Add device tree bindings for Maxim Integrated MAX7360 MFD functions: keypad, rotary, gpios and pwm. Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@xxxxxxxxxxx> --- .../devicetree/bindings/gpio/max7360-gpio.yaml | 96 ++++++++++++++++++++++ .../devicetree/bindings/input/max7360-keypad.yaml | 67 +++++++++++++++ .../devicetree/bindings/input/max7360-rotary.yaml | 52 ++++++++++++ .../devicetree/bindings/pwm/max7360-pwm.yaml | 35 ++++++++ 4 files changed, 250 insertions(+) diff --git a/Documentation/devicetree/bindings/gpio/max7360-gpio.yaml b/Documentation/devicetree/bindings/gpio/max7360-gpio.yaml new file mode 100644 index 000000000000..3c006dc0380b --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/max7360-gpio.yaml @@ -0,0 +1,96 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/max7360-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX7360 GPIO controller + +maintainers: + - Kamel Bouhara <kamel.bouhara@xxxxxxxxxxx> + - Mathieu Dubois-Briand <mathieu.dubois-briand@xxxxxxxxxxx> + +description: | + Maxim MAX7360 GPIO controller, in MAX7360 MFD + https://www.analog.com/en/products/max7360.html + +properties: + compatible: + enum: + - maxim,max7360-gpio + - maxim,max7360-gpo + + gpio-controller: true + + "#gpio-cells": + const: 2 + + ngpios: + minimum: 0 + maximum: 8 + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + + interrupts: + description: The interrupt line the device is connected to. + maxItems: 1 + + constant-current-disable: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Bit field, each bit disables constant-current output of the + associated GPIO. + + +required: + - compatible + - gpio-controller + - ngpios + +if: + properties: + compatible: + contains: + enum: + - maxim,max7360-gpio +then: + required: + - interrupt-controller + - interrupts +else: + properties: + interrupt-controller: false + interrupts: false + constant-current-disable: false + + ngpios: + maximum: 6 + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + max7360_gpo: max7360_gpo { + compatible = "maxim,max7360-gpo"; + gpio-controller; + #gpio-cells = <0x2>; + ngpios = <4>; + }; + + max7360_gpio: max7360_gpio { + compatible = "maxim,max7360-gpio"; + + gpio-controller; + #gpio-cells = <0x2>; + ngpios = <8>; + constant-current-disable = <0x06>; + + interrupt-controller; + #interrupt-cells = <0x2>; + interrupt-parent = <&gpio1>; + interrupts = <23 IRQ_TYPE_LEVEL_LOW>; + }; diff --git a/Documentation/devicetree/bindings/input/max7360-keypad.yaml b/Documentation/devicetree/bindings/input/max7360-keypad.yaml new file mode 100644 index 000000000000..8bc3c841465b --- /dev/null +++ b/Documentation/devicetree/bindings/input/max7360-keypad.yaml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/max7360-keypad.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX7360 Keypad Controller + +maintainers: + - Mathieu Dubois-Briand <mathieu.dubois-briand@xxxxxxxxxxx> + +description: | + Maxim MAX7360 Keypad Controller, in MAX7360 MFD + https://www.analog.com/en/products/max7360.html + +allOf: + - $ref: matrix-keymap.yaml# + - $ref: input.yaml# + +properties: + compatible: + enum: + - maxim,max7360-keypad + + interrupts: + description: The interrupt line the device is connected to. + maxItems: 1 + + debounce-delay-ms: + description: Debounce delay in ms + minimum: 9 + maximum: 40 + default: 9 + + linux,input-no-autorepeat: + description: If present, the keys will not autorepeat when pressed + +required: + - compatible + - interrupts + - linux,keymap + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/input/input.h> + + max7360_keypad { + compatible = "maxim,max7360-keypad"; + + keypad,num-rows = <8>; + keypad,num-columns = <4>; + + linux,keymap = < + MATRIX_KEY(0x00, 0x00, KEY_F5) + MATRIX_KEY(0x01, 0x00, KEY_F4) + MATRIX_KEY(0x02, 0x01, KEY_F6) + >; + + interrupt-parent = <&gpio1>; + interrupts = <23 IRQ_TYPE_LEVEL_LOW>; + + debounce-delay-ms = <10>; + linux,input-no-autorepeat; + }; diff --git a/Documentation/devicetree/bindings/input/max7360-rotary.yaml b/Documentation/devicetree/bindings/input/max7360-rotary.yaml new file mode 100644 index 000000000000..19afa8344249 --- /dev/null +++ b/Documentation/devicetree/bindings/input/max7360-rotary.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/max7360-rotary.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX7360 Rotary Encoder + +maintainers: + - Mathieu Dubois-Briand <mathieu.dubois-briand@xxxxxxxxxxx> + +description: | + Maxim MAX7360 Rotary Encoder, in MAX7360 MFD + https://www.analog.com/en/products/max7360.html + +properties: + compatible: + enum: + - maxim,max7360-rotary + + interrupts: + description: The interrupt line the device is connected to. + maxItems: 1 + + debounce-delay-ms: + description: Debounce delay in ms + minimum: 0 + maximum: 15 + default: 0 + + linux,axis: + description: The input subsystem axis to map to this rotary encoder. + +required: + - compatible + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + max7360_rotary: max7360_rotary { + compatible = "maxim,max7360-rotary"; + + debounce-delay-ms = <2>; + linux,axis = <0>; /* REL_X */ + + interrupt-parent = <&gpio1>; + interrupts = <23 IRQ_TYPE_LEVEL_LOW>; + }; diff --git a/Documentation/devicetree/bindings/pwm/max7360-pwm.yaml b/Documentation/devicetree/bindings/pwm/max7360-pwm.yaml new file mode 100644 index 000000000000..68d48969e542 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/max7360-pwm.yaml @@ -0,0 +1,35 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/max7360-pwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX7360 PWM controller + +maintainers: + - Kamel Bouhara <kamel.bouhara@xxxxxxxxxxx> + +description: | + Maxim MAX7360 PWM controller, in MAX7360 MFD + https://www.analog.com/en/products/max7360.html + +properties: + compatible: + enum: + - maxim,max7360-pwm + + "#pwm-cells": + const: 2 + + +required: + - compatible + +additionalProperties: false + +examples: + - | + max7360_pwm: max7360_pwm { + compatible = "maxim,max7360-pwm"; + #pwm-cells = <2>; + }; -- 2.39.5
