Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 67 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml b/Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml
new file mode 100644
index 000000000..7742465b9
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/microchip,mfps-rtc.yaml#
+
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip PolarFire Soc (MPFS) RTC
+
+allOf:
+  - $ref: rtc.yaml#
+
+maintainers:
+  - Daire McNamara <daire.mcnamara@microchip.com>
+  - Lewis Hanly <lewis.hanly@microchip.com>
+
+properties:
+  compatible:
+    enum:
+      - microchip,mpfs-rtc
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    items:
+      - description: |
+          RTC_WAKEUP interrupt
+      - description: |
+          RTC_MATCH, asserted when the content of the Alarm register is equal
+          to that of the RTC's count register.
+
+  clocks:
+    items:
+      - description: |
+          AHB clock
+      - description: |
+          Reference clock: divided by the prescaler to create a time-based
+          strobe (typically 1 Hz) for the calendar counter. By default, the rtc
+          on the PolarFire SoC shares it's reference with MTIMER so this will
+          be a 1 MHz clock.
+
+  clock-names:
+    items:
+      - const: rtc
+      - const: rtcref
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include "dt-bindings/clock/microchip,mpfs-clock.h"
+    rtc@20124000 {
+        compatible = "microchip,mpfs-rtc";
+        reg = <0x20124000 0x1000>;
+        clocks = <&clkcfg CLK_RTC>, <&clkcfg CLK_RTCREF>;
+        clock-names = "rtc", "rtcref";
+        interrupts = <80>, <81>;
+    };
+...