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 C4710C02193 for ; Fri, 31 Jan 2025 10:18:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type: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=b6uuXIpw+M1axLEgr7vjI+C/GJLz683o/8HqWLFU+6U=; b=vaPllvwNSrC+5zIqTMSD6T4aXi l9gWv4lngffP6jg5l33b0ffmaRgMJ7z7D2dILXCadshRX+stKg5/3K6IQEgurpjcE4b1Y+BV/LIdc yW2bXkKuEaMuHRr0ACNTTwij84re1uhE5RhamarlLhXNtIMq5+N6eM5/8OxSzmapPCYrOL3jx8PpV lBL8lvHSKIqv9o9diCscpkdHlt7rEz/N/f7szYtyuUofXAnXp14rWr29yr/Nmu/QsY7NLKj/jWLWt Y4FMUBhx39VZRlOEJOkxSlwm3AdYPSy913s3ykcn5LBoN2nUH/nGnM2JyMhxyuDp6uRJcH0hBeInn Nut9vxDw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tdo6V-0000000ANK2-0j9J; Fri, 31 Jan 2025 10:18:27 +0000 Received: from nyc.source.kernel.org ([147.75.193.91]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tdo5C-0000000AN6I-1IW9; Fri, 31 Jan 2025 10:17:07 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id A5F79A41DA0; Fri, 31 Jan 2025 10:15:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 78128C4CED1; Fri, 31 Jan 2025 10:17:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1738318624; bh=kJJvbQKt6Q32DAbri1MCULy5VGGdWlsbktPaKMFFtmM=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=QzXmk3LUH+cputlgRzi3JRLQYNaPoh6m1HGH0fkRdhR8YJRpNW/N/dT5iu81Dbni0 P0NI+Je3GHtPx9zYIvcaQzokWzADha5ns4xp16UDxhYWMSpJiSsPpEc0PSUjKSNuF0 7yZLzIrJ4C8/Ckoz3gtsNlla/FyxTCABtHjkz+fkI3GnOoHhe4xfi2nstQZiY0yqRM verTCrRJpwRpRKAhCI6DNa3UKh/6FDksP994mXgBQiP8viK2tOvWTpWy4CsNMjpv7C 6BtDbBHcZP/1jmPFLXFsSWUrQckHdCmPMSg2Lk3CxZut1DIBoWX2pV4E7zTM0bnt5a e7d5JYK0wBiCA== Message-ID: <3a0f3d55-3828-43c9-b2d2-291f767c50e0@kernel.org> Date: Fri, 31 Jan 2025 11:16:59 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 6/7] arm64: dts: rockchip: Add rng node to RK3588 To: Nicolas Frattaroli , Philipp Zabel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Olivia Mackall , Herbert Xu , Daniel Golle , Aurelien Jarno Cc: Sebastian Reichel , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org References: <20250130-rk3588-trng-submission-v1-0-97ff76568e49@collabora.com> <20250130-rk3588-trng-submission-v1-6-97ff76568e49@collabora.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250131_021706_488131_653EBABF X-CRM114-Status: GOOD ( 15.46 ) 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 On 30/01/2025 17:31, Nicolas Frattaroli wrote: > Add the RK3588's standalone hardware random number generator node to its > device tree, and enable it on the one board I've tested it on and can > verify it produces good output, the Rock 5B. > > Signed-off-by: Nicolas Frattaroli > --- > arch/arm64/boot/dts/rockchip/rk3588-base.dtsi | 9 +++++++++ > arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts | 4 ++++ > 2 files changed, 13 insertions(+) > > diff --git a/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi > index 8cfa30837ce72581d0b513a8274ab0177eb5ae15..1c72922bcbe1afd7c49beac771f8b7c6e5cc6e05 100644 > --- a/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi > +++ b/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi > @@ -1921,6 +1921,15 @@ sdhci: mmc@fe2e0000 { > status = "disabled"; > }; > > + rng: rng@fe378000 { > + compatible = "rockchip,rk3588-rng"; > + reg = <0x0 0xfe378000 0x0 0x200>; > + interrupts = ; > + clocks = <&scmi_clk SCMI_HCLK_SECURE_NS>; > + resets = <&scmi_reset SCMI_SRST_H_TRNG_NS>; > + status = "disabled"; Why? What resources are missing? > + }; > + > i2s0_8ch: i2s@fe470000 { > compatible = "rockchip,rk3588-i2s-tdm"; > reg = <0x0 0xfe470000 0x0 0x1000>; > diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts > index d597112f1d5b8ee0b6a4fa17086c8671a5102583..00a915cf266202e26b274cab962f7bf6bcf76fc1 100644 > --- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts > +++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts > @@ -430,6 +430,10 @@ &pwm1 { > status = "okay"; > }; > > +&rng { > + status = "okay"; I don't see how RNG is board related. Best regards, Krzysztof