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 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 36F36CA0EEB for ; Tue, 12 Sep 2023 14:39:33 +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:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=2I+9D2ENPtvmEj5iHwe0OPIIfkAjrJhplTqhg6OvUgs=; b=FFPR+vUIeEMrMW jrO0gldX3y1hx8c2sFMM5hyYwAbsrVp0yk47JTYYpymyxUlDZNjoYbaJmQZYePY2Ul8G2yTTMX0X8 cqH1WB1wA3LaWY4g0+WJRYoDS9qDF8ssrM/fbRJf7vCsEdjg9bVJqtKVEyl1YuZcAhtlQ2nsw3mvS X92imnRlDO8exG2pC8AJDWuO6jnVZtUkHnNzCerFVf/1XJ9d6ZSgNhcGVKPewMGeKS2dvRt7C3hfK OF7XQWWjy/wYIjRFtZwdf+Ejp+vPolXi1ivl4nGOZGeRXs9mV4+MNBIN+PdYSyFoIDZschcNrsk0M ha2T3Y2VfQ5h8xpQKWFw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qg4Xj-003bjf-2G; Tue, 12 Sep 2023 14:39:07 +0000 Received: from mail-lf1-x135.google.com ([2a00:1450:4864:20::135]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qg4Xh-003biM-21 for linux-arm-kernel@lists.infradead.org; Tue, 12 Sep 2023 14:39:06 +0000 Received: by mail-lf1-x135.google.com with SMTP id 2adb3069b0e04-501eec0a373so9287580e87.3 for ; Tue, 12 Sep 2023 07:39:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1694529540; x=1695134340; darn=lists.infradead.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=90jC6lxpRCDPUe28BcYQwA0xCL7xf56sZ85Q5b+uKGA=; b=V1kpIhJs1SbU8UIKcvRN56L+JkXbB7dTzCglLrphOU9c3/PLsz531hHq8GFSLDivc+ jTdGdry/U5eo/cApxum7iffKM32YyWMjBp44TUdxHmQp3TKQVH6VbO5poW+8SMLNroYV 6/OuUu0ZZgfdHaEvW1pK+6H095ctvv87HBkzPfB69psLbrzrsSYe4GBJrn/LTdoP9vSA YI9HRYTjCFTwySO+cyJK/G4NSijszjfK1oPh1fRJbqXvGxW9UtB/hrD7/CQBWK/HhzaO TK/bqtWaGEtg6zlvmDl3t93ZfbcYJemj3VbfU0kIXkcEF2FJbhcd1dCAYP6WE4/qOgNB L1LA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694529540; x=1695134340; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=90jC6lxpRCDPUe28BcYQwA0xCL7xf56sZ85Q5b+uKGA=; b=dy8EmUSCE92MW0obVC0owiG5y/o9a9IiIMqs8g8GzKA0tRF/T6sQdCOpxqURoHoHa7 SQRIA5UBtBDnYUDunbJn0LZ9TnVuGLCVSjRuC4Mm9YRdrSbCmIEJgjZsGCEIFtIFuoy6 XMleqwafjK2cJa2UnhT0xIsIqwUDAsiV6xGaBaX/dB4HMCpwefvsxR/NnWuFLBzus7Bi msXUOAUlDd8qcTDBwquicjhCXpVG+nLoXC6vLQw5+9RU8RwJMT28SVhKGG4B00fPaeYC QqKqwJFCGVoXKR3PPu5sl0eY3OGZ+fV03U/QTEfOYdkWE2TjBS+kk/zr1vn3i+V8MEGK Zoyg== X-Gm-Message-State: AOJu0YxIKCFL5lgpkdvS+4c4LPbWbxERWNKucGGrSDjQytXujwe7qONK h4TPMCjDaZM/2uceqQgIjZP/Qw== X-Google-Smtp-Source: AGHT+IGTLkWR/G9NZRRA7prqCKEl3s/MsYlgvEESmIxQqGWWdnJSzY4il2hoUqsAEx+R0TwNJNs6YQ== X-Received: by 2002:a05:6512:b95:b0:500:a6c1:36f7 with SMTP id b21-20020a0565120b9500b00500a6c136f7mr12163748lfv.3.1694529540570; Tue, 12 Sep 2023 07:39:00 -0700 (PDT) Received: from [192.168.1.20] ([178.197.214.188]) by smtp.gmail.com with ESMTPSA id d32-20020a056402402000b00521d2f7459fsm4484835eda.49.2023.09.12.07.38.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 12 Sep 2023 07:39:00 -0700 (PDT) Message-ID: <327ff0b3-21c9-1452-af1b-e9b6ece52924@linaro.org> Date: Tue, 12 Sep 2023 16:38:58 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.0 Subject: Re: [PATCH v2 10/10] ARM: dts: stm32: add RNG node for STM32MP13x platforms Content-Language: en-US To: Gatien Chevallier , Olivia Mackall , Herbert Xu , Rob Herring , Krzysztof Kozlowski , Maxime Coquelin , Alexandre Torgue Cc: Lionel Debieve , linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20230911120203.774632-1-gatien.chevallier@foss.st.com> <20230911120203.774632-11-gatien.chevallier@foss.st.com> From: Krzysztof Kozlowski In-Reply-To: <20230911120203.774632-11-gatien.chevallier@foss.st.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230912_073905_667984_3324DCE2 X-CRM114-Status: GOOD ( 18.94 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 11/09/2023 14:02, Gatien Chevallier wrote: > The RNG on STM32MP13 offers upgrades like customization of its > configuration and the conditional reset. > > The hardware RNG should be managed in the secure world for but it > is supported on Linux. Therefore, is it not default enabled. > > Signed-off-by: Gatien Chevallier > --- > arch/arm/boot/dts/st/stm32mp131.dtsi | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/arch/arm/boot/dts/st/stm32mp131.dtsi b/arch/arm/boot/dts/st/stm32mp131.dtsi > index ac90fcbf0c09..39db82b782eb 100644 > --- a/arch/arm/boot/dts/st/stm32mp131.dtsi > +++ b/arch/arm/boot/dts/st/stm32mp131.dtsi > @@ -1220,6 +1220,14 @@ mdma: dma-controller@58000000 { > dma-requests = <48>; > }; > > + rng: rng@54004000 { > + compatible = "st,stm32mp13-rng"; > + reg = <0x54004000 0x400>; > + clocks = <&rcc RNG1_K>; > + resets = <&rcc RNG1_R>; > + status = "disabled"; Why? What other resources are missing? Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel