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Diffstat (limited to 'Documentation/devicetree/bindings/rtc/isil,isl1208.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/rtc/isil,isl1208.yaml | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/rtc/isil,isl1208.yaml b/Documentation/devicetree/bindings/rtc/isil,isl1208.yaml new file mode 100644 index 000000000000..565965147ce6 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/isil,isl1208.yaml @@ -0,0 +1,89 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/isil,isl1208.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Intersil ISL1209/19 I2C RTC/Alarm chip with event in + +maintainers: + - Biju Das <biju.das.jz@bp.renesas.com> + - Trent Piepho <tpiepho@gmail.com> + +description: + ISL12X9 have additional pins EVIN and EVDET for tamper detection, while the + ISL1208 and ISL1218 do not. + +properties: + compatible: + enum: + - isil,isl1208 + - isil,isl1209 + - isil,isl1218 + - isil,isl1219 + + reg: + maxItems: 1 + + interrupts: + minItems: 1 + maxItems: 2 + + interrupt-names: + minItems: 1 + items: + - const: irq + - const: evdet + + isil,ev-evienb: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [ 0, 1 ] + description: | + Enable or disable internal pull on EVIN pin + Default will leave the non-volatile configuration of the pullup + as is. + <0> : Enables internal pull-up on evin pin + <1> : Disables internal pull-up on evin pin + +required: + - compatible + - reg + +allOf: + - $ref: rtc.yaml# + - if: + properties: + compatible: + contains: + enum: + - isil,isl1209 + - isil,isl1219 + then: + properties: + interrupts: + maxItems: 2 + interrupt-names: + items: + - const: irq + - const: evdet + else: + properties: + interrupts: + maxItems: 1 + interrupt-names: + items: + - const: irq + +unevaluatedProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + rtc_twi: rtc@6f { + compatible = "isil,isl1208"; + reg = <0x6f>; + }; + }; |