linux-kernel - Re: [PATCH v2 3/3] ARM: dts: mstar: Add the Wireless Tag IDO-SBC2D06-V1B-22W

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Date:   Wed, 15 Sep 2021 19:09:34 +0900
From:   Daniel Palmer <daniel@...f.com>
To:     Romain Perier <romain.perier@...il.com>
Cc:     Rob Herring <robh+dt@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Olof Johansson <olof@...om.net>,
        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 v2 3/3] ARM: dts: mstar: Add the Wireless Tag IDO-SBC2D06-V1B-22W

Hi Romain,

On Wed, 15 Sept 2021 at 03:42, Romain Perier <romain.perier@...il.com> wrote:
> 1. http://linux-chenxing.org/infinity2/ido-sbc2d06
> 2. http://www.wireless-tag.com/portfolio/ido-som2d01

I think these should be Link: xxxx. I can fix this up if/when I put it
into the mstar dt for 5.16 branch though.

> diff --git a/Documentation/devicetree/bindings/arm/mstar/mstar.yaml b/Documentation/devicetree/bindings/arm/mstar/mstar.yaml
> index a316eef1b728..10efd703717e 100644
> --- a/Documentation/devicetree/bindings/arm/mstar/mstar.yaml
> +++ b/Documentation/devicetree/bindings/arm/mstar/mstar.yaml
> @@ -25,6 +25,8 @@ properties:
>            - enum:
>                - honestar,ssd201htv2 # Honestar SSD201_HT_V2 devkit
>                - m5stack,unitv2 # M5Stack UnitV2
> +              - wirelesstag,ido-som2d01 # Wireless Tag IDO-SOM2D01
> +              - wirelesstag,ido-sbc2d06-v1b-22w # Wireless Tag IDO-SBC2D06-1VB-22W
>            - const: mstar,infinity2m
>
>        - description: infinity3 boards

Looks fine.

> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 7e0934180724..7f0e92cea716 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1448,6 +1448,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \
>  dtb-$(CONFIG_ARCH_MILBEAUT) += milbeaut-m10v-evb.dtb
>  dtb-$(CONFIG_ARCH_MSTARV7) += \
>         mstar-infinity-msc313-breadbee_crust.dtb \
> +       mstar-infinity2m-ssd202d-wirelesstag-ido-sbc2d06-v1b-22w.dtb \
>         mstar-infinity2m-ssd202d-ssd201htv2.dtb \
>         mstar-infinity2m-ssd202d-unitv2.dtb \
>         mstar-infinity3-msc313e-breadbee.dtb \

Looks fine.

> diff --git a/arch/arm/boot/dts/mstar-infinity2m-ssd201-som2d01.dtsi b/arch/arm/boot/dts/mstar-infinity2m-ssd201-som2d01.dtsi
> new file mode 100644
> index 000000000000..34df472fed71
> --- /dev/null
> +++ b/arch/arm/boot/dts/mstar-infinity2m-ssd201-som2d01.dtsi
> @@ -0,0 +1,20 @@
> +// 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>
> + */
> +
> +/ {
> +       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";
> +};

Looks fine.

> 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";
> +               };
> +       };
> +};

Looks fine.

> 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..d877aff85033
> --- /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.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
>

Looks ok.

At some point, probably next week, I'll take these into the
msc313_mainlining branch[0] and rework the commits that build on top
of this.

Cheers,

Daniel

0 - https://github.com/linux-chenxing/linux/tree/msc313_mainlining