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Thu, 26 Feb 2026 08:06:28 -0800 (PST) Date: Thu, 26 Feb 2026 08:06:25 -0800 From: Dmitry Torokhov To: Langyan Ye Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, jikos@kernel.org, bentiss@kernel.org, dianders@chromium.org, linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH V3 RESEND 0/2] Add tc3408 bindings and timing Message-ID: References: <20260108063524.742464-1-yelangyan@huaqin.corp-partner.google.com> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260108063524.742464-1-yelangyan@huaqin.corp-partner.google.com> On Thu, Jan 08, 2026 at 02:35:22PM +0800, Langyan Ye wrote: > 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 > - 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 Applied the lot, thank you. -- Dmitry