[PATCH 1/2] dt-bindings: input/touchscreen: add bindings for msg26xx

Vincent Knecht
2021-01-20T18:06:24Z

This adds dts bindings for the mstar msg26xx touchscreen.

Signed-off-by: Vincent Knecht <vincent.knecht@mailoo.org>
---
.../input/touchscreen/mstar,msg26xx.yaml | 66 +++++++++++++++++++
1 file changed, 66 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/touchscreen/mstar,msg26xx.yaml

diff --git a/Documentation/devicetree/bindings/input/touchscreen/mstar,msg26xx.yaml b/Documentation/devicetree/bindings/input/touchscreen/mstar,msg26xx.yaml
new file mode 100644
index 000000000000..50e1c8495cd6
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/mstar,msg26xx.yaml
@@ -0,0 +1,66 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/mstar,msg26xx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: M-Star msg26xx touchscreen controller Bindings
+
+maintainers:
+ - Vincent Knecht <vincent.knecht@mailoo.org>
+
+allOf:
+ - $ref: touchscreen.yaml#
+
+properties:
+ compatible:
+ const: mstar,msg26xx
+
+ reg:
+ const: 0x26
+
+ interrupts:
+ maxItems: 1
+
+ reset-gpios:
+ maxItems: 1
+
+ vdd-supply:
+ description: Power supply regulator for the chip
+
+ vddio-supply:
+ description: Power supply regulator for the I2C bus
+
+additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - reset-gpios
+ - touchscreen-size-x
+ - touchscreen-size-y
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ touchscreen@26 {
+ compatible = "mstar,msg26xx";
+ reg = <0x26>;
+ interrupt-parent = <&msmgpio>;
+ interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
+ reset-gpios = <&msmgpio 100 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&ts_int_active>;
+ vdd-supply = <&pm8916_l17>;
+ vddio-supply = <&pm8916_l5>;
+ touchscreen-size-x = <720>;
+ touchscreen-size-y = <1280>;
+ };
+ };
+
+...
--
2.29.2