From: Pengyu Luo <mitltlatltl@gmail.com>
To: "Dmitry Torokhov" <dmitry.torokhov@gmail.com>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Hans de Goede" <hansg@kernel.org>,
"Thomas Weißschuh" <thomas.weissschuh@linutronix.de>,
"Len Brown" <len.brown@intel.com>,
"Ingo Molnar" <mingo@kernel.org>,
"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
"Jason Gunthorpe" <jgg@ziepe.ca>, "Luke Jones" <luke@ljones.dev>,
"Gustavo A. R. Silva" <gustavoars@kernel.org>,
"Al Viro" <viro@zeniv.linux.org.uk>,
"Eric Biggers" <ebiggers@kernel.org>,
"Neil Armstrong" <neil.armstrong@linaro.org>
Cc: Charles Wang <charles.goodix@gmail.com>,
linux-input@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, Pengyu Luo <mitltlatltl@gmail.com>
Subject: [PATCH v2 1/2] dt-bindings: input: goodix,gt9916: Document stylus support
Date: Thu, 10 Jul 2025 19:57:32 +0800 [thread overview]
Message-ID: <20250710115733.226670-2-mitltlatltl@gmail.com> (raw)
In-Reply-To: <20250710115733.226670-1-mitltlatltl@gmail.com>
Document stylus support. Optional support for DT properties:
- `goodix,stylus-enable`
- `goodix,stylus-pressure-level`
- `touchscreen-x-mm`
- `touchscreen-y-mm`
Signed-off-by: Pengyu Luo <mitltlatltl@gmail.com>
---
.../bindings/input/touchscreen/goodix,gt9916.yaml | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/Documentation/devicetree/bindings/input/touchscreen/goodix,gt9916.yaml b/Documentation/devicetree/bindings/input/touchscreen/goodix,gt9916.yaml
index c40d92b7f..e56d74ae4 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/goodix,gt9916.yaml
+++ b/Documentation/devicetree/bindings/input/touchscreen/goodix,gt9916.yaml
@@ -43,6 +43,18 @@ properties:
touchscreen-size-x: true
touchscreen-size-y: true
touchscreen-swapped-x-y: true
+ touchscreen-x-mm: true
+ touchscreen-y-mm: true
+
+ goodix,stylus-enable:
+ type: boolean
+
+ goodix,stylus-pressure-level:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Number of discrete pressure levels supported by the stylus.
+ The reported ABS_PRESSURE range will be 0 to
+ (goodix,stylus-pressure-level - 1).
additionalProperties: false
--
2.50.0
next prev parent reply other threads:[~2025-07-10 11:58 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-10 11:57 [PATCH v2 0/2] input: touchscreen: goodix_berlin: Add stylus support Pengyu Luo
2025-07-10 11:57 ` Pengyu Luo [this message]
2025-07-10 13:35 ` [PATCH v2 1/2] dt-bindings: input: goodix,gt9916: Document " Rob Herring (Arm)
2025-07-10 11:57 ` [PATCH v2 2/2] input: touchscreen: goodix_berlin: Add " Pengyu Luo
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