Kernel-3.10.0-957.el7_gpmc-onenan

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 partiton 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 */
    };
};