From: Xingyu Chen <xingyu.chen@amlogic.com>
To: Wim Van Sebroeck <wim@linux-watchdog.org>,
Guenter Roeck <linux@roeck-us.net>,
Kevin Hilman <khilman@baylibre.com>,
Neil Armstrong <narmstrong@baylibre.com>
Cc: Qianggui Song <qianggui.song@amlogic.com>,
devicetree@vger.kernel.org, linux-watchdog@vger.kernel.org,
Jianxin Pan <jianxin.pan@amlogic.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
Jian Hu <jian.hu@amlogic.com>,
linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org,
Xingyu Chen <xingyu.chen@amlogic.com>,
Jerome Brunet <jbrunet@baylibre.com>
Subject: [PATCH v6 3/5] dt-bindings: watchdog: add new binding for meson secure watchdog
Date: Tue, 14 Jan 2020 11:45:25 +0800 [thread overview]
Message-ID: <1578973527-4759-4-git-send-email-xingyu.chen@amlogic.com> (raw)
In-Reply-To: <1578973527-4759-1-git-send-email-xingyu.chen@amlogic.com>
The binding targets the Meson-A/C series compatible SoCs, in which the
watchdog registers are in secure world.
Signed-off-by: Xingyu Chen <xingyu.chen@amlogic.com>
---
.../bindings/watchdog/amlogic,meson-sec-wdt.yaml | 40 ++++++++++++++++++++++
1 file changed, 40 insertions(+)
create mode 100644 Documentation/devicetree/bindings/watchdog/amlogic,meson-sec-wdt.yaml
diff --git a/Documentation/devicetree/bindings/watchdog/amlogic,meson-sec-wdt.yaml b/Documentation/devicetree/bindings/watchdog/amlogic,meson-sec-wdt.yaml
new file mode 100644
index 00000000..8e9d62a
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/amlogic,meson-sec-wdt.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+# Copyright (c) 2019 Amlogic, Inc
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/power/amlogic,meson-sec-wdt.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Amlogic Meson Secure Watchdog Timer
+
+maintainers:
+ - Xingyu Chen <xingyu.chen@amlogic.com>
+
+description: |+
+ Secure Watchdog Timer used in Meson-A/C series Compatible SoCs,
+ and its device node must be the child node of secure-monitor.
+
+properties:
+ compatible:
+ enum:
+ - amlogic,meson-sec-wdt
+
+ timeout-sec:
+ minimum: 1
+ maximum: 65
+ description:
+ Watchdog timeout values (in seconds)
+
+required:
+ - compatible
+
+examples:
+ - |
+ secure-monitor {
+ compatible = "amlogic,meson-gxbb-sm";
+
+ watchdog {
+ compatible = "amlogic,meson-sec-wdt";
+ timeout-sec = <60>;
+ };
+ };
--
2.7.4
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next prev parent reply other threads:[~2020-01-14 3:46 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-14 3:45 [PATCH v6 0/5] add meson secure watchdog driver Xingyu Chen
2020-01-14 3:45 ` [PATCH v6 1/5] firmware: meson_sm: add new SMC ID support for accessing secure watchdog Xingyu Chen
2020-01-14 3:45 ` [PATCH v6 2/5] firmware: meson_sm: populate platform device based on the child node Xingyu Chen
2020-01-14 3:45 ` Xingyu Chen [this message]
2020-01-14 22:22 ` [PATCH v6 3/5] dt-bindings: watchdog: add new binding for meson secure watchdog Rob Herring
2020-01-14 3:45 ` [PATCH v6 4/5] watchdog: add meson secure watchdog driver Xingyu Chen
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