[OpenWrt-Devel] [PATCH 4/6] gpio: gemini: rename to match Faraday IP

Jonas Jensen jonas.jensen at gmail.com
Wed Mar 22 06:21:01 EDT 2017


On 22 March 2017 at 09:42, Linus Walleij <linus.walleij at linaro.org> wrote:
> Nice! Have you tested my new GPIO character device tools from
> tools/gpio/* in the kernel tree?

I had not and thanks for pointing that out, lsgpio lists all available
gpios (though most of them are unnamed), and gpio-hammer successfully
toggled buzzer on/off.

uname -a
Linux zurkon 4.11.0-rc1-next-20170310-00004-gc63f3c2 #4466 PREEMPT Wed
Mar 22 11:05:28 CET 2017 armv4l GNU/Linux

./lsgpio
GPIO chip: gpiochip0, "FTGPIO010", 32 GPIO lines
        line  0: unnamed unused [output]
        line  1: unnamed unused [output]
        line  2: unnamed unused [output]
        line  3: unnamed unused [output]
        line  4: unnamed unused
        line  5: unnamed "rtc_sclk" [kernel output]
        line  6: unnamed "rtc_data" [kernel]
        line  7: unnamed "rtc_reset" [kernel output]
        line  8: unnamed unused
        line  9: unnamed unused
        line 10: unnamed unused
        line 11: unnamed unused [output]
        line 12: unnamed unused
        line 13: unnamed unused [output]
        line 14: unnamed unused
        line 15: unnamed unused [output]
        line 16: unnamed unused
        line 17: unnamed unused [output]
        line 18: unnamed unused
        line 19: unnamed unused
        line 20: unnamed unused
        line 21: unnamed unused
        line 22: unnamed unused
        line 23: unnamed unused
        line 24: unnamed unused [output]
        line 25: unnamed unused
        line 26: unnamed unused
        line 27: unnamed "ready-led" [kernel output active-low]
        line 28: unnamed unused
        line 29: unnamed unused
        line 30: unnamed unused
        line 31: unnamed unused [output]

./gpio-hammer -n gpiochip0 -o 24
Hammer lines [24] on gpiochip0, initial states: [0]
[|] [24: 1]

./gpio-hammer -n gpiochip0 -o 27
Failed to issue GET LINEHANDLE IOCTL (-16)


   Jonas
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