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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 C2798C46460 for ; Mon, 27 May 2019 08:39:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A426621744 for ; Mon, 27 May 2019 08:39:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726522AbfE0Ij3 (ORCPT ); Mon, 27 May 2019 04:39:29 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:30690 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725869AbfE0Ij1 (ORCPT ); Mon, 27 May 2019 04:39:27 -0400 X-UUID: 82d828f1785c4f68b51bf35d6d3c0b4a-20190527 X-UUID: 82d828f1785c4f68b51bf35d6d3c0b4a-20190527 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1990578935; Mon, 27 May 2019 16:39:15 +0800 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 CC: Neal Liu , , , , , lkml , , Crystal Guo 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 Content-Type: text/plain X-TM-SNTS-SMTP: 230D15169F03B83C7C0D95C59BE03E1101255BC24DBD91EF7AD4844FB1453F612000:8 X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 -- 2.18.0