[PATCH v2 2/2] dt-bindings: watchdog: Add Sunplus SP7021 WDT devicetree bindings documentation
From: Xiantao Hu <xt.hu@cqplus1.com>
Date: 2021-11-24 10:42:52
Also in:
linux-watchdog, lkml
Subsystem:
open firmware and flattened device tree bindings, sunplus watchdog driver, the rest, watchdog device drivers · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Xiantao Hu, Linus Torvalds, Wim Van Sebroeck, Guenter Roeck
This adds the documentation for the devicetree bindings of the Sunplus SP7021 watchdog driver, found from SP7021 SoCs and newer. Signed-off-by: Xiantao Hu <xt.hu@cqplus1.com> --- .../bindings/watchdog/sunplus,sp7021-wdt.yaml | 47 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/sunplus,sp7021-wdt.yaml
diff --git a/Documentation/devicetree/bindings/watchdog/sunplus,sp7021-wdt.yaml b/Documentation/devicetree/bindings/watchdog/sunplus,sp7021-wdt.yaml
new file mode 100644
index 000000000..bb728f298
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/sunplus,sp7021-wdt.yaml@@ -0,0 +1,47 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) Sunplus Co., Ltd. 2021 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/watchdog/sunplus,sp7021-wdt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sunplus SoCs Watchdog Device Tree Bindings + +maintainers: + - XianTao Hu <xt.hu@cqplus1.com> + +allOf: + - $ref: watchdog.yaml# + +properties: + compatible: + const: sunplus,sp7021-wdt + + reg: + items: + - description: Base address and length of the watchdog registers + - description: Base address and length of the miscellaneous control registers + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - resets + +additionalProperties: false + +examples: + - | + watchdog: watchdog@9c000630 { + compatible = "sunplus,sp7021-wdt"; + reg = <0x9c000630 0x08>, <0x9C000274 0x04>; + clocks = <&clkc 0x24>; + resets = <&rstc 0x14>; + }; +...
diff --git a/MAINTAINERS b/MAINTAINERS
index f6a328772..d51f0cb1a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS@@ -17937,6 +17937,7 @@ SUNPLUS WATCHDOG DRIVER M: Xiantao Hu <xt.hu@cqplus1.com> L: linux-watchdog@vger.kernel.org S: Maintained +F: Documentation/devicetree/bindings/watchdog/sunplus,sp7021-wdt.yaml F: drivers/watchdog/sunplus_wdt.c SUPERH
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2.33.1