[v4,0/7] Add DMAC support to the RZ/V2H(P)

Message

Fabrizio Castro Feb. 20, 2025, 3:01 p.m. UTC

Dear All,

This series adds DMAC support to the Renesas RZ/V2H(P).

Cheers,
Fab

v3->v4:
* Fixed an issue with mid_rid/req_no/ack_no initialization
v2->v3:
* Replaced rzv2h_icu_register_dma_req_ack with
  rzv2h_icu_register_dma_req_ack() in ICU patch changelog
* Added dummy for rzv2h_icu_register_dma_req_ack()
* Reworked DMAC driver as per Geert's suggestions.
v1->v2:
* Improved macros in ICU driver
* Shared new macros between ICU driver and DMAC driver
* Improved dt-bindings

Fabrizio Castro (7):
  clk: renesas: r9a09g057: Add entries for the DMACs
  dt-bindings: dma: rz-dmac: Restrict properties for RZ/A1H
  dt-bindings: dma: rz-dmac: Document RZ/V2H(P) family of SoCs
  irqchip/renesas-rzv2h: Add rzv2h_icu_register_dma_req_ack()
  dmaengine: sh: rz-dmac: Allow for multiple DMACs
  dmaengine: sh: rz-dmac: Add RZ/V2H(P) support
  arm64: dts: renesas: r9a09g057: Add DMAC nodes

 .../bindings/dma/renesas,rz-dmac.yaml         | 113 ++++++++++--
 arch/arm64/boot/dts/renesas/r9a09g057.dtsi    | 165 ++++++++++++++++++
 drivers/clk/renesas/r9a09g057-cpg.c           |  24 +++
 drivers/clk/renesas/rzv2h-cpg.h               |   2 +
 drivers/dma/sh/rz-dmac.c                      | 165 ++++++++++++++++--
 drivers/irqchip/irq-renesas-rzv2h.c           |  56 ++++++
 include/linux/irqchip/irq-renesas-rzv2h.h     |  26 +++
 7 files changed, 517 insertions(+), 34 deletions(-)
 create mode 100644 include/linux/irqchip/irq-renesas-rzv2h.h