linux-kernel - Re: [PATCH v3 1/7] ARM: dts: sun8i: r40: bananapi-m2-ultra: Tie GMAC regulators to the PIO

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Message-ID: <20190417101757.traviffiulwnzr6x@flea>
Date:   Wed, 17 Apr 2019 12:17:57 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Pablo Greco <pgreco@...tosproject.org>
Cc:     linux-sunxi@...glegroups.com, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Chen-Yu Tsai <wens@...e.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/7] ARM: dts: sun8i: r40: bananapi-m2-ultra: Tie GMAC
 regulators to the PIO

Hi,

On Wed, Apr 17, 2019 at 06:20:56AM -0300, Pablo Greco wrote:
> When the GMAC support was added to the bananapi-m2-ultra, regulators
> weren't tied to the pinctrl. Fix that.
>
> Signed-off-by: Pablo Greco <pgreco@...tosproject.org>
> ---
>  arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
> index c488aaa..3da3598 100644
> --- a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
> +++ b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
> @@ -201,6 +201,8 @@
>  &pio {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&clk_out_a_pin>;
> +	vcc-pa-supply = <&reg_aldo2>;

You should list all the regulators that are needed for all the pin
banks to operate properly, not just PA

> +	vcc-gmac-phy-supply = <&reg_dc1sw>;

I'm not sure what that is supposed to do?

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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