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Diffstat (limited to 'Documentation/powerpc/dts-bindings/fsl/spi.txt')
-rw-r--r-- | Documentation/powerpc/dts-bindings/fsl/spi.txt | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/Documentation/powerpc/dts-bindings/fsl/spi.txt b/Documentation/powerpc/dts-bindings/fsl/spi.txt deleted file mode 100644 index 777abd7..0000000 --- a/Documentation/powerpc/dts-bindings/fsl/spi.txt +++ /dev/null @@ -1,53 +0,0 @@ -* SPI (Serial Peripheral Interface) - -Required properties: -- cell-index : QE SPI subblock index. - 0: QE subblock SPI1 - 1: QE subblock SPI2 -- compatible : should be "fsl,spi". -- mode : the SPI operation mode, it can be "cpu" or "cpu-qe". -- reg : Offset and length of the register set for the device -- interrupts : <a b> where a is the interrupt number and b is a - field that represents an encoding of the sense and level - information for the interrupt. This should be encoded based on - the information in section 2) depending on the type of interrupt - controller you have. -- interrupt-parent : the phandle for the interrupt controller that - services interrupts for this device. - -Optional properties: -- gpios : specifies the gpio pins to be used for chipselects. - The gpios will be referred to as reg = <index> in the SPI child nodes. - If unspecified, a single SPI device without a chip select can be used. - -Example: - spi@4c0 { - cell-index = <0>; - compatible = "fsl,spi"; - reg = <4c0 40>; - interrupts = <82 0>; - interrupt-parent = <700>; - mode = "cpu"; - gpios = <&gpio 18 1 // device reg=<0> - &gpio 19 1>; // device reg=<1> - }; - - -* eSPI (Enhanced Serial Peripheral Interface) - -Required properties: -- compatible : should be "fsl,mpc8536-espi". -- reg : Offset and length of the register set for the device. -- interrupts : should contain eSPI interrupt, the device has one interrupt. -- fsl,espi-num-chipselects : the number of the chipselect signals. - -Example: - spi@110000 { - #address-cells = <1>; - #size-cells = <0>; - compatible = "fsl,mpc8536-espi"; - reg = <0x110000 0x1000>; - interrupts = <53 0x2>; - interrupt-parent = <&mpic>; - fsl,espi-num-chipselects = <4>; - }; |