diff options
| author | Shawn Guo <shawn.guo@linaro.org> | 2013-02-26 11:44:28 +0800 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@linaro.org> | 2013-04-04 21:22:45 +0800 |
| commit | 5fac0e18bd3dbd7e23276efa0e5d2b945b1165e8 (patch) | |
| tree | dadf4b3c3d138fcfb7274b26f963035d6b76626a /Documentation | |
| parent | e5aba13da0cc598a5573ea059717949fbd7536ad (diff) | |
mtd: gpmi: move to use generic DMA helper
With the generic DMA device tree helper supported by mxs-dma driver,
client devices only need to call dma_request_slave_channel() for
requesting a DMA channel from dmaengine.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/mtd/gpmi-nand.txt | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/Documentation/devicetree/bindings/mtd/gpmi-nand.txt b/Documentation/devicetree/bindings/mtd/gpmi-nand.txt index 3fb3f9015365..551b2a179d01 100644 --- a/Documentation/devicetree/bindings/mtd/gpmi-nand.txt +++ b/Documentation/devicetree/bindings/mtd/gpmi-nand.txt @@ -7,10 +7,12 @@ Required properties: - compatible : should be "fsl,<chip>-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 : The first is the DMA interrupt number for GPMI. - The second is the BCH interrupt number. - - interrupt-names : The interrupt names "gpmi-dma", "bch"; - - fsl,gpmi-dma-channel : Should contain the dma channel it uses. + - 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 @@ -27,9 +29,10 @@ gpmi-nand@8000c000 { #size-cells = <1>; reg = <0x8000c000 2000>, <0x8000a000 2000>; reg-names = "gpmi-nand", "bch"; - interrupts = <88>, <41>; - interrupt-names = "gpmi-dma", "bch"; - fsl,gpmi-dma-channel = <4>; + interrupts = <41>; + interrupt-names = "bch"; + dmas = <&dma_apbh 4>; + dma-names = "rx-tx"; partition@0 { ... |