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dt-bindings: i2c-mpc: Document interrupt property as required

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All of the in-tree device-trees that use the one of the compatible
strings from i2c-mpc.c supply an interrupts property. Make this property
mandatory to aid refactoring the driver.

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Chris Packham 2021-03-29 14:52:01 +13:00 committed by Wolfram Sang
parent 5b5475826c
commit a888f9b95a
1 changed files with 3 additions and 3 deletions
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Documentation/devicetree/bindings/i2c/i2c-mpc.txt
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@ -7,14 +7,14 @@ Required properties :
compatible processor, e.g. mpc8313, mpc8543, mpc8544, mpc5121,
mpc5200 or mpc5200b. For the mpc5121, an additional node
"fsl,mpc5121-i2c-ctrl" is required as shown in the example below.
Recommended properties :
- interrupts : <a b> where a is the interrupt number and b is a
field that represents an encoding of the sense and level
information for the interrupt. This should be encoded based on
the information in section 2) depending on the type of interrupt
controller you have.
Recommended properties :
- fsl,preserve-clocking : boolean; if defined, the clock settings
from the bootloader are preserved (not touched).
- clock-frequency : desired I2C bus clock frequency in Hz.