[PATCH v3 6/7] Documentation: add the binding file for Quadspi driver

[Huang Shijie <b32955-KZfg59tc24xl57MIdRCFDg@public.gmane.org>]

This patch adds the binding file for Freescale Quadspi driver.

Signed-off-by: Huang Shijie <b32955-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
---
 .../devicetree/bindings/mtd/fsl-quadspi.txt        |   31 ++++++++++++++++++++
 1 files changed, 31 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/mtd/fsl-quadspi.txt

diff --git a/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt b/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt
new file mode 100644
index 0000000..3475cfa
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt
@@ -0,0 +1,31 @@
+* 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
+- fsl,nor-num : Contains the number of SPI NOR chips connected to
+                the controller.
+- fsl,nor-size : the size of each SPI NOR.
+- fsl,max-frequency : the frequency at which the SPI NOR works.
+
+Example:
+
+qspi0: quadspi@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-num = <1>;
+	fsl,nor-size = <0x1000000>;
+	fsl,max-frequency = <66000000>;
+	status = "okay";
+
+	flash0: s25fl128s@0 {
+		....
+	};
+};
-- 
1.7.2.rc3


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