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[v2,1/6] dt-bindings: rtc: qcom-pm8xxx: document qcom,no-alarm flag

Message ID 20250219134118.31017-2-johan+linaro@kernel.org
State New
Headers show
Series arm64: dts: qcom: x1e80100: enable rtc | expand

Commit Message

Johan Hovold Feb. 19, 2025, 1:41 p.m. UTC 
From: Jonathan Marek <jonathan@marek.ca>

Qualcomm x1e80100 firmware sets the ownership of the RTC alarm to ADSP.
Thus writing to RTC alarm registers and receiving alarm interrupts is not
possible.

Add a qcom,no-alarm flag to support RTC on this platform.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Link: https://lore.kernel.org/r/20241015004945.3676-3-jonathan@marek.ca
[ johan: move vendor property; use boolean; reword description ]
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
 Documentation/devicetree/bindings/rtc/qcom-pm8xxx-rtc.yaml | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/rtc/qcom-pm8xxx-rtc.yaml b/Documentation/devicetree/bindings/rtc/qcom-pm8xxx-rtc.yaml
index d274bb7a534b..68ef3208c886 100644
--- a/Documentation/devicetree/bindings/rtc/qcom-pm8xxx-rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/qcom-pm8xxx-rtc.yaml
@@ -50,6 +50,11 @@  properties:
     items:
       - const: offset
 
+  qcom,no-alarm:
+    type: boolean
+    description:
+      RTC alarm is not owned by the OS
+
   wakeup-source: true
 
 required: