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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: Xingyu Chen <xingyu.chen@amlogic.com>,
	Rob Herring <robh+dt@kernel.org>,
	Jerome Brunet <jbrunet@baylibre.com>,
	Qianggui Song <qianggui.song@amlogic.com>,
	Jianxin Pan <jianxin.pan@amlogic.com>,
	Jian Hu <jian.hu@amlogic.com>, <linux-watchdog@vger.kernel.org>,
	<linux-amlogic@lists.infradead.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>
Subject: [PATCH 2/4] dt-bindings: watchdog: add new binding for meson secure watchdog
Date: Sat, 12 Oct 2019 18:05:19 +0800
Message-ID: <1570874721-36077-3-git-send-email-xingyu.chen@amlogic.com> (raw)
In-Reply-To: <1570874721-36077-1-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   | 34 ++++++++++++++++++++++
 1 file changed, 34 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..0bbc807
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/amlogic,meson-sec-wdt.yaml
@@ -0,0 +1,34 @@
+# 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
+
+properties:
+  compatible:
+    enum:
+      - amlogic,meson-sec-wdt
+
+  secure-monitor:
+    description: phandle to the secure-monitor node
+    $ref: /schemas/types.yaml#/definitions/phandle
+
+required:
+  - compatible
+  - secure-monitor
+
+examples:
+  - |
+    watchdog {
+          compatible = "amlogic,meson-sec-wdt";
+          secure-monitor = <&sm>;
+    };
-- 
2.7.4


  parent reply index

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-12 10:05 [PATCH 0/4] add meson secure watchdog driver Xingyu Chen
2019-10-12 10:05 ` [PATCH 1/4] firmware: meson_sm: add new SMC ID support for accessing secure watchdog Xingyu Chen
2019-10-12 10:05 ` Xingyu Chen [this message]
2019-10-12 10:05 ` [PATCH 3/4] watchdog: add meson secure watchdog driver Xingyu Chen
2019-10-12 14:29   ` Guenter Roeck
2019-10-14 11:42     ` Xingyu Chen
2019-10-14 13:49       ` Guenter Roeck
2019-10-15  5:45         ` Xingyu Chen
2019-10-12 10:05 ` [PATCH 4/4] arm64: dts: a1: add secure watchdog controller Xingyu Chen

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