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| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2020-03-25 11:54:58 +0800 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2020-03-25 10:57:15 +0100 |
| commit | 5ef7ce7e81bbc1788a7e24d067f34f591a9508f1 (patch) | |
| tree | e539a484bb7c40374aca3d43948aad6c9b137ef2 /Documentation/devicetree/bindings/interrupt-controller | |
| parent | a93f1d903fa34fc2c5d9fa450bdb6c28d6fdfe00 (diff) | |
| download | linux-5ef7ce7e81bbc1788a7e24d067f34f591a9508f1.tar.bz2 | |
dt-bindings: interrupt-controller: Add Loongson-3 HTPIC
Document Loongson-3 HyperTransport PIC controller.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Co-developed-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'Documentation/devicetree/bindings/interrupt-controller')
| -rw-r--r-- | Documentation/devicetree/bindings/interrupt-controller/loongson,htpic.yaml | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongson,htpic.yaml b/Documentation/devicetree/bindings/interrupt-controller/loongson,htpic.yaml new file mode 100644 index 000000000000..c8861cbbb8b5 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/loongson,htpic.yaml @@ -0,0 +1,59 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/interrupt-controller/loongson,htpic.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Loongson-3 HyperTransport Interrupt Controller + +maintainers: + - Jiaxun Yang <jiaxun.yang@flygoat.com> + +allOf: + - $ref: /schemas/interrupt-controller.yaml# + +description: | + This interrupt controller is found in the Loongson-3 family of chips to transmit + interrupts from PCH PIC connected on HyperTransport bus. + +properties: + compatible: + const: loongson,htpic-1.0 + + reg: + maxItems: 1 + + interrupts: + minItems: 1 + maxItems: 4 + description: | + Four parent interrupts that receive chained interrupts. + + 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@1fb000080 { + compatible = "loongson,htintc-1.0"; + reg = <0xfb000080 0x40>; + interrupt-controller; + #interrupt-cells = <1>; + + interrupt-parent = <&liointc>; + interrupts = <24 IRQ_TYPE_LEVEL_HIGH>, + <25 IRQ_TYPE_LEVEL_HIGH>, + <26 IRQ_TYPE_LEVEL_HIGH>, + <27 IRQ_TYPE_LEVEL_HIGH>; + }; +... |