2017-06-28 1:31 GMT+08:00 Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>: > On Tue, Jun 27, 2017 at 11:18:17PM +0800, Ziping Chen wrote: >> 2017-06-27 1:15 GMT+08:00 Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>: >> > Hi, >> > >> > On Sat, Jun 24, 2017 at 10:45:14AM +0800, Ziping Chen wrote: >> >> From: Ziping Chen <techping.chan@xxxxxxxxx> >> >> >> >> Allwinner A83T SoC has a low res adc like the one >> >> in Allwinner A10 SoC. >> >> >> >> Add binding for it. >> >> >> >> Signed-off-by: Ziping Chen <techping.chan@xxxxxxxxx> >> >> Acked-by: Rob Herring <robh@xxxxxxxxxx> >> >> --- >> >> Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt | 6 ++++-- >> >> 1 file changed, 4 insertions(+), 2 deletions(-) >> >> >> >> diff --git a/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt b/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt >> >> index 4357e498ef04..525d85e3043f 100644 >> >> --- a/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt >> >> +++ b/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt >> >> @@ -2,12 +2,14 @@ Allwinner sun4i low res adc attached tablet keys >> >> ------------------------------------------------ >> >> >> >> Required properties: >> >> - - compatible: "allwinner,sun4i-a10-lradc-keys" >> >> + - compatible: should be one of the following string: >> >> + "allwinner,sun4i-a10-lradc-keys" >> >> + "allwinner,sun8i-a83t-r-lradc-keys" >> > >> > This doesn't really have anything related to keys, and can be used >> > purely as an ADC. >> > >> > I know this is the compatible that was used for the A10, but I'd >> > rather drop the keys for the the new compatible. >> > >> >> LRADC is named KEYADC in some other SoCs' User Manual(such as R40 User >> Manual V1.0), thus LRADC is related to keys. > > It's still called LRADC on the A83T, so we'll use that name. If we > ever need another compatible for the R40, then yes, keyadc would make > sense in that case. Hi, So... whether to use "sun4i-lradc" to replace "sun4i-lradc-keys"? I think it should be separated, one is the input subsystem, the other is the iio subsystem. > > Maxime > > -- > Maxime Ripard, Free Electrons > Embedded Linux and Kernel engineering > http://free-electrons.com -- 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