From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail11.truemail.it (mail11.truemail.it [217.194.8.81]) (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 F00496A01C; Fri, 1 Mar 2024 09:00:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.194.8.81 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709283626; cv=none; b=GRMuYsEnHosUhqPB5Mr1gs5pvgSFPXFhZLrvjIQZTHfL4vOfKlmxdVXcE0lOgPIsTZDYe25fTC17oWqAY0QgAh2xKqx/itBsxQFjJTahf0lnMdnremorVPZgMCn8OI0YoLJChD1jWHi057SlNz/refzEQQOlrRHpIOCo8JbFm/Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709283626; c=relaxed/simple; bh=SRR5laSaf3dxRN/Qmp9ZYXH6mHJfmvhGvnG0vUjM6JE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=rtBknhtEjrnFZGD2yAp05AbCth8xRA5n/pj81Mei2O+fyHtZQr87PzyAJOwftPUDdwzX/6dIMjWfpd/AMo8qFarpYGtRzZ2wlCsXp0eIQU7bUqAITFvhQt6qM8B/qk6WxfKQI9/pGh1FpwBjZKahEmQ1saQn1DH8bndOaOL4VBs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it; spf=pass smtp.mailfrom=dolcini.it; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b=IfmzeAjg; arc=none smtp.client-ip=217.194.8.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=dolcini.it Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b="IfmzeAjg" Received: from francesco-nb (93-49-2-63.ip317.fastwebnet.it [93.49.2.63]) by mail11.truemail.it (Postfix) with ESMTPA id B174C2208F; Fri, 1 Mar 2024 10:00:12 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1709283613; bh=icnTFb6jMxQwiDQb08/KnNZdQPGMbV7AyxxSbGvlk+M=; h=From:To:Subject; b=IfmzeAjgmMw5XKQ2zRa9/jXW8XwinnKdY9CqjERn2OTzr/+2VZRO9qIsf2qjbNVby JK34VWsIVo64KHNBu6UX6qySOznRLLBO2zQ+r3lC8/UgOiMti5VKfc3cDrPXj7Wp0A 7t7OaE49VkKb7OGrQfCvfXHBFSp28HpZewQ+685u+HA8cFqcuuQ1Djp/iT1Qt+2aUn 2varzrojjMh/KEuDa4YXFyGDv9PObUEaXbsjqIiXDRuFCitB8CAy5zJGynASVel14i oao8XEw953C3QFdU+rl7tNI1hDgalSK/QxC6SpRTdH4oTD4ctf3kZgejrU9Fw2eGeq 4MXoySOXra+xA== Date: Fri, 1 Mar 2024 10:00:07 +0100 From: Francesco Dolcini To: Stefan Eichenberger Cc: nm@ti.com, vigneshr@ti.com, kristo@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, francesco.dolcini@toradex.com, Stefan Eichenberger Subject: Re: [PATCH v1 1/2] arm64: dts: ti: k3-am62-verdin: replace sleep-moci hog with regulator Message-ID: <20240301090007.GA6605@francesco-nb> References: <20240301084901.16656-1-eichest@gmail.com> <20240301084901.16656-2-eichest@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240301084901.16656-2-eichest@gmail.com> On Fri, Mar 01, 2024 at 09:49:00AM +0100, Stefan Eichenberger wrote: > From: Stefan Eichenberger > > The Verdin family has a signal called sleep-moci which can be used to > turn off peripherals on the carrier board when the SoM goes into > suspend. So far we have hogged this signal, which means the peripherals > are always on and it is not possible to add peripherals that depend on > the sleep-moci to be on. With this change, we replace the hog with a > regulator so that peripherals can add their own regulators that use the > same gpio. Carrier boards that allow peripherals to be powered off in > suspend can disable this regulator and implement their own regulator to > control the sleep-moci. > > Signed-off-by: Stefan Eichenberger Reviewed-by: Francesco Dolcini