On Tue, Oct 01, 2024 at 03:41:36PM +0200, Nuno Sa wrote: > Add device tree bindings for the adp5589 keypad (and similar devices). The > ADP5585 family has small differences like the lack of the unlock > function and less pins (cols x rows) for the keymap. > > As there's no MAINTAINERS entry for these devices, add one. Also to note > that these devices were removed from trivial-devices.yaml. > > Signed-off-by: Nuno Sa <nuno.sa@xxxxxxxxxx> > --- > .../devicetree/bindings/input/adi,adp5589.yaml | 310 +++++++++++++++++++++ > .../devicetree/bindings/trivial-devices.yaml | 6 - > MAINTAINERS | 9 + > 3 files changed, 319 insertions(+), 6 deletions(-) > > diff --git a/Documentation/devicetree/bindings/input/adi,adp5589.yaml b/Documentation/devicetree/bindings/input/adi,adp5589.yaml > new file mode 100644 > index 0000000000000000000000000000000000000000..bdbc79758a0390952c8363ec28f48057dab929a9 > --- /dev/null > +++ b/Documentation/devicetree/bindings/input/adi,adp5589.yaml > @@ -0,0 +1,310 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/input/adi,adp5589.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Analog Devices ADP5589 and similar Keypad Controllers > + > +maintainers: > + - Nuno Sa <nuno.sa@xxxxxxxxxx> > + - Michael Hennerich <michael.hennerich@xxxxxxxxxx> > + > +description: | > + Analog Devices Mobile I/O Expander and QWERTY Keypad Controllers > + - https://www.analog.com/media/en/technical-documentation/data-sheets/ADP5589.pdf > + - https://www.analog.com/media/en/technical-documentation/data-sheets/ADP5585.pdf > + > +properties: > + compatible: > + enum: > + - adi,adp5589 > + - adi,adp5585 > + - adi,adp5585-2 > + > + reg: > + maxItems: 1 > + > + vcc-supply: true > + > + interrupts: > + maxItems: 1 > + > + gpio-controller: > + description: > + This property applies if there are pins not used in the keypad. > + > + '#gpio-cells': > + const: 2 > + > + interrupt-controller: > + description: > + This property applies if there are pins not used in the keypad. > + > + '#interrupt-cells': > + const: 2 > + > + adi,cols-mask: > + description: > + Defines the number of pins (columns) being used ad part of the keymap. As > + the device is fully configurable and we can have holes in the columns > + being used, this is given as mask. > + $ref: /schemas/types.yaml#/definitions/uint32 > + minimum: 0x1 > + maximum: 0x3f > + > + adi,rows-mask: > + description: > + Defines the number of pins (rows) being used ad part of the keymap. As > + the device is fully configurable and we can have holes in the rows being > + used, this is given as mask. > + $ref: /schemas/types.yaml#/definitions/uint32 > + minimum: 0x1 > + maximum: 0xff > + > + adi,key-poll-ms: > + description: Configure time between consecutive scan cycles. > + enum: [10, 20, 30, 40] > + default: 10 > + > + 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. The value 127 serves as a wildcard which > + means any key can be used for unlocking. > + $ref: /schemas/types.yaml#/definitions/uint32-array > + minItems: 1 > + maxItems: 2 You probably don't allow repeated key values? If so, then you can add 'uniqueItems: true' to enforce that. > + items: > + anyOf: > + - minimum: 1 > + maximum: 88 > + - minimum: 97 > + maximum: 115 > + - const: 127 > + > + adi,unlock-trigger-sec: > + description: > + Defines the time in which the second unlock event must occur after the > + first unlock event has occurred. > + maximum: 7 > + default: 0 > + > + adi,reset1-keys: > + description: > + Defines the trigger events (key presses) that can generate reset > + conditions one the reset1 block. > + $ref: /schemas/types.yaml#/definitions/uint32-array > + minItems: 1 > + maxItems: 3 > + items: > + anyOf: > + - minimum: 1 > + maximum: 88 > + - minimum: 97 > + maximum: 115 > + > + adi,reset2-keys: > + description: > + Defines the trigger events (key presses) that can generate reset > + conditions one the reset2 block. > + $ref: /schemas/types.yaml#/definitions/uint32-array > + minItems: 1 > + maxItems: 2 > + items: > + anyOf: > + - minimum: 1 > + maximum: 88 > + - minimum: 97 > + maximum: 115 > + > + adi,reset1-active-high: > + description: Sets the reset1 signal as active high. > + type: boolean > + > + adi,reset2-active-high: > + description: Sets the reset2 signal as active high. > + type: boolean > + > + adi,rst-passtrough-enable: passthrough > + description: Allows the RST pin to override (OR with) the reset1 signal. > + type: boolean > + > + adi,reset-trigger-ms: > + description: > + Defines the length of time that the reset events must be active before a > + reset signal is generated. All events must be active at the same time for > + the same duration. > + enum: [0, 1000, 1500, 2000, 2500, 3000, 3500, 4000] > + default: 0 > + > + adi,reset-pulse-width-us: > + description: Defines the pulse width of the reset signals. > + enum: [500, 1000, 2000, 10000] > + default: 500 > + > + '#address-cells': > + const: 