Am Dienstag, 26. Juli 2016, 14:11:47 schrieb Caesar Wang: > SARADC controller needs to be reset before programming it, otherwise > it will not function properly. > > Signed-off-by: Caesar Wang <wxt at rock-chips.com> > Cc: Jonathan Cameron <jic23 at kernel.org> > Cc: Heiko Stuebner <heiko at sntech.de> > Cc: Rob Herring <robh+dt at kernel.org> > Cc: linux-iio at vger.kernel.org > Cc: linux-rockchip at lists.infradead.org > --- > > .../bindings/iio/adc/rockchip-saradc.txt | 5 +++++ > drivers/iio/adc/Kconfig | 1 + > drivers/iio/adc/rockchip_saradc.c | 22 > ++++++++++++++++++++++ 3 files changed, 28 insertions(+) > > diff --git a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt > b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt index > bf99e2f..d2258be 100644 > --- a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt > +++ b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt > @@ -13,6 +13,9 @@ Required properties: > - clocks: Must contain an entry for each entry in clock-names. > - clock-names: Shall be "saradc" for the converter-clock, and "apb_pclk" > for the peripheral clock. > +- resets: Must contain an entry for each entry in reset-names. > + See ../reset/reset.txt for details. > +- reset-names: Must include the name "saradc-apb". as pointed out by John, this should be an optional property, as it should work with old devicetrees as well.
