tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1* Freescale General-Purpose Media Interface (GPMI)
2
3The GPMI nand controller provides an interface to control the
4NAND flash chips. We support only one NAND chip now.
5
6Required properties:
7 - compatible : should be "fsl,<chip>-gpmi-nand"
8 - reg : should contain registers location and length for gpmi and bch.
9 - reg-names: Should contain the reg names "gpmi-nand" and "bch"
10 - interrupts : The first is the DMA interrupt number for GPMI.
11 The second is the BCH interrupt number.
12 - interrupt-names : The interrupt names "gpmi-dma", "bch";
13 - fsl,gpmi-dma-channel : Should contain the dma channel it uses.
14
15Optional properties:
16 - nand-on-flash-bbt: boolean to enable on flash bbt option if not
17 present false
18
19The device tree may optionally contain sub-nodes describing partitions of the
20address space. See partition.txt for more detail.
21
22Examples:
23
24gpmi-nand@8000c000 {
25 compatible = "fsl,imx28-gpmi-nand";
26 #address-cells = <1>;
27 #size-cells = <1>;
28 reg = <0x8000c000 2000>, <0x8000a000 2000>;
29 reg-names = "gpmi-nand", "bch";
30 interrupts = <88>, <41>;
31 interrupt-names = "gpmi-dma", "bch";
32 fsl,gpmi-dma-channel = <4>;
33
34 partition@0 {
35 ...
36 };
37};