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From: Alexandre TORGUE <alexandre.torgue@foss.st.com>
To: "Leonard Göhrs" <l.goehrs@pengutronix.de>,
	"Rob Herring" <robh+dt@kernel.org>,
	"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
	"Maxime Coquelin" <mcoquelin.stm32@gmail.com>
Cc: <kernel@pengutronix.de>, <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 2/2] ARM: dts: stm32: correct vcc-supply for eeprom on stm32mp15xx-osd32
Date: Mon, 13 Jun 2022 10:15:10 +0200	[thread overview]
Message-ID: <cd9121fb-4953-2a06-5a48-728dc4ca6caa@foss.st.com> (raw)
In-Reply-To: <20220603094422.2112746-2-l.goehrs@pengutronix.de>

Hi

On 6/3/22 11:44, Leonard Göhrs wrote:
> According to the OSD32MP1 Power System overview[1] the EEPROM is connected to
> the VDD line and not to some single-purpose fixed regulator.
> Set the EEPROM supply according to the diagram to eliminate this parent-less
> regulator.
> 
> [1]: https://octavosystems.com/app_notes/osd32mp1-power-system-overview/#connections
> 
> Signed-off-by: Leonard Göhrs <l.goehrs@pengutronix.de>
> ---
>   arch/arm/boot/dts/stm32mp15xx-osd32.dtsi | 8 +-------
>   1 file changed, 1 insertion(+), 7 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi b/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi
> index e997c4953fd1..935b7084b5a2 100644
> --- a/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi
> +++ b/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi
> @@ -50,12 +50,6 @@ retram: retram@38000000 {
>   			no-map;
>   		};
>   	};
> -
> -	reg_sip_eeprom: regulator_eeprom {
> -		compatible = "regulator-fixed";
> -		regulator-name = "sip_eeprom";
> -		regulator-always-on;
> -	};
>   };
>   
>   &i2c4 {
> @@ -204,7 +198,7 @@ pmic_watchdog: watchdog {
>   
>   	sip_eeprom: eeprom@50 {
>   		compatible = "atmel,24c32";
> -		vcc-supply = <&reg_sip_eeprom>;
> +		vcc-supply = <&vdd>;
>   		reg = <0x50>;
>   	};
>   };

Applied on stm32-next.

Thanks.
Alex

  parent reply	other threads:[~2022-06-13  8:15 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-03  9:44 [PATCH 1/2] ARM: dts: stm32: fix missing internally connected voltage regulator for OSD32MP1 Leonard Göhrs
2022-06-03  9:44 ` [PATCH 2/2] ARM: dts: stm32: correct vcc-supply for eeprom on stm32mp15xx-osd32 Leonard Göhrs
2022-06-03 11:34   ` Ahmad Fatoum
2022-06-13  8:15   ` Alexandre TORGUE [this message]
2022-06-03 11:32 ` [PATCH 1/2] ARM: dts: stm32: fix missing internally connected voltage regulator for OSD32MP1 Ahmad Fatoum
2022-06-13  8:14 ` Alexandre TORGUE

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