Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / mtd / gpmc-onenand.txt

diff --git a/kernel/Documentation/devicetree/bindings/mtd/gpmc-onenand.txt b/kernel/Documentation/devicetree/bindings/mtd/gpmc-onenand.txt
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+Device tree bindings for GPMC connected OneNANDs
+
+GPMC connected OneNAND (found on OMAP boards) are represented as child nodes of
+the GPMC controller with a name of "onenand".
+
+All timing relevant properties as well as generic gpmc child properties are
+explained in a separate documents - please refer to
+Documentation/devicetree/bindings/bus/ti-gpmc.txt
+
+Required properties:
+
+ - reg:                        The CS line the peripheral is connected to
+ - gpmc,device-width   Width of the ONENAND device connected to the GPMC
+                       in bytes. Must be 1 or 2.
+
+Optional properties:
+
+ - dma-channel:                DMA Channel index
+
+For inline partition table parsing (optional):
+
+ - #address-cells: should be set to 1
+ - #size-cells: should be set to 1
+
+Example for an OMAP3430 board:
+
+       gpmc: gpmc@6e000000 {
+               compatible = "ti,omap3430-gpmc";
+               ti,hwmods = "gpmc";
+               reg = <0x6e000000 0x1000000>;
+               interrupts = <20>;
+               gpmc,num-cs = <8>;
+               gpmc,num-waitpins = <4>;
+               #address-cells = <2>;
+               #size-cells = <1>;
+
+               onenand@0 {
+                       reg = <0 0 0>; /* CS0, offset 0 */
+                       gpmc,device-width = <2>;
+
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       /* partitions go here */
+               };
+       };