On Sun, Sep 07, 2025 at 06:10:53PM +0200, Marek Vasut wrote: > Add DT overlay to bind Argon40 fan HAT, on Retronix R-Car V4H > Sparrow Hawk board. Fan RPM control and full RPM on reboot has > been tested. > > Tested-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxxxx> Reviewed-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> > + * # Localize hwmon sysfs directory that matches the PWM fan, > + * # enable the PWM fan, and configure the fan speed manually. > + * r8a779g3-sparrow-hawk$ ls -1 /sys/devices/platform/pwm-fan-ext/hwmon/hwmon?/pwm?_enable > + * /sys/devices/platform/pwm-fan-ext/hwmon/hwmon0/pwm1_enable Great solution!
