Hello Michael,
> Hi Marek, Peter,
>
> On Sat, Aug 25, 2012 at 01:51:38AM +0200, Marek Vasut wrote:
> > Add the pinmux settings for USB PHY overcurrent pins.
> >
> > Signed-off-by: Marek Vasut <marex@xxxxxxx>
> > Cc: Chris Ball <cjb@xxxxxxxxxx>
> > Cc: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx>
> > Cc: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> > Cc: Shawn Guo <shawn.guo@xxxxxxxxxx>
> > ---
> >
> > arch/arm/boot/dts/imx28.dtsi | 30 ++++++++++++++++++++++++++++++
> > 1 file changed, 30 insertions(+)
> >
> > V2: This is pulled from the M28EVK and SPS1 board files, put it into
> > common
> >
> > file.
> >
> > diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi
> > index b996c2d..3cba62d 100644
> > --- a/arch/arm/boot/dts/imx28.dtsi
> > +++ b/arch/arm/boot/dts/imx28.dtsi
> > @@ -520,6 +520,36 @@
> >
> > fsl,voltage = <1>;
> > fsl,pull-up = <1>;
> >
> > };
> >
> > +
> > + usbphy0_pins_a: usbphy0@0 {
> > + reg = <0>;
> > + fsl,pinmux-ids = <
> > + 0x2152 /*
MX28_PAD_SSP2_SS2__USB0_OVERCURRENT */
> > + >;
> > + fsl,drive-strength = <2>;
> > + fsl,voltage = <1>;
> > + fsl,pull-up = <0>;
> > + };
> > +
> > + usbphy0_pins_b: usbphy0@1 {
> > + reg = <0>;
> > + fsl,pinmux-ids = <
> > + 0x3061 /*
MX28_PAD_AUART1_CTS__USB0_OVERCURRENT */
> > + >;
> > + fsl,drive-strength = <2>;
> > + fsl,voltage = <1>;
> > + fsl,pull-up = <0>;
> > + };
> > +
> > + usbphy1_pins_a: usbphy1@0 {
> > + reg = <0>;
> > + fsl,pinmux-ids = <
> > + 0x2142 /*
MX28_PAD_SSP2_SS1__USB1_OVERCURRENT */
> > + >;
> > + fsl,drive-strength = <2>;
> > + fsl,voltage = <1>;
> > + fsl,pull-up = <0>;
> > + };
> >
> > };
> >
> > digctl@8001c000 {
>
> @Marek: Did you test the overcurrent functionality with the MX28 and this
> pinmux?
>
> I currently can not trigger any overcurrent events and also don't
> see changes in the PORTSC register after pulling the OC pin to 3V3.
Sorry for the late reply, I see Peter already replied. Do you see the changes if
you configure the pin as a GPIO at least ?
Best regards,
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