This should be simple.
I am building a ucLinux system using kmenuconfig. My hardware supports two SPI devices, one of which is already committed to flash memory.
I have built a kernel with SPI enabled, and booted it, and run 'busybox mdev -s', and rebooted, and it finds a SPI device:
spi_m2s spi_m2s.0: registered master spi0
spi spi0.0: setup mode 3, 8 bits/w, 41500000 Hz max --> 0
m25p80 spi0.0: s25fl129p1 (16384 Kbytes)
Creating 3 MTD partitions on "s25fl129p1":
0x000000000000-0x000000010000 : "spi_flash_uboot_env"
0x000000010000-0x000000410000 : "spi_flash_linux_image"
0x000000410000-0x000001000000 : "spi_flash_jffs2"
spi_m2s spi_m2s.0: registered child spi0.0
spi_m2s spi_m2s.0: SPI Controller 0 at 40001000,clk=83000000
I have a SPI-looking device in /sys/devices/platform:
~ # ls -la /sys/devices/platform/
drwxr-xr-x 9 root root 0 Jan 1 00:07 .
drwxr-xr-x 5 root root 0 Jan 1 00:07 ..
drwxr-xr-x 6 root root 0 Jan 1 00:07 m2s_eth.0
drwxr-xr-x 3 root root 0 Jan 1 00:07 musb_hdrc
drwxr-xr-x 2 root root 0 Jan 1 00:07 nop_usb_xceiv
drwxr-xr-x 2 root root 0 Jan 1 00:07 serial8250
drwxr-xr-x 3 root root 0 Jan 1 00:07 serial8250.0
drwxr-xr-x 3 root root 0 Jan 1 00:07 serial8250.1
drwxr-xr-x 4 root root 0 Jan 1 00:07 spi_m2s.0
-rw-r--r-- 1 root root 4096 Jan 1 00:07 uevent
What I *want* are:
/dev/spi0
/dev/spi1
Or suchlike.
How do I get them?
Enquiring minds want to know.
Eric
--
cc:NSA
_______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
