From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D9B3318A6A8; Wed, 20 Nov 2024 10:10:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=68.232.154.123 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732097420; cv=none; b=NYx0Ds0ZbHRF6RaG1sK2fVCKWyIBFnIqqWErZv8akvAUgoANEZZ4B7bW6yt+xqOKJm5KmcrySKOcBAGQb6zUCgfu7QhqRkQLtaSL0uDtuPS48uf5UUKUf7FmRBohT8pumILRBQDrkyaYi25Si3bp7OLSdoW3owU03atLjHm4aNE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732097420; c=relaxed/simple; bh=2qaQ1SiUb+00EcaULYRvl95OFYYN7B8TVPyMTw8h0xc=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=IlAS74VutInWGFhLfYSX5E26DPG81+XDOBIsDjixMD9HpB/6132s9ibANg/w0tIet3oEcxJRNpRPL0iMktsJOltoISn1mrgJoITi2qm9mGaDoYSjbsf9cq4+hJXinVAHnO381Zo78aQjD0fltkbC1bhY5iIBR06+zTjhHqvBGvE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=microchip.com; spf=pass smtp.mailfrom=microchip.com; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b=XDH+EFjn; arc=none smtp.client-ip=68.232.154.123 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=microchip.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=microchip.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b="XDH+EFjn" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1732097419; x=1763633419; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=2qaQ1SiUb+00EcaULYRvl95OFYYN7B8TVPyMTw8h0xc=; b=XDH+EFjnbWnmr6yUyrqvCSA7+kkmmSFSuqaFtn9WWOGY4Ol77MVkdWF/ npUT+vO1h3uIBSmw5+mdyRE1omLBcfWiPkMPGX7aqN3jkYO4DSXD1ml1S M3nd0y0ImaduczI5NCIgvfXeRWmTUKMgmmRc7vEL/slSVDnNICsAwnz3n oVwjs5ukvKrGCBEI9O+CHjbb3ZEEK02Jx4dRJGjUIePUACwsB4CFtT4Pn lVjeC+BP2LZU5nRWQ21G1UXVOdsIY1S83LJAfZ1chVbpvzCH31OHqxtUs C2YGab6xjTtGx7Hb4UcmqRQFAs/7wXlOhmIqKgREHOwaPayavVKopT+p8 g==; X-CSE-ConnectionGUID: SiPX8Z95Sh2II+yWq8OwYw== X-CSE-MsgGUID: Y5GxdXWVSHejNCzyBoDztQ== X-IronPort-AV: E=Sophos;i="6.12,169,1728975600"; d="scan'208";a="35056919" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa2.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 20 Nov 2024 03:10:17 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Wed, 20 Nov 2024 03:09:37 -0700 Received: from ROB-ULT-M76677.microchip.com (10.10.85.11) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Wed, 20 Nov 2024 03:09:33 -0700 From: Andrei Simion To: CC: , , , , , , , , , , Andrei Simion Subject: Re: [PATCH 1/2] ARM: dts: microchip: sama5d29_curiosity: Add no-1-8-v property to sdmmc0 node Date: Wed, 20 Nov 2024 12:09:19 +0200 Message-ID: <20241120100918.46190-1-andrei.simion@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241119160107.598411-2-cristian.birsan@microchip.com> References: <20241119160107.598411-2-cristian.birsan@microchip.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain > From: Cristian Birsan > > 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). > > On this board, PA6 is used as GPIO to enable the power switch controlling > USB Vbus for the USB Host. The change is needed to fix the PA6 voltage > level to 3.3V instead of 1.8V. > > Fixes: d85c4229e925 ("ARM: dts: at91: sama5d29_curiosity: Add device tree for sama5d29_curiosity board") > Suggested-by: Mihai Sain > Signed-off-by: Cristian Birsan Hi, Tested-by: Andrei Simion > --- > arch/arm/boot/dts/microchip/at91-sama5d29_curiosity.dts | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/microchip/at91-sama5d29_curiosity.dts b/arch/arm/boot/dts/microchip/at91-sama5d29_curiosity.dts > index 951a0c97d3c6..5933840bb8f7 100644 > --- a/arch/arm/boot/dts/microchip/at91-sama5d29_curiosity.dts > +++ b/arch/arm/boot/dts/microchip/at91-sama5d29_curiosity.dts > @@ -514,6 +514,7 @@ kernel@200000 { > > &sdmmc0 { > bus-width = <4>; > + no-1-8-v; > pinctrl-names = "default"; > pinctrl-0 = <&pinctrl_sdmmc0_default>; > disable-wp; Best Regards, -- Andrei Simion