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Ip=[149.199.60.100]; Helo=[xsj-pvapsmtpgw02] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR02MB3386 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171213_235024_440527_43A17B79 X-CRM114-Status: GOOD ( 10.73 ) X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_MSPIKE_H4 RBL: Very Good reputation (+4) [104.47.41.73 listed in wl.mailspike.net] -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [104.47.41.73 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: nagasuresh12@gmail.com, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, punnaia@xilinx.com, michals@xilinx.com, dwmw2@infradead.org Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org This patch adds the dts binding document for arasan nand flash controller. Signed-off-by: Naga Sureshkumar Relli Signed-off-by: Punnaiah Choudary Kalluri --- Changes in v8: - Updated compatible and clock-names as per Boris comments Changes in v7: - Corrected the acronyms those should be in caps changes in v6: - Removed num-cs property - Separated nandchip from nand controller 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_nand.txt | 38 ++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/arasan_nand.txt diff --git a/Documentation/devicetree/bindings/mtd/arasan_nand.txt b/Documentation/devicetree/bindings/mtd/arasan_nand.txt new file mode 100644 index 000000000000..1a870153a909 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/arasan_nand.txt @@ -0,0 +1,38 @@ +Arasan NAND Flash Controller with ONFI 3.1 support + +Required properties: +- compatible: Should be "xlnx,zynqmp-nand" or "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 - "sys", "flash" + (See clock bindings for details) +- clocks: Clock phandles (see clock bindings for details) + +Optional properties: +- arasan,has-mdma: Enables DMA support + +For NAND partition information please refer the below file +Documentation/devicetree/bindings/mtd/partition.txt + +Example: + nand0: nand@ff100000 { + compatible = "xlnx,zynqmp-nand", "arasan,nfc-v3p10" + reg = <0x0 0xff100000 0x1000>; + clock-name = "sys", "flash" + clocks = <&misc_clk &misc_clk>; + interrupt-parent = <&gic>; + interrupts = <0 14 4>; + arasan,has-mdma; + #address-cells = <1>; + #size-cells = <0> + + nand@0 { + reg = <0> + partition@0 { + label = "filesystem"; + reg = <0x0 0x0 0x1000000>; + }; + (...) + }; + };