This adds the documentation for the devicetree bindings of the Sunplus SP7021 watchdog driver, found from SP7021 SoCs and newer. Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> Signed-off-by: Xiantao Hu <xt.hu@xxxxxxxxxxx> --- Changes in v8: - Addressed all comments from Krzysztof Kozlowski. 1.fix the title. 2.fix the lowercase hex in examples. .../bindings/watchdog/sunplus,sp7021-wdt.yaml | 47 +++++++++++++++++++ MAINTAINERS | 6 +++ 2 files changed, 53 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..d90271013 --- /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 + +maintainers: + - XianTao Hu <xt.hu@xxxxxxxxxxx> + +allOf: + - $ref: watchdog.yaml# + +properties: + compatible: + const: sunplus,sp7021-wdt + + reg: + items: + - description: watchdog registers regions + - description: miscellaneous control registers regions + + 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 cd0f68d4a..efdc618a0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -18544,6 +18544,12 @@ S: Maintained F: Documentation/devicetree/bindings/rtc/sunplus,sp7021-rtc.yaml F: drivers/rtc/rtc-sunplus.c +SUNPLUS WATCHDOG DRIVER +M: Xiantao Hu <xt.hu@xxxxxxxxxxx> +L: linux-watchdog@xxxxxxxxxxxxxxx +S: Maintained +F: Documentation/devicetree/bindings/watchdog/sunplus,sp7021-wdt.yaml + SUPERH M: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx> M: Rich Felker <dalias@xxxxxxxx> -- 2.33.1
