[PATCH v3 5/6] dt-bindings: mfd: max77620: document optional RTC address for MAX77663

Svyatoslav Ryhel
2026-03-06T13:34:22Z

Document an optional second I2C address for the MAX77663 PMIC's RTC
device, to be used if the MAX77663 RTC is located at a non-default I2C
address.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
---
.../bindings/mfd/maxim,max77620.yaml | 22 ++++++++++++++++++-
1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/maxim,max77620.yaml b/Documentation/devicetree/bindings/mfd/maxim,max77620.yaml
index 42cbad56595f..246c7f9e572d 100644
--- a/Documentation/devicetree/bindings/mfd/maxim,max77620.yaml
+++ b/Documentation/devicetree/bindings/mfd/maxim,max77620.yaml
@@ -17,7 +17,17 @@ properties:
- maxim,max77663

reg:
- maxItems: 1
+ description:
+ Can contain an optional second I2C address pointing to the PMIC's
+ RTC device. If no RTC address is provided, a default address specific
+ to this PMIC will be used.
+ minItems: 1
+ maxItems: 2
+
+ reg-names:
+ items:
+ - const: pmic
+ - const: rtc

interrupts:
maxItems: 1
@@ -192,6 +202,16 @@ allOf:
maxim,suspend-fps-time-period-us:
enum: [40, 80, 160, 320, 640, 1280, 2560, 5120]

+ - if:
+ properties:
+ compatible:
+ not:
+ contains:
+ const: maxim,max77663
+ then:
+ properties:
+ reg-names: false
+
required:
- compatible
- reg
--
2.51.0