From patchwork Wed Dec 21 09:08:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jia Jie Ho X-Patchwork-Id: 13078537 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 389F7C4332F for ; Wed, 21 Dec 2022 09:09:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :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=ufNpZdesKaHwfUEoAnopE9BVW7aMVFURf4/A0tck6JY=; b=MbBi9n+RzuHxyG n4E2gI//cddcTes+fYPMRjWC574w0VdjCjQyd9eW5avf5Wnkt7PTOhYyBWGywVr34WmXcElA6yZ4l mQ9woDjbVdFQl5Df0UBsG94+wwyuTqsqq4bXEG/pM86pknYI6q5WvMfDNMTiSuCxyykEVxtWNnZCU TGqgW8fDc+ombNmQ8sviVYFrHBwv9XDVprylJByeQyWRp0SJe2//Jb7lW7gF8xE12ND7FqnuBZG2w OCEwACAFCyytB1f35W1W2sZe/Vm3bTp0+qO0tzO2qb2mGQvZFS9NnOyMYUgeT+NOg6CZHmW2Ln4eU d9aOxVyJ0TKK9JPZsfFw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1p7v6W-00CdEr-IP; Wed, 21 Dec 2022 09:09:36 +0000 Received: from fd01.gateway.ufhost.com ([61.152.239.71]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1p7v6D-00CceP-Ha for linux-riscv@lists.infradead.org; Wed, 21 Dec 2022 09:09:19 +0000 Received: from EXMBX165.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX165", Issuer "EXMBX165" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id D8FA924E292; Wed, 21 Dec 2022 17:08:27 +0800 (CST) Received: from EXMBX168.cuchost.com (172.16.6.78) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Wed, 21 Dec 2022 17:08:27 +0800 Received: from ubuntu.localdomain (161.142.229.243) by EXMBX168.cuchost.com (172.16.6.78) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Wed, 21 Dec 2022 17:08:21 +0800 From: Jia Jie Ho To: Olivia Mackall , Herbert Xu , Rob Herring , "Krzysztof Kozlowski" CC: Emil Renner Berthing , Conor Dooley , , , , Subject: [PATCH 0/3] hwrng: starfive - Add driver for TRNG module Date: Wed, 21 Dec 2022 17:08:16 +0800 Message-ID: <20221221090819.1259443-1-jiajie.ho@starfivetech.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [161.142.229.243] X-ClientProxiedBy: EXCAS064.cuchost.com (172.16.6.24) To EXMBX168.cuchost.com (172.16.6.78) X-YovoleRuleAgent: yovoleflag X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221221_010917_800542_ACDF78EA X-CRM114-Status: UNSURE ( 9.57 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org This patch series adds kernel support for StarFive hardware random number generator. First 2 patches adds bindings documentations and device driver for this module. Patch 3 adds devicetree entry for VisionFive v2 SoC. Patch 3 needs to be applied on top of: https://patchwork.kernel.org/project/linux-riscv/patch/20221220011247.35560-7-hal.feng@starfivetech.com/ Jia Jie Ho (3): dt-bindings: rng: Add StarFive TRNG module hwrng: starfive - Add TRNG driver for StarFive SoC riscv: dts: starfive: Add TRNG node for VisionFive 2 .../bindings/rng/starfive,jh7110-trng.yaml | 55 +++ MAINTAINERS | 6 + arch/riscv/boot/dts/starfive/jh7110.dtsi | 11 + drivers/char/hw_random/Kconfig | 11 + drivers/char/hw_random/Makefile | 1 + drivers/char/hw_random/starfive-trng.c | 403 ++++++++++++++++++ 6 files changed, 487 insertions(+) create mode 100644 Documentation/devicetree/bindings/rng/starfive,jh7110-trng.yaml create mode 100644 drivers/char/hw_random/starfive-trng.c