Orin NX no PWM output on PWM1

[akhil.veeraghanta]

The pinmux has the PWM enabled as an output, the device tree has the peripheral enabled, but there is no output on the PWM pin.

28 (soc_gpio39_pn1):
        pull=0
        tristate=0
        enable-input=0
        open-drain=0
        io-reset=0
        rcv-sel=0
        io-hv=0
        loopback=0
        schmitt=0
        pull-down-strength=0
        pull-up-strength=0
        drive-type=0
        func=gp
--

We are using the 8gb Orin NX on JP 5.1.1
here is /sys/kernel/debug/pwm

platform/39c0000.tachometer, 1 PWM device
 pwm-0   ((null)              ): period: 0 ns duty: 0 ns polarity: normal

platform/32c0000.pwm, 1 PWM device
 pwm-0   ((null)              ): period: 0 ns duty: 0 ns polarity: normal

platform/32a0000.pwm, 1 PWM device
 pwm-0   (pwm-fan             ): requested enabled period: 45334 ns duty: 45333 ns polarity: normal

platform/3280000.pwm, 1 PWM device
 pwm-0   (sysfs               ): requested enabled period: 1000 ns duty: 500 ns polarity: normal

It doesn’t work on the devkit carrier board, let alone our custom carrier

[KevinFFF]

Hi akhil.veeraghanta,

@akhil.veeraghanta

It doesn’t work on the devkit carrier board, let alone our custom carrier

Are you using Orin Nano devkit(p3768) for Orin NX?

Please also help to provide the full dmesg for further check.

[akhil.veeraghanta]

It ended up being the Req Initial State

setting it to high impedance broke it, when we set it to N/A the output came through

thanks!