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author | Nuno Sá <nuno.sa@analog.com> | 2022-08-31 06:08:18 +0200 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2022-08-31 06:16:08 +0200 |
commit | 81ce5b77417ac9623d1c6270a2f75a0a3a734d0d (patch) | |
tree | 8bb201fd040794127cf6cc43e0df7e323076c1f6 /Documentation/devicetree/bindings/input | |
parent | Input: adp5588-keys - add support for fw properties (diff) | |
download | linux-81ce5b77417ac9623d1c6270a2f75a0a3a734d0d.tar.xz linux-81ce5b77417ac9623d1c6270a2f75a0a3a734d0d.zip |
dt-bindings: input: adp5588: add bindings
Add device tree bindings for the adp5588-keys driver.
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220829131553.690063-6-nuno.sa@analog.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/input')
-rw-r--r-- | Documentation/devicetree/bindings/input/adi,adp5588.yaml | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/adi,adp5588.yaml b/Documentation/devicetree/bindings/input/adi,adp5588.yaml new file mode 100644 index 000000000000..26ea66834ae2 --- /dev/null +++ b/Documentation/devicetree/bindings/input/adi,adp5588.yaml @@ -0,0 +1,111 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/adi,adp5588.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices ADP5588 Keypad Controller + +maintainers: + - Nuno Sá <nuno.sa@analog.com> + +description: | + Analog Devices Mobile I/O Expander and QWERTY Keypad Controller + https://www.analog.com/media/en/technical-documentation/data-sheets/ADP5588.pdf + +allOf: + - $ref: matrix-keymap.yaml# + - $ref: input.yaml# + +properties: + compatible: + enum: + - adi,adp5587 + - adi,adp5588 + + reg: + maxItems: 1 + + vcc-supply: + description: Supply Voltage Input + + reset-gpios: + description: + If specified, it will be asserted during driver probe. As the line is + active low, it should be marked GPIO_ACTIVE_LOW. + maxItems: 1 + + interrupts: + maxItems: 1 + + gpio-controller: + description: + This property applies if either keypad,num-rows lower than 8 or + keypad,num-columns lower than 10. + + '#gpio-cells': + const: 2 + + interrupt-controller: + description: + This property applies if either keypad,num-rows lower than 8 or + keypad,num-columns lower than 10. + + '#interrupt-cells': + const: 2 + + adi,unlock-keys: + description: + Specifies a maximum of 2 keys that can be used to unlock the keypad. + If this property is set, the keyboard will be locked and only unlocked + after these keys are pressed. If only one key is set, a double click is + needed to unlock the keypad. The value of this property cannot be bigger + or equal than keypad,num-rows * keypad,num-columns. + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 2 + +required: + - compatible + - reg + - interrupts + - keypad,num-rows + - keypad,num-columns + - linux,keymap + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/input/input.h> + #include <dt-bindings/gpio/gpio.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + keys@34 { + compatible = "adi,adp5588"; + reg = <0x34>; + + vcc-supply = <&vcc>; + interrupts = <21 IRQ_TYPE_EDGE_FALLING>; + interrupt-parent = <&gpio>; + reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>; + + keypad,num-rows = <1>; + keypad,num-columns = <9>; + linux,keymap = < + MATRIX_KEY(0x00, 0x00, KEY_1) + MATRIX_KEY(0x00, 0x01, KEY_2) + MATRIX_KEY(0x00, 0x02, KEY_3) + MATRIX_KEY(0x00, 0x03, KEY_4) + MATRIX_KEY(0x00, 0x04, KEY_5) + MATRIX_KEY(0x00, 0x05, KEY_6) + MATRIX_KEY(0x00, 0x06, KEY_7) + MATRIX_KEY(0x00, 0x07, KEY_8) + MATRIX_KEY(0x00, 0x08, KEY_9) + >; + }; + }; +... |