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2022-07-10dt-bindings: pinctrl: renesas,rzg2l-pinctrl: Document the properties to handle GPIO IRQLad Prabhakar1-0/+15
Document the required properties to handle GPIO IRQ. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220707182314.66610-6-prabhakar.mahadev-lad.rj@bp.renesas.com
2022-07-10gpio: gpiolib: Allow free() callback to be overriddenLad Prabhakar1-3/+6
Allow free() callback to be overridden from irq_domain_ops for hierarchical chips. This allows drivers to free up resources which are allocated during child_to_parent_hwirq()/populate_parent_alloc_arg() callbacks. On Renesas RZ/G2L platform a bitmap is maintained for TINT slots, a slot is allocated in child_to_parent_hwirq() callback which is freed up in free callback hence this override. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Bartosz Golaszewski <brgl@bgdev.pl> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220707182314.66610-5-prabhakar.mahadev-lad.rj@bp.renesas.com
2022-07-10irqchip: Add RZ/G2L IA55 Interrupt Controller driverLad Prabhakar3-0/+402
Add a driver for the Renesas RZ/G2L Interrupt Controller. This supports external pins being used as interrupts. It supports one line for NMI, 8 external pins and 32 GPIO pins (out of 123) to be used as IRQ lines. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220707182314.66610-4-prabhakar.mahadev-lad.rj@bp.renesas.com