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@xxxxxxxxxxx> --- .../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@xxxxxxxxxxx> + +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@xxxxxxxxxxx> L: linux-watchdog@xxxxxxxxxxxxxxx S: Maintained +F: Documentation/devicetree/bindings/watchdog/sunplus,sp7021-wdt.yaml F: drivers/watchdog/sunplus_wdt.c SUPERH -- 2.33.1
