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Wed, 6 Mar 2019 08:59:23 -0600 Received: from DFLE109.ent.ti.com (10.64.6.30) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1591.10; Wed, 6 Mar 2019 08:59:23 -0600 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1591.10 via Frontend Transport; Wed, 6 Mar 2019 08:59:23 -0600 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id x26ExNZE012478; Wed, 6 Mar 2019 08:59:23 -0600 Date: Wed, 6 Mar 2019 08:58:37 -0600 From: Nishanth Menon To: Lokesh Vutla Subject: Re: [PATCH v2 2/5] dt-bindings: ti_sci_pm_domains: Add support for exclusive access Message-ID: <20190306145837.e55igfgrjdm3wq3b@kahuna> References: <20190223093232.29003-1-lokeshvutla@ti.com> <20190223093232.29003-3-lokeshvutla@ti.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190223093232.29003-3-lokeshvutla@ti.com> User-Agent: NeoMutt/20171215 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190306_065928_038443_3707E6B5 X-CRM114-Status: GOOD ( 18.53 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Device Tree Mailing List , Sekhar Nori , Tero Kristo , Rob Herring , Santosh Shilimkar , Linux ARM Mailing List 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 15:02-20190223, Lokesh Vutla wrote: > TISCI protocol supports for enabling the device with exclusive > permissions. Certain remoteproc devices or some shared devices > across VM doesn't wants to request devices with this flag set. > So add support for getting this information from DT by increasing > the power-domain cells to 2. > > Signed-off-by: Lokesh Vutla > --- > Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt b/Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt > index f7b00a7c0f68..5fdda7475023 100644 > --- a/Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt > +++ b/Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt > @@ -19,8 +19,11 @@ child of the pmmc node. > Required Properties: > -------------------- > - compatible: should be "ti,sci-pm-domain" > -- #power-domain-cells: Must be 1 so that an id can be provided in each > - device node. > +- #power-domain-cells: Can be one of the following: > + 1: Containing the device id of each node > + 2: First entry should be device id > + Second entry should be 1 or 0. Use 1 for enabling > + the device with exclusive permissions set else 0. Rob, any thoughts? -- Regards, Nishanth Menon _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel