linux-kernel - Re: [linux-sunxi] [PATCH 4/7] ARM: dts: sun8i: a83t: Add UART2 PB pins

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Message-ID: <CAGb2v67V+tq8+Jn-moKJs4npM9KuQJjh8G2BQ+5-mc9qXd6zOQ@mail.gmail.com>
Date:   Thu, 28 Mar 2019 16:01:55 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Ondřej Jirman <megous@...ous.com>
Cc:     Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Rob Herring <robh@...nel.org>, johan@...nel.org,
        Mark Rutland <mark.rutland@....com>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [linux-sunxi] [PATCH 4/7] ARM: dts: sun8i: a83t: Add UART2 PB pins

On Wed, Mar 27, 2019 at 8:18 AM megous via linux-sunxi
<linux-sunxi@...glegroups.com> wrote:
>
> From: Ondrej Jirman <megous@...ous.com>
>
> Add pin definitions for UART2 PB pins. These are used on TBS-A711
> tablet.
>
> Signed-off-by: Ondrej Jirman <megous@...ous.com>
> ---
>  arch/arm/boot/dts/sun8i-a83t.dtsi | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
> index e5c39eef1c29..921cfb30ab46 100644
> --- a/arch/arm/boot/dts/sun8i-a83t.dtsi
> +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
> @@ -768,6 +768,11 @@
>                                 pins = "PG8", "PG9";
>                                 function = "uart1";
>                         };
> +

Please add "/omit-if-no-ref/" before the pin definitions.

See

https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git/commit/?h=sunxi/dt-for-5.2&id=73b670023327a014688c2d5309a43604cd553f1e

for such an example. This is a new policy.

ChenYu


> +                       uart2_pb_pins: uart2-pb-pins {
> +                               pins = "PB0", "PB1";
> +                               function = "uart2";
> +                       };
>                 };
>
>                 timer@...0c00 {
> --
> 2.21.0
>
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