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i2c: mux: pca954x: add support for NXP PCA984x family

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This patch extends the current i2c-mux-pca954x driver and adds support for
a newer PCA984x family of the I2C switches and multiplexers from NXP.

Signed-off-by: Adrian Fiergolski <adrian.fiergolski@cern.ch>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Peter Rosin <peda@axentia.se>
This commit is contained in:
Adrian Fiergolski
2017-12-25 22:26:46 +01:00
committed by Peter Rosin
parent ae64f9bd1d
commit 8f6d601689
3 changed files with 48 additions and 9 deletions
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13
Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt
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@@ -1,10 +1,19 @@
* NXP PCA954x I2C bus switch
The driver supports NXP PCA954x and PCA984x I2C mux/switch devices.
Required Properties:
- compatible: Must contain one of the following.
"nxp,pca9540", "nxp,pca9542", "nxp,pca9543", "nxp,pca9544",
"nxp,pca9545", "nxp,pca9546", "nxp,pca9547", "nxp,pca9548"
"nxp,pca9540",
"nxp,pca9542",
"nxp,pca9543",
"nxp,pca9544",
"nxp,pca9545",
"nxp,pca9546", "nxp,pca9846",
"nxp,pca9547", "nxp,pca9847",
"nxp,pca9548", "nxp,pca9848",
"nxp,pca9849"
- reg: The I2C address of the device.