From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 657D6C5475B for ; Fri, 1 Mar 2024 09:00:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=qQ+cfJABmKE31uwcdogojBiPV1Aeozz8y4ceakJlAhg=; b=C5GU6U+Q3u3mOF wyEuielkwSxEILff2q+3BwpcXHl0uwHG8wTiZt3VQdUtrxFdKHURpA3fS4wY5QvVIuRS5VN2DTGGu j/L/QGQ55vNM7tMJE/hgchgQHcxJu10SEcJbxK7XD/Fsd0in+wJ6Tldws9oJAWWaouwcK/XZ+pIXl mNq5WAYaueEO+C3DzTit2mMrGdAzbtFfvAqWiJXGVa1M8DhB9Ta1VzSbvJyn0vy0Ck1RKsrIIOtrv ZKzdVqsoJuJOIDhPgR8lDorytH8JcLGEwEvc8QI2tQWVpXwNXhXflIfwzGpyhd5Aooz1Qh54SbcCX 7oqyzv7dzhKXNT8qe8Ig==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rfykl-0000000H1yq-0JS8; Fri, 01 Mar 2024 09:00:27 +0000 Received: from mail11.truemail.it ([2001:4b7e:0:8::81]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rfykg-0000000H1x4-49JB for linux-arm-kernel@lists.infradead.org; Fri, 01 Mar 2024 09:00:25 +0000 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> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240301084901.16656-2-eichest@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240301_010024_080850_8DC9A17A X-CRM114-Status: GOOD ( 12.62 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel