Messages in this thread | | | Subject | Re: [PATCH] ARM: dts: omap5-igep0050: Correct hdmi regulator | From | Peter Ujfalusi <> | Date | Fri, 29 Apr 2016 13:22:32 +0300 |
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On 04/29/16 13:21, Peter Ujfalusi wrote: > ldo7_reg should not work as regulator since it is set to 'disabled' state > in the omap5-board-common.dtsi and the state is not changed to 'okay' > this means that the ldo7_reg is not available to be used in the igep0050 > DTS file. > ldo4_reg is used by all other OMAP5 boards and this is most likely the > correct regulator to use with hdmi. > The hdmi needs 1.8V, but the ldo7_reg, based on the dtsi is 2V only. > > Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> > --- > Tony, > > I don't have access to the schematics, but I believe tha the ldo7_reg is not the > correct regulator to be used for hdmi. > > If you have access and it is really ldo7_reg, then we should have this in the > omap5-igep0050.dts file: > > &ldo5_reg {
ldo7_reg, obviously ;)
> status = "okay"; > regulator-min-microvolt = <1800000>; > regulator-max-microvolt = <1800000>; > }; > > Regards, > Peter > > arch/arm/boot/dts/omap5-igep0050.dts | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/omap5-igep0050.dts b/arch/arm/boot/dts/omap5-igep0050.dts > index 46ecb1dd3b5c..6c8d40327c68 100644 > --- a/arch/arm/boot/dts/omap5-igep0050.dts > +++ b/arch/arm/boot/dts/omap5-igep0050.dts > @@ -20,7 +20,7 @@ > }; > > &hdmi { > - vdda-supply = <&ldo7_reg>; > + vdda-supply = <&ldo4_reg>; > }; > > &i2c4 { >
-- Péter
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