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xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Sep 2018 12:20:58.6207 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 37b1bdda-9183-40c9-841d-08d622e159bd X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.60.100];Helo=[xsj-pvapsmtpgw02] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR02MB4764 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds the dts binding document for arasan nand flash controller Signed-off-by: Naga Sureshkumar Relli --- Changes in v11: - Updated compatible description as suggested by Boris - Removed arasan-has-dma property Changes in v10: - None Changes in v9: - None 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 | 33 ++++++++++++++++++++++ 1 file changed, 33 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 0000000..546ed98 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/arasan_nand.txt @@ -0,0 +1,33 @@ +Arasan NAND Flash Controller with ONFI 3.1 support + +Required properties: +- compatible: Should be "xlnx,zynqmp-nand", "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) + +Required properties for child node: +- nand-ecc-mode: see nand.txt + +For NAND partition information please refer the below file +Documentation/devicetree/bindings/mtd/partition.txt + +Example: + nfc: 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>; + #address-cells = <1>; + #size-cells = <0> + + nand@0 { + reg = <0> + nand-ecc-mode = "hw"; + }; + }; -- 2.7.4