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Enable S32K3 WKPU IP block to pass interrupt trigger through GPIO #62623

Merged
merged 7 commits into from
Oct 11, 2023
Merged

Enable S32K3 WKPU IP block to pass interrupt trigger through GPIO #62623

merged 7 commits into from
Oct 11, 2023

Commits on Oct 10, 2023

  1. intc: add NXP S32 WKPU interrupt controller driver 

    Introduce an interrupt controller for the NXP S32 WKPU peripheral
that can be integrated with GPIO to trigger interrupts through
external interrupt pad inputs.

WKPU can trigger interrupts from certain input pads that support this
function, as well as wake-up events to the power management domain. This
patch only adds WKPU functionality as an interrupt controller to extend
the number of input pads that can interrupt the core. Power management
functionalities are not supported.

Signed-off-by: Manuel Argüelles <manuel.arguelles@nxp.com>
    @manuargue
    manuargue committed Oct 10, 2023
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  2. gpio: nxp_s32: prepare to support multiple interrupt controllers 

    Refactor external interrupts infrastructure to prepare supporting
multiple interrupt controllers.

Signed-off-by: Manuel Argüelles <manuel.arguelles@nxp.com>
    @manuargue
    manuargue committed Oct 10, 2023
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  3. gpio: nxp_s32: support passing external interrupts to WKPU 

    Extend the NXP S32 GPIO driver to be able to route external interrupts
to either SIUL2 EIRQ interrupt controller or, when available on the
SoC, WKPU interrupt controller.

Since WKPU can support up to 64 external interrupt sources and SIUL2
EIRQ up to 32, gpio_get_pending_int() is removed and the interrupt
controller specific API must be used instead.

Signed-off-by: Manuel Argüelles <manuel.arguelles@nxp.com>
    @manuargue
    manuargue committed Oct 10, 2023
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  4. nxp_s32k344: add external interrupts for WKPU 

    Define WKPU interrupt controller node and its respective interrupt
sources mapping to GPIO pins.

Signed-off-by: Manuel Argüelles <manuel.arguelles@nxp.com>
    @manuargue
    manuargue committed Oct 10, 2023
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  5. mr_canhubk3: document WKPU interrupt controller support 

    Enhance the documentation by providing an explanation of WKPU
interrupt controller support and how it integrates with GPIO.

Signed-off-by: Manuel Argüelles <manuel.arguelles@nxp.com>
    @manuargue
    manuargue committed Oct 10, 2023
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  6. tests: gpio_basic_api: use GPIO flags from DT 

    When configuring in/out pins for callback tests, pass the GPIO flags
coming from the in/out-gpios respective nodes.

Signed-off-by: Manuel Argüelles <manuel.arguelles@nxp.com>
    @manuargue
    manuargue committed Oct 10, 2023
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  7. tests: gpio_basic_api: add WKPU interrupts test for mr_canhubk3 

    Use the same pins as when testing with SIUL2 EIRQ interrupt
controller, but instead test routing the external interrupts
to WKPU controller.

Signed-off-by: Manuel Argüelles <manuel.arguelles@nxp.com>
    @manuargue
    manuargue committed Oct 10, 2023
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