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Thu, 13 Dec 2018 13:49:47 +0100 Received: from lvloginb.cadence.com (localhost [127.0.0.1]) by lvloginb.cadence.com (8.14.4/8.14.4) with ESMTP id wBDCnjer000760; Thu, 13 Dec 2018 12:49:45 GMT Received: (from jank@localhost) by lvloginb.cadence.com (8.14.4/8.14.4/Submit) id wBDCnijK000749; Thu, 13 Dec 2018 12:49:44 GMT From: Jan Kotas To: , , , CC: , , , Jan Kotas Subject: [PATCH v2 1/2] dt-bindings: clk: Add bindings for Fixed MMIO clock Date: Thu, 13 Dec 2018 12:49:28 +0000 Message-ID: <20181213124929.32736-2-jank@cadence.com> X-Mailer: git-send-email 2.15.0 In-Reply-To: <20181213124929.32736-1-jank@cadence.com> References: <20181213124929.32736-1-jank@cadence.com> MIME-Version: 1.0 Content-Type: text/plain X-OrganizationHeadersPreserved: maileu3.global.cadence.com X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:158.140.1.28;IPV:CAL;SCL:-1;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(346002)(136003)(376002)(396003)(39860400002)(2980300002)(199004)(189003)(36092001)(336012)(426003)(316002)(8936002)(50226002)(8676002)(51416003)(42186006)(16586007)(54906003)(110136005)(246002)(11346002)(26005)(76176011)(86362001)(356004)(186003)(486006)(6666004)(7636002)(48376002)(47776003)(305945005)(50466002)(446003)(126002)(2906002)(4326008)(107886003)(476003)(2616005)(1076002)(87636003)(5660300001)(106466001)(105596002)(478600001)(26826003)(36756003);DIR:OUT;SFP:1101;SCL:1;SRVR:DM5PR0701MB3720;H:sjmaillnx1.cadence.com;FPR:;SPF:SoftFail;LANG:en;PTR:corp.cadence.com;A:1;MX:1; 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Signed-off-by: Jan Kotas --- .../devicetree/bindings/clock/fixed-mmio-clock.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/fixed-mmio-clock.txt diff --git a/Documentation/devicetree/bindings/clock/fixed-mmio-clock.txt b/Documentation/devicetree/bindings/clock/fixed-mmio-clock.txt new file mode 100644 index 000000000..c359367fd --- /dev/null +++ b/Documentation/devicetree/bindings/clock/fixed-mmio-clock.txt @@ -0,0 +1,24 @@ +Binding for simple memory mapped io fixed-rate clock sources. +The driver reads a clock frequency value from a single 32-bit memory mapped +I/O register and registers it as a fixed rate clock. + +It was designed for test systems, like FPGA, not for complete, finished SoCs. + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be "fixed-mmio-clock". +- #clock-cells : from common clock binding; shall be set to 0. +- reg : Address and length of the clock value register set. + +Optional properties: +- clock-output-names : From common clock binding. + +Example: +sysclock: sysclock@fd020004 { + #clock-cells = <0>; + compatible = "fixed-mmio-clock"; + reg = <0xfd020004 0x4>; +}; -- 2.15.0