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charset="utf-8" Document tamper detection property for epson,rx8901 rtc chip. Signed-off-by: Markus Burri --- .../devicetree/bindings/rtc/epson,rx8900.yaml | 40 +++++++++++++++++-- 1 file changed, 37 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/rtc/epson,rx8900.yaml b/Docu= mentation/devicetree/bindings/rtc/epson,rx8900.yaml index 03af81754482..c2e542c9bdc6 100644 --- a/Documentation/devicetree/bindings/rtc/epson,rx8900.yaml +++ b/Documentation/devicetree/bindings/rtc/epson,rx8900.yaml @@ -9,9 +9,6 @@ title: EPSON RX8900 / Microcrystal RV8803 Real-Time Clock maintainers: - Marek Vasut =20 -allOf: - - $ref: rtc.yaml# - properties: compatible: enum: @@ -33,6 +30,43 @@ properties: =20 wakeup-source: true =20 + tamper: + description: Subnode for tamper configuration. This + subnode is only available for epson,rx8901. + type: object + additionalProperties: false + properties: + buffer-mode: + description: Set the buffer mode to inhibit (0) or overwrite (1). + minimum: 0 + maximum: 1 + patternProperties: + "^evin-[0-3]$": + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 3 + maxItems: 3 + description: | + Event input pin configuration. + The configuration is an array of tree values and contains + "pull-resistore", "trigger" and "filter". + For a detaild description, see epson-rx8901 datasheet. + +allOf: + - $ref: rtc.yaml# + - if: + properties: + compatible: + contains: + enum: + - epson,rx8901 + then: + properties: + tamper: true + else: + # property is not allowed: + properties: + tamper: false + required: - compatible - reg --=20 2.39.5