From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lokesh Vutla Subject: [PATCH v2 2/5] dt-bindings: ti_sci_pm_domains: Add support for exclusive access Date: Sat, 23 Feb 2019 15:02:29 +0530 Message-ID: <20190223093232.29003-3-lokeshvutla@ti.com> References: <20190223093232.29003-1-lokeshvutla@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190223093232.29003-1-lokeshvutla@ti.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Nishanth Menon , Tero Kristo , Santosh Shilimkar Cc: Lokesh Vutla , Device Tree Mailing List , Rob Herring , Sekhar Nori , Linux ARM Mailing List List-Id: devicetree@vger.kernel.org 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. Example (K2G): ------------- -- 2.19.2