linux-kernel - Re: [PATCH v4 1/2] dt-bindings: input: Goodix GT7986U SPI HID Touchscreen

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Message-ID: <173142904157.1142372.532971891848128579.robh@kernel.org>
Date: Tue, 12 Nov 2024 10:30:42 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Charles Wang <charles.goodix@...il.com>
Cc: hbarnor@...omium.org, bentiss@...nel.org, linux-input@...r.kernel.org,
	krzk@...nel.org, dianders@...omium.org, jikos@...nel.org,
	linux-kernel@...r.kernel.org, dmitry.torokhov@...il.com,
	devicetree@...r.kernel.org, conor.dooley@...rochip.com
Subject: Re: [PATCH v4 1/2] dt-bindings: input: Goodix GT7986U SPI HID
 Touchscreen


On Mon, 11 Nov 2024 15:49:59 +0800, Charles Wang wrote:
> The Goodix GT7986U touch controller report touch data according to the
> HID protocol through the SPI bus. However, it is incompatible with
> Microsoft's HID-over-SPI protocol.
> 
> NOTE: these bindings are distinct from the bindings used with the
> GT7986U when the chip is running I2C firmware. For some background,
> see discussion on the mailing lists in the thread:
> 
> https://lore.kernel.org/r/20241018020815.3098263-2-charles.goodix@gmail.com
> 
> Signed-off-by: Charles Wang <charles.goodix@...il.com>
> ---
>  .../bindings/input/goodix,gt7986u-spifw.yaml  | 69 +++++++++++++++++++
>  1 file changed, 69 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/input/goodix,gt7986u-spifw.yaml
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>