[OpenWrt-Devel] [ramips] Help supporting Xiaomi MiWiFi Mini (.dts file)

[郭传鈜]

Someone have posted a good patch for that device:
http://www.right.com.cn/forum/thread-157588-1-1.html
The dts above works fine.
After applying the patch above,you need to edit the following:
		reset {
			label = "reset";
			gpios = <&gpio1 6 0>;
			linux,code = <0x198>;
		};
change 0x198 to 0x100
and add the mt76 section in
	pcie at 10140000 {
		status = "okay";
	};


BTW ,the mac address is defined here:
	ethernet at 10100000 {
		pinctrl-names = "default";
		pinctrl-0 = <&ephy_pins>;
		mtd-mac-address = <&factory 0x4>;   <----------
		ralink,port-map = "llllw";
	};

2015-01-29 7:29 GMT+08:00, Roger Pueyo Centelles <openwrt at rogerpueyo.com>:
> Hi,
>
> Some days ago I received a Xiaomi MiWiFi Mini and I've managed to run
> OpenWrt on it [1] (i.e. trunk OpenWrt, not the very modified stuff the
> vendor provides). I started with this initial patch [2] and I got the
> firmware running, but a couple of things are missing. I need some help with
> the .dts file (attached). The current status is:
>
> Working: Ethernet, switch, SoC 802.11gbn radio, USB, TTL and sysupgrade
>
> Partially working: MT7612E 802.11ac
>
> Not working: LEDs and button
>
> The problem with the 802.11ac radio is that I can not read the MAC from the
> flash. I always get this message at boot time (with different MACs, of
> course):
>
> [   14.560000] mt76pci 0000:01:00.0: Invalid MAC address, using random
> address 96:a3:a5:fa:a9:2b
>
> So far I've tried this:
>
>         pcie0 {
>             mt76 at 0,0 {
>                 reg = <0x0000 0 0 0 0>;
>                 device_type = "pci";
>                 mediatek,mtd-eeprom = <&factory 0x8000>;
>             };
>         };
>
> and also <&factory 0x0000> but the result is the same. I would say the
> location is correct, because I see three consecutive MAC addresses in the
> factory partition:
>
> 0x0004: 64:09:80:01:66:5D
> 0x0028: 64:09:80:01:66:5C
> 0x8004: 64:09:80:01:66:5E
>
> that correspond respectively to SoC_radio, Ethernet and pcie_radio. The
> question is, what is the way to make the mt76 driver use the MAC address
> written in the flash?
>
> Then, regarding the LEDs, I have tried enabling gpio chips 0, 1, 2 and 3,
> exporting all the gpio numbers, setting the direction to "out" in all of
> them and switching the values between 0, 1 and 255, but I can not control
> any of the three leds (which are always on). The same problem for the reset
> button, I can not find it anywhere. What else should I try?
>
> Thank you very much!
>
> Roger
>
> [1] http://wiki.openwrt.org/toh/xiaomi/mini
> [2]
> https://github.com/rssnsj/openwrt-xiaomi-mini/blob/master/patches/01-xiaomi-mini.patch
>
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