From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EAC8BC28CC7 for ; Mon, 10 Jun 2019 10:36:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BF14A206C3 for ; Mon, 10 Jun 2019 10:36:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389523AbfFJKgp (ORCPT ); Mon, 10 Jun 2019 06:36:45 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:17360 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S2389319AbfFJKgm (ORCPT ); Mon, 10 Jun 2019 06:36:42 -0400 X-UUID: aa5536ce880d42eab5ddbc920a36d885-20190610 X-UUID: aa5536ce880d42eab5ddbc920a36d885-20190610 Received: from mtkcas08.mediatek.inc [(172.21.101.126)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1520545478; Mon, 10 Jun 2019 18:36:34 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 10 Jun 2019 18:36:34 +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, 10 Jun 2019 18:36:33 +0800 From: Neal Liu To: Matt Mackall , Herbert Xu , Rob Herring , Mark Rutland , Matthias Brugger , Sean Wang CC: Neal Liu , , , , , , , Crystal Guo Subject: [PATCH v3 2/3] dt-bindings: rng: update bindings for MediaTek ARMv8 SoCs Date: Mon, 10 Jun 2019 18:36:23 +0800 Message-ID: <1560162984-26104-3-git-send-email-neal.liu@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1560162984-26104-1-git-send-email-neal.liu@mediatek.com> References: <1560162984-26104-1-git-send-email-neal.liu@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/rng/mtk-rng.txt b/Documentation/devicetree/bindings/rng/mtk-rng.txt index 2bc89f1..fb3dd59 100644 --- a/Documentation/devicetree/bindings/rng/mtk-rng.txt +++ b/Documentation/devicetree/bindings/rng/mtk-rng.txt @@ -3,9 +3,13 @@ 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 with + security RNG + +Optional properties: - clocks : list of clock specifiers, corresponding to entries in clock-names property; - clock-names : Should contain "rng" entries; @@ -19,3 +23,8 @@ rng: rng@1020f000 { clocks = <&infracfg CLK_INFRA_TRNG>; clock-names = "rng"; }; + +/* secure RNG */ +hwrng: hwrng { + compatible = "mediatek,mtk-sec-rng"; +}; -- 1.7.9.5