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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /Documentation/devicetree/bindings/input/hid-over-i2c.yaml | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/input/hid-over-i2c.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/input/hid-over-i2c.yaml | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/hid-over-i2c.yaml b/Documentation/devicetree/bindings/input/hid-over-i2c.yaml new file mode 100644 index 000000000..7156b08f7 --- /dev/null +++ b/Documentation/devicetree/bindings/input/hid-over-i2c.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/hid-over-i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: HID over I2C Devices + +maintainers: + - Benjamin Tissoires <benjamin.tissoires@redhat.com> + - Jiri Kosina <jkosina@suse.cz> + +description: |+ + HID over I2C provides support for various Human Interface Devices over the + I2C bus. These devices can be for example touchpads, keyboards, touch screens + or sensors. + + The specification has been written by Microsoft and is currently available here: + https://msdn.microsoft.com/en-us/library/windows/hardware/hh852380.aspx + + If this binding is used, the kernel module i2c-hid will handle the communication + with the device and the generic hid core layer will handle the protocol. + +allOf: + - $ref: /schemas/input/touchscreen/touchscreen.yaml# + +properties: + compatible: + oneOf: + - items: + - enum: + - wacom,w9013 + - const: hid-over-i2c + - description: Just "hid-over-i2c" alone is allowed, but not recommended. + const: hid-over-i2c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + hid-descr-addr: + description: HID descriptor address + $ref: /schemas/types.yaml#/definitions/uint32 + + post-power-on-delay-ms: + description: Time required by the device after enabling its regulators + or powering it on, before it is ready for communication. + + touchscreen-inverted-x: true + + touchscreen-inverted-y: true + + vdd-supply: + description: 3.3V supply + + vddl-supply: + description: 1.8V supply + + wakeup-source: true + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + hid@2c { + compatible = "hid-over-i2c"; + reg = <0x2c>; + hid-descr-addr = <0x0020>; + interrupts = <3 2>; + }; + }; +... |