From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f49.google.com (mail-wr1-f49.google.com [209.85.221.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B50776BB58 for ; Sun, 18 Feb 2024 14:46:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.49 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708267572; cv=none; b=KTV3vljV5w/ufiBs2du1UJW5QOgzUQwVs7F1uEndIvpI3ZHVw6CIHy72q/ytHJfm7grl1YbvCfD6BEiM7dY+Yg34qrkLdVrLM7xomMmSk0wC1+Po3O/KhEWDCZSCehyEPSIKJ/BxOA9Jav7QtNkJfK/xYcTilylFPP317BZLmUI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708267572; c=relaxed/simple; bh=iosUuQS4Hsge6aUAa+51uAOuTnraB8RJeRtZJUtDR38=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=o9URtuQYYoVpAQ+dx1dRcWVVJQREktS+r4xsdtm6ZqNO6cQ1F2r13cgw0lvo8vRyqxFYj/3Ae42/U0+Xl+i/8AYm3dWlzCQeUm16hxgEcLDGrTHWUDHb4NpIeZUmRws64Cyn3BJdut5rUXUDxg7BWjNlWz9Cx3CCjlhSC8fE3fI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev; spf=pass smtp.mailfrom=tuxon.dev; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b=DPWn8Q9k; arc=none smtp.client-ip=209.85.221.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b="DPWn8Q9k" Received: by mail-wr1-f49.google.com with SMTP id ffacd0b85a97d-33d4c0b198aso99492f8f.2 for ; Sun, 18 Feb 2024 06:46:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxon.dev; s=google; t=1708267569; x=1708872369; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=ERt30QLtbQ5pso5+Kgc16r8asdMz9wFqsVxryo+CFdI=; b=DPWn8Q9kUTsn4SSIpupgdqTtatVVborTcsRZ+m5xzxdJ97bH/1QYGWi97g1ldMtIxZ NDlvE1ub3ujzFtscFJshz8YyNAxzNo8ITcNyO1Rm9dbO+SqRf/E1t+Av3y8WEXGYxkR4 Ebg+IJxNo+7+ZBXU0wTvWiijBaS97zSKilgVpseSlvoJN373ED31X82ze5FnjhAIpppS VTMOyhd6riFLm7x3E2Yedyhbf82zcFci5hLhhTQFZCEzcDUdI/Fl6TNtvamv97EHxYvc cfBeil7nsNSmYp5ybdQYtN8Ug8ClABnUjqEFDA8mPAKuvHCaGrUE4s3ZAdyRskj1CnAI 7wNA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708267569; x=1708872369; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ERt30QLtbQ5pso5+Kgc16r8asdMz9wFqsVxryo+CFdI=; b=Y4zCJjQs7AtvVvHQF16i7IGi1Frs56wEGjcjV4wrY7M5IAkr0x3cdhWeRYVxH4fgen ef6dCHr9X4YBDQ4ygoEo0qxZLgBpphOPMsu2E0ycgz99UGzNdQJiM3GRRLZ2xzE9QcZm xvgiT8+N59WTp4FB9nAYomtBoR2YGFf49/hRcGre73UfiE+Uu+BBVtUAmaEXEuM6vpu4 V/vDmESGA0S0TTIm71cxtcTlrumlgQ6UmPx1xpud4T7QREsWluXLf2NTAJxjqThedpGz a6ZYBFD3yLvBd/NyBwAPXM2nysqVbQovcGc4UZvgmIbPPrwEkCKq5IPVc34sfY1PPweV JXlg== X-Forwarded-Encrypted: i=1; AJvYcCVQ4Knsm+lKtRLOC135o9fegimiFlXWBHl6zJaUulKdxGlFVFzpvxk59oZTT/f19VpKUYli1YrL7CmlCfoamRGEf10SXUdAc27310E3 X-Gm-Message-State: AOJu0Yx2TIrz4E5K3X5ukaxzrwgvRRq8ovOrN3i5jguMM+2QodJ6m5Qa EwqHvLbttUtwkNJSjy6koPzM/fv4T/r06APT8BB1jCDMOmW8AEn3lu/US526D/U= X-Google-Smtp-Source: AGHT+IE2uC30XhU+hSdvIlLQPY+RFjcnTr+UCxGixDDLTupEByt/mf92E3k+le+EByn9htVoR07vWw== X-Received: by 2002:a05:6000:1564:b0:33d:500c:df18 with SMTP id 4-20020a056000156400b0033d500cdf18mr126048wrz.5.1708267569166; Sun, 18 Feb 2024 06:46:09 -0800 (PST) Received: from [192.168.50.4] ([82.78.167.20]) by smtp.gmail.com with ESMTPSA id s3-20020a5d4ec3000000b0033ce06c303csm7453944wrv.40.2024.02.18.06.46.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 18 Feb 2024 06:46:08 -0800 (PST) Message-ID: Date: Sun, 18 Feb 2024 16:46:08 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 8/8] ARM: dts: microchip: sama5d2_xplained: Add power-supply property for sdmmc0 node Content-Language: en-US To: Mihai Sain , robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, nicolas.ferre@microchip.com, alexandre.belloni@bootlin.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20240206120322.88907-1-mihai.sain@microchip.com> <20240206120322.88907-9-mihai.sain@microchip.com> From: claudiu beznea In-Reply-To: <20240206120322.88907-9-mihai.sain@microchip.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 06.02.2024 14:03, Mihai Sain wrote: > The sdmmc0 controller is powered from 3.3V regulator. Same here according to https://ww1.microchip.com/downloads/en/DeviceDoc/SAMA5D2C-XULT-User%27s-Guide-50002691E.pdf > Add vmmc-supply and vqmmc-supply properties to sdmmc0 node. > The sdmmc controller from SAMA5D2 MPU has support for > IO voltage signaling/switching required by the UHS sd-card. > In order to avoid the issues from the tuning procedure required by > the UHS cards, keep the vqmmc at 3V3 to use the sd high-speed mode. > > Signed-off-by: Mihai Sain > --- > arch/arm/boot/dts/microchip/at91-sama5d2_xplained.dts | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm/boot/dts/microchip/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/microchip/at91-sama5d2_xplained.dts > index 6680031387e8..9b7e56790a5a 100644 > --- a/arch/arm/boot/dts/microchip/at91-sama5d2_xplained.dts > +++ b/arch/arm/boot/dts/microchip/at91-sama5d2_xplained.dts > @@ -67,6 +67,8 @@ sdmmc0: sdio-host@a0000000 { > pinctrl-0 = <&pinctrl_sdmmc0_default>; > non-removable; > mmc-ddr-3_3v; > + vmmc-supply = <&vdd_3v3_reg>; > + vqmmc-supply = <&vdd_3v3_reg>; > status = "okay"; > }; >