diff mbox series

[v1,3/4] dt-binding: watchdog: add bootstatus reset type documentation

Message ID 20200301094040.123189-4-tmaimon77@gmail.com
State New
Headers show
Series [v1,1/4] dt-binding: watchdog: add restart priority documentation | expand

Commit Message

Tomer Maimon March 1, 2020, 9:40 a.m. UTC 
Add device tree three bootstatus reset types documentation.

Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
---
 .../bindings/watchdog/nuvoton,npcm-wdt.txt    | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt b/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt
index 0a0f86a25eb0..836e0ac29196 100644
--- a/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt
@@ -18,6 +18,33 @@  Required clocking property, have to be one of:
 Optional properties:
 - timeout-sec : Contains the watchdog timeout in seconds
 - nuvoton,restart-priority : Contains the card restart priority.
+- nuvoton,card-reset-type : "porst|corst|wd0|wd1|wd2|sw1|sw2|sw3|sw4"
+  Contains the card reset type for checking and indicating
+  the last card reset status (WDIOF_CARDRESET)
+
+  If 'nuvoton,card-reset-type' is not specified the default is porst
+
+  Reset types:
+       - porst: Power reset
+       - corst: Core reset
+	   - wdX : Watchdog reset X (X represante 0-2)
+	   - swX : Software reset X (X represante 1-4)
+
+- nuvoton,ext1-reset-type : "porst|corst|wd0|wd1|wd2|sw1|sw2|sw3|sw4"
+  Contains the external 2 reset type for checking and indicating
+  the last external 2 reset status (WDIOF_EXTERN1)
+
+  If 'nuvoton,card-reset-type' is not specified the default is wd0.
+
+  Reset types are the same as in nuvoton,card-reset-type property.
+
+- nuvoton,ext2-reset-type : "porst|corst|wd0|wd1|wd2|sw1|sw2|sw3|sw4"
+  Contains the external 2 reset type for checking and indicating
+  the last external 2 reset status (WDIOF_EXTERN2)
+
+  If 'nuvoton,card-reset-type' is not specified the default is sw1.
+
+  Reset types are the same as in nuvoton,card-reset-type property.
 
 Example:
 
@@ -27,4 +54,7 @@  timer@f000801c {
     reg = <0xf000801c 0x4>;
     clocks = <&clk NPCM7XX_CLK_TIMER>;
 	nuvoton,restart-priority = <155>;
+	nuvoton,card-reset-type = "porst";
+	nuvoton,ext1-reset-type = "wd1";
+	nuvoton,ext2-reset-type = "sw2";
 };