diff options
Diffstat (limited to 'Documentation/devicetree/bindings/spi')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt | 5 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/spi/ti_qspi.txt | 7 |
2 files changed, 11 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt index fa77f874e321..1ad0fe310ff9 100644 --- a/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt +++ b/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt @@ -1,7 +1,10 @@ ARM Freescale DSPI controller Required properties: -- compatible : "fsl,vf610-dspi", "fsl,ls1021a-v1.0-dspi", "fsl,ls2085a-dspi" +- compatible : "fsl,vf610-dspi", "fsl,ls1021a-v1.0-dspi", + "fsl,ls2085a-dspi" + or + "fsl,ls2080a-dspi" followed by "fsl,ls2085a-dspi" - reg : Offset and length of the register set for the device - interrupts : Should contain SPI controller interrupt - clocks: from common clock binding: handle to dspi clock. diff --git a/Documentation/devicetree/bindings/spi/ti_qspi.txt b/Documentation/devicetree/bindings/spi/ti_qspi.txt index cc8304aa64ac..50b14f6b53a3 100644 --- a/Documentation/devicetree/bindings/spi/ti_qspi.txt +++ b/Documentation/devicetree/bindings/spi/ti_qspi.txt @@ -19,6 +19,13 @@ Optional properties: - syscon-chipselects: Handle to system control region contains QSPI chipselect register and offset of that register. +NOTE: TI QSPI controller requires different pinmux and IODelay +paramaters for Mode-0 and Mode-3 operations, which needs to be set up by +the bootloader (U-Boot). Default configuration only supports Mode-0 +operation. Hence, "spi-cpol" and "spi-cpha" DT properties cannot be +specified in the slave nodes of TI QSPI controller without appropriate +modification to bootloader. + Example: For am4372: |