irqchip/renesas-rzv2h: Add support to handle ICU error IRQ and add SWPE trigger

From:		Prabhakar <prabhakar.csengg-AT-gmail.com>
To:		Thomas Gleixner <tglx-AT-kernel.org>, Philipp Zabel <p.zabel-AT-pengutronix.de>, Geert Uytterhoeven <geert+renesas-AT-glider.be>, Magnus Damm <magnus.damm-AT-gmail.com>
Subject:		[PATCH v2 0/6] irqchip/renesas-rzv2h: Add support to handle ICU error IRQ and add SWPE trigger
Date:		Tue, 03 Feb 2026 23:18:17 +0000
Message-ID:		<20260203231823.208661-1-prabhakar.mahadev-lad.rj@bp.renesas.com>
Cc:		linux-kernel-AT-vger.kernel.org, linux-renesas-soc-AT-vger.kernel.org, Prabhakar <prabhakar.csengg-AT-gmail.com>, Biju Das <biju.das.jz-AT-bp.renesas.com>, Fabrizio Castro <fabrizio.castro.jz-AT-renesas.com>, Lad Prabhakar <prabhakar.mahadev-lad.rj-AT-bp.renesas.com>
Archive-link:		Article

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Hi All,

This patch series aims to enhance the Renesas RZ/V2H ICU irqchip driver by
adding support to handle ICU error IRQs and introducing a software
generated interrupts using SWPE and SWINT. The series includes the
following changes:
1. Use local node pointer
2. Use local device pointer in ICU probe
3. Switch to using dev_err_probe()
4. Make IRQ type handling range-aware
5. Add CA55 software interrupt support
6. Handle ICU error IRQ and add SWPE trigger

v1->v2:
- No changes for patches 1-3.
- Patch 4 is a new patch.
- Patch 5
  - Made CA55 SW interrupt as part of ICU IRQ domain.
  - Implemented rzv2h_icu_irq_set_irqchip_state() to trigger SWINT.
  - Updated commit message accordingly.
- Patch 6
  - Made Error interrupt as part of ICU IRQ domain.
  - Updated rzv2h_icu_irq_set_irqchip_state() to trigger pseudo interrupt.
  - Updated commit message accordingly.

Cheers,
Prabhakar

Lad Prabhakar (6):
  irqchip/renesas-rzv2h: Use local node pointer
  irqchip/renesas-rzv2h: Use local device pointer in ICU probe
  irqchip/renesas-rzv2h: Switch to using dev_err_probe()
  irqchip/renesas-rzv2h: Make IRQ type handling range-aware
  irqchip/renesas-rzv2h: Add CA55 software interrupt support
  irqchip/renesas-rzv2h: Handle ICU error IRQ and add SWPE trigger

 drivers/irqchip/irq-renesas-rzv2h.c | 336 +++++++++++++++++++++++-----
 1 file changed, 284 insertions(+), 52 deletions(-)

-- 
2.52.0