Re: [PATCH v2 16/16] arm64: dts: apple: t8112: Initial t8112 (M2) device trees

From: "Sven Peter" <sven@svenpeter.dev>
To: "Janne Grunau" <j@jannau.net>, "Hector Martin" <marcan@marcan.st>,
	"Alyssa Rosenzweig" <alyssa@rosenzweig.io>,
	"Rob Herring" <robh+dt@kernel.org>,
	"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
	"Mark Kettenis" <kettenis@openbsd.org>
Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 16/16] arm64: dts: apple: t8112: Initial t8112 (M2) device trees
Date: Sun, 19 Feb 2023 13:36:22 +0100	[thread overview]
Message-ID: <8303bbae-2f98-49fb-8fd6-550ecb272bae@app.fastmail.com> (raw)
In-Reply-To: <20230202-asahi-t8112-dt-v2-16-22926a283d92@jannau.net>

Hi,

On Tue, Feb 14, 2023, at 12:03, Janne Grunau wrote:
> From: Hector Martin <marcan@marcan.st>
>
> This adds device trees for the following devices:
>  - Macbook Air (M2, 2022)
>  - Macbook Pro 13" (M2, 2022)
>  - Mac mini (M2, 2023)
>
> Signed-off-by: Hector Martin <marcan@marcan.st>
> Co-developed-by: Janne Grunau <j@jannau.net>
> Signed-off-by: Janne Grunau <j@jannau.net>
> ---
>  arch/arm64/boot/dts/apple/Makefile        |    3 +
>  arch/arm64/boot/dts/apple/t8112-j413.dts  |   63 ++
>  arch/arm64/boot/dts/apple/t8112-j473.dts  |   54 ++
>  arch/arm64/boot/dts/apple/t8112-j493.dts  |   52 ++
>  arch/arm64/boot/dts/apple/t8112-jxxx.dtsi |   81 ++
>  arch/arm64/boot/dts/apple/t8112-pmgr.dtsi | 1141 +++++++++++++++++++++++++++++
>  arch/arm64/boot/dts/apple/t8112.dtsi      |  912 +++++++++++++++++++++++
>  7 files changed, 2306 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/apple/Makefile 
> b/arch/arm64/boot/dts/apple/Makefile
> index 5a7506ff5ea3..aec5e29cdfb7 100644
> --- a/arch/arm64/boot/dts/apple/Makefile
> +++ b/arch/arm64/boot/dts/apple/Makefile
> @@ -10,3 +10,6 @@ dtb-$(CONFIG_ARCH_APPLE) += t6000-j316s.dtb
>  dtb-$(CONFIG_ARCH_APPLE) += t6001-j316c.dtb
>  dtb-$(CONFIG_ARCH_APPLE) += t6001-j375c.dtb
>  dtb-$(CONFIG_ARCH_APPLE) += t6002-j375d.dtb
> +dtb-$(CONFIG_ARCH_APPLE) += t8112-j413.dtb
> +dtb-$(CONFIG_ARCH_APPLE) += t8112-j473.dtb
> +dtb-$(CONFIG_ARCH_APPLE) += t8112-j493.dtb
> diff --git a/arch/arm64/boot/dts/apple/t8112-j413.dts 
> b/arch/arm64/boot/dts/apple/t8112-j413.dts
> new file mode 100644
> index 000000000000..9e758edeaa82
> --- /dev/null
> +++ b/arch/arm64/boot/dts/apple/t8112-j413.dts
> @@ -0,0 +1,63 @@
> +// SPDX-License-Identifier: GPL-2.0+ OR MIT
> +/*
> + * Apple MacBook Air (M2, 2022)
> + *
> + * target-type: J413
> + *
> + * Copyright The Asahi Linux Contributors
> + */
> +
> +/dts-v1/;
> +
> +#include "t8112.dtsi"
> +#include "t8112-jxxx.dtsi"
> +
> +/ {
> +	compatible = "apple,j413", "apple,t8112", "apple,arm-platform";
> +	model = "Apple MacBook Air (13-inch, M2, 2022)";
> +
> +	aliases {
> +		bluetooth0 = &bluetooth0;
> +		wifi0 = &wifi0;
> +	};
> +};
> +
> +/*
> + * Force the bus number assignments so that we can declare some of the
> + * on-board devices and properties that are populated by the bootloader
> + * (such as MAC addresses).
> + */
> +&port00 {
> +	bus-range = <1 1>;
> +	wifi0: wifi@0,0 {
> +		compatible = "pci14e4,4433";

I'm not sure how these pci compatibles are usually handled. Do they have to
be added to the dt-bindings Documentation as well or is it fine to just have them
here since they're not really used to match anything?

Otherwise this looks good to me,

Reviewed-by: Sven Peter <sven@svenpeter.dev>

Best,

Sven

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