Hi Ben, On Friday 12 June 2015 14:23:55 Ben Hutchings wrote: > On Fri, 2015-06-12 at 10:18 +0300, Laurent Pinchart wrote: > > Hi Ben, > > > > (CC'ing Linus Walleij) > > > > Thank you for the patch. > > > > On Wednesday 10 June 2015 00:23:31 Ben Hutchings wrote: > > > All the SHDIs can operate with either 3.3V or 1.8V signals, depending > > > on negotiation with the card. > > > > > > Add separate functions for the 1.8V mode, and implement the set_mux > > > operation on all SDHI functions to configure the voltage for each > > > group of pins. > > > > I don't think duplicating all functions for 1.8V and 3.3V is the right way > > to go. Can't we use the pinconf API instead, and in particular the > > PIN_CONFIG_POWER_SOURCE configuration ? > > [...] > > So far as I could see, you can't use the pinconf API with pinmux groups.
Can't you ? Both Documentation/devicetree/bindings/pinctrl/pinctrl- bindings.txt and Documentation/devicetree/bindings/pinctrl/renesas,pfc- pinctrl.txt document the usage of pinconf with groups (see for instance example 3 in the latter). -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
