From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-vs1-f51.google.com (mail-vs1-f51.google.com [209.85.217.51]) (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 E8DBD19F410 for ; Tue, 3 Sep 2024 11:00:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.217.51 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725361221; cv=none; b=G6m6fsqBZj4qZK6pwWCdB22me5Y01JFLe3EdZzENlP0DreelCXMAjv8L9f+JxroC+T8t8vPU10zk3gArnBGIxPdtjwWpFOginN+zIGommc4XDTdefRIoJfVENid/4yQI1hAZrD1qa0Ut1TXfFZCXJ273PEH7/l883VwQYESbeGs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725361221; c=relaxed/simple; bh=UO59GE3YEI54l2X9UqluH/rG/n6+zP+/1w4DtVlLAko=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=t8XRAXtafE1ifVkhDMP4wZ2Ramr2jJ4QkEndfzz97IexKUER8CjC7q9HwxdPYKERXnXOj88HuolTG0MKZccBSHNzrhlwYRUL6z+QL1z+T3hKEnNaj5JqB0XOwXXrTy1ai1OZRl1xvvb3DbZAvd3KKuFp0G1BwCsmVn69xU7kEgU= 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=dV7Hjoa7; arc=none smtp.client-ip=209.85.217.51 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="dV7Hjoa7" Received: by mail-vs1-f51.google.com with SMTP id ada2fe7eead31-498dccd3ce1so1697444137.1 for ; Tue, 03 Sep 2024 04:00:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxon.dev; s=google; t=1725361219; x=1725966019; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=35ye01cj8maiCra/xx+0mtB7wu3vvnw0f4Z2moOlFvQ=; b=dV7Hjoa7hcn4Bi10kS3fC+RsXSppCHUWtf/uAGDstzJaZ67MYnss4gONKptlnGhiMU WQPzkj+67/l+otEs+s3g91gkIZs8ZQF0NxHKVZDUrn786hhc7GhpJnIuKRQJwjUWp3Q3 J/X2MKcVaAo8USyMDbbmdcPOq2MR0kSpMNs2ZBCTzfrf87b9X2BhRE3T01RLotfcmQPe WOD67Gxadqx3PR9hgqFyCDlXtnvTmUO+jKamTztd1dO43yDgOcyOuuveXDQmBWPBSI7q LUuRWc0O4dSlxGGtwUu0ywc2FdoQg2nCZ/DSIRsLB09+weLmuPZZf0yjxuOLyQzg2A7A CtFg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725361219; x=1725966019; h=content-transfer-encoding:in-reply-to:from:references:cc: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=35ye01cj8maiCra/xx+0mtB7wu3vvnw0f4Z2moOlFvQ=; b=trMfq8666z2+83ymNRHZSnEXR32ZZP0VjREbkaenQHm6rnArAY+n8Dgbn4I2m6Tx01 tLqwHsomcmowTasEcGoED/rWJfO9lbgDS2tOE2mMc0GpSxZOzcN6+5u22kKtLh/EvWdy ii6KwyUx/nRm1nHnEe48/16JEvqIBYxwdnhZdluW2ouUJS06fXAJawEzY9pVIvIV+aQT bmKNIANKBHlN2TYRrDkSXDynnM0Aaaug+JXURc18VcB34vF5N67k6+hnlejbfIxmRWYX BTRnxjdG5ozWsF7pP+1EWw6X0F6rU9fqZqCC3Z78RDQOUCpRXSb/Uh9uIa+if0E3+vgV c27g== X-Forwarded-Encrypted: i=1; AJvYcCUDCmxilLQb0uZkqqO4YLbI5PDGroyKIKKq25DZVen5KBTAtcdt9mzaZxdMzLjm9mjnbty74GrCMUeS@vger.kernel.org X-Gm-Message-State: AOJu0Yxrcvu06qlZKLNrFH33eX549UY6I4nCcgwVYItTKYcYufNggwf+ wnPsgIhwIwNjL8jk5KVh5xm49n7+y7UPPsdbU44GDNmXcQ9Gddensxj0EmcHC5g= X-Google-Smtp-Source: AGHT+IEyWkWxB3kdP1wMXyn+HAeVNB8ptUkhduOrIrlTeYDpqYQo7fk5GbJaIlaHBt5fb9HAnogEug== X-Received: by 2002:a05:6102:3ecc:b0:492:9927:a5c6 with SMTP id ada2fe7eead31-49a778b6632mr12051931137.12.1725361218664; Tue, 03 Sep 2024 04:00:18 -0700 (PDT) Received: from [192.168.50.4] ([82.78.167.144]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7a806d87633sm507928685a.136.2024.09.03.04.00.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 03 Sep 2024 04:00:18 -0700 (PDT) Message-ID: Date: Tue, 3 Sep 2024 14:00:11 +0300 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 00/16] Add initial USB support for the Renesas RZ/G3S SoC Content-Language: en-US To: Biju Das , Ulf Hansson Cc: "vkoul@kernel.org" , "kishon@kernel.org" , "robh@kernel.org" , "krzk+dt@kernel.org" , "conor+dt@kernel.org" , "p.zabel@pengutronix.de" , "geert+renesas@glider.be" , "magnus.damm@gmail.com" , "gregkh@linuxfoundation.org" , "mturquette@baylibre.com" , "sboyd@kernel.org" , Yoshihiro Shimoda , "linux-phy@lists.infradead.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-renesas-soc@vger.kernel.org" , "linux-usb@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-clk@vger.kernel.org" , "linux-pm@vger.kernel.org" , Claudiu Beznea References: <20240822152801.602318-1-claudiu.beznea.uj@bp.renesas.com> <99bef301-9f6c-4797-b47e-c83e56dfbda9@tuxon.dev> <5556d176-cca7-492c-ba21-48256d5d6338@tuxon.dev> <590a4fb2-24b2-432b-92db-534c5a52ed0b@tuxon.dev> <35dc7414-f5bd-4ed4-bfa1-f723f4f0078c@tuxon.dev> From: claudiu beznea In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 03.09.2024 13:31, Biju Das wrote: >>> During boot clr USB PWR READY signal in TF-A. >>> STR case, suspend set USB PWR READY signal in TF-A. >>> STR case, resume clr USB PWR READY signal in TF-A. >> As I said previously, it can be done in different ways. My point was to let Linux set what it needs >> for all it's devices to work. I think the way to go forward is a maintainer decision. > > I agree, there can be n number of solution for a problem. > > Since you modelled system state signal (USB PWRRDY) as reset control signal, it is reset/DT maintainer's decision > to say the final word whether this signal fits in reset system framework or not? I was thinking: 1/ Geert would be the best to say if he considers it OK to handle this in Linux 2/ if OK, then we should get approval from Ulf and Philipp on the power domain or reset approaches Thank you, Claudiu Beznea > > Cheers, > biju