diff options
| author | Icenowy Zheng <zhengxingda@iscas.ac.cn> | 2026-03-21 17:20:29 +0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@kernel.org> | 2026-03-26 16:15:03 +0100 |
| commit | 41bf87bcac02cd788d4325415d4b2e31bf2a694d (patch) | |
| tree | f43fd42b9733a9dd3959c55d27c0f9369c0cdcb5 | |
| parent | dc30127cd050dbc9d8452846ee7fa6692a1093d2 (diff) | |
dt-bindings: interrupt-controller: Add LS7A PCH LPC
Loongson 7A series PCH contains an LPC controller with an interrupt
controller.
Add the device tree binding for the interrupt controller.
Signed-off-by: Icenowy Zheng <zhengxingda@iscas.ac.cn>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260321092032.3502701-4-zhengxingda@iscas.ac.cn
| -rw-r--r-- | Documentation/devicetree/bindings/interrupt-controller/loongson,pch-lpc.yaml | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-lpc.yaml b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-lpc.yaml new file mode 100644 index 000000000000..ff2a425b6f0b --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-lpc.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/loongson,pch-lpc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Loongson PCH LPC Controller + +maintainers: + - Jiaxun Yang <jiaxun.yang@flygoat.com> + +description: + This interrupt controller is found in the Loongson LS7A family of PCH for + accepting interrupts sent by LPC-connected peripherals and signalling PIC + via a single interrupt line when interrupts are available. + +properties: + compatible: + const: loongson,ls7a-lpc + + reg: + maxItems: 1 + + interrupt-controller: true + + interrupts: + maxItems: 1 + + '#interrupt-cells': + const: 2 + +required: + - compatible + - reg + - interrupt-controller + - interrupts + - '#interrupt-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + lpc: interrupt-controller@10002000 { + compatible = "loongson,ls7a-lpc"; + reg = <0x10002000 0x400>; + interrupt-controller; + #interrupt-cells = <2>; + interrupt-parent = <&pic>; + interrupts = <19 IRQ_TYPE_LEVEL_HIGH>; + }; +... |