Re: [PATCH v3 0/2] irqchip/mchp-eic: add driver for Microchip EIC

From: Claudiu.Beznea
Date: Fri Sep 24 2021 - 12:34:28 EST


Sorry, this had to be v4. I'll fix the versioning and re-post.

Thank you,
Claudiu Beznea

On 24.09.2021 19:28, Claudiu Beznea wrote:
> Hi,
>
> This series adds support for Microchip External Interrupt Controller
> present on SAMA7G5. The controller supports for 2 external interrupt
> lines and is connected to GIC as follows:
>
> pinX +------+ EXT_IRQ0 +------+ int 153 (for pinX) +------+
> ------>| |--------->| |------------------->| |
> pinY | PIO | EXT_IRQ1 | EIC | int 154 (for pinY) | GIC |
> ------>| |--------->| |------------------->| |
> +------+ +------+ +------+
>
> where PIO is the pin controller.
>
> Thank you,
> Claudiu Beznea
>
> Changes in v3:
> - use irq_domain_translate_twocell() instead of mchp_eic_domain_translate()
> from v2
> - use IRQCHIP_PLATFORM_DRIVER_BEGIN(), IRQCHIP_MATCH(),
> IRQCHIP_PLATFORM_DRIVER_END() instead of builtin_platform_driver()
> - register suspend/resume functins via syscore_ops; along with this
> driver private data structure (of type struct mchp_eic has been declared
> as static: struct mchp_eic *eic;)
> - collected tags
>
> Changes in v2:
> - fix compilation warning on bindings
>
> Changes in v2:
> - s/mchp/microchip in bindings
> - get rid of glitch filter settings
> - use s/eic@/interrupt-controller@ in bindings
> - removed '' around interrupts in bindings as proposed by Rob
> - removed glitch filter settings
> - switched to hierarchical irqchip driver
> - addressed review comments
> - use builtin_platform_driver instead of module_platform_driver
>
> Claudiu Beznea (2):
> dt-bindings: microchip,eic: add bindings
> irqchip/mchp-eic: add support
>
> .../interrupt-controller/microchip,eic.yaml | 73 +++++
> MAINTAINERS | 6 +
> drivers/irqchip/Kconfig | 8 +
> drivers/irqchip/Makefile | 1 +
> drivers/irqchip/irq-mchp-eic.c | 280 ++++++++++++++++++
> 5 files changed, 368 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/interrupt-controller/microchip,eic.yaml
> create mode 100644 drivers/irqchip/irq-mchp-eic.c
>