On Thu, May 28, 2015 at 01:47:42PM +0100, Irina Tirdea wrote: > Goodix devices can be configured by writing this information > to the device at init. The configuration data can > be provided through the ACPI/device tree property > "device-config". If "device-config" is not set, the default > device configuration will be used. > > Signed-off-by: Octavian Purdila <octavian.purdila@xxxxxxxxx> > Signed-off-by: Irina Tirdea <irina.tirdea@xxxxxxxxx> > --- > .../bindings/input/touchscreen/goodix.txt | 5 + > drivers/input/touchscreen/goodix.c | 143 +++++++++++++++++++++ > 2 files changed, 148 insertions(+) > > diff --git a/Documentation/devicetree/bindings/input/touchscreen/goodix.txt b/Documentation/devicetree/bindings/input/touchscreen/goodix.txt > index 7137881..9e4ff69 100644 > --- a/Documentation/devicetree/bindings/input/touchscreen/goodix.txt > +++ b/Documentation/devicetree/bindings/input/touchscreen/goodix.txt > @@ -15,6 +15,11 @@ Required properties: > - irq-gpio : GPIO pin used for IRQ > - reset-gpio : GPIO pin used for reset > > +Optional properties: > + > + - device-config : device configuration information (specified as byte > + array). Maximum size is 240 bytes. Generally we frown on passing opaque data. What exactly is encoded in device-config? The description is very vague. Does this correspond to anything in a data sheet or manual? Mark. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html