Messages in this thread | | | Subject | Re: [RFCv1 1/5] arm64: dts: meson: Add missing 5V_EN gpio signal for VCC5V regulator | From | Neil Armstrong <> | Date | Mon, 7 Oct 2019 16:19:31 +0200 |
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Hi Anand,
On 07/10/2019 15:16, Anand Moon wrote: > As per schematics add missing 5V_EN gpio signal to enable > VCC5V regulator node. > > Fixes: c35f6dc5c377 (arm64: dts: meson: Add minimal support for Odroid-N2) > Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com> > Cc: Jerome Brunet <jbrunet@baylibre.com> > Cc: Neil Armstrong <narmstrong@baylibre.com> > Signed-off-by: Anand Moon <linux.amoon@gmail.com> > --- > arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts > index 42f15405750c..a9a661258886 100644 > --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts > +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts > @@ -94,6 +94,9 @@ > regulator-max-microvolt = <5000000>; > regulator-always-on; > vin-supply = <&main_12v>; > + /* U12 NB679GD 5V_EN */ > + gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>; > + enable-active-high;
This GPIO is handled by the BL301 SCP firmware, I'm personally against adding this to the DT since it's out of control of Linux or any OS.
Neil
> }; > > vcc_1v8: regulator-vcc_1v8 { >
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