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+
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+ nvmem-cells = <&macaddr_art_6>;
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+ nvmem-cell-names = "mac-address";
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+};
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+
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+&wmac {
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+ status = "okay";
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+
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+ nvmem-cells = <&macaddr_art_6>, <&cal_art_1000>;
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+ nvmem-cell-names = "mac-address", "calibration";
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+};
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Index: openwrt/target/linux/ath79/generic/base-files/etc/board.d/01_leds
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===================================================================
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--- openwrt.orig/target/linux/ath79/generic/base-files/etc/board.d/01_leds
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+++ openwrt/target/linux/ath79/generic/base-files/etc/board.d/01_leds
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@@ -6,6 +6,11 @@ board_config_update
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board=$(board_name)
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case "$board" in
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+dragino,lps8n)
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+ ucidef_set_led_wlan "wlan" "WLAN" "red:wlan" "phy0tpt"
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+ ucidef_set_led_netdev "lan" "LAN" "dragino2:red:lan" "eth0"
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+ ucidef_set_led_netdev "wan" "WAN" "dragino2:red:wan" "eth1"
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+ ;;
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8dev,carambola2)
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ucidef_set_led_netdev "lan" "LAN" "orange:eth0" "eth0"
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ucidef_set_led_switch "wan" "WAN" "orange:eth1" "switch0" "0x04"
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Index: openwrt/target/linux/ath79/generic/base-files/etc/board.d/02_network
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===================================================================
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--- openwrt.orig/target/linux/ath79/generic/base-files/etc/board.d/02_network
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+++ openwrt/target/linux/ath79/generic/base-files/etc/board.d/02_network
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@@ -19,6 +19,7 @@ ath79_setup_interfaces()
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araknis,an-500-ap-i-ac|\
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araknis,an-700-ap-i-ac|\
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arduino,yun|\
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+ dragino,lps8n|\
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aruba,ap-105|\
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aruba,ap-175|\
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asus,rp-ac51|\
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Index: openwrt/target/linux/ath79/generic/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
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===================================================================
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--- openwrt.orig/target/linux/ath79/generic/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
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+++ openwrt/target/linux/ath79/generic/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
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@@ -63,6 +63,9 @@ case "$FIRMWARE" in
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base_mac=$(mtd_get_mac_encrypted_deco $(find_mtd_part config))
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ath9k_patch_mac $(macaddr_add $base_mac 1)
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;;
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+ dragino,lps8n)
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+ caldata_extract "art" 0x1000 0x440
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+ ;;
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*)
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caldata_die "board $board is not supported yet"
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;;
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Index: openwrt/target/linux/ath79/image/generic.mk
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===================================================================
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--- openwrt.orig/target/linux/ath79/image/generic.mk
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+++ openwrt/target/linux/ath79/image/generic.mk
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@@ -3414,3 +3414,13 @@ define Device/zyxel_nbg6616
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SUPPORTED_DEVICES += nbg6616
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endef
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TARGET_DEVICES += zyxel_nbg6616
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+
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+define Device/dragino_lps8n
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+ SOC := ar9331
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+ DEVICE_VENDOR := Dragino
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+ DEVICE_MODEL := LPS8N
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+ DEVICE_PACKAGES := kmod-usb-chipidea2 kmod-usb-ledtrig-usbport
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+ IMAGE_SIZE := 16000k
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+ SUPPORTED_DEVICES += dragino2
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+endef
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+TARGET_DEVICES += dragino_lps8n

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