linux-kernel - Re: [PATCH v2 0/2] Add tc3408 bindings and timing

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Message-ID: <CA++9cvojHApEr0b5ZbRNVjYtWvCS8WmZ-mrGMDh5O9mp1fkT0w@mail.gmail.com>
Date: Thu, 21 Aug 2025 11:44:55 +0800
From: Langyan Ye <yelangyan@...qin.corp-partner.google.com>
To: dmitry.torokhov@...il.com, robh@...nel.org, krzk+dt@...nel.org, 
	conor+dt@...nel.org, jikos@...nel.org, bentiss@...nel.org
Cc: dianders@...omium.org, linux-input@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/2] Add tc3408 bindings and timing

Langyan Ye <yelangyan@...qin.corp-partner.google.com> 于2025年8月21日周四 11:15写道：
>
> The tc3408 touch screen chip same as Elan eKTH6915 controller
> has a reset gpio. The difference is that they have different
> post_power_delay_ms.
>
> According to the Parade TC3408 datasheet, the reset pin requires a
> pull-down duration longer than 10 ms, therefore post_power_delay_ms
> is set to 10. In addition, the chipset requires an initialization
> time greater than 300 ms after reset, so post_gpio_reset_on_delay_ms
> is configured as 300.
>
> Changes in v3:
> - PATCH 2/2: Corrected post_gpio_reset_on_delay_ms: 100 -> 300
> - PATCH 2/2: Dropped Reviewed-by tag from Douglas Anderson since code changed
> - Link to v2: https://lore.kernel.org/all/20250820122520.3356738-1-yelangyan@huaqin.corp-partner.google.com/
>
> Changes in v2:
> - PATCH 1/2: Drop redundant "bindings for" from subject
> - PATCH 1/2: Improve description (describe hardware instead of bindings)
> - PATCH 1/2: Drop "panel: true" property
> - PATCH 1/2: Drop redundant description for reset-gpios
> - PATCH 1/2: Use unevaluatedProperties: false instead of additionalProperties
> - Link to v1: https://lore.kernel.org/all/20250819034852.1230264-1-yelangyan@huaqin.corp-partner.google.com/
>
> Langyan Ye (2):
>   dt-bindings: input: Add Parade TC3408 touchscreen controller
>   HID: i2c-hid: elan: Add parade-tc3408 timing
>
>  .../bindings/input/parade,tc3408.yaml         | 68 +++++++++++++++++++
>  drivers/hid/i2c-hid/i2c-hid-of-elan.c         |  8 +++
>  2 files changed, 76 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/input/parade,tc3408.yaml
>
> --
> 2.34.1
>

Hi all,

Apologies for the confusion. The last series I sent was labeled as
"[PATCH v2 0/2]" in the subject, but it should have been "[PATCH v3 0/2]".
Please consider that series as v3.

Thanks,
Langyan