From mboxrd@z Thu Jan 1 00:00:00 1970 From: Huang Shijie Subject: [PATCH v5 7/8] Documentation: add the binding file for Freescale QuadSPI driver Date: Mon, 24 Feb 2014 18:37:41 +0800 Message-ID: <1393238262-8622-8-git-send-email-b32955@freescale.com> References: <1393238262-8622-1-git-send-email-b32955@freescale.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1393238262-8622-1-git-send-email-b32955-KZfg59tc24xl57MIdRCFDg@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org Cc: computersforpeace-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, angus.clark-qxv4g6HH51o@public.gmane.org, lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, pekon-l0cyMroinI0@public.gmane.org, sourav.poddar-l0cyMroinI0@public.gmane.org, broonie-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, b44548-KZfg59tc24xl57MIdRCFDg@public.gmane.org, b18965-KZfg59tc24xl57MIdRCFDg@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.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/mtd/fsl-quadspi.txt | 35 ++++++++++++++++++++ 1 files changed, 35 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..823d134 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt @@ -0,0 +1,35 @@ +* Freescale Quad Serial Peripheral Interface(QuadSPI) + +Required properties: + - compatible : Should be "fsl,vf610-qspi" + - reg : the first contains the register location and length, + the second contains the memory mapping address and length + - reg-names: Should contain the reg names "QuadSPI" and "QuadSPI-memory" + - interrupts : Should contain the interrupt for the device + - clocks : The clocks needed by the QuadSPI controller + - clock-names : the name of the clocks + +Optional properties: + - fsl,qspi-has-second-chip: The controller has two buses, bus A and bus B. + Each bus can be connected with two NOR flashes. + Most of the time, each bus only has one NOR flash + connected, this is the default case. + But if there are two NOR flashes connected to the + bus, you should enable this property. + (Please check the board's schematic.) + +Example: + +qspi0: quadspi@40044000 { + compatible = "fsl,vf610-qspi"; + reg = <0x40044000 0x1000>, <0x20000000 0x10000000>; + reg-names = "QuadSPI", "QuadSPI-memory"; + interrupts = <0 24 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks VF610_CLK_QSPI0_EN>, + <&clks VF610_CLK_QSPI0>; + clock-names = "qspi_en", "qspi"; + + flash0: s25fl128s@0 { + .... + }; +}; -- 1.7.2.rc3 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html