Hi Maxime, thanks for looking into this and for the Acks! On 07/03/18 07:45, Maxime Ripard wrote: > On Wed, Mar 07, 2018 at 02:07:17AM +0000, Andre Przywara wrote: >> While the PWM IP in the Allwinner H6 SoC is fully compatible to those >> used in older SoCs (H3, A64), it features a dedicated reset line which >> needs to be de-asserted. >> Add support for an optional "resets" DT property in our pwm-sun4i probe >> routine, and assert and de-assert the reset line, where needed. >> This allows to enable PWM support on the H6. > > This isn't optional then. It's mandatory on the H6, and unneeded on > everything else. This is what we should have. So are you aiming at: if (of_device_is_compatible(np, "allwinner,sun50i-h6-pwm")) { ... devm_reset_control_get() ... I guess this is preferable over coding something based on a new member in struct sun4i_pwm_data? Cheers, Andre. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html