diff options
| author | Chao Fu <B44548@freescale.com> | 2013-08-16 11:08:54 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-08-22 11:33:13 +0100 |
| commit | 9cbd72e577078c18d0c857dd050dac139b36db77 (patch) | |
| tree | 1b2fb3b98e2d6f061e16d847860eeb37b624631d | |
| parent | b36f4be3de1b123d8601de062e7dbfc904f305fb (diff) | |
Documentation: DT: Add Freescale DSPI driver
This patch adds the document for DSPI driver under
Documentation/devicetree/bindings/spi/.
Signed-off-by: Chao Fu <b44548@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
| -rw-r--r-- | Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt new file mode 100644 index 000000000000..a1fb3035a42b --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt @@ -0,0 +1,42 @@ +ARM Freescale DSPI controller + +Required properties: +- compatible : "fsl,vf610-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. +- bus-num : the slave chip chipselect signal number. +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>; + status = "okay"; + + 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"; + }; +}; + + |