From mboxrd@z Thu Jan 1 00:00:00 1970 From: Punnaiah Choudary Kalluri Subject: [PATCH v5 1/3] mtd: arasan: Add device tree binding documentation Date: Sat, 21 Nov 2015 20:09:37 +0530 Message-ID: <1448116777-9748-1-git-send-email-punnaia@xilinx.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-kernel-owner@vger.kernel.org To: robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, dwmw2@infradead.org, computersforpeace@gmail.com, michals@xilinx.com, galak@codeaurora.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, kalluripunnaiahchoudary@gmail.com, kpc528@gmail.com, Punnaiah Choudary Kalluri List-Id: devicetree@vger.kernel.org This patch adds the dts binding document for arasan nand flash controller. Signed-off-by: Punnaiah Choudary Kalluri --- Changes in v5: - None Changes in v4: - Added num-cs property - Added clock support Changes in v3: - None Changes in v2: - None --- .../devicetree/bindings/mtd/arasan_nfc.txt | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/arasan_nfc.txt diff --git a/Documentation/devicetree/bindings/mtd/arasan_nfc.txt b/Documentation/devicetree/bindings/mtd/arasan_nfc.txt new file mode 100644 index 0000000..02e1ce3 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/arasan_nfc.txt @@ -0,0 +1,34 @@ +Arasan Nand Flash Controller with ONFI 3.1 support + +Required properties: +- compatible: Should be "arasan,nfc-v3p10" +- reg: Memory map for module access +- interrupt-parent: Interrupt controller the interrupt is routed through +- interrupts: Should contain the interrupt for the device +- clock-name: List of input clocks - "clk_sys", "clk_flash" + (See clock bindings for details) +- clocks: Clock phandles (see clock bindings for details) + +Optional properties: +- arasan,has-mdma: Enables Dma support +- num-cs: Number of chip selects used + +for nand partition information please refer the below file +Documentation/devicetree/bindings/mtd/partition.txt + +Example: + nand0: nand@ff100000 { + compatible = "arasan,nfc-v3p10" + reg = <0x0 0xff100000 0x1000>; + clock-name = "clk_sys", "clk_flash" + clocks = <&misc_clk &misc_clk>; + interrupt-parent = <&gic>; + interrupts = <0 14 4>; + arasan,has-mdma; + num-cs = <1>; + partition@0 { + label = "filesystem"; + reg = <0x0 0x0 0x1000000>; + }; + (...) + }; -- 2.1.2