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| author | Marek Vasut <marex@denx.de> | 2012-08-24 05:44:31 +0200 |
|---|---|---|
| committer | Wolfram Sang <w.sang@pengutronix.de> | 2012-10-08 12:47:33 +0200 |
| commit | 62885f59a26195d9f6a3f8c795225dfbab62a110 (patch) | |
| tree | 56773f6a15d22154816b240c4988cb906df7ed5f /Documentation/devicetree | |
| parent | 102084d3d3969646cc89ea159e50898aeafc6649 (diff) | |
| download | linux-62885f59a26195d9f6a3f8c795225dfbab62a110.tar.bz2 | |
MXS: Implement DMA support into mxs-i2c
This patch implements DMA support into mxs-i2c. DMA transfers are now enabled
via DT. The DMA operation is enabled by default.
Signed-off-by: Marek Vasut <marex@denx.de>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
[wsa: rebased to 3.6-rc7]
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/i2c-mxs.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mxs.txt b/Documentation/devicetree/bindings/i2c/i2c-mxs.txt index 30ac3a0557f7..7a3fe9e5f4cb 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-mxs.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-mxs.txt @@ -6,6 +6,7 @@ Required properties: - interrupts: Should contain ERROR and DMA interrupts - clock-frequency: Desired I2C bus clock frequency in Hz. Only 100000Hz and 400000Hz modes are supported. +- fsl,i2c-dma-channel: APBX DMA channel for the I2C Examples: @@ -16,4 +17,5 @@ i2c0: i2c@80058000 { reg = <0x80058000 2000>; interrupts = <111 68>; clock-frequency = <100000>; + fsl,i2c-dma-channel = <6>; }; |