From patchwork Fri May 9 11:11:48 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris BREZILLON X-Patchwork-Id: 4141701 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 77B1DBFF02 for ; Fri, 9 May 2014 11:15:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A7F22201F7 for ; Fri, 9 May 2014 11:15:07 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E2120201DD for ; Fri, 9 May 2014 11:15:06 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wiij4-00087m-Gn; Fri, 09 May 2014 11:12:26 +0000 Received: from top.free-electrons.com ([176.31.233.9] helo=mail.free-electrons.com) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wiiiw-00081e-5V for linux-arm-kernel@lists.infradead.org; Fri, 09 May 2014 11:12:19 +0000 Received: by mail.free-electrons.com (Postfix, from userid 106) id 5ED7C816; Fri, 9 May 2014 13:12:03 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from localhost.localdomain (col31-4-88-188-83-94.fbx.proxad.net [88.188.83.94]) by mail.free-electrons.com (Postfix) with ESMTPSA id 6C81C812; Fri, 9 May 2014 13:12:02 +0200 (CEST) From: Boris BREZILLON To: =?UTF-8?q?Emilio=20L=C3=B3pez?= , Mike Turquette , Samuel Ortiz , Lee Jones Subject: [PATCH v3 4/7] mfd: sun6i-prcm: document DT bindings Date: Fri, 9 May 2014 13:11:48 +0200 Message-Id: <1399633911-7094-5-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1399633911-7094-1-git-send-email-boris.brezillon@free-electrons.com> References: <1399633911-7094-1-git-send-email-boris.brezillon@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140509_041218_445745_8B4E7110 X-CRM114-Status: GOOD ( 10.09 ) X-Spam-Score: 0.3 (/) Cc: devicetree@vger.kernel.org, linux-doc@vger.kernel.org, dev@linux-sunxi.org, Boris BREZILLON , Randy Dunlap , linux-kernel@vger.kernel.org, Hans de Goede , Chen-Yu Tsai , Philipp Zabel , Shuge , Maxime Ripard , kevin@allwinnertech.com, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Document DT bindings of the PRCM (Power/Reset/Clock Management) unit. Signed-off-by: Boris BREZILLON --- .../devicetree/bindings/mfd/sun6i-prcm.txt | 59 ++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/sun6i-prcm.txt diff --git a/Documentation/devicetree/bindings/mfd/sun6i-prcm.txt b/Documentation/devicetree/bindings/mfd/sun6i-prcm.txt new file mode 100644 index 0000000..1f5a31f --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/sun6i-prcm.txt @@ -0,0 +1,59 @@ +* Allwinner PRCM (Power/Reset/Clock Management) Multi-Functional Device + +PRCM is an MFD device exposing several Power Management related devices +(like clks and reset controllers). + +Required properties: + - compatible: "allwinner,sun6i-a31-prcm" + - reg: The PRCM registers range + +The prcm node may contain several subdevices definitions: + - see Documentation/devicetree/clk/sunxi.txt for clock devices + - see Documentation/devicetree/reset/allwinner,sunxi-clock-reset.txt for reset + controller devices + + +Example: + + prcm: prcm@01f01400 { + compatible = "allwinner,sun6i-a31-prcm"; + reg = <0x01f01400 0x200>; + + /* Put subdevices here */ + ar100: ar100_clk { + compatible = "allwinner,sun6i-a31-ar100-clk"; + #clock-cells = <0>; + clocks = <&osc32k>, <&osc24M>, <&pll6>, <&pll6>; + }; + + ahb0: ahb0_clk { + compatible = "fixed-factor-clock"; + #clock-cells = <0>; + clock-div = <1>; + clock-mult = <1>; + clocks = <&ar100_div>; + clock-output-names = "ahb0"; + }; + + apb0: apb0_clk { + compatible = "allwinner,sun6i-a31-apb0-clk"; + #clock-cells = <0>; + clocks = <&ahb0>; + clock-output-names = "apb0"; + }; + + apb0_gates: apb0_gates_clk { + compatible = "allwinner,sun6i-a31-apb0-gates-clk"; + #clock-cells = <1>; + clocks = <&apb0>; + clock-output-names = "apb0_pio", "apb0_ir", + "apb0_timer01", "apb0_p2wi", + "apb0_uart", "apb0_1wire", + "apb0_i2c"; + }; + + apb0_rst: apb0_rst { + compatible = "allwinner,sun6i-a31-clock-reset"; + #reset-cells = <1>; + }; + };