From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 11 Apr 2024 10:27:49 +0200
Subject: Adding upstream version 6.6.15.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 Documentation/devicetree/bindings/rtc/s3c-rtc.yaml | 91 ++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/s3c-rtc.yaml

(limited to 'Documentation/devicetree/bindings/rtc/s3c-rtc.yaml')

diff --git a/Documentation/devicetree/bindings/rtc/s3c-rtc.yaml b/Documentation/devicetree/bindings/rtc/s3c-rtc.yaml
new file mode 100644
index 0000000000..d51b236939
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/s3c-rtc.yaml
@@ -0,0 +1,91 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/s3c-rtc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung S3C, S5P and Exynos Real Time Clock controller
+
+maintainers:
+  - Krzysztof Kozlowski <krzk@kernel.org>
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - samsung,s3c2410-rtc
+          - samsung,s3c2416-rtc
+          - samsung,s3c2443-rtc
+          - samsung,s3c6410-rtc
+      - const: samsung,exynos3250-rtc
+        deprecated: true
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    description:
+      Must contain a list of phandle and clock specifier for the rtc
+      clock and in the case of a s3c6410 compatible controller, also
+      a source clock.
+    minItems: 1
+    maxItems: 2
+
+  clock-names:
+    description:
+      Must contain "rtc" and for a s3c6410 compatible controller
+      also "rtc_src".
+    minItems: 1
+    maxItems: 2
+
+  interrupts:
+    description:
+      Two interrupt numbers to the cpu should be specified. First
+      interrupt number is the rtc alarm interrupt and second interrupt number
+      is the rtc tick interrupt. The number of cells representing a interrupt
+      depends on the parent interrupt controller.
+    minItems: 2
+    maxItems: 2
+
+allOf:
+  - $ref: rtc.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - samsung,s3c6410-rtc
+              - samsung,exynos3250-rtc
+    then:
+      properties:
+        clocks:
+          minItems: 2
+          maxItems: 2
+        clock-names:
+          items:
+            - const: rtc
+            - const: rtc_src
+    else:
+      properties:
+        clocks:
+          minItems: 1
+          maxItems: 1
+        clock-names:
+          items:
+            - const: rtc
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/exynos5420.h>
+    #include <dt-bindings/clock/samsung,s2mps11.h>
+
+    rtc@10070000 {
+        compatible = "samsung,s3c6410-rtc";
+        reg = <0x10070000 0x100>;
+        interrupts = <0 44 4>, <0 45 4>;
+        clocks = <&clock CLK_RTC>,
+                 <&s2mps11_osc S2MPS11_CLK_AP>;
+        clock-names = "rtc", "rtc_src";
+    };
-- 
cgit v1.2.3