Check pinmux
cat /sys/kernel/debug/pwm
and post it here.
Also
cat /sys/kernel/debug/pinctrl/44e10800.pinmux/pins
and post it here.
On Tue, Apr 1, 2014 at 8:07 PM, Sungjin Chun chu...@castlesoft.co.krwrote:
Thank you for your help.
pwmchip0 and pwmchip1 2 files are there.
Weird thing is
Thanks, first cat /sys/kernel/debug/pwm
--
platform/48304100.ecap, 1 PWM device
pwm-0 ((null) ):
platform/48304200.ehrpwm, 2 PWM devices
pwm-0 ((null) ):
pwm-1 (PWM_P8_13 ): requested enabled
platform/48302200.ehrpwm, 2 PWM devices
Ah, I'm using 3.8.13 kernel on BeagleBone Black
On Tuesday, April 1, 2014 6:07:50 PM UTC+9, Sungjin Chun wrote:
echo am33x-pwm ...slots
echo pwm-test-P9_14 ...slots
(yes, I'm not rewrite those file names correctly here)
Above does not make PWM work for P9_14 pin. Though there are
what are the contents of /sys/class/pwm
On Tue, Apr 1, 2014 at 4:25 AM, Sungjin Chun chu...@gmail.com wrote:
Ah, I'm using 3.8.13 kernel on BeagleBone Black
On Tuesday, April 1, 2014 6:07:50 PM UTC+9, Sungjin Chun wrote:
echo am33x-pwm ...slots
echo pwm-test-P9_14 ...slots
(yes, I'm
Thank you for your help.
pwmchip0 and pwmchip1 2 files are there.
Weird thing is that after echo pwm-test-P9.. and echo pwm-test-P8...,
though there are pwm-test-P9_14 and
pwm-test-P8_13, and contents of the directores are same, only P8_13 does
show result in oscilloscope but
P9_14 does not
