From patchwork Mon Apr 28 14:58:47 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris BREZILLON X-Patchwork-Id: 4078811 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 1209E9F169 for ; Mon, 28 Apr 2014 15:02:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 58433201F9 for ; Mon, 28 Apr 2014 15:02:50 +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 DF5F220268 for ; Mon, 28 Apr 2014 15:02:48 +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 1Wen2e-00063y-LP; Mon, 28 Apr 2014 15:00:24 +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 1Wen2N-0004k1-9d for linux-arm-kernel@lists.infradead.org; Mon, 28 Apr 2014 15:00:09 +0000 Received: by mail.free-electrons.com (Postfix, from userid 106) id 36E259C3; Mon, 28 Apr 2014 16:59:53 +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 (unknown [156.39.128.199]) by mail.free-electrons.com (Postfix) with ESMTPSA id 749D1858; Mon, 28 Apr 2014 16:59:20 +0200 (CEST) From: Boris BREZILLON To: =?UTF-8?q?Emilio=20L=C3=B3pez?= , Mike Turquette , Samuel Ortiz , Lee Jones Subject: [PATCH 4/7] mfd: sun6i-prcm: document DT bindings Date: Mon, 28 Apr 2014 16:58:47 +0200 Message-Id: <1398697130-8338-5-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1398697130-8338-1-git-send-email-boris.brezillon@free-electrons.com> References: <1398697130-8338-1-git-send-email-boris.brezillon@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140428_080007_671909_465098A4 X-CRM114-Status: GOOD ( 10.28 ) 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 | 71 ++++++++++++++++++++++ 1 file changed, 71 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..de92429 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/sun6i-prcm.txt @@ -0,0 +1,71 @@ +* 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>; + + /* Put subdevices here */ + ar100_mux: ar100_mux { + compatible = "allwinner,sun6i-a31-ar100-mux-clk"; + #clock-cells = <0>; + clocks = <&osc32k>, <&osc24M>, <&pll6>, <&pll6>; + }; + + ar100: ar100 { + compatible = "allwinner,sun6i-a31-ar100-clk"; + #clock-cells = <0>; + clocks = <&ar100_mux>; + }; + + ar100_div: ar100_div { + compatible = "allwinner,sun6i-a31-ar100-div-clk"; + #clock-cells = <0>; + clocks = <&ar100>; + }; + + ahb0: ahb0 { + compatible = "fixed-factor-clock"; + #clock-cells = <0>; + clock-div = <1>; + clock-mult = <1>; + clocks = <&ar100_div>; + clock-output-names = "ahb0"; + }; + + apb0: apb0 { + compatible = "allwinner,sun6i-a31-apb0-clk"; + #clock-cells = <0>; + clocks = <&ahb0>; + clock-output-names = "apb0"; + }; + + apb0_gates: apb0_gates { + 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>; + }; + };