[PATCH 0/2] arm64: dts: renesas: r8a779g0: Add DMA and MSIOF support

[Geert Uytterhoeven]

	Hi all,

This patch series adds support for DMA on the R-Car V4H SoC, to be used
(for now) by:
  - I2C,
  - the HSCIF0 serial port,
  - the newly-added MSIOF SPI support.

HSCIF0 DMA was tested on the White Hawk development board by removing
the uart_console() check from sci_request_dma().
MSIOF1 and MSIOF2 were tested on the MSIOF Pin Headers on the White Hawk
development board using a logic analyzer, and internal and external
loopback with the spi-loopback-test module, cfr. the DT overlays at [1].
Unfortunately I don't know how to test I2C DMA: all transfers used by
the AT24 EEPROM driver seem to be either too small, or unsafe for DMA.
Anyone who knows a good test client?

I plan to queue these in renesas-devel-for-v6.2.

Thanks!

[1] https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git/commit/?h=topic/renesas-overlays&id=88f65e516d426aaa105416557f8157a38147cb21

Geert Uytterhoeven (2):
  arm64: dts: renesas: r8a779g0: Add DMA support
  arm64: dts: renesas: r8a779g0: Add MSIOF nodes

 arch/arm64/boot/dts/renesas/r8a779g0.dtsi | 187 ++++++++++++++++++++++
 1 file changed, 187 insertions(+)

-- 
2.25.1

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds