Add the Loongson-2 High Precision Event Timer (HPET) binding
with DT schema format using json-schema.
Signed-off-by: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
Change in v8:
1. This patch need rely on clock patch, which patchwork
link was "https://patchwork.kernel.org/project/linux-clk/list/?series=691497";.
2. Add all history change log information.
Change in v7:
1. NO change, but other patch in this series of patches set
has changes.
Change in v6:
1. NO change, but other patch in this series of patches set
has changes.
Change in v5:
1. Replace string loongson2/Loongson2 with Loongson-2/loongson-2.
2. Add the patch review information.
Change in v4:
1. Fixup the clock-names that replace apb-clk with apb.
2. This patch need rely on clock patch, which patchwork
link was "https://patchwork.kernel.org/project/linux-clk/list/?series=688892";.
Change in v3:
1. Update dts that base on common clock framework.
Change in v2:
1. Drop the "hpet0" label.
2. Modify the hpet node name to timer.
.../bindings/timer/loongson,ls2k-hpet.yaml | 50 +++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 51 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..30685c8fbead
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/loongson,ls2k-hpet.yaml
@@ -0,0 +1,50 @@
+# 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: Loongson-2 High Precision Event Timer (HPET)
+
+maintainers:
+ - Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>
+
+properties:
+ compatible:
+ const: loongson,ls2k-hpet
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: SoC apb clock
+
+ clock-names:
+ items:
+ - const: apb
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/loongson,ls2k-clk.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ timer@1fe24000 {
+ compatible = "loongson,ls2k-hpet";
+ reg = <0x1fe24000 0x15f>;
+ clocks = <&clk LOONGSON2_APB_CLK>;
+ clock-names = "apb";
+ interrupt-parent = <&liointc0>;
+ interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 52519695a458..939af260fe0f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12030,6 +12030,7 @@ LOONGSON-2 SOC SERIES HPET DRIVER
M: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>
L: linux-kernel@xxxxxxxxxxxxxxx
S: Maintained
+F: Documentation/devicetree/bindings/timer/loongson,ls2k-hpet.yaml
F: drivers/clocksource/loongson2_hpet.c
LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI)
--
2.33.0
