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Message-ID: <20200128101455.4635-1-benjamin.gaignard@st.com>
Date: Tue, 28 Jan 2020 11:14:55 +0100
From: Benjamin Gaignard <benjamin.gaignard@...com>
To: <dmitry.torokhov@...il.com>, <robh+dt@...nel.org>,
<mark.rutland@....com>, <megous@...ous.com>,
<mylene.josserand@...tlin.com>
CC: <linux-input@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
Benjamin Gaignard <benjamin.gaignard@...com>
Subject: [PATCH] dt-bindings: touchscreen: Convert edt-ft5x06 to json-schema
Convert the EDT-FT5x06 to DT schema using json-schema.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
---
.../bindings/input/touchscreen/edt-ft5x06.txt | 75 -------------
.../bindings/input/touchscreen/edt-ft5x06.yaml | 119 +++++++++++++++++++++
2 files changed, 119 insertions(+), 75 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
create mode 100644 Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml
diff --git a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
deleted file mode 100644
index 0f6950073d6f..000000000000
--- a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
+++ /dev/null
@@ -1,75 +0,0 @@
-FocalTech EDT-FT5x06 Polytouch driver
-=====================================
-
-There are 5 variants of the chip for various touch panel sizes
-FT5206GE1 2.8" .. 3.8"
-FT5306DE4 4.3" .. 7"
-FT5406EE8 7" .. 8.9"
-FT5506EEG 7" .. 8.9"
-FT5726NEI 5.7” .. 11.6"
-
-The software interface is identical for all those chips, so that
-currently there is no need for the driver to distinguish between the
-different chips. Nevertheless distinct compatible strings are used so
-that a distinction can be added if necessary without changing the DT
-bindings.
-
-
-Required properties:
- - compatible: "edt,edt-ft5206"
- or: "edt,edt-ft5306"
- or: "edt,edt-ft5406"
- or: "edt,edt-ft5506"
- or: "evervision,ev-ft5726"
- or: "focaltech,ft6236"
-
- - reg: I2C slave address of the chip (0x38)
- - interrupts: interrupt specification for the touchdetect
- interrupt
-
-Optional properties:
- - reset-gpios: GPIO specification for the RESET input
- - wake-gpios: GPIO specification for the WAKE input
- - vcc-supply: Regulator that supplies the touchscreen
-
- - pinctrl-names: should be "default"
- - pinctrl-0: a phandle pointing to the pin settings for the
- control gpios
-
- - threshold: allows setting the "click"-threshold in the range
- from 0 to 80.
-
- - gain: allows setting the sensitivity in the range from 0 to
- 31. Note that lower values indicate higher
- sensitivity.
-
- - offset: allows setting the edge compensation in the range from
- 0 to 31.
-
- - offset-x: Same as offset, but applies only to the horizontal position.
- Range from 0 to 80, only supported by evervision,ev-ft5726
- devices.
-
- - offset-y: Same as offset, but applies only to the vertical position.
- Range from 0 to 80, only supported by evervision,ev-ft5726
- devices.
-
- - touchscreen-size-x : See touchscreen.txt
- - touchscreen-size-y : See touchscreen.txt
- - touchscreen-fuzz-x : See touchscreen.txt
- - touchscreen-fuzz-y : See touchscreen.txt
- - touchscreen-inverted-x : See touchscreen.txt
- - touchscreen-inverted-y : See touchscreen.txt
- - touchscreen-swapped-x-y : See touchscreen.txt
-
-Example:
- polytouch: edt-ft5x06@38 {
- compatible = "edt,edt-ft5406", "edt,edt-ft5x06";
- reg = <0x38>;
- pinctrl-names = "default";
- pinctrl-0 = <&edt_ft5x06_pins>;
- interrupt-parent = <&gpio2>;
- interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
- reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
- wake-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>;
- };
diff --git a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml
new file mode 100644
index 000000000000..178b7aea0f83
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml
@@ -0,0 +1,119 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/edt-ft5x06.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: FocalTech EDT-FT5x06 Polytouch Bindings
+
+description: There are 5 variants of the chip for various touch panel sizes
+ FT5206GE1 2.8" .. 3.8"
+ FT5306DE4 4.3" .. 7"
+ FT5406EE8 7" .. 8.9"
+ FT5506EEG 7" .. 8.9"
+ FT5726NEI 5.7” .. 11.6"
+
+maintainers:
+ - Dmitry Torokhov <dmitry.torokhov@...il.com>
+
+allOf:
+ - $ref: touchscreen.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - evervision,ev-ft5726
+
+ then:
+ properties:
+ offset-x: true
+ offset-y: true
+
+properties:
+ compatible:
+ enum:
+ - edt,edt-ft5206
+ - edt,edt-ft5306
+ - edt,edt-ft5406
+ - edt,edt-ft5506
+ - evervision,ev-ft5726
+ - focaltech,ft6236
+
+ reg:
+ enum: [ 0x38 ]
+
+ interrupts:
+ maxItems: 1
+
+ reset-gpios:
+ maxItems: 1
+
+ wake-gpios:
+ maxItems: 1
+
+ vcc-supply:
+ maxItems: 1
+
+ gain:
+ description: Allows setting the sensitivity in the range from 0 to 31.
+ Note that lower values indicate higher sensitivity.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 31
+
+ offset:
+ description: Allows setting the edge compensation in the range from 0 to 31.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 31
+
+ offset-x:
+ description: Same as offset, but applies only to the horizontal position.
+ Range from 0 to 80, only supported by evervision,ev-ft5726 devices.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 80
+
+ offset-y:
+ description: Same as offset, but applies only to the vertical position.
+ Range from 0 to 80, only supported by evervision,ev-ft5726 devices.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 80
+
+ touchscreen-size-x: true
+ touchscreen-size-y: true
+ touchscreen-fuzz-x: true
+ touchscreen-fuzz-y: true
+ touchscreen-inverted-x: true
+ touchscreen-inverted-y: true
+ touchscreen-swapped-x-y: true
+ interrupt-controller: true
+
+additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ i2c@...00000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ edt-ft5x06@38 {
+ compatible = "edt,edt-ft5406";
+ reg = <0x38>;
+ interrupt-parent = <&gpio2>;
+ interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
+ reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
+ wake-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+...
+
--
2.15.0
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