From: Kamlakant Patel <[email protected]> Add DT bindings documentation for SPI controller driver used by Netlogic XLP MIPS64 SoCs.
Signed-off-by: Kamlakant Patel <[email protected]> --- Documentation/devicetree/bindings/spi/spi-xlp.txt | 40 +++++++++++++++++++++ 1 files changed, 40 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/spi/spi-xlp.txt diff --git a/Documentation/devicetree/bindings/spi/spi-xlp.txt b/Documentation/devicetree/bindings/spi/spi-xlp.txt new file mode 100644 index 0000000..a8bbca3 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-xlp.txt @@ -0,0 +1,40 @@ +SPI Master controller for Netlogic XLP MIPS64 SOCs +================================================== + +Currently this SPI controller driver is supported for the following +Netlogic XLP SoCs: + XLP832, XLP316, XLP208, XLP980, XLP532 + +Required properties: +- compatible : Should be "netlogic,xlp832-spi". +- #address-cell : Number of cells required to define a chip select address + on the SPI bus. +- #size-cells : Should be zero. +- reg: : Should contain register location and length. +- interrupts : Interrupt number used by this controller. +- interrupt-parent: Phandle of the parent interrupt controller. +- clock-frequency : [OPTIONAL] Input clock frequency to the SPI block in Hz. + Default is 133333333 Hz. + +SPI slave nodes must be children of the SPI master node and can contain +properties described in Documentation/devicetree/bindings/spi/spi-bus.txt. + +Example: + + spi: xlp_spi@3a100 { + compatible = "netlogic,xlp832-spi"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0 0x3a100 0x100>; + clock-frequency = <133333333>; + interrupts = <34>; + interrupt-parent = <&pic>; + + spi_nor@1 { + compatible = "spansion,s25sl12801"; + #address-cells = <1>; + #size-cells = <1>; + reg = <1>; /* Chip Select */ + spi-max-frequency = <40000000>; + }; +}; -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
