From patchwork Wed Nov 27 14:22:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neal Liu X-Patchwork-Id: 11264177 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 32ACF1390 for ; Wed, 27 Nov 2019 14:23:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CB8B320674 for ; Wed, 27 Nov 2019 14:23:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="uRMQFQup" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727107AbfK0OXP (ORCPT ); Wed, 27 Nov 2019 09:23:15 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:1717 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726673AbfK0OXP (ORCPT ); Wed, 27 Nov 2019 09:23:15 -0500 X-UUID: dea260d0f5c7453a82d2c8ba4cb62079-20191127 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=cF2Om7X85XQimoGPg+VUY4Aqoy6qnXHiU7JTF0y3r6E=; b=uRMQFQupvqFkrThMzspsv6IPiZ3M81H8L2EF9Xd9zrcWL2OgcFJOI0Rs5SUYEyO4u5mQmxYO/hbNqmcEBbFPuAZO1e8uRIBppL+vVHi6Ah0QxqwhdcxUO++yxn2PEYEKLMaUqcaI0xy16LJ/NGUv/7rPJOh5sjtu4GYhvt7BTXw=; X-UUID: dea260d0f5c7453a82d2c8ba4cb62079-20191127 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 1900528197; Wed, 27 Nov 2019 22:23:10 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 27 Nov 2019 22:23:00 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 27 Nov 2019 22:23:03 +0800 From: Neal Liu To: Matt Mackall , Herbert Xu , Rob Herring , Mark Rutland , Matthias Brugger , Sean Wang CC: Neal Liu , Crystal Guo , , , , , , Subject: [PATCH v5 2/3] dt-bindings: rng: add bindings for MediaTek ARMv8 SoCs Date: Wed, 27 Nov 2019 22:22:57 +0800 Message-ID: <1574864578-467-3-git-send-email-neal.liu@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1574864578-467-1-git-send-email-neal.liu@mediatek.com> References: <1574864578-467-1-git-send-email-neal.liu@mediatek.com> MIME-Version: 1.0 X-MTK: N Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Document the binding used by the MediaTek ARMv8 SoCs random number generator with TrustZone enabled. Signed-off-by: Neal Liu --- .../bindings/arm/firmware/mediatek,mtk-sec-rng.txt | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/firmware/mediatek,mtk-sec-rng.txt diff --git a/Documentation/devicetree/bindings/arm/firmware/mediatek,mtk-sec-rng.txt b/Documentation/devicetree/bindings/arm/firmware/mediatek,mtk-sec-rng.txt new file mode 100644 index 0000000..741fcdc --- /dev/null +++ b/Documentation/devicetree/bindings/arm/firmware/mediatek,mtk-sec-rng.txt @@ -0,0 +1,18 @@ +MediaTek random number generator with TrustZone enabled + +Required properties: +- compatible : Should contain "mediatek,mtk-sec-rng" + +- method : The method of calling Arm Trusted Firmware. Permitted + values are: + + "smc" : SMC #0, with the register assignments specified + in this binding. + +Example: + firmware { + hwrng { + compatible = "mediatek,mtk-sec-rng"; + methods = "smc"; + }; + };