linux-kernel - [PATCH v2 0/5] Add IAX45 support for RZ/Five SoC

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Date: Wed,  3 Apr 2024 21:34:58 +0100
From: Prabhakar <prabhakar.csengg@...il.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>,
	Thomas Gleixner <tglx@...utronix.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Magnus Damm <magnus.damm@...il.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>
Cc: linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	Prabhakar <prabhakar.csengg@...il.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH v2 0/5] Add IAX45 support for RZ/Five SoC

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

Hi All,

The IAX45 block on RZ/Five SoC is almost identical to the IRQC bock found
on the RZ/G2L family of SoCs.

IAX45 performs various interrupt controls including synchronization for the
external interrupts of NMI, IRQ, and GPIOINT and the interrupts of the
built-in peripheral interrupts output by each module. And it notifies the
interrupt to the PLIC.
- Select 32 TINT from 82 GPIOINT.
- Integration of bus error interrupts from system bus.
- Integration of ECC error interrupts from On-chip RAM.
- Indicate interrupt status. (NMI, IRQ, TINT, integrated bus error interrupt
  and integrated ECC error interrupt)
- Setting of interrupt detection method. (NMI, IRQ and TINT)
- All interrupts are masked by INTMASK.
- Mask function for NMI, IRQ and TINT

This patch series adds support for IAX45 in the IRQC driver and enables this
on RZ/Five SoC.

v1: https://patchwork.kernel.org/project/linux-renesas-soc/cover/20240129151618.90922-1-prabhakar.mahadev-lad.rj@bp.renesas.com/

Cheers,
Prabhakar

Lad Prabhakar (5):
  dt-bindings: interrupt-controller: renesas,rzg2l-irqc: Document
    RZ/Five SoC
  irqchip/renesas-rzg2l: Add support for RZ/Five SoC
  riscv: dts: renesas: r9a07g043f: Add IRQC node to RZ/Five SoC DTSI
  arm64: dts: renesas: r9a07g043: Move interrupt-parent property to
    common DTSI
  riscv: dts: renesas: rzfive-smarc-som: Drop deleting interrupt
    properties from ETH0/1 nodes

 .../renesas,rzg2l-irqc.yaml                   |  17 ++-
 arch/arm64/boot/dts/renesas/r9a07g043.dtsi    |   1 +
 arch/arm64/boot/dts/renesas/r9a07g043u.dtsi   |   4 -
 arch/riscv/boot/dts/renesas/r9a07g043f.dtsi   |  75 ++++++++++
 .../boot/dts/renesas/rzfive-smarc-som.dtsi    |  16 --
 drivers/irqchip/irq-renesas-rzg2l.c           | 137 +++++++++++++++++-
 6 files changed, 218 insertions(+), 32 deletions(-)

-- 
2.34.1