1. e37451f pwm: Add DT documentation for SiFive PWM Controller by Yash Shah · Thu Apr 23 16:57:15 2020 +0530
  2. b9e011b doc: dtbinding: add pwm binding file by Kever Yang · Mon Apr 24 10:27:51 2017 +0800
  3. 8b626dc tegra: fdt: Add pwm binding and node by Simon Glass · Wed Oct 17 13:24:47 2012 +0000