6 files changed, 96 insertions, 8 deletions
diff --git a/Documentation/devicetree/bindings/rtc/amlogic,a4-rtc.yaml b/Documentation/devicetree/bindings/rtc/amlogic,a4-rtc.yaml
index 5d3ac737abcb..e61f22eca85b 100644
--- a/Documentation/devicetree/bindings/rtc/amlogic,a4-rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/amlogic,a4-rtc.yaml
@@ -16,9 +16,14 @@ allOf:
 
 properties:
   compatible:
-    enum:
-      - amlogic,a4-rtc
-      - amlogic,a5-rtc
+    oneOf:
+      - enum:
+          - amlogic,a4-rtc
+          - amlogic,a5-rtc
+      - items:
+          - enum:
+              - amlogic,c3-rtc
+          - const: amlogic,a5-rtc
 
   reg:
     maxItems: 1
diff --git a/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.yaml b/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.yaml
index e88b847a1cc5..e896ba59302a 100644
--- a/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.yaml
@@ -18,7 +18,12 @@ allOf:
 
 properties:
   compatible:
-    const: nxp,lpc1788-rtc
+    oneOf:
+      - items:
+          - enum:
+              - nxp,lpc1850-rtc
+          - const: nxp,lpc1788-rtc
+      - const: nxp,lpc1788-rtc
 
   reg:
     maxItems: 1
diff --git a/Documentation/devicetree/bindings/rtc/nxp,lpc3220-rtc.yaml b/Documentation/devicetree/bindings/rtc/nxp,lpc3220-rtc.yaml
new file mode 100644
index 000000000000..53353de4cb37
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/nxp,lpc3220-rtc.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/nxp,lpc3220-rtc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP LPC32xx SoC Real-time Clock
+
+maintainers:
+  - Frank Li <Frank.Li@nxp.com>
+
+properties:
+  compatible:
+    enum:
+      - nxp,lpc3220-rtc
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  start-year: true
+
+required:
+  - compatible
+  - reg
+
+allOf:
+  - $ref: rtc.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/clock/lpc32xx-clock.h>
+
+    rtc@40024000 {
+        compatible = "nxp,lpc3220-rtc";
+        reg = <0x40024000 0x1000>;
+        interrupt-parent = <&sic1>;
+        interrupts = <20 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&clk LPC32XX_CLK_RTC>;
+    };
+
diff --git a/Documentation/devicetree/bindings/rtc/nxp,pcf85063.yaml b/Documentation/devicetree/bindings/rtc/nxp,pcf85063.yaml
index 2f892f8640d1..1e6277e524c2 100644
--- a/Documentation/devicetree/bindings/rtc/nxp,pcf85063.yaml
+++ b/Documentation/devicetree/bindings/rtc/nxp,pcf85063.yaml
@@ -12,6 +12,7 @@ maintainers:
 properties:
   compatible:
     enum:
+      - microcrystal,rv8063
       - microcrystal,rv8263
       - nxp,pcf85063
       - nxp,pcf85063a
@@ -44,13 +45,19 @@ properties:
 
   wakeup-source: true
 
+  spi-cs-high: true
+
+  spi-3wire: true
+
 allOf:
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
   - $ref: rtc.yaml#
   - if:
       properties:
         compatible:
           contains:
             enum:
+              - microcrystal,rv8063
               - microcrystal,rv8263
     then:
       properties:
@@ -65,12 +72,23 @@ allOf:
       properties:
         quartz-load-femtofarads:
           const: 7000
+  - if:
+      properties:
+        compatible:
+          not:
+            contains:
+              enum:
+                - microcrystal,rv8063
+    then:
+      properties:
+        spi-cs-high: false
+        spi-3wire: false
 
 required:
   - compatible
   - reg
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |
@@ -90,3 +108,16 @@ examples:
           };
         };
       };
+
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        rtc@0 {
+            compatible = "microcrystal,rv8063";
+            reg = <0>;
+            spi-cs-high;
+            spi-3wire;
+        };
+    };
diff --git a/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-rtc.yaml b/Documentation/devicetree/bindings/rtc/sophgo,cv1800b-rtc.yaml
index 5cf186c396c9..c695d2ff9fcc 100644
--- a/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/sophgo,cv1800b-rtc.yaml
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 %YAML 1.2
 ---
-$id: http://devicetree.org/schemas/sophgo/sophgo,cv1800b-rtc.yaml#
+$id: http://devicetree.org/schemas/rtc/sophgo,cv1800b-rtc.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
 title: Real Time Clock of the Sophgo CV1800 SoC
diff --git a/Documentation/devicetree/bindings/rtc/trivial-rtc.yaml b/Documentation/devicetree/bindings/rtc/trivial-rtc.yaml
index 7330a7200831..5e0c7cd25cc6 100644
--- a/Documentation/devicetree/bindings/rtc/trivial-rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/trivial-rtc.yaml
@@ -63,8 +63,6 @@ properties:
       - microcrystal,rv3029
       # Real Time Clock
       - microcrystal,rv8523
-      # NXP LPC32xx SoC Real-time Clock
-      - nxp,lpc3220-rtc
       # I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC
       - ricoh,r2025sd
       # I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC