On Wed, 04 Aug 2021 14:29:10 +0100,
Kishon Vijay Abraham I <kishon@xxxxxx> wrote:
>
> Add bindings to specify interrupt controller for legacy interrupts.
>
> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
> ---
> .../bindings/pci/ti,j721e-pci-host.yaml | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
> index cc900202df29..f461d7b4c0cc 100644
> --- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
> +++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
> @@ -74,6 +74,11 @@ properties:
>
> msi-map: true
>
> +patternProperties:
> + "interrupt-controller":
> + type: object
> + description: interrupt controller to handle legacy interrupts.
> +
> required:
> - compatible
> - reg
> @@ -97,6 +102,8 @@ unevaluatedProperties: false
>
> examples:
> - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> #include <dt-bindings/soc/ti,sci_pm_domain.h>
> #include <dt-bindings/gpio/gpio.h>
>
> @@ -131,5 +138,13 @@ examples:
> ranges = <0x01000000 0x0 0x10001000 0x00 0x10001000 0x0 0x0010000>,
> <0x02000000 0x0 0x10011000 0x00 0x10011000 0x0 0x7fef000>;
> dma-ranges = <0x02000000 0x0 0x0 0x0 0x0 0x10000 0x0>;
> +
> +
> + pcie0_intc: interrupt-controller {
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + interrupt-parent = <&gic500>;
> + interrupts = <GIC_SPI 312 IRQ_TYPE_EDGE_RISING>;
Are you sure about the edge signalling? How is the interrupt
retriggered when the input is still high, which could well be the case
for shared INTx?
Thanks,
M.
--
Without deviation from the norm, progress is not possible.
