linux-kernel - Re: [PATCH 2/4] ARM: dts: mstar: Add the Wireless Tag IDO-SBC2D06-V1B-22W

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Message-ID: <CABgxDoLBbD8P-PhRH+SmuuQ8jNR53Ti=8brFL3NXMmiotXU5ww@mail.gmail.com>
Date:   Sat, 11 Sep 2021 14:19:53 +0200
From:   Romain Perier <romain.perier@...il.com>
To:     Daniel Palmer <daniel@...f.com>
Cc:     Rob Herring <robh+dt@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Olof Johansson <olof@...om.net>, SoC Team <soc@...nel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        DTML <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/4] ARM: dts: mstar: Add the Wireless Tag IDO-SBC2D06-V1B-22W

Hi Daniel,

Ack, I will fix it (remove "common" from the file name and the unneeded space)

Thanks,
Romain

Le sam. 11 sept. 2021 à 05:18, Daniel Palmer <daniel@...f.com> a écrit :
>
> Hi Romain,
>
> On Sat, 11 Sept 2021 at 04:03, Romain Perier <romain.perier@...il.com> wrote:
> > +              - wirelesstag,ido-som2d01 # Wireless Tag IDO-SOM2D01
> > +              - wirelesstag,ido-sbc2d06-v1b-22w # Wireless Tag IDO-SBC2D06-1VB-22W
>
> For anyone wondering why we have two strings here:
> The SBC board is made up of a SoM and a board with the connectors.
> The SoM could be used standalone so we might as well have a compatible
> for it too.
> We have some dtsis for the SoM but really those could be built as is
> to support someone using the SoM on it's own.
>
> > +++ b/arch/arm/boot/dts/mstar-infinity2m-ssd201-som2d01-common.dtsi
>
> For anyone wondering:
>
> The som2d01 can come with an SSD201 (64MB DDR2 integrated) or SSD202D
> (128MB DDR3 integrated) and they need different fixed regulators for
> the DDR supply.
> So we have a common dtsi and then override the regulator in another
> layer of dtsi for the SSD202D version.
>
> Thinking about it now I think we can drop common from the file name.
>
> > @@ -0,0 +1,21 @@
> > +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> > +/*
> > + * Copyright (c) 2021 thingy.jp.
> > + * Author: Daniel Palmer <daniel@...ngy.jp>
> > + * Author: Romain Perier <romain.perier@...il.com>
> > + */
> > +
> > +/ {
> > +
>
> Unneeded space.
>
> > +       reg_vcc_dram: regulator-vcc-dram {
> > +               compatible = "regulator-fixed";
> > +               regulator-name = "vcc_dram";
> > +               regulator-min-microvolt = <1800000>;
> > +               regulator-max-microvolt = <1800000>;
> > +               regulator-boot-on;
> > +       };
> > +};
> > +
> > +&pm_uart {
> > +       status = "okay";
> > +};
> > diff --git a/arch/arm/boot/dts/mstar-infinity2m-ssd202d-wirelesstag-ido-sbc2d06-v1b-22w.dts b/arch/arm/boot/dts/mstar-infinity2m-ssd202d-wirelesstag-ido-sbc2d06-v1b-22w.dts
> > new file mode 100644
> > index 000000000000..20b40b711d4f
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/mstar-infinity2m-ssd202d-wirelesstag-ido-sbc2d06-v1b-22w.dts
> > @@ -0,0 +1,23 @@
> > +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> > +/*
> > + * Copyright (c) 2021 thingy.jp.
> > + * Author: Daniel Palmer <daniel@...ngy.jp>
> > + * Author: Romain Perier <romain.perier@...il.com>
> > + */
> > +
> > +/dts-v1/;
> > +#include "mstar-infinity2m-ssd202d-wirelesstag-ido-som2d01.dtsi"
> > +#include <dt-bindings/gpio/gpio.h>
> > +
> > +/ {
> > +       model = "Wireless Tag IDO-SBC2D06-1VB-22W";
> > +       compatible = "wirelesstag,ido-sbc2d06-v1b-22w", "wirelesstag,ido-som2d01", "mstar,infinity2m";
> > +
> > +       leds {
> > +               compatible = "gpio-leds";
> > +               sys_led {
> > +                       gpios = <&gpio SSD20XD_GPIO_GPIO85 GPIO_ACTIVE_LOW>;
> > +                       linux,default-trigger = "heartbeat";
> > +               };
> > +       };
> > +};
> > diff --git a/arch/arm/boot/dts/mstar-infinity2m-ssd202d-wirelesstag-ido-som2d01.dtsi b/arch/arm/boot/dts/mstar-infinity2m-ssd202d-wirelesstag-ido-som2d01.dtsi
> > new file mode 100644
> > index 000000000000..06567a5219c5
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/mstar-infinity2m-ssd202d-wirelesstag-ido-som2d01.dtsi
> > @@ -0,0 +1,28 @@
> > +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> > +/*
> > + * Copyright (c) 2021 thingy.jp.
> > + * Author: Daniel Palmer <daniel@...ngy.jp>
> > + * Author: Romain Perier <romain.perier@...il.com>
> > + */
> > +
> > +/dts-v1/;
> > +#include "mstar-infinity2m-ssd202d.dtsi"
> > +#include "mstar-infinity2m-ssd201-som2d01-common.dtsi"
> > +
> > +/ {
> > +       model = "Wireless Tag IDO-SOM2D01 (SSD202D)";
> > +       compatible = "wirelesstag,ido-som2d01", "mstar,infinity2m";
> > +
> > +       aliases {
> > +               serial0 = &pm_uart;
> > +       };
> > +
> > +       chosen {
> > +               stdout-path = "serial0:115200n8";
> > +       };
> > +};
> > +
> > +&reg_vcc_dram {
> > +       regulator-min-microvolt = <1500000>;
> > +       regulator-max-microvolt = <1500000>;
> > +};
> > --
> > 2.33.0
> >
>
> Cheers,
>
> Daniel