linux-kernel - Re: [PATCH] arm64: dts: renesas: ulcb-kf: add 9-asix sensor device

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Message-ID: <CAMuHMdVidg7fQkq2gFE+cvxkvBOXYRRvj-yCGmsJfjANBny=4w@mail.gmail.com>
Date:   Wed, 26 Jan 2022 16:04:53 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Nikita Yushchenko <nikita.yoush@...entembedded.com>
Cc:     Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm64: dts: renesas: ulcb-kf: add 9-asix sensor device

Hi Nikita,

On Wed, Jan 12, 2022 at 9:52 PM Nikita Yushchenko
<nikita.yoush@...entembedded.com> wrote:
> This adds nodes for lsm9ds0 sensor installed on the KF board.
>
> With this patch, the sensor data becomes available over iio sysfs
> interface.
>
> Interrupt definition is not added yet, because the interrupt lines of
> lsm9ds0 are pulled to VCC on the board, which implies need for
> active-low configuration. But st_sensors drivers currently can't work
> with active-low interrupts on this chip.
>
> Signed-off-by: Nikita Yushchenko <nikita.yoush@...entembedded.com>

Forgot something...

> --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> @@ -66,6 +66,13 @@ hdmi_3v3: regulator-hdmi-3v3 {
>                 regulator-max-microvolt = <3300000>;
>         };
>
> +       accel_3v3: regulator-acc-3v3 {

Please move up, to preserve sort order.

> +               compatible = "regulator-fixed";
> +               regulator-name = "accel-3v3";
> +               regulator-min-microvolt = <3300000>;
> +               regulator-max-microvolt = <3300000>;
> +       };
> +
>         hdmi1-out {
>                 compatible = "hdmi-connector";
>                 type = "a";
> @@ -208,6 +215,22 @@ pcm3168a_endpoint_c: endpoint {
>                                         };
>                                 };
>                         };
> +
> +                       lsm9ds0_acc_mag@1d {

Please move up, to preserve sort order.

> +                               compatible = "st,lsm9ds0-imu";
> +                               reg = <0x1d>;
> +
> +                               vdd-supply = <&accel_3v3>;
> +                               vddio-supply = <&accel_3v3>;
> +                       };

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds