2022-02-11 01:14:49

by Markuss Broks

Subject: [PATCH 1/2] dt-bindings: input/touchscreen: bindings for Imagis

This patch adds device-tree bindings for the Imagis
IST3038C touch screen IC.

Signed-off-by: Markuss Broks <[email protected]>
---
.../input/touchscreen/imagis,ist3038c.yaml | 78 +++++++++++++++++++
.../devicetree/bindings/vendor-prefixes.yaml | 2 +
2 files changed, 80 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/touchscreen/imagis,ist3038c.yaml

diff --git a/Documentation/devicetree/bindings/input/touchscreen/imagis,ist3038c.yaml b/Documentation/devicetree/bindings/input/touchscreen/imagis,ist3038c.yaml
new file mode 100644
index 000000000000..da1630eb957b
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/imagis,ist3038c.yaml
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/imagis,ist3038c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Imagis IST30XXC family touchscreen controller bindings
+
+maintainers:
+ - Markuss Broks <[email protected]>
+
+allOf:
+ - $ref: touchscreen.yaml#
+
+properties:
+ $nodename:
+ pattern: "^touchscreen(@.*)?$"
+
+ compatible:
+ items:
+ - enum:
+ - imagis,ist3038c
+
+ reg:
+ description: I2C address
+
+ interrupts:
+ maxItems: 1
+
+ vdd-supply:
+ description: Power supply regulator for the chip
+
+ vddio-supply:
+ description: Power supply regulator for the I2C bus
+
+ touchscreen-size-x: true
+ touchscreen-size-y: true
+ touchscreen-fuzz-x: true
+ touchscreen-fuzz-y: true
+ touchscreen-fuzz-pressure: true
+ touchscreen-inverted-x: true
+ touchscreen-inverted-y: true
+ touchscreen-swapped-x-y: true
+ touchscreen-max-pressure: true
+
+additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - touchscreen-size-x
+ - touchscreen-size-y
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ touchscreen@48 {
+ compatible = "imagis,ist3038c";
+ reg = <0x50>;
+ interrupt-parent = <&gpio>;
+ interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
+ vdd-supply = <&ldo1_reg>;
+ vddio-supply = <&ldo2_reg>;
+ touchscreen-size-x = <720>;
+ touchscreen-size-y = <1280>;
+ touchscreen-fuzz-x = <10>;
+ touchscreen-fuzz-y = <10>;
+ touchscreen-fuzz-pressure = <10>;
+ touchscreen-inverted-x;
+ touchscreen-inverted-y;
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index a867f7102c35..bf44bb71c0b4 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -523,6 +523,8 @@ patternProperties:
description: Ingenieurburo Fur Ic-Technologie (I/F/I)
"^ilitek,.*":
description: ILI Technology Corporation (ILITEK)
+ "^imagis,.*":
+ description: Imagis Technologies Co., Ltd.
"^img,.*":
description: Imagination Technologies Ltd.
"^imi,.*":
--
2.35.0

2022-02-11 21:06:29

by Linus Walleij

Subject: Re: [PATCH 1/2] dt-bindings: input/touchscreen: bindings for Imagis

On Thu, Feb 10, 2022 at 4:59 PM Markuss Broks <[email protected]> wrote:

> This patch adds device-tree bindings for the Imagis
> IST3038C touch screen IC.
>
> Signed-off-by: Markuss Broks <[email protected]>

Looks good to me.
Reviewed-by: Linus Walleij <[email protected]>

Yours,
Linus Walleij