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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /Documentation/devicetree/bindings/watchdog/marvell,cn10624-wdt.yaml
parentInitial commit. (diff)
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Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/marvell,cn10624-wdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell Global Timer (GTI) system watchdog
+
+maintainers:
+ - Bharat Bhushan <bbhushan2@marvell.com>
+
+allOf:
+ - $ref: watchdog.yaml#
+
+properties:
+ compatible:
+ oneOf:
+ - enum:
+ - marvell,cn9670-wdt
+ - marvell,cn10624-wdt
+
+ - items:
+ - enum:
+ - marvell,cn9880-wdt
+ - marvell,cnf9535-wdt
+ - const: marvell,cn9670-wdt
+
+ - items:
+ - enum:
+ - marvell,cn10308-wdt
+ - marvell,cnf10518-wdt
+ - const: marvell,cn10624-wdt
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ items:
+ - const: refclk
+
+ marvell,wdt-timer-index:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 63
+ description:
+ An SoC have many timers (up to 64), firmware can reserve one or more timer
+ for some other use case and configures one of the global timer as watchdog
+ timer. Firmware will update this field with the timer number configured
+ as watchdog timer.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ watchdog@802000040000 {
+ compatible = "marvell,cn9670-wdt";
+ reg = <0x00008020 0x00040000 0x00000000 0x00020000>;
+ interrupts = <GIC_SPI 38 IRQ_TYPE_EDGE_RISING>;
+ clocks = <&sclk>;
+ clock-names = "refclk";
+ marvell,wdt-timer-index = <63>;
+ };
+ };
+
+...