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From: Anand Moon <linux.amoon@gmail.com>
To: Neil Armstrong <narmstrong@baylibre.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	devicetree <devicetree@vger.kernel.org>,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
	Kevin Hilman <khilman@baylibre.com>,
	Linux Kernel <linux-kernel@vger.kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	linux-amlogic@lists.infradead.org, Will Deacon <will@kernel.org>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
	Jerome Brunet <jbrunet@baylibre.com>
Subject: Re: [RFCv1 1/5] arm64: dts: meson: Add missing 5V_EN gpio signal for VCC5V regulator
Date: Mon, 7 Oct 2019 20:58:47 +0530	[thread overview]
Message-ID: <CANAwSgQi=56RPQK-a7CM2W9dOt3mzDzdtfNABKmpdsYRN8vLwQ@mail.gmail.com> (raw)
In-Reply-To: <c99adf31-42df-c88e-40d4-1dc383c990b1@baylibre.com>

Hi Neil,

On Mon, 7 Oct 2019 at 19:49, Neil Armstrong <narmstrong@baylibre.com> wrote:
>
> 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
>

Thanks for your input.

> >       };
> >
> >       vcc_1v8: regulator-vcc_1v8 {
> >
>

Best Regards
-Anand

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  reply	other threads:[~2019-10-07 15:29 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-07 13:16 [RFCv1 0/5] Odroid N2 failes to boot using upstream kernel & u-boot Anand Moon
2019-10-07 13:16 ` [RFCv1 1/5] arm64: dts: meson: Add missing 5V_EN gpio signal for VCC5V regulator Anand Moon
2019-10-07 14:19   ` Neil Armstrong
2019-10-07 15:28     ` Anand Moon [this message]
2019-10-07 13:16 ` [RFCv1 2/5] arm64: dts: meson: Add missing pwm control gpio signal for pwm-regulator Anand Moon
2019-10-07 14:20   ` Neil Armstrong
2019-10-07 15:30     ` Anand Moon
2019-10-07 13:16 ` [RFCv1 3/5] arm64: dts: meson: Add missing regulator linked to VDDAO_3V3 regulator to FLASH_VDD Anand Moon
2019-10-07 14:20   ` Neil Armstrong
2019-10-07 15:53     ` Anand Moon
2019-10-07 13:16 ` [RFCv1 4/5] arm64: dts: meson: Add missing regulator linked to VCCV5 regulator to VDDIO_C/TF_IO Anand Moon
2019-10-07 14:21   ` Neil Armstrong
2019-10-07 15:54     ` Anand Moon
2019-10-07 13:16 ` [RFCv1 5/5] arm64/ARM: configs: Change CONFIG_PWM_MESON from m to y Anand Moon
2019-10-07 14:25   ` Neil Armstrong
2019-10-07 15:52     ` Anand Moon
2019-10-07 20:10   ` Martin Blumenstingl
2019-10-07 22:57     ` Kevin Hilman
2019-10-08 14:38       ` Anand Moon
2019-10-08 17:40         ` Martin Blumenstingl
2019-10-09  8:48           ` Anand Moon
2019-10-09 12:04             ` Jerome Brunet
2019-10-18 14:04               ` Anand Moon
2019-10-18 14:13                 ` Neil Armstrong
2019-10-18 15:21                   ` Anand Moon
2019-10-18 18:10                 ` Martin Blumenstingl
2019-10-21 14:11                   ` Anand Moon
2019-10-21 14:25                     ` Neil Armstrong
2019-10-21 15:41                       ` Anand Moon
2019-10-26 18:56                         ` Anand Moon
2019-10-24 20:20                     ` Martin Blumenstingl
2019-10-09 17:05             ` Martin Blumenstingl
2019-10-08  7:19     ` Anand Moon

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