From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexandre Torgue Subject: Re: [PATCH v2 3/3] ARM: dts: stm32: add syscfg to ADC on stm32mp157c Date: Mon, 29 Jul 2019 09:23:06 +0200 Message-ID: <0687ec4c-0930-058d-4a55-c4cf712ab83c@st.com> References: <1562148496-26789-1-git-send-email-fabrice.gasnier@st.com> <1562148496-26789-4-git-send-email-fabrice.gasnier@st.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1562148496-26789-4-git-send-email-fabrice.gasnier@st.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Fabrice Gasnier , jic23@kernel.org, robh+dt@kernel.org Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, lars@metafoo.de, mcoquelin.stm32@gmail.com, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, pmeerw@pmeerw.net, knaack.h@gmx.de, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org Hi fabrice On 7/3/19 12:08 PM, Fabrice Gasnier 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 > --- > 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>; > Applied on stm32-next. Thanks. Alex