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Subject[PATCH v1 2/2] dt-bindings: hpet: add loongson2k hpet binding
Date
Add the loongson2k High Precision Event Timer (HPET) binding
with DT schema format using json-schema.

Signed-off-by: Yinbo Zhu <zhuyinbo@loongson.cn>
---
.../bindings/timer/loongson,ls2k-hpet.yaml | 41 +++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 42 insertions(+)
create mode 100644 Documentation/devicetree/bindings/timer/loongson,ls2k-hpet.yaml

diff --git a/Documentation/devicetree/bindings/timer/loongson,ls2k-hpet.yaml b/Documentation/devicetree/bindings/timer/loongson,ls2k-hpet.yaml
new file mode 100644
index 000000000000..1a8785076228
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/loongson,ls2k-hpet.yaml
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/loongson,ls2k-hpet.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson2k High Precision Event Timer (HPET)
+
+maintainers:
+ - Yinbo Zhu <zhuyinbo@loongson.cn>
+
+properties:
+ compatible:
+ const: loongson,ls2k-hpet
+
+ reg:
+ maxItems: 1
+
+ clock-frequency: true
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clock-frequency
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ hpet0: hpet@1fe24000 {
+ compatible = "loongson,ls2k-hpet";
+ reg = <0x1fe24000 0x15f>;
+ clock-frequency = <125000000>;
+ interrupt-parent = <&liointc0>;
+ interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index c2e8eac61642..a162b6fba6fe 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11911,6 +11911,7 @@ LOONGSON2 SOC SERIES HPET DRIVER
M: Yinbo Zhu <zhuyinbo@loongson.cn>
L: linux-kernel@vger.kernel.org
S: Maintained
+F: Documentation/devicetree/bindings/timer/loongson,ls2k-hpet.yaml
F: drivers/clocksource/loongson2_hpet.c

LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI)
--
2.20.1
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