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From: Jonathan Cameron <jic23@kernel.org>
To: Fabrice Gasnier <fabrice.gasnier@st.com>
Cc: <robh+dt@kernel.org>, <alexandre.torgue@st.com>,
	<mark.rutland@arm.com>, <mcoquelin.stm32@gmail.com>,
	<lars@metafoo.de>, <knaack.h@gmx.de>, <pmeerw@pmeerw.net>,
	<linux-iio@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-stm32@st-md-mailman.stormreply.com>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 3/3] ARM: dts: stm32: add syscfg to ADC on stm32mp157c
Date: Sun, 14 Jul 2019 17:13:10 +0100	[thread overview]
Message-ID: <20190714171310.1816afe3@archlinux> (raw)
In-Reply-To: <1562148496-26789-4-git-send-email-fabrice.gasnier@st.com>

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>;


  reply	other threads:[~2019-07-14 16:13 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-03 10:08 [PATCH v2 0/3] STM32 ADC analog switches supply control Fabrice Gasnier
2019-07-03 10:08 ` [PATCH v2 1/3] dt-bindings: iio: adc: stm32: add " Fabrice Gasnier
2019-07-14 16:11   ` Jonathan Cameron
2019-07-03 10:08 ` [PATCH v2 2/3] iio: adc: stm32-adc: " Fabrice Gasnier
2019-07-14 16:12   ` Jonathan Cameron
2019-07-03 10:08 ` [PATCH v2 3/3] ARM: dts: stm32: add syscfg to ADC on stm32mp157c Fabrice Gasnier
2019-07-14 16:13   ` Jonathan Cameron [this message]
2019-07-15  7:01     ` Fabrice Gasnier
2019-07-29  7:23   ` Alexandre Torgue

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