From: Chen-Yu Tsai <wens@csie.org>
To: Emmanuel Vadot <manu@freebsd.org>
Cc: Maxime Ripard <mripard@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
devicetree <devicetree@vger.kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] arm64: dts: allwinner: a64: Add gpio bank supply for A64-Olinuxino
Date: Fri, 17 Jan 2020 11:20:21 +0800 [thread overview]
Message-ID: <CAGb2v67U6qjNf0PPMOm191UZDQvJTGZNNREc22ZsDW61KqaUEA@mail.gmail.com> (raw)
In-Reply-To: <20200116194658.78893-1-manu@freebsd.org>
On Fri, Jan 17, 2020 at 3:47 AM Emmanuel Vadot <manu@freebsd.org> wrote:
>
> Add the regulators for each bank on this boards.
>
> Signed-off-by: Emmanuel Vadot <manu@freebsd.org>
> ---
> .../boot/dts/allwinner/sun50i-a64-olinuxino.dts | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
> index 01a9a52edae4..1a25abf6065c 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
> @@ -163,6 +163,17 @@ &ohci1 {
> status = "okay";
> };
>
> +&pio {
> + vcc-pa-supply = <®_dcdc1>;
> + vcc-pb-supply = <®_dcdc1>;
> + vcc-pc-supply = <®_dcdc1>;
> + vcc-pd-supply = <®_dcdc1>;
> + vcc-pe-supply = <®_aldo1>;
> + vcc-pf-supply = <®_dcdc1>;
> + vcc-pg-supply = <®_dldo4>;
> + vcc-ph-supply = <®_dcdc1>;
> +};
> +
> &r_rsb {
> status = "okay";
>
> @@ -175,6 +186,10 @@ axp803: pmic@3a3 {
> };
> };
>
> +&r_pio {
> + vcc-pl-supply = <®_aldo2>;
This is likely going to cause a circular dependency, because the RSB
interface that is used to talk to the PMIC is also on the PL pins.
(How does FreeBSD deal with this?)
Instead, just add a comment describing what is really used, and set
the regulator to always-on, which should already be the case.
ChenYu
> +};
> +
> #include "axp803.dtsi"
>
> &ac_power_supply {
> --
> 2.24.1
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-01-17 3:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-16 19:46 [PATCH] arm64: dts: allwinner: a64: Add gpio bank supply for A64-Olinuxino Emmanuel Vadot
2020-01-17 3:20 ` Chen-Yu Tsai [this message]
2020-01-18 14:27 ` Emmanuel Vadot
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