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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j1UFo-0001SV-8e; Tue, 11 Feb 2020 12:03:00 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j1UFl-0001S6-6h for linux-arm-kernel@lists.infradead.org; Tue, 11 Feb 2020 12:02:58 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id A17631FB; Tue, 11 Feb 2020 04:02:56 -0800 (PST) Received: from bogus (e103737-lin.cambridge.arm.com [10.1.197.49]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 360283F6CF; Tue, 11 Feb 2020 04:02:55 -0800 (PST) Date: Tue, 11 Feb 2020 12:02:53 +0000 From: Sudeep Holla To: Peng Fan Subject: Re: [PATCH 1/2] dt-bindings: arm: arm,scmi: add smc/hvc transports Message-ID: <20200211120253.GB52147@bogus> References: <1580994086-17850-1-git-send-email-peng.fan@nxp.com> <1580994086-17850-2-git-send-email-peng.fan@nxp.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200211_040257_284758_9E3CEFFE X-CRM114-Status: GOOD ( 15.85 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "mark.rutland@arm.com" , "devicetree@vger.kernel.org" , "f.fainelli@gmail.com" , Marc Zyngier , "linux-kernel@vger.kernel.org" , "andre.przywara@arm.com" , "robh+dt@kernel.org" , dl-linux-imx , "viresh.kumar@linaro.org" , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Feb 10, 2020 at 12:59:43AM +0000, Peng Fan wrote: > > Subject: [PATCH 1/2] dt-bindings: arm: arm,scmi: add smc/hvc transports > > > > From: Peng Fan > > > > SCMI could use SMC/HVC as tranports, so add into devicetree binding doc. > > > > Signed-off-by: Peng Fan > > --- > > Documentation/devicetree/bindings/arm/arm,scmi.txt | 4 +++- > > 1 file changed, 3 insertions(+), 1 deletion(-) > > > > diff --git a/Documentation/devicetree/bindings/arm/arm,scmi.txt > > b/Documentation/devicetree/bindings/arm/arm,scmi.txt > > index f493d69e6194..03cff8b55a93 100644 > > --- a/Documentation/devicetree/bindings/arm/arm,scmi.txt > > +++ b/Documentation/devicetree/bindings/arm/arm,scmi.txt > > @@ -14,7 +14,7 @@ Required properties: > > > > The scmi node with the following properties shall be under the /firmware/ > > node. > > > > -- compatible : shall be "arm,scmi" > > +- compatible : shall be "arm,scmi" or "arm,scmi-smc" > > One question here, are you fine with compatible "arm,scmi-smc" or > add a new property 'transport' such as: Not required. > transport = "mailbox"; for mailbox > transport = "smc"; for smc and hvc. > Each transport will have it's own specific property like mailboxes for mailbox, smc/hvc function IDs for SMC/HVC. That should be sufficient. -- Regards, Sudeep _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel