1 files changed, 102 insertions, 0 deletions
diff --git a/dts/Bindings/rtc/rtc-ds1307.yaml b/dts/Bindings/rtc/rtc-ds1307.yaml
new file mode 100644
index 0000000000..98d10e6801
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+++ b/dts/Bindings/rtc/rtc-ds1307.yaml
@@ -0,0 +1,102 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/rtc-ds1307.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Dallas DS1307 and compatible RTC
+
+maintainers:
+  - Alexandre Belloni <alexandre.belloni@bootlin.com>
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - dallas,ds1307
+          - dallas,ds1308
+          - dallas,ds1337
+          - dallas,ds1338
+          - dallas,ds1339
+          - dallas,ds1388
+          - dallas,ds1340
+          - dallas,ds1341
+          - maxim,ds3231
+          - st,m41t0
+          - st,m41t00
+          - st,m41t11
+          - microchip,mcp7940x
+          - microchip,mcp7941x
+          - pericom,pt7c4338
+          - epson,rx8025
+          - isil,isl12057
+          - epson,rx8130
+
+      - items:
+          - enum:
+              - st,m41t00
+          - const: dallas,ds1338
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    minItems: 1
+    maxItems: 2
+
+  interrupt-names:
+    maxItems: 2
+
+  "#clock-cells":
+    const: 1
+
+  clock-output-names:
+    description: From common clock binding to override the default output clock name.
+
+  wakeup-source:
+    description: Enables wake up of host system on alarm.
+
+  vcc-supply: true
+
+allOf:
+  - $ref: rtc.yaml
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - dallas,ds1339
+              - dallas,ds1340
+              - dallas,ds1388
+    then:
+      properties:
+        trickle-resistor-ohms:
+          description: Selected resistor for trickle charger. Should be specified if trickle
+            charger should be enabled.
+          enum: [ 250, 2000, 4000 ]
+
+        trickle-diode-disable:
+          description: Do not use internal trickle charger diode. Should be given if internal
+            trickle charger diode should be disabled (superseded by aux-voltage-chargeable)
+          deprecated: true
+
+unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      rtc@68 {
+        compatible = "dallas,ds1337";
+        reg = <0x68>;
+        interrupt-parent = <&gpio4>;
+        interrupts = <20 0>;
+        trickle-resistor-ohms = <250>;
+      };
+    };