[PATCH 09/10 RESEND] spi: Add SSP/SPI device tree documentation
From: marex@denx.de (Marek Vasut)
Date: 2012-07-24 19:43:48
Also in:
linux-spi
Dear Sergei Shtylyov,
Hello. On 07/24/2012 12:40 AM, Marek Vasut wrote:quoted
Signed-off-by: Marek Vasut <marex@denx.de> Cc: Attila Kinali <redacted> Cc: Chris Ball <redacted> CC: Dong Aisheng <redacted> Cc: Fabio Estevam <redacted> Cc: Grant Likely <redacted> Cc: Linux ARM kernel <redacted> Cc: Mark Brown <redacted> CC: Shawn Guo <redacted> --- Documentation/devicetree/bindings/spi/mxs-spi.txt | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/mxs-spi.txtdiff --git a/Documentation/devicetree/bindings/spi/mxs-spi.txtb/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 irqsecond) +- 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>;Not 0x2000?
This is actually not the first place I was curious about in the imx28 DTS ... yes, the size is 0x2000, but "2000" as is is used in multiple places across imx28. Shawn?
WBR, Sergei
Best regards, Marek Vasut