[PATCH v2 5/5] dt-bindings: soc: fsl: qe: Add an interrupt controller for QUICC Engine Ports
Conor Dooley
conor at kernel.org
Tue Aug 19 03:06:33 AEST 2025
On Mon, Aug 18, 2025 at 10:45:58AM +0200, Christophe Leroy wrote:
> 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 for that those IRQs can then
> be linked to the related GPIOs.
>
> Signed-off-by: Christophe Leroy <christophe.leroy at csgroup.eu>
> ---
> v2: Fixed problems reported by 'make dt_binding_check'
> ---
> .../soc/fsl/cpm_qe/fsl,qe-ports-ic.yaml | 58 +++++++++++++++++++
> 1 file changed, 58 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qe-ports-ic.yaml
>
> diff --git a/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qe-ports-ic.yaml b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qe-ports-ic.yaml
> new file mode 100644
> index 000000000000..b7c74c66347c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qe-ports-ic.yaml
> @@ -0,0 +1,58 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soc/fsl/cpm_qe/fsl,qe-ports-ic.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale QUICC Engine I/O Ports Interrupt Controller
> +
> +maintainers:
> + - Christophe Leroy <christophe.leroy at csgroup.eu>
> +
> +description:
> + Interrupt controller for the QUICC Engine I/O ports found on some Freescale/NXP PowerQUICC and QorIQ SoCs.
> +
> +properties:
> + compatible:
> + enum:
> + - fsl,mpc8323-qe-ports-ic
> + - fsl,mpc8360-qe-ports-ic
> + - fsl,mpc8568-qe-ports-ic
> +
> + reg:
> + maxItems: 1
> + description: Base address and size of the QE I/O Ports Interrupt Controller registers.
> +
> + interrupt-controller: true
> +
> + '#address-cells':
> + const: 0
> +
> + '#interrupt-cells':
> + const: 1
> +
> + interrupts:
> + maxItems: 1
> + description: Interrupt line to which the QE I/O Ports controller is connected.
> +
> +required:
> + - compatible
> + - reg
> + - interrupt-controller
> + - '#address-cells'
> + - '#interrupt-cells'
> + - interrupts
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + interrupt-controller at c00 {
> + interrupt-controller;
> + compatible = "fsl,mpc8323-qe-ports-ic";
> + #address-cells = <0>;
> + #interrupt-cells = <1>;
> + reg = <0xc00 0x18>;
Your property order here is kinda wacky, please stick to the documented
order in dts-coding-style.rst.
Otherwise, this seems okay although I think the descriptions for
single-item properties could be removed. With the ordering fixed:
Acked-by: Conor Dooley <conor.dooley at microchip.com>
> + interrupts = <74 0x8>;
> + interrupt-parent = <&ipic>;
> + };
> --
> 2.49.0
>
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