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Diffstat (limited to 'Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt')
-rw-r--r-- | Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt deleted file mode 100644 index 30a79da9c039..000000000000 --- a/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt +++ /dev/null @@ -1,65 +0,0 @@ -ARM Freescale DSPI controller - -Required properties: -- compatible : must be one of: - "fsl,vf610-dspi", - "fsl,ls1021a-v1.0-dspi", - "fsl,ls1012a-dspi" (optionally followed by "fsl,ls1021a-v1.0-dspi"), - "fsl,ls1028a-dspi", - "fsl,ls1043a-dspi" (optionally followed by "fsl,ls1021a-v1.0-dspi"), - "fsl,ls1046a-dspi" (optionally followed by "fsl,ls1021a-v1.0-dspi"), - "fsl,ls1088a-dspi" (optionally followed by "fsl,ls1021a-v1.0-dspi"), - "fsl,ls2080a-dspi" (optionally followed by "fsl,ls2085a-dspi"), - "fsl,ls2085a-dspi", - "fsl,lx2160a-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. -- clock-names: from common clock binding: Shall be "dspi". -- pinctrl-0: pin control group to be used for this controller. -- pinctrl-names: must contain a "default" entry. -- spi-num-chipselects : the number of the chipselect signals. - -Optional property: -- big-endian: If present the dspi device's registers are implemented - in big endian mode. -- bus-num : the slave chip chipselect signal number. - -Optional SPI slave node properties: -- fsl,spi-cs-sck-delay: a delay in nanoseconds between activating chip - select and the start of clock signal, at the start of a transfer. -- fsl,spi-sck-cs-delay: a delay in nanoseconds between stopping the clock - signal and deactivating chip select, at the end of a transfer. - -Example: - -dspi0@4002c000 { - #address-cells = <1>; - #size-cells = <0>; - compatible = "fsl,vf610-dspi"; - reg = <0x4002c000 0x1000>; - interrupts = <0 67 0x04>; - clocks = <&clks VF610_CLK_DSPI0>; - clock-names = "dspi"; - spi-num-chipselects = <5>; - bus-num = <0>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_dspi0_1>; - big-endian; - - sflash: at26df081a@0 { - #address-cells = <1>; - #size-cells = <1>; - compatible = "atmel,at26df081a"; - spi-max-frequency = <16000000>; - spi-cpol; - spi-cpha; - reg = <0>; - linux,modalias = "m25p80"; - modal = "at26df081a"; - fsl,spi-cs-sck-delay = <100>; - fsl,spi-sck-cs-delay = <50>; - }; -}; - - |