dt-bindings: rtc: Add Sunplus RTC json-schema
Add Sunplus RTC json-schema
Signed-off-by: Vincent Shih <vincent.sunplus@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/1638517579-10316-3-git-send-email-vincent.sunplus@gamil.com
diff --git a/Documentation/devicetree/bindings/rtc/sunplus,sp7021-rtc.yaml b/Documentation/devicetree/bindings/rtc/sunplus,sp7021-rtc.yaml
new file mode 100644
index 0000000..fd1b3e7
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/sunplus,sp7021-rtc.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) Sunplus Co., Ltd. 2021
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/sunplus,sp7021-rtc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sunplus SP7021 Real Time Clock controller
+
+maintainers:
+ - Vincent Shih <vincent.sunplus@gmail.com>
+
+properties:
+ compatible:
+ const: sunplus,sp7021-rtc
+
+ reg:
+ maxItems: 1
+
+ reg-names:
+ items:
+ - const: rtc
+
+ clocks:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - clocks
+ - resets
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ rtc: serial@9c003a00 {
+ compatible = "sunplus,sp7021-rtc";
+ reg = <0x9c003a00 0x80>;
+ reg-names = "rtc";
+ clocks = <&clkc 0x12>;
+ resets = <&rstc 0x02>;
+ interrupt-parent = <&intc>;
+ interrupts = <163 IRQ_TYPE_EDGE_RISING>;
+ };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index fbafc10..b85f0a1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -18220,6 +18220,7 @@
M: Vincent Shih <vincent.sunplus@gmail.com>
L: linux-rtc@vger.kernel.org
S: Maintained
+F: Documentation/devicetree/bindings/rtc/sunplus,sp7021-rtc.yaml
F: drivers/rtc/rtc-sunplus.c
SUPERH