1 > + > + '#size-cells': > + const: 0 > + > +patternProperties: > + "^gpio@": 'gpio' for node name is for gpio-controllers which this is not. > + type: object > + additionalProperties: false > + > + properties: > + reg: > + description: The GPIO number being configured. > + maximum: 18 > + > + adi,pull-up-ohms: > + description: The pullup resistor to be used. > + enum: [100000, 300000] > + default: 300000 Key mode doesn't have a pull-up? Kind of overkill to have a node for 1 property. I'd probably just make this an array of 18 entries for all pins using 0 or something if you don't want to configure pins. > + > + required: > + - reg > + > +dependencies: > + adi,rows-mask: > + - linux,keymap > + - adi,cols-mask > + adi,cols-mask: > + - linux,keymap > + - adi,rows-mask > + linux,keymap: > + - adi,rows-mask > + - adi,cols-mask > + - interrupts > + interrupt-controller: > + - interrupts > + adi,unlock-trigger-sec: > + - adi,unlock-keys > + adi,reset1-active-high: > + - adi,reset1-keys > + adi,rst-passtrough-enable: > + - adi,reset1-keys > + adi,reset2-active-high: > + - adi,reset2-keys > + > +required: > + - compatible > + - reg > + - vcc-supply > + > +allOf: > + - $ref: matrix-keymap.yaml# > + - $ref: input.yaml# > + - if: > + properties: > + compatible: > + enum: > + - adi,adp5585-2 > + then: > + properties: > + adi,unlock-keys: false > + adi,unlock-trigger-sec: false > + adi,rows-mask: > + maximum: 0x2f > + adi,cols-mask: > + maximum: 0x1f > + adi,reset1-keys: > + items: > + anyOf: > + - minimum: 1 > + maximum: 30 > + - minimum: 37 > + maximum: 47 > + adi,reset2-keys: > + items: > + anyOf: > + - minimum: 1 > + maximum: 30 > + - minimum: 37 > + maximum: 47 > + patternProperties: > + "^gpio@": > + properties: > + reg: > + maximum: 10 > + - if: > + properties: > + compatible: > + enum: > + - adi,adp5585 > + then: > + properties: > + adi,unlock-keys: false > + adi,unlock-trigger-sec: false > + adi,rows-mask: > + maximum: 0x1f > + adi,cols-mask: > + maximum: 0x1f > + adi,reset1-keys: > + items: > + anyOf: > + - minimum: 1 > + maximum: 25 > + - enum: [37, 38, 39, 40, 41, 43, 44, 45, 46, 47] > + adi,reset2-keys: > + items: > + anyOf: > + - minimum: 1 > + maximum: 25 > + - enum: [37, 38, 39, 40, 41, 43, 44, 45, 46, 47] > + patternProperties: > + "^gpio@": > + properties: > + reg: > + enum: [0, 1, 2, 3, 4, 6, 7, 8, 9, 10] > + > +unevaluatedProperties: false > + > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/irq.h> > + #include <dt-bindings/input/input.h> > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + keys@34 { > + compatible = "adi,adp5589"; > + reg = <0x34>; > + > + vcc-supply = <&vcc>; > + interrupts = <21 IRQ_TYPE_EDGE_FALLING>; > + interrupt-parent = <&gpio>; > + > + adi,rows-mask = <0x13>; > + adi,cols-mask = <0xf>; > + > + 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(0x01, 0x00, KEY_5) > + MATRIX_KEY(0x01, 0x01, KEY_6) > + MATRIX_KEY(0x01, 0x02, KEY_7) > + MATRIX_KEY(0x01, 0x03, KEY_8) > + MATRIX_KEY(0x04, 0x00, KEY_9) > + MATRIX_KEY(0x04, 0x01, KEY_A) > + MATRIX_KEY(0x04, 0x02, KEY_B) > + MATRIX_KEY(0x04, 0x03, KEY_C) > + >; > + > + #address-cells = <1>; > + #size-cells = <0>; > + > + gpio@10 { > + reg = <10>; > + adi,pull-up-ohms = <100000>; > + }; > + }; > + }; > +... > diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml > index 7913ca9b6b54020c58e387b3618922386ce03763..35238b1d89e65bfed09e1a1a5b421a07555f6351 100644 > --- a/Documentation/devicetree/bindings/trivial-devices.yaml > +++ b/Documentation/devicetree/bindings/trivial-devices.yaml > @@ -38,12 +38,6 @@ properties: > - ad,adm9240 > # AD5110 - Nonvolatile Digital Potentiometer > - adi,ad5110 > - # Analog Devices ADP5585 Keypad Decoder and I/O Expansion > - - adi,adp5585 > - # Analog Devices ADP5585 Keypad Decoder and I/O Expansion with support for Row5 > - - adi,adp5585-02 > - # Analog Devices ADP5589 Keypad Decoder and I/O Expansion > - - adi,adp5589 > # Analog Devices LT7182S Dual Channel 6A, 20V PolyPhase Step-Down Silent Switcher > - adi,lt7182s > # AMS iAQ-Core VOC Sensor > diff --git a/MAINTAINERS b/MAINTAINERS > index a533d882b0022fd7580b829b68d846d319a4a8a7..120a1867b8f716ae11bffedab94a938c25888457 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -545,6 +545,15 @@ W: https://ez.analog.com/linux-software-drivers > F: Documentation/devicetree/bindings/input/adi,adp5588.yaml > F: drivers/input/keyboard/adp5588-keys.c > > +ADP5589 QWERTY KEYPAD AND IO EXPANDER DRIVER (ADP5589/ADP5585) > +M: Michael Hennerich <michael.hennerich@xxxxxxxxxx> > +M: Nuno Sa <nuno.sa@xxxxxxxxxx> > +S: Supported > +W: https://ez.analog.com/linux-software-drivers > +F: Documentation/devicetree/bindings/input/adi,adp5589.yaml > +F: drivers/input/keyboard/adp5589-keys.c > +F: include/linux/input/adp5589.h > + > ADP8860 BACKLIGHT DRIVER (ADP8860/ADP8861/ADP8863) > M: Michael Hennerich <michael.hennerich@xxxxxxxxxx> > S: Supported > > -- > 2.46.1 >