From: Alexandre TORGUE <alexandre.torgue@foss.st.com>
To: Fabrice Gasnier <fabrice.gasnier@foss.st.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
Catalin Popescu <catalin.popescu@leica-geosystems.com>
Cc: <devicetree@vger.kernel.org>,
<linux-stm32@st-md-mailman.stormreply.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
Gabriel Fernandez <gabriel.fernandez@foss.st.com>
Subject: Re: [PATCH v2 0/3] ARM: dts: stm32: Fix STM32MP1 ev and dk USB onboard HUB supplies
Date: Fri, 11 Sep 2026 18:33:25 +0200 [thread overview]
Message-ID: <e3e67a3c-30c6-47ea-9beb-b29c51873260@foss.st.com> (raw)
In-Reply-To: <20260821-usb_fixes_vdda-v1-v2-0-23cc919b59fb@foss.st.com>
Salut Fabrice
On 8/21/26 16:57, Fabrice Gasnier wrote:
> Some STM32 boards use Microchip USB2514 HUB. Since vdda supply has been
> added, the regulator framework wrongly associates the 'vdda' supply
> dedicated to ADC, so the wrong regulator is referenced.
> Only the 3v3 regulator is used to supply both the digital and the analog
> part of the HUB.
>
> Before this series:
> cat /sys/kernel/debug/regulator/regulator_summary
> ...
> v3v3 10 9 0 normal 3300mV 0mA 3300mV 3300mV
> ...
> 5800d000.usb:hub@1-vdd 1 0mA 0mV 0mV
> ...
> vdda 1 1 0 unknown 2900mV 0mA 2900mV 2900mV
> 5800d000.usb:hub@1-vdda 1 0mA 0mV 0mV
>
> After:
> v3v3 11 10 0 normal 3300mV 0mA 3300mV 3300mV
> ...
> 5800d000.usb:hub@1-vdda 1 0mA 0mV 0mV
> 5800d000.usb:hub@1-vdd 1 0mA 0mV 0mV
> ...
> vdda 0 0 0 unknown 2900mV 0mA 2900mV 2900mV
>
> ---
> Changes in v2:
> - Overwrite vdda-supply in stm32mp157f-dk2-scmi as pointed by Sashiko
> - Link to v1: https://patch.msgid.link/20260821-usb_fixes_vdda-v1-v1-0-0c213062165f@foss.st.com
>
> To: Rob Herring <robh@kernel.org>
> To: Krzysztof Kozlowski <krzk+dt@kernel.org>
> To: Conor Dooley <conor+dt@kernel.org>
> To: Maxime Coquelin <mcoquelin.stm32@gmail.com>
> To: Alexandre Torgue <alexandre.torgue@foss.st.com>
> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> To: Catalin Popescu <catalin.popescu@leica-geosystems.com>
> Cc: devicetree@vger.kernel.org
> Cc: linux-stm32@st-md-mailman.stormreply.com
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org
>
> ---
> Fabrice Gasnier (3):
> ARM: dts: stm32: fix vdda supply for onboard hub on stm32mp15 DK boards
> ARM: dts: stm32: fix vdda supply for onboard hub on stm32mp157c-ev1
> ARM: dts: stm32: fix vdda supply for onboard hub on stm32mp135f-dk
>
> arch/arm/boot/dts/st/stm32mp135f-dk.dts | 1 +
> arch/arm/boot/dts/st/stm32mp157c-ev1.dts | 1 +
> arch/arm/boot/dts/st/stm32mp157f-dk2-scmi.dtsi | 1 +
> arch/arm/boot/dts/st/stm32mp15xx-dkx.dtsi | 1 +
> 4 files changed, 4 insertions(+)
> ---
> base-commit: 8d3ae59288f1e7d58d76558a6ee96d533bc5019f
> change-id: 20260821-usb_fixes_vdda-v1-0e5eea790b2a
>
> Best regards,
> --
> Fabrice Gasnier <fabrice.gasnier@foss.st.com>
>
Series applied on stm32-next.
Regards
Alex
prev parent reply other threads:[~2026-09-11 16:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-21 14:57 [PATCH v2 0/3] ARM: dts: stm32: Fix STM32MP1 ev and dk USB onboard HUB supplies Fabrice Gasnier
2026-08-21 14:57 ` [PATCH v2 1/3] ARM: dts: stm32: fix vdda supply for onboard hub on stm32mp15 DK boards Fabrice Gasnier
2026-08-21 14:57 ` [PATCH v2 2/3] ARM: dts: stm32: fix vdda supply for onboard hub on stm32mp157c-ev1 Fabrice Gasnier
2026-08-21 14:57 ` [PATCH v2 3/3] ARM: dts: stm32: fix vdda supply for onboard hub on stm32mp135f-dk Fabrice Gasnier
2026-09-11 16:33 ` Alexandre TORGUE [this message]
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