[PATCH 1/2] dt-bindings: input: Update atmel,maxtouch.txt to YAML
From: Paul Cercueil <paul@crapouillou.net>
Date: 2020-03-15 10:04:25
Also in:
linux-arm-kernel, linux-devicetree, lkml
Subsystem:
atmel maxtouch driver, input (keyboard, mouse, joystick, touchscreen) drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Nick Dyer, Dmitry Torokhov, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Update atmel,maxtouch.txt to YAML. The new 'vdd-supply' property was added in the process. Signed-off-by: Paul Cercueil <paul@crapouillou.net> --- .../bindings/input/atmel,maxtouch.txt | 41 ----------- .../bindings/input/atmel,maxtouch.yaml | 68 +++++++++++++++++++ 2 files changed, 68 insertions(+), 41 deletions(-) delete mode 100644 Documentation/devicetree/bindings/input/atmel,maxtouch.txt create mode 100644 Documentation/devicetree/bindings/input/atmel,maxtouch.yaml
diff --git a/Documentation/devicetree/bindings/input/atmel,maxtouch.txt b/Documentation/devicetree/bindings/input/atmel,maxtouch.txt
deleted file mode 100644
index c88919480d37..000000000000
--- a/Documentation/devicetree/bindings/input/atmel,maxtouch.txt
+++ /dev/null@@ -1,41 +0,0 @@ -Atmel maXTouch touchscreen/touchpad - -Required properties: -- compatible: - atmel,maxtouch - - The following compatibles have been used in various products but are - deprecated: - atmel,qt602240_ts - atmel,atmel_mxt_ts - atmel,atmel_mxt_tp - atmel,mXT224 - -- reg: The I2C address of the device - -- interrupts: The sink for the touchpad's IRQ output - See ../interrupt-controller/interrupts.txt - -Optional properties for main touchpad device: - -- linux,gpio-keymap: When enabled, the SPT_GPIOPWN_T19 object sends messages - on GPIO bit changes. An array of up to 8 entries can be provided - indicating the Linux keycode mapped to each bit of the status byte, - starting at the LSB. Linux keycodes are defined in - <dt-bindings/input/input.h>. - - Note: the numbering of the GPIOs and the bit they start at varies between - maXTouch devices. You must either refer to the documentation, or - experiment to determine which bit corresponds to which input. Use - KEY_RESERVED for unused padding values. - -- reset-gpios: GPIO specifier for the touchscreen's reset pin (active low) - -Example: - - touch@4b { - compatible = "atmel,maxtouch"; - reg = <0x4b>; - interrupt-parent = <&gpio>; - interrupts = <TEGRA_GPIO(W, 3) IRQ_TYPE_LEVEL_LOW>; - };
diff --git a/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml b/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml
new file mode 100644
index 000000000000..1b138a9836bf
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml@@ -0,0 +1,68 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/atmel,maxtouch.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Atmel maXTouch touchscreen/touchpad DT bindings + +maintainers: + - Paul Cercueil <paul@crapouillou.net> + +properties: + compatible: + enum: + - atmel,maxtouch + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + vdd-supply: + description: Phandle to regulator providing power to the touchscreen + + linux,gpio-keymap: + minItems: 1 + maxItems: 8 + description: > + When enabled, the SPT_GPIOPWN_T19 object sends messages + on GPIO bit changes. An array of up to 8 entries can be provided + indicating the Linux keycode mapped to each bit of the status byte, + starting at the LSB. Linux keycodes are defined in + <dt-bindings/input/input.h>. + + Note: the numbering of the GPIOs and the bit they start at varies between + maXTouch devices. You must either refer to the documentation, or + experiment to determine which bit corresponds to which input. Use + KEY_RESERVED for unused padding values. + + reset-gpios: + description: GPIO specifier for the touchscreen's reset pin (active low) + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + mxt224-touchscreen@4a { + compatible = "atmel,maxtouch"; + reg = <0x4a>; + + interrupt-parent = <&gpx0>; + interrupts = <4 IRQ_TYPE_EDGE_FALLING>; + + vdd-supply = <&tsp_reg>; + }; + };
--
2.25.1