From patchwork Sun Jul 23 17:49:04 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Kaiser X-Patchwork-Id: 9858519 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0A153602CB for ; Sun, 23 Jul 2017 17:52:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F0D592818A for ; Sun, 23 Jul 2017 17:52:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E5AF228464; Sun, 23 Jul 2017 17:52:30 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 99E4A2818A for ; Sun, 23 Jul 2017 17:52:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=+WolMZ6kJOfWPZ7lZ5FHWkP2lHMOJ09laga+KA7OX4A=; b=RmWMYhiRBwsyCVm4MZlK249mKU QQrWn2Li0jVNT4MjOuBu20UF8yk6vU9jewyViv6ft6tELX4iuzohiyTXSsPzacQ9SC/SHoNGa8teh HH0KAHMWhPgCEAIPHxjwjkfONCqT5bc7+3lV5CNGPoDuveE3bv9nHHKBEhEZWyAFQtz/9X07VrzTf MlPPHrDu8Gnw/vQAwdKdUznUjHPSxIbWc5W1xQVRBpArzHWm8vpUSSGE+wdsMQYs7Db1RQpCXQRc2 rCs4nwBOwTnXSm93uKNWpasvXz4DxYwr7GBVJU8xKxmYHoNqzMXyPJ+6yJxEW7dTMn0MXVaf8haHt 2alQpSLA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dZL3K-00035j-Iz; Sun, 23 Jul 2017 17:52:26 +0000 Received: from botnar.kaiser.cx ([176.28.20.183]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dZL34-0002qZ-Hm for linux-arm-kernel@lists.infradead.org; Sun, 23 Jul 2017 17:52:12 +0000 Received: from p4fdc8d32.dip0.t-ipconnect.de ([79.220.141.50] helo=reykholt.kaiser.cx) by botnar.kaiser.cx with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.72) (envelope-from ) id 1dZL0O-0006DM-W5; Sun, 23 Jul 2017 19:49:25 +0200 From: Martin Kaiser To: Steffen Trumtrar , Shawn Guo , Herbert Xu Subject: [PATCH v6 1/3] Documentation: devicetree: add Freescale RNGC binding Date: Sun, 23 Jul 2017 19:49:04 +0200 Message-Id: <1500832146-8660-1-git-send-email-martin@kaiser.cx> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1457705200-16951-1-git-send-email-s.trumtrar@pengutronix.de> References: <1457705200-16951-1-git-send-email-s.trumtrar@pengutronix.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170723_105210_785074_D4FA3111 X-CRM114-Status: GOOD ( 13.34 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, PrasannaKumar Muralidharan , linux-kernel@vger.kernel.org, Rob Herring , linux-crypto@vger.kernel.org, kernel@pengutronix.de, Martin Kaiser , Fabio Estevam , linux-arm-kernel@lists.infradead.org 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 From: Steffen Trumtrar Add binding documentation for the Freescale RNGC found on some i.MX2/3 SoCs. Signed-off-by: Steffen Trumtrar Signed-off-by: Martin Kaiser Reviewed-by: Rob Herring --- Changes in v6: - be more precise about rngc and rngb - get rid of mxc, rename the file to imx-rngc.txt - reformat the compatible strings - use RNGC instead of RNG - clarify that clock is not optional (remove "should contain") Changes in v5: none Changes in v4: none Changes in v3: - add compatible string for imx35 - remove imx5 from the commit message, I couldn't find an i.MX SOC that has RNGC Changes in v2: none Documentation/devicetree/bindings/rng/imx-rngc.txt | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Documentation/devicetree/bindings/rng/imx-rngc.txt diff --git a/Documentation/devicetree/bindings/rng/imx-rngc.txt b/Documentation/devicetree/bindings/rng/imx-rngc.txt new file mode 100644 index 0000000..93c7174 --- /dev/null +++ b/Documentation/devicetree/bindings/rng/imx-rngc.txt @@ -0,0 +1,21 @@ +Freescale RNGC (Random Number Generator Version C) + +The driver also supports version B, which is mostly compatible +to version C. + +Required properties: +- compatible : should be one of + "fsl,imx25-rngb" + "fsl,imx35-rngc" +- reg : offset and length of the register set of this block +- interrupts : the interrupt number for the RNGC block +- clocks : the RNGC clk source + +Example: + +rng@53fb0000 { + compatible = "fsl,imx25-rngb"; + reg = <0x53fb0000 0x4000>; + interrupts = <22>; + clocks = <&trng_clk>; +};