[PATCH 09/10] spi: Add SSP/SPI device tree documentation
From: marex@denx.de (Marek Vasut)
Date: 2012-07-06 06:17:28
Also in:
linux-spi
Subsystem:
open firmware and flattened device tree bindings, spi subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Mark Brown, Linus Torvalds
Signed-off-by: Marek Vasut <marex@denx.de> Cc: Chris Ball <redacted> Cc: Detlev Zundel <redacted> CC: Dong Aisheng <redacted> Cc: Fabio Estevam <redacted> Cc: Grant Likely <redacted> Cc: Linux ARM kernel <redacted> Cc: Rob Herring <redacted> CC: Shawn Guo <redacted> Cc: Stefano Babic <redacted> Cc: Wolfgang Denk <redacted> --- Documentation/devicetree/bindings/spi/mxs-spi.txt | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/mxs-spi.txt
diff --git a/Documentation/devicetree/bindings/spi/mxs-spi.txt b/Documentation/devicetree/bindings/spi/mxs-spi.txt
new file mode 100644
index 0000000..f1263a9
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/mxs-spi.txt@@ -0,0 +1,18 @@ +* Freescale MX233/MX28 SSP/SPI + +Required properties: +- compatible: Should be "fsl,<soc>-spi", where soc is "imx23" or "imx28" +- reg: Offset and length of the register set for the device +- interrupts: Should contain SSP interrupts (error irq first, dma irq second) +- fsl,ssp-dma-channel: APBX DMA channel for the SSP + +Example: + +ssp0: ssp at 80010000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx28-spi"; + reg = <0x80010000 2000>; + interrupts = <96 82>; + fsl,ssp-dma-channel = <0>; +};
--
1.7.10