[PATCH v4] ath79: add support for onion omega

2021-08-23 Thread Jan-Niklas Burfeind
The Onion Omega is a hardware development platform with built-in WiFi.

https://onioniot.github.io/wiki/

Specifications:
 - QCA9331 @ 400 MHz (MIPS 24Kc Big-Endian Processor)
 - 64MB of DDR2 RAM running at 400 MHz
 - 16MB of on-board flash storage
 - Support for USB 2.0
 - Support for Ethernet at 100 Mbps
 - 802.11b/g/n WiFi at 150 Mbps
 - 18 digital GPIOs
 - A single Serial UART
 - Support for SPI
 - Support for I2S

Flash instructions:
The device is running OpenWrt upon release using the ar71xx target.
Both a sysupgrade
and uploading the factory image using u-boots web-UI do work fine.

Depending on the ssh client, it might be necessary to enable outdated
KeyExchange methods e.g. in the clients ssh-config:

Host 192.168.1.1
KexAlgorithms +diffie-hellman-group1-sha1

The stock credentials are: root onioneer

For u-boots web-UI manually configure `192.168.1.2/24` on your computer,
connect to `192.168.1.1`.

MAC addresses as verified by OEM firmware:
2G   phy0  label
LAN  eth0  label - 1

LAN is only available in combination with an optional expansion dock.

Based on vendor acked commit:
commit 5cd49bb067ca ("ar71xx: add support for Onion Omega")

Partly reverts:
commit fc553c7e4c8e ("ath79: drop unused/incomplete dts")

Signed-off-by: Jan-Niklas Burfeind 
---

I adressed Adrians comments on v3 and built and deployed the image.
Everything seems to work as well as before.

Thanks!
Aiyion

 target/linux/ath79/dts/ar9331_onion_omega.dts | 137 ++
 .../generic/base-files/etc/board.d/02_network |   1 +
 target/linux/ath79/image/generic.mk   |  13 ++
 3 files changed, 151 insertions(+)
 create mode 100644 target/linux/ath79/dts/ar9331_onion_omega.dts

diff --git a/target/linux/ath79/dts/ar9331_onion_omega.dts 
b/target/linux/ath79/dts/ar9331_onion_omega.dts
new file mode 100644
index 00..09e4234194
--- /dev/null
+++ b/target/linux/ath79/dts/ar9331_onion_omega.dts
@@ -0,0 +1,137 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "ar9331.dtsi"
+
+#include 
+#include 
+
+/ {
+   model = "Onion Omega";
+   compatible = "onion,omega", "qca,ar9331";
+
+   aliases {
+   serial0 = 
+   label-mac-device = 
+   led-boot = _system;
+   led-failsafe = _system;
+   led-running = _system;
+   led-upgrade = _system;
+   };
+
+   leds {
+   compatible = "gpio-leds";
+
+   led_system: system {
+   label = "amber:system";
+   gpios = < 27 GPIO_ACTIVE_LOW>;
+   };
+   };
+
+   keys {
+   compatible = "gpio-keys";
+
+   reset {
+   label = "reset";
+   linux,code = ;
+   gpios = < 11 GPIO_ACTIVE_HIGH>;
+   debounce-interval = <60>;
+   };
+   };
+
+   reg_usb_vbus: reg_usb_vbus {
+   compatible = "regulator-fixed";
+   regulator-name = "usb_vbus";
+   regulator-min-microvolt = <500>;
+   regulator-max-microvolt = <500>;
+   gpio = < 8 GPIO_ACTIVE_HIGH>;
+   enable-active-high;
+   };
+};
+
+ {
+   clock-frequency = <2500>;
+};
+
+ {
+   status = "okay";
+
+   vbus-supply = <_usb_vbus>;
+   dr_mode = "host";
+};
+
+_phy {
+   status = "okay";
+};
+
+ {
+   status = "okay";
+
+   compatible = "syscon", "simple-mfd";
+};
+
+ {
+   status = "okay";
+
+   nvmem-cells = <_uboot_1fc00>;
+   nvmem-cell-names = "mac-address";
+   mac-address-increment = <(-1)>;
+
+   gmac-config {
+   device = <>;
+   switch-phy-addr-swap = <4>;
+   switch-phy-swap = <4>;
+   };
+};
+
+ {
+   status = "okay";
+
+   flash@0 {
+   compatible = "jedec,spi-nor";
+   spi-max-frequency = <2500>;
+   reg = <0>;
+
+   partitions {
+   compatible = "fixed-partitions";
+   #address-cells = <1>;
+   #size-cells = <1>;
+
+   uboot: partition@0 {
+   label = "u-boot";
+   reg = <0x00 0x02>;
+   read-only;
+   };
+
+   partition@2 {
+   compatible = "tplink,firmware";
+   label = "firmware";
+   reg = <0x02 0xfd>;
+   };
+
+   art: partition@ff {
+   label = "art";
+   reg = <0xff 0x01>;
+   read-only;
+   };
+   };
+   };
+};
+
+ {
+   status = "okay";
+
+   mtd-cal-data = < 0x1000>;
+
+   

Re: [PATCH v4] ath79: add support for onion omega

2021-08-23 Thread Jan-Niklas Burfeind
On 8/22/21 2:18 PM, Adrian Schmutzler wrote:
> It's common practice at the moment to put a separate block for defining the 
> MAC addresses at the end of the file.
> Please do so, just look at any other DTS file in recent master.

I was under the impression that the separate block was part of a scripts
output and not intended in the first place.
Is there any documentation on this matter, that I can read up on?

Thanks
Aiyion


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