linux-kernel - [PATCH v3 0/9] Add RZ/G3L IRQC support

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Message-ID: <20260206111658.231934-1-biju.das.jz@bp.renesas.com>
Date: Fri,  6 Feb 2026 11:16:43 +0000
From: Biju <biju.das.au@...il.com>
To: Thomas Gleixner <tglx@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>
Cc: Biju Das <biju.das.jz@...renesas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	Biju Das <biju.das.au@...il.com>
Subject: [PATCH v3 0/9] Add RZ/G3L IRQC support

From: Biju Das <biju.das.jz@...renesas.com>

The IRQC block on RZ/G3L SoC is almost identical to one found on the
RZ/G3S SoC with the difference like it support more External IRQs, GPT
Error Interrupts and also has additional registers for GPT/MTU IRQ
selection, shared IRQ selection between external IRQ and TINT.

It has 16 external interrupts of which 8 interrupts are shared with
TINT[24:31] and are mutually exclusive. The external IRQ/TINT IRQ
selection is based on a register in the ICU block.

v2->v3:
 * Dropped items and instead used enum for single compatible values
 * Add minItems for interrupts and interrupt-names properties of 
   the RZ/{G2L,G2UL,Five,V2L} SoCs
 * Replaced maxItems->minItems for interrupts and interrupt-names
   properties of the RZ/G3L SoC.
v1->v2:
 * Simplified the binding by using pattern for intterrupt-names
 * Fixed the binding warnings reported by bot.

Biju Das (9):
  dt-bindings: interrupt-controller: renesas,rzg2l-irqc: Use pattern for
    interrupt-names
  dt-bindings: interrupt-controller: renesas,rzg2l-irqc: Document RZ/G3L
    SoC
  irqchip/renesas-rzg2l: Make fwspec variable as pointer in struct
    rzg2l_irqc_priv
  irqchip/renesas-rzg2l: Drop IRQC_NUM_IRQ macro
  irqchip/renesas-rzg2l: Drop IRQC_TINT_START macro
  irqchip/renesas-rzg2l: Drop IRQC_IRQ_COUNT macro
  irqchip/renesas-rzg2l: Add RZ/G3L support
  irqchip/renesas-rzg2l: Add shared irq support
  arm64: dts: renesas: r9a08g046: Add ICU node

 .../renesas,rzg2l-irqc.yaml                   | 157 +++++--------
 arch/arm64/boot/dts/renesas/r9a08g046.dtsi    |  91 ++++++++
 drivers/irqchip/irq-renesas-rzg2l.c           | 218 +++++++++++++++---
 3 files changed, 337 insertions(+), 129 deletions(-)

-- 
2.43.0