lkml.org 
[lkml]   [2019]   [Jul]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH v2 3/3] ARM: dts: stm32: add syscfg to ADC on stm32mp157c
    On Wed, 3 Jul 2019 12:08:16 +0200
    Fabrice Gasnier <fabrice.gasnier@st.com> wrote:

    > On stm32mp157c, the ADC inputs are multiplexed with analog switches which
    > have reduced performances when their supply is below 2.7V (vdda by
    > default).
    > Add syscfg registers that can be used on stm32mp157c, to get full ADC
    > analog performances.
    >
    > Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
    I've applied the patches using this on the assumption this will go via
    the usual SoC route.

    Thanks,

    Jonathan

    > ---
    > arch/arm/boot/dts/stm32mp157c.dtsi | 1 +
    > 1 file changed, 1 insertion(+)
    >
    > diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi
    > index 2dd5162..b9a5b58 100644
    > --- a/arch/arm/boot/dts/stm32mp157c.dtsi
    > +++ b/arch/arm/boot/dts/stm32mp157c.dtsi
    > @@ -862,6 +862,7 @@
    > clocks = <&rcc ADC12>, <&rcc ADC12_K>;
    > clock-names = "bus", "adc";
    > interrupt-controller;
    > + st,syscfg = <&syscfg>;
    > #interrupt-cells = <1>;
    > #address-cells = <1>;
    > #size-cells = <0>;

    \
     
     \ /
      Last update: 2019-07-14 18:13    [W:4.362 / U:0.008 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site