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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2013-07-02 09:01:31 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2013-07-02 09:01:31 -0700
commit27eb2c4b3d3e13f376a359e293c212a2e9407af5 (patch)
tree556aa7b5cd6eeb4214dec129c789515157187010 /Documentation/devicetree/bindings/i2c/i2c-mxs.txt
parentInput: tps6507x-ts - convert to polled input device infrastructure (diff)
parentInput: cyttsp4 - SPI driver for Cypress TMA4XX touchscreen devices (diff)
downloadlinux-dev-27eb2c4b3d3e13f376a359e293c212a2e9407af5.tar.xz
linux-dev-27eb2c4b3d3e13f376a359e293c212a2e9407af5.zip
Merge branch 'next' into for-linus
Prepare first set of updates for 3.11 merge window.
Diffstat (limited to 'Documentation/devicetree/bindings/i2c/i2c-mxs.txt')
-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-mxs.txt12
1 files changed, 8 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mxs.txt b/Documentation/devicetree/bindings/i2c/i2c-mxs.txt
index 7a3fe9e5f4cb..4e1c8ac01eba 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mxs.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-mxs.txt
@@ -3,10 +3,13 @@
Required properties:
- compatible: Should be "fsl,<chip>-i2c"
- reg: Should contain registers location and length
-- interrupts: Should contain ERROR and DMA interrupts
+- interrupts: Should contain ERROR interrupt number
- 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
+- dmas: DMA specifier, consisting of a phandle to DMA controller node
+ and I2C DMA channel ID.
+ Refer to dma.txt and fsl-mxs-dma.txt for details.
+- dma-names: Must be "rx-tx".
Examples:
@@ -15,7 +18,8 @@ i2c0: i2c@80058000 {
#size-cells = <0>;
compatible = "fsl,imx28-i2c";
reg = <0x80058000 2000>;
- interrupts = <111 68>;
+ interrupts = <111>;
clock-frequency = <100000>;
- fsl,i2c-dma-channel = <6>;
+ dmas = <&dma_apbx 6>;
+ dma-names = "rx-tx";
};