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-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-mxs.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mxs.txt b/Documentation/devicetree/bindings/i2c/i2c-mxs.txt
index 1bfc02d..30ac3a0 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mxs.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-mxs.txt
@@ -4,6 +4,8 @@ Required properties:
- compatible: Should be "fsl,<chip>-i2c"
- reg: Should contain registers location and length
- interrupts: Should contain ERROR and DMA interrupts
+- clock-frequency: Desired I2C bus clock frequency in Hz.
+ Only 100000Hz and 400000Hz modes are supported.
Examples:
@@ -13,4 +15,5 @@ i2c0: i2c@80058000 {
compatible = "fsl,imx28-i2c";
reg = <0x80058000 2000>;
interrupts = <111 68>;
+ clock-frequency = <100000>;
};