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rak7391: Add support for RAK7391 gateway.
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‎conf/rak_rak7267/.config‎

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‎conf/rak_rak7267/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/rak_rak7267/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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GWID_END=""
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ip link show eth0
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if [ $? -eq 0 ]; then
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GWID_END=$(ip link show eth0 | awk '/ether/ {print $2}' | awk -F\: '{print $4$5$6}')
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else
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GWID_END=$(ip link show wlan0 | awk '/ether/ {print $2}' | awk -F\: '{print $4$5$6}')
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fi
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uci -q batch << EOI
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set dhcp.wwan=dhcp
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set dhcp.wwan.interface='wwan'
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set dhcp.wwan.start='100'
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set dhcp.wwan.limit='150'
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set dhcp.wwan.leasetime='12h'
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commit dhcp
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set network.wwan=interface
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set network.wwan.proto='static'
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set network.wwan.ipaddr='192.168.0.1'
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set network.wwan.netmask='255.255.255.0'
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commit network
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delete wireless.radio0.disabled
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set wireless.default_radio0=wifi-iface
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set wireless.default_radio0.device='radio0'
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set wireless.default_radio0.network='wwan'
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set wireless.default_radio0.mode='ap'
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set wireless.default_radio0.ssid="ChirpStackAP-${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
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service network restart

‎conf/rak_rak7267/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
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service network restart

‎conf/rak_rak7267/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/rak_rak7267/files/etc/uci-defaults/90_leds‎

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uci -q batch << EOI
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set system.led_wifi_led.sysfs='mediatek:orange:wifi'
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set system.led_wifi_led.dev='phy0-sta0'
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set system.led_wifi_led.mode='link'
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set system.led_eth_led.sysfs='rak:green:eth'
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set system.led_eth_led.trigger='netdev'
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set system.led_eth_led.dev='eth0.1'
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delete system.led_eth_led.mode
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add_list system.led_eth_led.mode='link'
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add_list system.led_eth_led.mode='tx'
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add_list system.led_eth_led.mode='rx'
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EOI
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uci commit system
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service led restart

‎conf/rak_rak7267/files/etc/uci-defaults/90_set_hostname‎

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GWID_END=""
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ip link show eth0
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if [ $? -eq 0 ]; then
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GWID_END=$(ip link show eth0 | awk '/ether/ {print $2}' | awk -F\: '{print $4$5$6}')
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else
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GWID_END=$(ip link show wlan0 | awk '/ether/ {print $2}' | awk -F\: '{print $4$5$6}')
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fi
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uci set system.@system[0].hostname="chirpstack-${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/rak_rak7267/patches/console-login.diff‎

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Index: openwrt/target/linux/ramips/base-files/etc/inittab
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===================================================================
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--- openwrt.orig/target/linux/ramips/base-files/etc/inittab
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+++ openwrt/target/linux/ramips/base-files/etc/inittab
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@@ -1,3 +1,3 @@
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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:/usr/libexec/login.sh
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+::askconsole:/bin/login

‎conf/rak_rak7267/patches/kernel_spidev.patch‎

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Index: openwrt/target/linux/ramips/patches-5.15/950-0578-spi-spidev-Restore-loading-from-Device-Tree.patch
2+
===================================================================
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--- /dev/null
4+
+++ openwrt/target/linux/ramips/patches-5.15/950-0578-spi-spidev-Restore-loading-from-Device-Tree.patch
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@@ -0,0 +1,25 @@
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+From 98ffb29a71923d14a79b3b8ef4d2540e6c6a6363 Mon Sep 17 00:00:00 2001
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+From: Phil Elwell <[email protected]>
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+Date: Mon, 29 Nov 2021 12:14:49 +0000
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+Subject: [PATCH] spi: spidev: Restore loading from Device Tree
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+
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+As happens occasionally, an upstream change has once again prevented
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+spidev from being loaded via Device Tree. We now need "spidev" to be
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+included in the new spi_device_id list, otherwise although the
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+spidev driver gets loaded no /dev/spidev*.* entries will appear.
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+
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+Signed-off-by: Phil Elwell <[email protected]>
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+---
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+ drivers/spi/spidev.c | 1 +
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+ 1 file changed, 1 insertion(+)
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+
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+--- a/drivers/spi/spidev.c
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++++ b/drivers/spi/spidev.c
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+@@ -678,6 +678,7 @@ static const struct file_operations spid
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+ static struct class *spidev_class;
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+
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+ static const struct spi_device_id spidev_spi_ids[] = {
27+
++ { .name = "spidev" },
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+ { .name = "dh2228fv" },
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+ { .name = "ltc2488" },
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+ { .name = "sx1301" },

