Re: [PATCH v4 1/4] dt-bindings: timer: econet: Update EN751627 for multi-IRQ

From: Conor Dooley

Date: Sat May 16 2026 - 19:12:23 EST


On Sat, May 16, 2026 at 09:57:17PM +0000, Caleb James DeLisle wrote:
> This hardware is found in the EN751221 SoC family as well as the
> EN751627. The former uses a percpu IRQ for all timers while the
> latter uses an individual IRQ number per timer.
>
> Signed-off-by: Caleb James DeLisle <cjd@xxxxxxxx>
> Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> ---
> .../bindings/timer/econet,en751221-timer.yaml | 23 ++++++++++++++-----
> 1 file changed, 17 insertions(+), 6 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/timer/econet,en751221-timer.yaml b/Documentation/devicetree/bindings/timer/econet,en751221-timer.yaml
> index c1e7c2b6afde..16f32741473f 100644
> --- a/Documentation/devicetree/bindings/timer/econet,en751221-timer.yaml
> +++ b/Documentation/devicetree/bindings/timer/econet,en751221-timer.yaml
> @@ -12,8 +12,9 @@ maintainers:
> description:
> The EcoNet High Precision Timer (HPT) is a timer peripheral found in various
> EcoNet SoCs, including the EN751221 and EN751627 families. It provides per-VPE
> - count/compare registers and a per-CPU control register, with a single interrupt
> - line using a percpu-devid interrupt mechanism.
> + count/compare registers and a per-CPU control register. On EN751221 it uses a
> + single interrupt line using a percpu-devid interrupt mechanism, and on
> + EN751627 it uses an interrupt per VPE.
>
> properties:
> compatible:
> @@ -28,8 +29,8 @@ properties:
> maxItems: 2
>
> interrupts:
> - maxItems: 1
> - description: A percpu-devid timer interrupt shared across CPUs.
> + minItems: 1
> + maxItems: 4
>
> clocks:
> maxItems: 1
> @@ -52,21 +53,31 @@ allOf:
> items:
> - description: VPE timers 0 and 1
> - description: VPE timers 2 and 3
> + interrupts:
> + description: An interrupt for each timer (one per VPE)
> + minItems: 4
> else:
> properties:
> reg:
> items:
> - description: VPE timers 0 and 1
> + interrupts:
> + description: A percpu-devid timer interrupt shared across timers
> + maxItems: 1
>
> additionalProperties: false
>
> examples:
> - |
> + #include <dt-bindings/interrupt-controller/mips-gic.h>
> timer@1fbf0400 {
> - compatible = "econet,en751627-timer", "econet,en751221-timer";
> + compatible = "econet,en751627-timer";

This is not going to pass dt_binding_check.
Please remove my ack until this is fixed.

> reg = <0x1fbf0400 0x100>, <0x1fbe0000 0x100>;
> interrupt-parent = <&intc>;
> - interrupts = <30>;
> + interrupts = <GIC_SHARED 30 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SHARED 29 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SHARED 37 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SHARED 36 IRQ_TYPE_LEVEL_HIGH>;
> clocks = <&hpt_clock>;
> };
> - |
> --
> 2.39.5
>

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