linux-kernel - [PATCH RFC/RFT 1/3] dt-bindings: touchscreen: Add binding for Novatek NT36xxx series driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20241015-nt36xxx-v1-1-3919d0bffee6@gmail.com>
Date: Tue, 15 Oct 2024 20:53:29 +0800
From: George Chan via B4 Relay <devnull+gchan9527.gmail.com@...nel.org>
To: Dmitry Torokhov <dmitry.torokhov@...il.com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Del Regno <kholk11@...il.com>, 
 Henrik Rydberg <rydberg@...math.org>
Cc: linux-input@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, George Chan <gchan9527@...il.com>
Subject: [PATCH RFC/RFT 1/3] dt-bindings: touchscreen: Add binding for
 Novatek NT36xxx series driver

From: George Chan <gchan9527@...il.com>

Add binding for the Novatek NT36xxx series touchscreen driver.

Signed-off-by: AngeloGioacchino Del Regno <kholk11@...il.com>
Signed-off-by: George Chan <gchan9527@...il.com>
---
 .../bindings/input/touchscreen/nt36xxx.yaml        | 70 ++++++++++++++++++++++
 1 file changed, 70 insertions(+)

diff --git a/Documentation/devicetree/bindings/input/touchscreen/nt36xxx.yaml b/Documentation/devicetree/bindings/input/touchscreen/nt36xxx.yaml
new file mode 100644
index 0000000000..3919f0d026
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/nt36xxx.yaml
@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/nt36xxx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Novatek NT36xxx series touchscreen controller Bindings
+
+maintainers:
+  - AngeloGioacchino Del Regno <kholk11@...il.com>
+  - George Chan <gchan9527@...il.com>
+
+allOf:
+  - $ref: touchscreen.yaml#
+
+properties:
+  compatible:
+    enum:
+        - novatek,nt36525-spi
+        - novatek,nt36672a-spi
+        - novatek,nt36675-spi
+        - novatek,nt36676f-spi
+        - novatek,nt36772-spi
+
+  reg:
+    maxItems: 1
+
+  irq-gpio:
+    maxItems: 1
+
+  vdd-supply:
+    description: Power supply regulator for VDD pin
+
+  vio-supply:
+    description: Power supply regulator on VDD-IO pin
+
+  firmware-name:
+    description: Firmware for device initialization, if unspecify, all
+                  other IC treat as no firmware needed. For nt36675, default
+                  to "novatek_ts_tianma_fw.bin".
+
+  spi-max-frequency:
+    description: Set max frequency to spi bus communication. This is optional.
+
+unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+  - irq-gpio
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/gpio/gpio.h>
+
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      touchscreen@0 {
+        compatible = "novatek,nt36675-spi";
+        reg = <0>;
+        spi-max-frequency = <4000000>;
+        irq-gpio = <&tlmm 9 0x2001>;
+        firmware-name = "novatek_ts_tianma_fw.bin";
+      };
+    };
+
+...

-- 
2.43.0