From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- .../devicetree/bindings/mtd/gpmi-nand.txt | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/gpmi-nand.txt (limited to 'Documentation/devicetree/bindings/mtd/gpmi-nand.txt') diff --git a/Documentation/devicetree/bindings/mtd/gpmi-nand.txt b/Documentation/devicetree/bindings/mtd/gpmi-nand.txt new file mode 100644 index 00000000..551b2a17 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/gpmi-nand.txt @@ -0,0 +1,40 @@ +* Freescale General-Purpose Media Interface (GPMI) + +The GPMI nand controller provides an interface to control the +NAND flash chips. We support only one NAND chip now. + +Required properties: + - compatible : should be "fsl,-gpmi-nand" + - reg : should contain registers location and length for gpmi and bch. + - reg-names: Should contain the reg names "gpmi-nand" and "bch" + - interrupts : BCH interrupt number. + - interrupt-names : Should be "bch". + - dmas: DMA specifier, consisting of a phandle to DMA controller node + and GPMI DMA channel ID. + Refer to dma.txt and fsl-mxs-dma.txt for details. + - dma-names: Must be "rx-tx". + +Optional properties: + - nand-on-flash-bbt: boolean to enable on flash bbt option if not + present false + +The device tree may optionally contain sub-nodes describing partitions of the +address space. See partition.txt for more detail. + +Examples: + +gpmi-nand@8000c000 { + compatible = "fsl,imx28-gpmi-nand"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x8000c000 2000>, <0x8000a000 2000>; + reg-names = "gpmi-nand", "bch"; + interrupts = <41>; + interrupt-names = "bch"; + dmas = <&dma_apbh 4>; + dma-names = "rx-tx"; + + partition@0 { + ... + }; +}; -- cgit v1.3.1