[PATCH v2 08/19] dt-bindings: interrupt-controller: Add Loongson-3 HTINTC

From: Jiaxun Yang
Date: Thu Sep 05 2019 - 10:45:51 EST


Document Loongson-3 HyperTransport Interrupt controller.

Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
.../loongson,ls3-htintc.yaml | 55 +++++++++++++++++++
1 file changed, 55 insertions(+)
create mode 100644 Documentation/devicetree/bindings/interrupt-controller/loongson,ls3-htintc.yaml

diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongson,ls3-htintc.yaml b/Documentation/devicetree/bindings/interrupt-controller/loongson,ls3-htintc.yaml
new file mode 100644
index 000000000000..51fee46ab060
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/loongson,ls3-htintc.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/interrupt-controller/loongson,ls3-htintc.yaml#";
+$schema: "http://devicetree.org/meta-schemas/core.yaml#";
+
+title: Loongson-3 HyperTransport Interrupt Controller
+
+maintainers:
+ - Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
+
+description: |
+ This interrupt controller is found in the Loongson-3 family of chips to transfer
+ interrupts from PCH connected on HyperTransport bus.
+
+properties:
+ compatible:
+ const: loongson,ls3-htintc
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 4
+ description: |
+ Four parent interrupts that recieve chained interrupt randomly.
+
+ interrupt-controller: true
+
+ '#interrupt-cells':
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-controller
+ - '#interrupt-cells'
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ htintc: interrupt-controller@fb000080 {
+ compatible = "loongson,ls3-htintc";
+ reg = <0xfb000080 0x100>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+
+ interrupt-parent = <&iointc>;
+ interrupts = <24 IRQ_TYPE_LEVEL_HIGH>,
+ <25 IRQ_TYPE_LEVEL_HIGH>,
+ <26 IRQ_TYPE_LEVEL_HIGH>,
+ <27 IRQ_TYPE_LEVEL_HIGH>;
+ };
+...
--
2.22.0