‎conf/rak_rak7267/patches/rak636_device.patch‎

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Index: openwrt/target/linux/ramips/dts/mt7628an_rakwireless_rak636.dts
2+
===================================================================
3+
--- /dev/null
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+++ openwrt/target/linux/ramips/dts/mt7628an_rakwireless_rak636.dts
5+
@@ -0,0 +1,175 @@
6+
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
7+
+
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+#include "mt7628an.dtsi"
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+
10+
+#include <dt-bindings/gpio/gpio.h>
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+#include <dt-bindings/input/input.h>
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+
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+/ {
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+ compatible = "rakwireless,rak636", "mediatek,mt7628an-soc";
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+ model = "Rakwireless RAK636";
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+
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+ leds {
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+ compatible = "gpio-leds";
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+ lora {
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+ label = "rak:green:lora";
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+ gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
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+ };
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+ ethernet {
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+ label = "rak:green:eth";
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+ gpios = <&gpio 43 GPIO_ACTIVE_LOW>;
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+ };
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+ lora1 {
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+ label = "rak:green:lora1";
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+ gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
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+ };
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+
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+ wifi {
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+ label = "mediatek:orange:wifi";
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+ gpios = <&gpio 44 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-polled";
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+
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ poll-interval = <20>;
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+
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+ reset {
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+ label = "reset";
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+ gpios = <&gpio 38 1>;
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+ linux,code = <0x198>;
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+ };
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+
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+ dying-gasp {
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+ label = "dying-gasp";
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+ gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
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+ linux,code = <BTN_7>;
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+ };
56+
+ };
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+};
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+
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+&state_default {
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+ i2s {
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+ groups = "i2s";
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+ function = "gpio";
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+ };
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+ spis {
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+ groups = "spis";
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+ function = "gpio";
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+ };
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+ p0led_an {
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+ groups = "p0led_an";
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+ function = "gpio";
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+ };
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+ p1led_an {
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+ groups = "p1led_an";
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+ function = "gpio";
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+ };
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+ p2led_an {
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+ groups = "p2led_an";
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+ function = "gpio";
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+ };
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+ p3led_an {
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+ groups = "p3led_an";
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+ function = "gpio";
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+ };
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+ p4led_an {
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+ groups = "p4led_an";
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+ function = "gpio";
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+ };
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+ wled_an {
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+ groups = "wled_an";
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+ function = "gpio";
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+ };
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+};
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+
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+&spi0 {
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+ status = "okay";
96+
+
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+ pinctrl-names = "default";
98+
+ pinctrl-0 = <&spi_pins>, <&spi_cs1_pins>;
99+
+
100+
+ flash@0 {
101+
+ compatible = "jedec,spi-nor";
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+ reg = <0>;
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+ spi-max-frequency = <10000000>;
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+
105+
+ partitions {
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+ compatible = "fixed-partitions";
