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Diffstat (limited to 'Documentation/devicetree/bindings/net/qca-qca7000-spi.txt')
-rw-r--r-- | Documentation/devicetree/bindings/net/qca-qca7000-spi.txt | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/Documentation/devicetree/bindings/net/qca-qca7000-spi.txt b/Documentation/devicetree/bindings/net/qca-qca7000-spi.txt deleted file mode 100644 index c74989c0d8ac..000000000000 --- a/Documentation/devicetree/bindings/net/qca-qca7000-spi.txt +++ /dev/null @@ -1,47 +0,0 @@ -* Qualcomm QCA7000 (Ethernet over SPI protocol) - -Note: The QCA7000 is useable as a SPI device. In this case it must be defined -as a child of a SPI master in the device tree. - -Required properties: -- compatible : Should be "qca,qca7000" -- reg : Should specify the SPI chip select -- interrupts : The first cell should specify the index of the source interrupt - and the second cell should specify the trigger type as rising edge -- spi-cpha : Must be set -- spi-cpol: Must be set - -Optional properties: -- interrupt-parent : Specify the pHandle of the source interrupt -- spi-max-frequency : Maximum frequency of the SPI bus the chip can operate at. - Numbers smaller than 1000000 or greater than 16000000 are invalid. Missing - the property will set the SPI frequency to 8000000 Hertz. -- local-mac-address: 6 bytes, MAC address -- qca,legacy-mode : Set the SPI data transfer of the QCA7000 to legacy mode. - In this mode the SPI master must toggle the chip select between each data - word. In burst mode these gaps aren't necessary, which is faster. - This setting depends on how the QCA7000 is setup via GPIO pin strapping. - If the property is missing the driver defaults to burst mode. - -Example: - -/* Freescale i.MX28 SPI master*/ -ssp2: spi@80014000 { - #address-cells = <1>; - #size-cells = <0>; - compatible = "fsl,imx28-spi"; - pinctrl-names = "default"; - pinctrl-0 = <&spi2_pins_a>; - status = "okay"; - - qca7000: ethernet@0 { - compatible = "qca,qca7000"; - reg = <0x0>; - interrupt-parent = <&gpio3>; /* GPIO Bank 3 */ - interrupts = <25 0x1>; /* Index: 25, rising edge */ - spi-cpha; /* SPI mode: CPHA=1 */ - spi-cpol; /* SPI mode: CPOL=1 */ - spi-max-frequency = <8000000>; /* freq: 8 MHz */ - local-mac-address = [ A0 B0 C0 D0 E0 F0 ]; - }; -}; |