Initial commit; kernel source import

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Nathan
2025-04-06 23:50:55 -05:00
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* TI Common Platform Interrupt Controller
Common Platform Interrupt Controller (cp_intc) is used on
OMAP-L1x SoCs and can support several configurable number
of interrupts.
Main node required properties:
- compatible : should be:
"ti,cp-intc"
- interrupt-controller : Identifies the node as an interrupt controller
- #interrupt-cells : Specifies the number of cells needed to encode an
interrupt source. The type shall be a <u32> and the value shall be 1.
The cell contains the interrupt number in the range [0-128].
- ti,intc-size: Number of interrupts handled by the interrupt controller.
- reg: physical base address and size of the intc registers map.
Example:
intc: interrupt-controller@1 {
compatible = "ti,cp-intc";
interrupt-controller;
#interrupt-cells = <1>;
ti,intc-size = <101>;
reg = <0xfffee000 0x2000>;
};

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* Texas Instruments Davinci NAND
This file provides information, what the device node for the
davinci nand interface contain.
Required properties:
- compatible: "ti,davinci-nand";
- reg : contain 2 offset/length values:
- offset and length for the access window
- offset and length for accessing the aemif control registers
- ti,davinci-chipselect: Indicates on the davinci_nand driver which
chipselect is used for accessing the nand.
Recommended properties :
- ti,davinci-mask-ale: mask for ale
- ti,davinci-mask-cle: mask for cle
- ti,davinci-mask-chipsel: mask for chipselect
- ti,davinci-ecc-mode: ECC mode valid values for davinci driver:
- "none"
- "soft"
- "hw"
- ti,davinci-ecc-bits: used ECC bits, currently supported 1 or 4.
- ti,davinci-nand-buswidth: buswidth 8 or 16
- ti,davinci-nand-use-bbt: use flash based bad block table support.
nand device bindings may contain additional sub-nodes describing
partitions of the address space. See partition.txt for more detail.
Example(da850 EVM ):
nand_cs3@62000000 {
compatible = "ti,davinci-nand";
reg = <0x62000000 0x807ff
0x68000000 0x8000>;
ti,davinci-chipselect = <1>;
ti,davinci-mask-ale = <0>;
ti,davinci-mask-cle = <0>;
ti,davinci-mask-chipsel = <0>;
ti,davinci-ecc-mode = "hw";
ti,davinci-ecc-bits = <4>;
ti,davinci-nand-use-bbt;
partition@180000 {
label = "ubifs";
reg = <0x180000 0x7e80000>;
};
};