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Subject[PATCH v3 1/2] dt-bindings: watchdog: Add bindings doc for Sunplus SP7021
Date
Add bindings documentation for Sunplus SP7021 SoC.

Signed-off-by: Xiantao Hu <xt.hu@cqplus1.com>
---
Changes in v3:
- removed second reg source. The registers are not used in the driver.

.../bindings/watchdog/sunplus,sp7021-wdt.yaml | 45 +++++++++++++++++++
MAINTAINERS | 6 +++
2 files changed, 51 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..033e2f599
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/sunplus,sp7021-wdt.yaml
@@ -0,0 +1,45 @@
+# 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:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - resets
+
+additionalProperties: false
+
+examples:
+ - |
+ watchdog: watchdog@9c000630 {
+ compatible = "sunplus,sp7021-wdt";
+ reg = <0x9c000630 0x08>;
+ clocks = <&clkc 0x24>;
+ resets = <&rstc 0x14>;
+ };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index e0bca0de0..c2ba65155 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -17933,6 +17933,12 @@ L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/dlink/sundance.c

+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
+
SUPERH
M: Yoshinori Sato <ysato@users.sourceforge.jp>
M: Rich Felker <dalias@libc.org>
--
2.33.1
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