linux-kernel - Re: [PATCH v2 06/11] arm64: dts: meson-g12a-x96-max: add regulators

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Message-ID: <CAFBinCCSKh145--5EAPQyJjbuefRgWm57G+05so28-WiZjqNYg@mail.gmail.com>
Date:   Mon, 18 Mar 2019 21:13:17 +0100
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     Neil Armstrong <narmstrong@...libre.com>
Cc:     khilman@...libre.com, linux-amlogic@...ts.infradead.org,
        Guillaume La Roque <glaroque@...libre.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 06/11] arm64: dts: meson-g12a-x96-max: add regulators

Hi Neil,

On Mon, Mar 18, 2019 at 11:06 AM Neil Armstrong <narmstrong@...libre.com> wrote:
>
> From: Guillaume La Roque <glaroque@...libre.com>
>
> Add system regulators for the X96 Max Set-Top-Box.
>
> Still missing
> * VDD_EE (0.8V - PWM controlled)
> * VDD_CPU (PWM controlled)
>
> Signed-off-by: Guillaume La Roque <glaroque@...libre.com>
> Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
> ---
>  .../boot/dts/amlogic/meson-g12a-x96-max.dts   | 67 +++++++++++++++++++
>  1 file changed, 67 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts
> index 0edbd00b358f..5c37930b09e2 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts
[...]
> +       vcc_5v: regulator-vcc_5v {
> +               compatible = "regulator-fixed";
> +               regulator-name = "VCC_5V";
> +               regulator-min-microvolt = <5000000>;
> +               regulator-max-microvolt = <5000000>;
> +               vin-supply = <&dc_in>;
> +
> +               gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
> +               enable-active-high;
is there any way to test whether this GPIO is the right one?
I couldn't find a reference to a GPIOH_8 regulator in
buildroot_openlinux_kernel_4.9_fbdev_20180706


Regards
Martin