summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/watchdog/st,stm32-iwdg.yaml
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/watchdog/st,stm32-iwdg.yaml')
-rw-r--r--Documentation/devicetree/bindings/watchdog/st,stm32-iwdg.yaml57
1 files changed, 57 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 000000000000..a27c504e2e4f
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/st,stm32-iwdg.yaml
@@ -0,0 +1,57 @@
+# 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) bindings
+
+maintainers:
+ - Yannick Fertre <yannick.fertre@st.com>
+ - Christophe Roullier <christophe.roullier@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
+ maxItems: 2
+
+ clock-names:
+ items:
+ enum:
+ - lsi
+ - pclk
+ minItems: 1
+ maxItems: 2
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+
+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>;
+ };
+
+...