From patchwork Mon May 27 08:38:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neal Liu X-Patchwork-Id: 10962319 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E45E016C1 for ; Mon, 27 May 2019 08:39:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D334128ACE for ; Mon, 27 May 2019 08:39:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BF20228AE8; Mon, 27 May 2019 08:39:36 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6BB0228AD1 for ; Mon, 27 May 2019 08:39:36 +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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=t5ZAVq0cpxLV6tk44yYNe0f4GNCc6FdcbdhGTFCa5M4=; b=ao4aO5bR7L7qDN 859U5DbcPE7JUykJszldMZLDFnpl/fPn5eCEQC5NU575/MFLbVpXzw1lbcJVvkUpgyEmNi0g6GlVx xrJjDJEtBeGurkJidlkZ5hHvSOqyOr0s9baxkXPmYBva9nLZvCHtEt/z5rUlp63elUD6uTilIgpws zzhqCo+fFnVvT62nR5pkhNMQAPdlIbv/eLjZ4p6i7d3DaOhIKXrtDYwavDV96PsNO37GaS7it/L76 HqPcE6BOW5WfI7lw6MGYV3DGNphLaCtNpsmqF4DJSyUQfO2y+JWGQfEKqhJIadaWxoQLK/zpKlK4H AmDBRV8aciEo/AVgbt7w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hVBAM-0001R5-Im; Mon, 27 May 2019 08:39:34 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hVBA5-00013P-Bb; Mon, 27 May 2019 08:39:18 +0000 X-UUID: ed85dbdd816a49bd875007a687dbe4e9-20190527 X-UUID: ed85dbdd816a49bd875007a687dbe4e9-20190527 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 308973607; Mon, 27 May 2019 00:39:11 -0800 Received: from MTKMBS01N1.mediatek.inc (172.21.101.68) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 27 May 2019 01:39:10 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 27 May 2019 16:39:08 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 27 May 2019 16:39:08 +0800 From: Neal Liu To: Matt Mackall , Herbert Xu , Rob Herring , Mark Rutland , Matthias Brugger , Sean Wang Subject: [PATCH v2 2/3] dt-bindings: rng: update bindings for MediaTek ARMv8 SoCs Date: Mon, 27 May 2019 16:38:45 +0800 Message-ID: <1558946326-13630-3-git-send-email-neal.liu@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1558946326-13630-1-git-send-email-neal.liu@mediatek.com> References: <1558946326-13630-1-git-send-email-neal.liu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190527_013917_396984_2DADF7E7 X-CRM114-Status: UNSURE ( 9.34 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, wsd_upstream@mediatek.com, lkml , Crystal Guo , linux-mediatek@lists.infradead.org, linux-crypto@vger.kernel.org, Neal Liu , linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Document the binding used by the MediaTek ARMv8 SoCs random number generator with TrustZone enabled. Signed-off-by: Neal Liu --- Documentation/devicetree/bindings/rng/mtk-rng.txt | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/rng/mtk-rng.txt b/Documentation/devicetree/bindings/rng/mtk-rng.txt index 2bc89f1..1fb9b1d 100644 --- a/Documentation/devicetree/bindings/rng/mtk-rng.txt +++ b/Documentation/devicetree/bindings/rng/mtk-rng.txt @@ -3,9 +3,12 @@ found in MediaTek SoC family Required properties: - compatible : Should be - "mediatek,mt7622-rng", "mediatek,mt7623-rng" : for MT7622 - "mediatek,mt7629-rng", "mediatek,mt7623-rng" : for MT7629 - "mediatek,mt7623-rng" : for MT7623 + "mediatek,mt7622-rng", "mediatek,mt7623-rng" for MT7622 + "mediatek,mt7629-rng", "mediatek,mt7623-rng" for MT7629 + "mediatek,mt7623-rng" for MT7623 + "mediatek,mtk-sec-rng" for MediaTek ARMv8 SoCs + +Optional properties: - clocks : list of clock specifiers, corresponding to entries in clock-names property; - clock-names : Should contain "rng" entries; @@ -19,3 +22,7 @@ rng: rng@1020f000 { clocks = <&infracfg CLK_INFRA_TRNG>; clock-names = "rng"; }; + +hwrng: hwrng { + compatible = "mediatek,mtk-sec-rng"; +};