Hi Alan, On Tue, Jun 26, 2018 at 02:22:07PM +0800, alanx.chiang@xxxxxxxxx wrote: > From: "alanx.chiang" <alanx.chiang@xxxxxxxxx> > > The AT24 series chips use 8-bit address by default. If some > chips would like to support more than 8 bits, should add the compatible > field for specfic chips in the driver. > > Provide a flexible way to determine the addressing bits through > address-width in this patch. > > Signed-off-by: Alan Chiang <alanx.chiang@xxxxxxxxx> > Signed-off-by: Andy Yeh <andy.yeh@xxxxxxxxx> > > --- > since v1: > -- Remove the address-width field in the example. > > --- > Documentation/devicetree/bindings/eeprom/at24.txt | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Documentation/devicetree/bindings/eeprom/at24.txt b/Documentation/devicetree/bindings/eeprom/at24.txt > index 61d833a..9467482 100644 > --- a/Documentation/devicetree/bindings/eeprom/at24.txt > +++ b/Documentation/devicetree/bindings/eeprom/at24.txt > @@ -72,6 +72,8 @@ Optional properties: > > - wp-gpios: GPIO to which the write-protect pin of the chip is connected. > > + - address-width : number of address bits (one of 8, 16). Please remove the space before the colon; that way it looks the same as the rest. > + > Example: > > eeprom@52 { -- Kind regards, Sakari Ailus sakari.ailus@xxxxxxxxxxxxxxx