[PATCH V4 1/5] dt-bindings: rtc: Remove the LS2X from the trivial RTCs

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Move Loongson RTC bindings from trivial-rtc.yaml into loongson,rtc.yaml.

Also, we will discard the use of wildcards in compatible (ls2x-rtc),
soc-based compatible is more accurate for hardware differences between
chips.

Signed-off-by: Binbin Zhou <zhoubinbin@xxxxxxxxxxx>
---
 .../devicetree/bindings/rtc/loongson,rtc.yaml | 47 +++++++++++++++++++
 .../devicetree/bindings/rtc/trivial-rtc.yaml  |  2 -
 2 files changed, 47 insertions(+), 2 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/rtc/loongson,rtc.yaml

diff --git a/Documentation/devicetree/bindings/rtc/loongson,rtc.yaml b/Documentation/devicetree/bindings/rtc/loongson,rtc.yaml
new file mode 100644
index 000000000000..68e56829e390
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/loongson,rtc.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/loongson,rtc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson Real-Time Clock
+
+maintainers:
+  - Binbin Zhou <zhoubinbin@xxxxxxxxxxx>
+
+allOf:
+  - $ref: rtc.yaml#
+
+properties:
+  compatible:
+    enum:
+      - loongson,ls1b-rtc
+      - loongson,ls1c-rtc
+      - loongson,ls7a-rtc
+      - loongson,ls2k0500-rtc
+      - loongson,ls2k1000-rtc
+      - loongson,ls2k2000-rtc
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    rtc_dev: rtc@1fe27800 {
+      compatible = "loongson,ls2k0500-rtc";
+      reg = <0x1fe27800 0x100>;
+
+      interrupt-parent = <&liointc1>;
+      interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
+    };
+
+...
diff --git a/Documentation/devicetree/bindings/rtc/trivial-rtc.yaml b/Documentation/devicetree/bindings/rtc/trivial-rtc.yaml
index a3603e638c37..9af77f21bb7f 100644
--- a/Documentation/devicetree/bindings/rtc/trivial-rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/trivial-rtc.yaml
@@ -47,8 +47,6 @@ properties:
       - isil,isl1218
       # Intersil ISL12022 Real-time Clock
       - isil,isl12022
-      # Loongson-2K Socs/LS7A bridge Real-time Clock
-      - loongson,ls2x-rtc
       # Real Time Clock Module with I2C-Bus
       - microcrystal,rv3029
       # Real Time Clock
-- 
2.39.1




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