linux-kernel - [PATCH 1/2] dt-bindings: touchscreen: Add Novatek NT519XX series bindings

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Date:   Wed, 25 Oct 2023 16:20:53 +0800
From:   Wei-Shih Lin <frank101417@...il.com>
To:     dmitry.torokhov@...il.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org
Cc:     linux-input@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: touchscreen: Add Novatek NT519XX series bindings

This patch adds device tree bindings for Novatek NT519XX series
touchscreen devices.

Signed-off-by: Wei-Shih Lin <Weishih_Lin@...atek.com.tw>
---
 .../input/touchscreen/novatek,nt519xx.yaml    | 60 +++++++++++++++++++
 MAINTAINERS                                   |  9 +++
 2 files changed, 69 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/touchscreen/novatek,nt519xx.yaml

diff --git a/Documentation/devicetree/bindings/input/touchscreen/novatek,nt519xx.yaml b/Documentation/devicetree/bindings/input/touchscreen/novatek,nt519xx.yaml
new file mode 100644
index 000000000000..00912e265197
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/novatek,nt519xx.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/novatek,nt519xx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Novatek nt519xx touchscreen controller bindings
+
+maintainers:
+  - Wei-Shih Lin <Weishih_Lin@...atek.com.tw>
+  - Leo LS Chang <Leo_LS_Chang@...atek.com.tw>
+
+allOf:
+  - $ref: touchscreen.yaml#
+
+properties:
+  compatible:
+    enum:
+      - novatek,NVT-ts
+
+  reg:
+    maxItems: 1
+
+  novatek,irq-gpio:
+    maxItems: 1
+
+  novatek,reset-gpio:
+    maxItems: 1
+
+  touchscreen-size-x: true
+  touchscreen-size-y: true
+
+required:
+  - compatible
+  - reg
+  - novatek,irq-gpio
+  - novatek,reset-gpio
+  - touchscreen-size-x
+  - touchscreen-size-y
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/gpio/gpio.h>
+    i2c {
+      novatek@62 {
+        compatible = "novatek,NVT-ts";
+        reg = <0x62>;
+
+        novatek,irq-gpio = <&gpio5 GPIO_C3 IRQ_TYPE_EDGE_RISING>;
+        novatek,reset-gpio = <&gpio7 GPIO_B1 GPIO_ACTIVE_LOW>;
+
+        touchscreen-size-x = <1920>;
+        touchscreen-size-y = <1080>;
+      };
+    };
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 4cc6bf79fdd8..25c88bf7333e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -15009,6 +15009,15 @@ L:	linux-input@...r.kernel.org
 S:	Maintained
 F:	drivers/input/touchscreen/novatek-nvt-ts.c
 
+NOVATEK NT519XX I2C TOUCHSCREEN DRIVER
+M:	Wei-Shih Lin <Weishih_Lin@...atek.com.tw>
+L:	linux-input@...r.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/input/touchscreen/novatek,nt519xx.yaml
+F:	drivers/input/touchscreen/nt519xx.c
+F:	drivers/input/touchscreen/nt519xx.h
+F:	drivers/input/touchscreen/nt519xx_mem_map.h
+
 NSDEPS
 M:	Matthias Maennich <maennich@...gle.com>
 S:	Maintained
-- 
2.26.1