From: <cristian.birsan@microchip.com>
To: <robh@kernel.org>, <krzk+dt@kernel.org>, <conor+dt@kernel.org>,
<nicolas.ferre@microchip.com>, <alexandre.belloni@bootlin.com>,
<claudiu.beznea@tuxon.dev>
Cc: <devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
Cristian Birsan <cristian.birsan@microchip.com>
Subject: [PATCH 0/2] ARM: dts: microchip: Add no-1-8-v property to sdmmc0 node
Date: Tue, 19 Nov 2024 18:01:05 +0200 [thread overview]
Message-ID: <20241119160107.598411-1-cristian.birsan@microchip.com> (raw)
From: Cristian Birsan <cristian.birsan@microchip.com>
Add no-1-8-v property to sdmmc0 node to keep VDDSDMMC power rail at 3.3V.
This property will stop the LDO regulator from switching to 1.8V when the
MMC core detects an UHS SD Card. VDDSDMMC power rail is used by all the
SDMMC interface pins in GPIO mode (PA0 - PA13).
PA6 and PA10 GPIOs are used to enable the power switch controlling USB
Vbus for the USB Host.
Cristian Birsan (2):
ARM: dts: microchip: sama5d29_curiosity: Add no-1-8-v property to
sdmmc0 node
ARM: dts: microchip: sama5d27_wlsom1_ek: Add no-1-8-v property to
sdmmc0 node
arch/arm/boot/dts/microchip/at91-sama5d27_wlsom1_ek.dts | 1 +
arch/arm/boot/dts/microchip/at91-sama5d29_curiosity.dts | 1 +
2 files changed, 2 insertions(+)
base-commit: 158f238aa69d91ad74e535c73f552bd4b025109c
--
2.34.1
next reply other threads:[~2024-11-19 16:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-19 16:01 cristian.birsan [this message]
2024-11-19 16:01 ` [PATCH 1/2] ARM: dts: microchip: sama5d29_curiosity: Add no-1-8-v property to sdmmc0 node cristian.birsan
2024-11-20 10:09 ` Andrei Simion
2024-11-19 16:01 ` [PATCH 2/2] ARM: dts: microchip: sama5d27_wlsom1_ek: " cristian.birsan
2024-11-20 10:39 ` Andrei Simion
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