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+ #address-cells = <1>;
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+ #size-cells = <1>;
109+
+
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+ partition@0 {
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+ label = "u-boot";
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+ reg = <0x0 0x30000>;
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+ read-only;
114+
+ };
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+
116+
+ partition@30000 {
117+
+ label = "u-boot-env";
118+
+ reg = <0x30000 0x10000>;
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+ read-only;
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+ };
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+
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+ factory: partition@40000 {
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+ label = "factory";
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+ reg = <0x40000 0xe000>;
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+ };
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+
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+ partition@4e000 {
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+ label = "pst-data"; /* persistent data */
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+ reg = <0x4e000 0x2000>;
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+ };
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+
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+ partition@50000 {
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+ compatible = "denx,uimage";
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+ label = "firmware";
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+ reg = <0x50000 0x1fb0000>; /* support 32MB norflash */
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+ };
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+ };
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+ };
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+
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+ spidev@1 {
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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+ compatible = "spidev";
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+ reg = <1>;
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+ spi-max-frequency = <40000000>;
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+ };
147+
+};
148+
+
149+
+&i2c {
150+
+ status = "okay";
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+};
152+
+
153+
+&i2s {
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+ status = "disabled";
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+};
156+
+
157+
+&uart1 {
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+ status = "okay";
159+
+};
160+
+
161+
+&uart2 {
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+ status = "okay";
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+};
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+
165+
+&gdma {
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+ status = "okay";
167+
+};
168+
+
169+
+&ethernet {
170+
+ mtd-mac-address = <&factory 0x4>;
171+
+};
172+
+
173+
+&sdhci {
174+
+ status = "okay";
175+
+ mediatek,cd-poll;
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+};
177+
+
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+&wmac {
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+ status = "okay";
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+};
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Index: openwrt/target/linux/ramips/image/mt76x8.mk
182+
===================================================================
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--- openwrt.orig/target/linux/ramips/image/mt76x8.mk
184+
+++ openwrt/target/linux/ramips/image/mt76x8.mk
185+
@@ -489,6 +489,14 @@ define Device/rakwireless_rak633
186+
endef
187+
TARGET_DEVICES += rakwireless_rak633
188+
189+
+define Device/rakwireless_rak636
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+ IMAGE_SIZE := 32448k
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+ DEVICE_VENDOR := Rakwireless
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+ DEVICE_MODEL := RAK636
193+
+ DEVICE_PACKAGES := kmod-usb2 kmod-usb-ohci uboot-envtools kmod-sdhci-mt7620
194+
+endef
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+TARGET_DEVICES += rakwireless_rak636
196+
+
197+
define Device/ravpower_rp-wd009
198+
IMAGE_SIZE := 14272k
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DEVICE_VENDOR := RAVPower
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Index: openwrt/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
201+
===================================================================
202+
--- openwrt.orig/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
203+
+++ openwrt/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
204+
@@ -65,6 +65,10 @@ oraybox,x1)
205+
rakwireless,rak633)
206+
ucidef_set_led_netdev "wifi_led" "wifi" "blue:wifi" "wlan0"
207+
;;
208+
+rakwireless,rak636)
209+
+ ucidef_set_led_netdev "wifi_led" "wifi" "mediatek:orange:wifi" "ra0" "tx"
210+
+ ucidef_set_led_switch "eth_led" "eth" "rak:green:eth" "switch0" "0x1"
211+
+ ;;
212+
tama,w06)
213+
ucidef_set_led_netdev "wan" "WAN" "green:wan" "eth0"
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ucidef_set_led_wlan "wlan" "WLAN" "green:wlan" "phy0tpt"
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Index: openwrt/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
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===================================================================
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--- openwrt.orig/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
218+
+++ openwrt/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
219+
@@ -145,7 +145,8 @@ ramips_setup_interfaces()
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ucidef_add_switch "switch0" \
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"3:lan" "6@eth0"
222+
;;
223+
- rakwireless,rak633)
224+
+ rakwireless,rak633|\
225+
+ rakwireless,rak636)
226+
ucidef_add_switch "switch0" \
227+
"0:wan" "1:lan" "2:lan" "3:lan" "4:lan" "6t@eth0"
228+
;;
229+
@@ -260,6 +261,9 @@ ramips_setup_macs()
230+
zyxel,keenetic-extra-ii)
231+
wan_mac=$(mtd_get_mac_binary rf-eeprom 0x28)
232+
;;
233+
+ rakwireless,rak636)
234+
+ wan_mac=$(mtd_get_mac_binary factory 0x4)
235+
+ ;;
236+
linksys,e5400)
237+
wan_mac=$(mtd_get_mac_binary factory 0x22)
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;;

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