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From: "Sven Peter" <sven@svenpeter.dev>
To: "Sasha Finkelstein" <fnkl.kernel@gmail.com>,
	"Mark Kettenis" <mark.kettenis@xs4all.nl>
Cc: "Hector Martin" <marcan@marcan.st>,
	"Alyssa Rosenzweig" <alyssa@rosenzweig.io>,
	"Dmitry Torokhov" <dmitry.torokhov@gmail.com>,
	"Rob Herring" <robh+dt@kernel.org>,
	"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
	asahi@lists.linux.dev, "Henrik Rydberg" <rydberg@bitmath.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-input@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH RFC 1/4] dt-bindings: input: touchscreen: Add Z2 controller bindings.
Date: Fri, 24 Feb 2023 12:08:27 +0100	[thread overview]
Message-ID: <e6c7eb27-1b60-4894-a623-28ca3bccdea5@app.fastmail.com> (raw)
In-Reply-To: <CAMT+MTQOUd0aSDJ3DPBMfkVwaic=nbRPtfGgu2nduSdCdydcgg@mail.gmail.com>

Hi,


On Fri, Feb 24, 2023, at 12:04, Sasha Finkelstein wrote:
> On Fri, 24 Feb 2023 at 11:55, Mark Kettenis <mark.kettenis@xs4all.nl> wrote:
>
>> What is the motivation for including the firmware name in the device
>> tree rather than constructing it in the driver like what is done for
>> the broadcom wireless?
> There is no way to identify the device subtype before the firmware is
> uploaded, and so i need some way of figuring out which firmware to use.

Some Broadcom bluetooth boards use the compatible of the root node (see
btbcm_get_board_name in drivers/bluetooth/btbcm.c) which would be "apple,jXXX"
for Apple Silicon. I believe the Broadcom WiFi driver has similar logic as well
which marcan had to extend to instead of "brcm,board-type" because different
WiFi boards can me matched to different Apple Silicon boards. I don't think
that's the case for this touchscreen though.



Sven

  reply	other threads:[~2023-02-24 11:10 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-24 10:20 [PATCH RFC 0/4] Driver for Apple Z2 touchscreens Sasha Finkelstein via B4 Relay
2023-02-24 10:20 ` [PATCH RFC 1/4] dt-bindings: input: touchscreen: Add Z2 controller bindings Sasha Finkelstein via B4 Relay
2023-02-24 10:55   ` Mark Kettenis
2023-02-24 11:04     ` Sasha Finkelstein
2023-02-24 11:08       ` Sven Peter [this message]
2023-02-28  2:58         ` Hector Martin
2023-02-28 20:53           ` Mark Kettenis
2023-03-01  3:13             ` Hector Martin
2023-02-24 11:03   ` Sven Peter
2023-02-24 11:08     ` Sasha Finkelstein
2023-02-27 22:23       ` Rob Herring
2023-02-27 19:51   ` Rob Herring
2023-02-27 20:06     ` Sasha Finkelstein
2023-02-27 22:14       ` Rob Herring
2023-02-27 22:25         ` Sasha Finkelstein
2023-02-28  3:05           ` Hector Martin
2023-02-24 10:20 ` [PATCH RFC 2/4] input: apple_z2: Add a driver for Apple Z2 touchscreens Sasha Finkelstein via B4 Relay
2023-03-09  3:04   ` Jeff LaBundy
2023-02-24 10:20 ` [PATCH RFC 3/4] arm64: dts: apple: t8103: Add touchbar bindings Sasha Finkelstein via B4 Relay
2023-02-24 10:20 ` [PATCH RFC 4/4] MAINTAINERS: Add entries for Apple Z2 touchscreen driver Sasha Finkelstein via B4 Relay
2023-02-28  2:43 ` [PATCH RFC 0/4] Driver for Apple Z2 touchscreens Hector Martin

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