From 0d069bb381839ba252ecca4031f7eb6f2fc72ab4 Mon Sep 17 00:00:00 2001 From: "Christophe Leroy (CS GROUP)" Date: Wed, 7 Jan 2026 17:59:10 +0100 Subject: [PATCH] dt-bindings: soc: fsl: qe: Add an interrupt controller for QUICC Engine Ports The QUICC Engine provides interrupts for a few I/O ports. This is handled via a separate interrupt ID and managed via a triplet of dedicated registers hosted by the SoC. Implement an interrupt driver for it so that those IRQs can then be linked to the related GPIOs. Acked-by: Conor Dooley Link: https://lore.kernel.org/r/7708243d6cca21004de8b3da87369c06dbee3848.1767804922.git.chleroy@kernel.org Signed-off-by: Christophe Leroy (CS GROUP) [moved from bindings/soc/fsl/cpm_qe/ to bindings/interrupt-controller/ while applying] --- .../interrupt-controller/fsl,qe-ports-ic.yaml | 51 +++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/fsl,qe-ports-ic.yaml diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,qe-ports-ic.yaml b/Documentation/devicetree/bindings/interrupt-controller/fsl,qe-ports-ic.yaml new file mode 100644 index 0000000000000..2b8e7b9c6d7a4 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,qe-ports-ic.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/fsl,qe-ports-ic.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale QUICC Engine I/O Ports Interrupt Controller + +maintainers: + - Christophe Leroy (CS GROUP) + +properties: + compatible: + enum: + - fsl,mpc8323-qe-ports-ic + + reg: + maxItems: 1 + + interrupt-controller: true + + '#address-cells': + const: 0 + + '#interrupt-cells': + const: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupt-controller + - '#address-cells' + - '#interrupt-cells' + - interrupts + +additionalProperties: false + +examples: + - | + interrupt-controller@c00 { + compatible = "fsl,mpc8323-qe-ports-ic"; + reg = <0xc00 0x18>; + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <1>; + interrupts = <74 0x8>; + interrupt-parent = <&ipic>; + }; -- 2.47.3