The patch dt: spi: Add Renesas RZ/N1 binding documentation has been applied to the spi tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-5.5 All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark >From da182a61fce01dbd7c4a78c68a34af110f00e36f Mon Sep 17 00:00:00 2001 From: Phil Edworthy <phil.edworthy@xxxxxxxxxxx> Date: Wed, 18 Sep 2019 09:04:33 +0100 Subject: [PATCH] dt: spi: Add Renesas RZ/N1 binding documentation The Renesas RZ/N1 SPI Controller is based on the Synopsys DW SSI, but has additional registers for software CS control and DMA. This patch does not address the changes required for DMA support, it simply adds the compatible string. The CS functionality is not very useful and also not needed as Linux can use gpios for the CS signals. Add a compatible string to handle any unforeseen issues that may arise, and pave the way for DMA support. Signed-off-by: Gareth Williams <gareth.williams.jx@xxxxxxxxxxx> Signed-off-by: Phil Edworthy <phil.edworthy@xxxxxxxxxxx> Link: https://lore.kernel.org/r/1568793876-9009-2-git-send-email-gareth.williams.jx@xxxxxxxxxxx Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> --- .../devicetree/bindings/spi/renesas,rzn1-spi.txt | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/renesas,rzn1-spi.txt diff --git a/Documentation/devicetree/bindings/spi/renesas,rzn1-spi.txt b/Documentation/devicetree/bindings/spi/renesas,rzn1-spi.txt new file mode 100644 index 000000000000..fb1a6728638d --- /dev/null +++ b/Documentation/devicetree/bindings/spi/renesas,rzn1-spi.txt @@ -0,0 +1,11 @@ +Renesas RZ/N1 SPI Controller + +This controller is based on the Synopsys DW Synchronous Serial Interface and +inherits all properties defined in snps,dw-apb-ssi.txt except for the +compatible property. + +Required properties: +- compatible : The device specific string followed by the generic RZ/N1 string. + Therefore it must be one of: + "renesas,r9a06g032-spi", "renesas,rzn1-spi" + "renesas,r9a06g033-spi", "renesas,rzn1-spi" -- 2.20.1
