From mboxrd@z Thu Jan 1 00:00:00 1970 From: Huang Shijie Subject: [PATCH v2 6/8] Documentation: add the binding file for Quadspi driver Date: Mon, 26 Aug 2013 12:41:40 +0800 Message-ID: <1377492102-23543-7-git-send-email-b32955@freescale.com> References: <1377492102-23543-1-git-send-email-b32955@freescale.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1377492102-23543-1-git-send-email-b32955@freescale.com> Sender: linux-doc-owner@vger.kernel.org To: broonie@kernel.org Cc: dwmw2@infradead.org, dedekind1@gmail.com, computersforpeace@gmail.com, shawn.guo@linaro.org, kernel@pengutronix.de, b18965@freescale.com, b44548@freescale.com, B20596@freescale.com, linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, Huang Shijie List-Id: devicetree@vger.kernel.org This patch adds the binding file for Freescale Quadspi driver. Signed-off-by: Huang Shijie --- .../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..ea834e3 --- /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 +- fsl,spi-num-chipselects : Contains the number of the chipselect + +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@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>; + fsl,spi-num-chipselects = <1>; + status = "disabled"; + + flash0: s25fl128s@0 { + .... + }; +}; -- 1.7.1