From patchwork Mon Sep 11 12:02:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gatien Chevallier X-Patchwork-Id: 13379246 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 8ECF9EE57DF for ; Mon, 11 Sep 2023 12:04:06 +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:References:In-Reply-To: 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: List-Owner; bh=p7cZwJA1tatCqYVFkPzra9FQljtsIrAfFHuV6svYFd8=; b=PKLp2Pyr5Bk4hg qWNYUm1yur60N6cmoHMOSvY+uUQcgSUmPQ5fPaYts8ndkCmIaEPUDyEvaYjSMEBUxrHzWOrVdkDT9 HpF3GtiUh3yVvMM0KcqjVd0IvgifW3bev/KPEVzfkN7oflfySTOFWLl/IOGQvJDHu8B3OqzpJyhM6 kSpvZdLuljQE7zCBgXUpIZNBp/s0En2sK7oSDS7LxcAEEHr9Z42VyglbubC4+W7nfQiIVPmLtkD+d EpR1Mhq37TvqdVtB0jsJ6U/kK9prLmIgFVjmgt3oKrJWdQkUqjmbBDIuqV3tjo6AFuXd0erq2rO8i ZpBUJTjN01erLp1GoVfQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qffdh-000R5e-0t; Mon, 11 Sep 2023 12:03:37 +0000 Received: from mx07-00178001.pphosted.com ([185.132.182.106]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qffdc-000R3C-16 for linux-arm-kernel@lists.infradead.org; Mon, 11 Sep 2023 12:03:33 +0000 Received: from pps.filterd (m0241204.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 38B9SwjJ023349; Mon, 11 Sep 2023 14:03:24 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= selector1; bh=fUR1GBMB4mpwmi+3FRdeGu6mwVffrm2wfQk8yZwS44c=; b=GD NUBK9e8DxH1QJBCE42dKysP4s+jY4cahrDdKzcvoGgCZfywMgLvgnmmehKUztWrP vFo4ICmzAErunN7ZFK2IY1OEsEmUTLGjX9J3ff3hLqsOR4206efsGAq7984wctxD HzaZsWRuFQ13oXZ40kj7An0sFbIttGYZscA9U9UKAWN8SJYMD2jkXKNJw92rW5jq 6QhPaClojT+kgcFcHDknccD51+HKfH2VX/hOayotDYrs8/2iIQ3eRLBV7XEVX4K9 H+0u7DY9qUfyMHUwENJ9Ur/yiec0Ez2mRZn9hutTNXGk3fiNucWIP2XbirO5V9A6 x4cRqHLWHNoMfmmADxkg== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3t0g21yw4w-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 11 Sep 2023 14:03:24 +0200 (MEST) Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id A8179100061; Mon, 11 Sep 2023 14:03:23 +0200 (CEST) Received: from Webmail-eu.st.com (shfdag1node1.st.com [10.75.129.69]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 9F1D7237D89; Mon, 11 Sep 2023 14:03:23 +0200 (CEST) Received: from localhost (10.201.20.32) by SHFDAG1NODE1.st.com (10.75.129.69) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Mon, 11 Sep 2023 14:03:23 +0200 From: Gatien Chevallier To: Olivia Mackall , Herbert Xu , Rob Herring , Krzysztof Kozlowski , Maxime Coquelin , Alexandre Torgue CC: Lionel Debieve , , , , , , Gatien Chevallier Subject: [PATCH v2 07/10] dt-bindings: rng: add st,rng-lock-conf Date: Mon, 11 Sep 2023 14:02:00 +0200 Message-ID: <20230911120203.774632-8-gatien.chevallier@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230911120203.774632-1-gatien.chevallier@foss.st.com> References: <20230911120203.774632-1-gatien.chevallier@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.20.32] X-ClientProxiedBy: SHFCAS1NODE1.st.com (10.75.129.72) To SHFDAG1NODE1.st.com (10.75.129.69) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-11_06,2023-09-05_01,2023-05-22_02 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230911_050332_690928_0C49A47A X-CRM114-Status: UNSURE ( 9.79 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org If st,rng-lock-conf is set, the RNG configuration in RNG_CR, RNG_HTCR and RNG_NSCR will be locked. It is supported starting from the RNG version present in the STM32MP13 Signed-off-by: Gatien Chevallier --- .../devicetree/bindings/rng/st,stm32-rng.yaml | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml b/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml index 59abdc85a9fb..0055f14a8e3f 100644 --- a/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml +++ b/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml @@ -37,6 +37,20 @@ required: - reg - clocks +allOf: + - if: + properties: + compatible: + contains: + enum: + - st,stm32mp13-rng + then: + properties: + st,rng-lock-conf: + type: boolean + description: If set, the RNG configuration in RNG_CR, RNG_HTCR and + RNG_NSCR will be locked. + additionalProperties: false examples: