diff options
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt b/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt index 81f982ccca31..7a32bf81bfa9 100644 --- a/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt +++ b/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt @@ -9,9 +9,6 @@ Required properties: Define the base and range of the I/O address space that contain the iProc I2C controller registers -- interrupts: - Should contain the I2C interrupt - - clock-frequency: This is the I2C bus clock. Need to be either 100000 or 400000 @@ -21,6 +18,14 @@ Required properties: - #size-cells: Always 0 +Optional properties: + +- interrupts: + Should contain the I2C interrupt. For certain revisions of the I2C + controller, I2C interrupt is unwired to the interrupt controller. In such + case, this property should be left unspecified, and driver will fall back + to polling mode + Example: i2c0: i2c@18008000 { compatible = "brcm,iproc-i2c"; |