Adding upstream version 6.6.15.upstream/6.6.15

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

1 files changed, 58 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/watchdog/st,stm32-iwdg.yaml b/Documentation/devicetree/bindings/watchdog/st,stm32-iwdg.yaml
new file mode 100644
index 0000000000..6b13bfc11e
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/st,stm32-iwdg.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/st,stm32-iwdg.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: STMicroelectronics STM32 Independent WatchDoG (IWDG)
+
+maintainers:
+  - Yannick Fertre <yannick.fertre@foss.st.com>
+  - Christophe Roullier <christophe.roullier@foss.st.com>
+
+allOf:
+  - $ref: watchdog.yaml#
+
+properties:
+  compatible:
+    enum:
+      - st,stm32-iwdg
+      - st,stm32mp1-iwdg
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Low speed clock
+      - description: Optional peripheral clock
+    minItems: 1
+
+  clock-names:
+    items:
+      enum:
+        - lsi
+        - pclk
+    minItems: 1
+    maxItems: 2
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/stm32mp1-clks.h>
+    watchdog@5a002000 {
+        compatible = "st,stm32mp1-iwdg";
+        reg = <0x5a002000 0x400>;
+        clocks = <&rcc IWDG2>, <&rcc CK_LSI>;
+        clock-names = "pclk", "lsi";
+        timeout-sec = <32>;
+    };
+
+...