From: Fabrice Gasnier <fabrice.gasnier@st.com>
To: Jonathan Cameron <jic23@kernel.org>
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: Mon, 15 Jul 2019 09:01:05 +0200 [thread overview]
Message-ID: <c69cff23-b67e-2aed-f250-c237e9cd4a3d@st.com> (raw)
In-Reply-To: <20190714171310.1816afe3@archlinux>
On 7/14/19 6:13 PM, Jonathan Cameron wrote:
> 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,
Hi Jonathan,
Many thanks,
Fabrice
>
> 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>;
>
next prev parent reply other threads:[~2019-07-15 7:02 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
2019-07-15 7:01 ` Fabrice Gasnier [this message]
2019-07-29 7:23 ` Alexandre Torgue
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