Fix the issue of dts buswidth cannot be applied properly with spi driver.
Fix the name of buswidth to bus-width in dts in order to fit the format
in linux spi kernel[1] so that spi-tx-bus-width & spi-rx-bus-width can be
parsed properly.
[1] Documentation/devicetree/bindings/spi/spi-controller.yaml
Signed-off-by: Chen Minqiang <ptpt52@gmail.com>
Hardware specification:
SoC: MediaTek MT7981B 2x A53
Flash: W25N01GVZEIG 128MB
RAM: NT5CB128M16JR-FL 256MB
Ethernet: 4x 10/100/1000 Mbps
Switch: MediaTek MT7531AE
WiFi: MediaTek MT7976C
Button: Reset, WPS
Power: DC 12V 1A
Flash instructions:
1. PC run command: "telnet 192.168.124.1 99"
Username: H3C, password is the web login
password of the router.
2. Download preloader.bin and bl31-uboot.fip
3. PC run command: "python3 -m http.server 80"
4. Download files in the telnet window:
"wget http://192.168.124.xx/xxx.bin"
Replace xx with your PC's IP and
the preloader.bin and bl31-uboot.fip.
5. Flushing openwrt's uboot:
"mtd write xxx-preloader.bin BL2"
"mtd write xxx-bl31-uboot.fip FIP"
6. Connect to the router via the Lan port,
set a static ip of your PC.
(ip 192.168.1.254, gateway 192.168.1.1)
7. Download initramfs image, reboot router,
waiting for tftp recovery to complete.
8. After openwrt boots up, perform sysupgrade.
Note:
1. The u-boot-env partition on mtd is empty,
OEM stores their env on ubi:u-boot-env.
2. Back up all mtd partitions before flashing.
Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
