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Tue, 12 Nov 2019 05:21:16 -0800 From: Rajan Vaja To: sre@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, michal.simek@xilinx.com, jollys@xilinx.com, tejas.patel@xilinx.com Subject: [PATCH 1/2] dt-bindings: power: reset: xilinx: Add bindings for ipi mailbox Date: Tue, 12 Nov 2019 05:20:50 -0800 Message-Id: <1573564851-9275-2-git-send-email-rajan.vaja@xilinx.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1573564851-9275-1-git-send-email-rajan.vaja@xilinx.com> References: <1573564851-9275-1-git-send-email-rajan.vaja@xilinx.com> X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23620.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:149.199.60.83; IPV:NLI; CTRY:US; EFV:NLI; SFV:NSPM; SFS:(10009020)(4636009)(39860400002)(396003)(376002)(136003)(346002)(199004)(189003)(81156014)(81166006)(316002)(305945005)(106002)(8936002)(50466002)(36756003)(48376002)(50226002)(8676002)(478600001)(2906002)(5660300002)(16586007)(9786002)(476003)(76176011)(26005)(11346002)(15650500001)(6636002)(7696005)(70206006)(70586007)(446003)(2616005)(4326008)(126002)(186003)(6666004)(356004)(336012)(107886003)(44832011)(47776003)(36386004)(486006)(51416003)(426003); 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Ip=[149.199.60.83]; Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR02MB3714 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191112_052136_634379_C7411499 X-CRM114-Status: GOOD ( 11.65 ) 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: devicetree@vger.kernel.org, Rajan Vaja , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.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 Add IPI mailbox property and its example in xilinx zynqmp-power documentation. Signed-off-by: Rajan Vaja --- .../bindings/power/reset/xlnx,zynqmp-power.txt | 41 ++++++++++++++++++++-- 1 file changed, 38 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.txt b/Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.txt index d366f1e..450f3a4 100644 --- a/Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.txt +++ b/Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.txt @@ -8,9 +8,27 @@ Required properties: - compatible: Must contain: "xlnx,zynqmp-power" - interrupts: Interrupt specifier -------- -Example -------- +Optional properties: + - mbox-names : Name given to channels seen in the 'mboxes' property. + "rx" - Mailbox corresponding to receive path + "tx" - Mailbox corresponding to transmit path + - mboxes : Standard property to specify a Mailbox. Each value of + the mboxes property should contain a phandle to the + mailbox controller device node and an args specifier + that will be the phandle to the intended sub-mailbox + child node to be used for communication. See + Documentation/devicetree/bindings/mailbox/mailbox.txt + for more details about the generic mailbox controller + and client driver bindings. Also see + Documentation/devicetree/bindings/mailbox/ \ + xlnx,zynqmp-ipi-mailbox.txt for typical controller that + is used to communicate with this System controllers. + +-------- +Examples +-------- + +Example with interrupt method: firmware { zynqmp_firmware: zynqmp-firmware { @@ -23,3 +41,20 @@ firmware { }; }; }; + +Example with IPI mailbox method: + +firmware { + + zynqmp_firmware: zynqmp-firmware { + compatible = "xlnx,zynqmp-firmware"; + method = "smc"; + + zynqmp_power: zynqmp-power { + compatible = "xlnx,zynqmp-power"; + mboxes = <&ipi_mailbox_pmu0 0>, + <&ipi_mailbox_pmu0 1>; + mbox-names = "tx", "rx"; + }; + }; +}; -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel