Re: [PATCH 1/2] dt-bindings: iio: adc: meson-saradc: update temperature sensor support
From: Rob Herring
Date: Thu Jan 03 2019 - 18:02:15 EST
On Thu, 27 Dec 2018 22:50:19 +0100, Martin Blumenstingl wrote:
> Meson8b and Meson8m2 use a 5-bit wide TSC (temperature sensor
> coefficient). The SAR ADC registers however can only store (the lower)
> 4 bits. The fifth (upper-most) bit is stored inside the
> MESON_HHI_DPLL_TOP_0 register from the HHI register area.
> This adds a syscon property to the HHI register area so a driver can
> fetch the HHI register map and store the fifth TSC bit in there.
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx>
> .../devicetree/bindings/iio/adc/amlogic,meson-saradc.txt | 4 ++++
> 1 file changed, 4 insertions(+)
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>