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dt-bindings: mfd: fsl,mc13xxx: Add buttons node

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Add a buttons node and properties describing the "ONOFD" (MC13783) and
"PWRON" (MC13892/MC34708) buttons available in the fsl,mc13xxx PMIC ICs.

Signed-off-by: Alexander Kurz <akurz@blala.de>
Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250829201517.15374-7-akurz@blala.de
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Alexander Kurz 2025-08-29 20:15:16 +00:00 • committed by Lee Jones
parent 1160f9f88b
commit 5872dcccc5
1 changed files with 70 additions and 0 deletions
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70
Documentation/devicetree/bindings/mfd/fsl,mc13xxx.yaml
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@ -39,6 +39,58 @@ properties:
interrupts:
maxItems: 1
buttons:
type: object
properties:
"#address-cells":
const: 1
"#size-cells":
const: 0
patternProperties:
"^onkey@[0-2]$":
$ref: /schemas/input/input.yaml#
unevaluatedProperties: false
type: object
properties:
reg:
description: |
One of
MC13783 BUTTON IDs:
0: ONOFD1
1: ONOFD2
2: ONOFD3
MC13892 BUTTON IDs:
0: PWRON1
1: PWRON2
2: PWRON3
MC34708 BUTTON IDs:
0: PWRON1
1: PWRON2
maximum: 2
debounce-delay-ms:
enum: [0, 30, 150, 750]
default: 30
description:
Sets the debouncing delay in milliseconds.
active-low:
description: Set active when pin is pulled low.
linux,code: true
fsl,enable-reset:
description:
Setting of the global reset option.
type: boolean
unevaluatedProperties: false
leds:
type: object
$ref: /schemas/leds/common.yaml#
@ -159,6 +211,12 @@ allOf:
const: fsl,mc34708
then:
properties:
buttons:
patternProperties:
"^onkey@[0-2]$":
properties:
reg:
maximum: 1
leds:
properties:
led-control:
@ -187,6 +245,18 @@ examples:
fsl,mc13xxx-uses-rtc;
fsl,mc13xxx-uses-adc;
buttons {
#address-cells = <1>;
#size-cells = <0>;
onkey@0 {
reg = <0>;
debounce-delay-ms = <30>;
active-low;
fsl,enable-reset;
};
};
leds {
#address-cells = <1>;
#size-cells = <0>;