From patchwork Mon May 27 08:38:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neal Liu X-Patchwork-Id: 10962325 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 EE37A76 for ; Mon, 27 May 2019 08:39:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DD31128ACE for ; Mon, 27 May 2019 08:39:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D0CF328AD2; Mon, 27 May 2019 08:39:55 +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 8709B28ACE for ; Mon, 27 May 2019 08:39:55 +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: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:In-Reply-To:References: List-Owner; bh=Pb4hgo7c9GfGTC8qYvMBAc9N3eKAkIkR6zNiixyhn2A=; b=TF5Cu/zltiA8O/ CYuOi+/BRMqlx4XHv4TEut5heS1+et8Cgh2uq/rTWpbLzrV7ZjMSjwGe2LWa3+gUsvUVYPEmQYOCu TvaHCXN1zXHwIZEuvb9eCSr8geVV0Tia0WnC5KoSqKFVcuBvW0rIFn35VxVhF0IeYbIP7ig7ub0qW 9P6DjSSZsEZClnY5ZWJfTjEmiNLaK4+UJY0HFNY7WsmOBaFTSwGpttbrfLuMzPvADKWzy+BF8Lpze Hf0PYlX8i8Uenymu6sijsL3lXIVrs+U2Tzw0rstHRhPlPrJlyDazsChsqltZx9REY2Gg1255Xd9wN cb+Envn97IgBxMRA5/Zw==; 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 1hVBAd-0001eK-As; Mon, 27 May 2019 08:39:51 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hVBAK-0001LJ-GP; Mon, 27 May 2019 08:39:42 +0000 X-UUID: f00b2e3b3eeb41daa966e49d4dc38551-20190527 X-UUID: f00b2e3b3eeb41daa966e49d4dc38551-20190527 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 645608105; Mon, 27 May 2019 00:39:23 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 27 May 2019 01:39:22 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 27 May 2019 16:39:07 +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 16:39:07 +0800 From: Neal Liu To: Matt Mackall , Herbert Xu , Rob Herring , Mark Rutland , Matthias Brugger , Sean Wang Subject: [PATCH v2 0/3] MediaTek Security random number generator support Date: Mon, 27 May 2019 16:38:43 +0800 Message-ID: <1558946326-13630-1-git-send-email-neal.liu@mediatek.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-TM-SNTS-SMTP: 230D15169F03B83C7C0D95C59BE03E1101255BC24DBD91EF7AD4844FB1453F612000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190527_013933_196125_6A8D0C29 X-CRM114-Status: UNSURE ( 9.17 ) X-CRM114-Notice: Please train this message. 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: 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-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP These patch series introduce a generic rng driver for Trustzone based kernel driver which would like to communicate with ATF SIP services. Patch #1 initials SMC fid table for MediaTek SIP interfaces and adds HWRNG related SMC call. Patch #2..3 adds mtk-sec-rng kernel driver for Trustzone based SoCs. For MediaTek SoCs on ARMv8 with TrustZone enabled, peripherals like entropy sources is not accessible from normal world (linux) and rather accessible from secure world (ATF/TEE) only. This driver aims to provide a generic interface to ATF rng service. changes since v2: - rename mt67xx-rng to mtk-sec-rng since all MediaTek ARMv8 SoCs can reuse this driver. - refine coding style and unnecessary check. Neal Liu (3): soc: mediatek: add SMC fid table for SIP interface dt-bindings: rng: update bindings for MediaTek ARMv8 SoCs hwrng: add mtk-sec-rng driver .../devicetree/bindings/rng/mtk-rng.txt | 13 ++- drivers/char/hw_random/Kconfig | 16 +++ drivers/char/hw_random/Makefile | 1 + drivers/char/hw_random/mtk-sec-rng.c | 97 +++++++++++++++++++ include/linux/soc/mediatek/mtk_sip_svc.h | 51 ++++++++++ 5 files changed, 175 insertions(+), 3 deletions(-) create mode 100644 drivers/char/hw_random/mtk-sec-rng.c create mode 100644 include/linux/soc/mediatek/mtk_sip_svc.h