From patchwork Mon May 12 16:06:30 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gabriel FERNANDEZ X-Patchwork-Id: 4159701 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 B04D59F387 for ; Mon, 12 May 2014 16:13:03 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E25E0202FE for ; Mon, 12 May 2014 16:13:02 +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 17E0F202B4 for ; Mon, 12 May 2014 16:13:02 +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 1WjsnS-0000Vw-Me; Mon, 12 May 2014 16:09:46 +0000 Received: from mx07-00178001.pphosted.com ([62.209.51.94]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WjsmW-0007wc-Sh for linux-arm-kernel@lists.infradead.org; Mon, 12 May 2014 16:08:50 +0000 Received: from pps.filterd (m0046670.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.14.5/8.14.5) with SMTP id s4CFYaiO012173; Mon, 12 May 2014 18:07:43 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 1ktt6s28ad-1 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=NOT); Mon, 12 May 2014 18:07:43 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 17D645A; Mon, 12 May 2014 16:07:00 +0000 (GMT) Received: from mail7.sgp.st.com (unknown [164.129.223.81]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id CA68659F47; Mon, 12 May 2014 16:06:59 +0000 (GMT) Received: from lmenx315.lme.st.com (lmenx315.lme.st.com [10.201.19.41]) by mail7.sgp.st.com (MOS 4.3.3-GA) with ESMTP id BZH06826 (AUTH frq07381); Mon, 12 May 2014 18:06:58 +0200 From: Gabriel FERNANDEZ To: mturquette@linaro.org, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, rdunlap@infradead.org Subject: [PATCH 02/12] clk: st: Adds Flexgen clock binding Date: Mon, 12 May 2014 18:06:30 +0200 Message-Id: <1399910800-12847-3-git-send-email-gabriel.fernandez@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1399910800-12847-1-git-send-email-gabriel.fernandez@linaro.org> References: <1399910800-12847-1-git-send-email-gabriel.fernandez@linaro.org> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.11.96, 1.0.14, 0.0.0000 definitions=2014-05-12_02:2014-05-12, 2014-05-12, 1970-01-01 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140512_090849_332528_9EAAD326 X-CRM114-Status: UNSURE ( 8.74 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.7 (/) Cc: devicetree@vger.kernel.org, kernel@stlinux.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Gabriel Fernandez , Lee Jones , 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-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP A Flexgen structure is composed by: - a clock cross bar (represented by a mux element) - a pre and final dividers (represented by a divider and gate elements) Signed-off-by: Gabriel Fernandez --- .../devicetree/bindings/clock/st/st,clkgen.txt | 5 +++ .../devicetree/bindings/clock/st/st,flexgen.txt | 48 ++++++++++++++++++++++ 2 files changed, 53 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/st/st,flexgen.txt diff --git a/Documentation/devicetree/bindings/clock/st/st,clkgen.txt b/Documentation/devicetree/bindings/clock/st/st,clkgen.txt index 55506c2..afb65e6 100644 --- a/Documentation/devicetree/bindings/clock/st/st,clkgen.txt +++ b/Documentation/devicetree/bindings/clock/st/st,clkgen.txt @@ -32,6 +32,10 @@ address is common of all subnode. vcc_node { ... }; + + flexgen_node { + ... + }; ... }; @@ -45,6 +49,7 @@ Each subnode should use the binding discribe in [2]..[7] [5] Documentation/devicetree/bindings/clock/st,clkgen-prediv.txt [6] Documentation/devicetree/bindings/clock/st,vcc.txt [7] Documentation/devicetree/bindings/clock/st,quadfs.txt +[8] Documentation/devicetree/bindings/clock/st,flexgen.txt Required properties: diff --git a/Documentation/devicetree/bindings/clock/st/st,flexgen.txt b/Documentation/devicetree/bindings/clock/st/st,flexgen.txt new file mode 100644 index 0000000..ce908dd --- /dev/null +++ b/Documentation/devicetree/bindings/clock/st/st,flexgen.txt @@ -0,0 +1,48 @@ +Binding for a type of flexgen structure found on certain +STMicroelectronics consumer electronics SoC devices + +This structure includes: +- a clock cross bar (represented by a mux element) +- a pre and final dividers (represented by a divider and gate elements) + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be: + "st,flexgen" + +- #clock-cells : from common clock binding; shall be set to 1. + +- clocks : from common clock binding + +- clock-output-names : From common clock binding. The block has 4 + clock outputs but not all of them in a specific instance + have to be used in the SoC. If a clock name is left as + an empty string then no clock will be created for the + output associated with that string index. If fewer than + 4 strings are provided then no clocks will be created + for the remaining outputs. + +Example: + + clockgenD2@x9106000 { + compatible = "st,clkgen-c32"; + reg = <0x9106000 0x1000>; + + CLK_S_D2_FLEXGEN: CLK_S_D2_FLEXGEN { + compatible = "st,flexgen"; + + #clock-cells = <1>; + clocks = <&CLK_S_D2_QUADFS 0>, + <&CLK_S_D2_QUADFS 1>, + <&CLK_S_D2_QUADFS 2>, + <&CLK_S_D2_QUADFS 3>; + + clock-output-names = "CLK_PIX_MAIN_DISP", + "CLK_PIX_PIP", + "CLK_PIX_GDP1", + "CLK_PIX_GDP2"; + }; + };