* Matthijs van Duin <matthijsvand...@gmail.com> [151201 17:23]: > On 2 December 2015 at 01:46, Tony Lindgren <t...@atomide.com> wrote: > > We should probably have separate PIN_INPUT_3V3 and PIN_OUTPUT_3V3 > > dts macros that ensure that? > > I'm in general no fan of such macros: it feels really awkward to have > to make that distinction in dts when doing pin config. > > Note that if you're feeling really enthausiastic about putting in > effort to allow inputs to be disabled while staying clear of the > erratum, I think you can detect at runtime which I/O supplies are 3.3V > by inspecting this register: > > #define CTRL_CQDETECT_STATUS 0x48140e00
OK and if really needed needed the SoC revision information can be passed to pinctrl-singl.c in it's platform_data that we already have in addition to the dts configuration. And then pinctrl-single.c could modify the mask based on IO voltage and SoC revision. I think we're already covered as the boards can override the pinctrl function-mask in the board specific dts file if really needed :) Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
