[PATCH v3 6/8] Documentation: add the binding file for Quadspi driver
From: Huang Shijie <hidden>
Date: 2013-08-30 02:07:27
Also in:
linux-devicetree
Subsystem:
open firmware and flattened device tree bindings, spi subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Mark Brown, Linus Torvalds
This patch adds the binding file for Freescale Quadspi driver. Signed-off-by: Huang Shijie <redacted> --- .../devicetree/bindings/spi/fsl-quadspi.txt | 32 ++++++++++++++++++++ 1 files changed, 32 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/spi/fsl-quadspi.txt
diff --git a/Documentation/devicetree/bindings/spi/fsl-quadspi.txt b/Documentation/devicetree/bindings/spi/fsl-quadspi.txt
new file mode 100644
index 0000000..d86ee84
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/fsl-quadspi.txt@@ -0,0 +1,32 @@ +* Freescale Quad Serial Peripheral Interface(QuadSPI) + +Required properties: +- compatible : Should be "fsl,vf610-qspi" +- reg : Offset and length of the register set for the device +- interrupts : Should contain the interrupt for the device +- clocks : The clocks needed by the QuadSPI controller +- clock-names : the name of the clocks +- num-cs : Contains the number of the chip selects + +Optional properties: +- fsl,nor-size : If You set this property, it means that you connect the NOR + flash to QuadSPI. This property is mainly used by the QuadSPI + to map an AHB bus accessible address. + +Example: + +qspi0: quadspi at 40044000 { + compatible = "fsl,vf610-qspi"; + reg = <0x40044000 0x1000>; + interrupts = <0 24 0x04>; + clocks = <&clks VF610_CLK_QSPI0_EN>, + <&clks VF610_CLK_QSPI0>; + clock-names = "qspi_en", "qspi"; + fsl,nor-size = <0x1000000>; + num-cs = <1>; + status = "disabled"; + + flash0: s25fl128s at 0 { + .... + }; +};
--
1.7.1