From patchwork Tue Jul 30 16:08:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 815436 Received: from pidgin.makrotopia.org (pidgin.makrotopia.org [185.142.180.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3B71D1A4B44; Tue, 30 Jul 2024 16:08:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.142.180.65 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722355716; cv=none; b=KX3Hk6XHzCTCV9jwx9o4tzXMzeyTHghFqRVUwlWB/nQKZGu/b+5R/8ZQOWQK8Lk1N7Oa48zNo4/7mVNQyp0Bh+cW3/WLVffY0edF16YpYJaTTQTvHP0RTjLeSYCgQltnDF6imUZdkyIn4PoP02HlxRPQHwh1q7YItsB7PpDf0d0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722355716; c=relaxed/simple; bh=SbcfHMDD7F2lgNB1acsCs6fg8GG51YngRe59u4jN2I4=; h=Date:From:To:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=R3sOL0IgKWirah4cXrmnP99Rnx4Ymf/Azw3ABizU7rfrgKusgG7PeRDdN98aVmWB7FJXs7jEfr/ywO2uO56v5ThcQsUB9qncpJ2EMhQYYsuCQVON2+WwZLvNgEsSyHQhsfnR0bcHIhTzmKzzzkxqZfaEz7XHRSRF3cyvXDOAv6w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=makrotopia.org; spf=pass smtp.mailfrom=makrotopia.org; arc=none smtp.client-ip=185.142.180.65 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=makrotopia.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=makrotopia.org Received: from local by pidgin.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.98) (envelope-from ) id 1sYpOg-000000002Lj-3eAX; Tue, 30 Jul 2024 16:08:22 +0000 Date: Tue, 30 Jul 2024 17:08:19 +0100 From: Daniel Golle To: Daniel Golle , Aurelien Jarno , Olivia Mackall , Herbert Xu , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Philipp Zabel , Dragan Simic , Uwe =?iso-8859-1?q?Kleine-K=F6nig?= , Cristian Ciocaltea , Sascha Hauer , Francesco Dolcini , Ard Biesheuvel , linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v9 1/3] dt-bindings: rng: Add Rockchip RK3568 TRNG Message-ID: <686aae7633f14528c983b8072d79a660cc56528e.1722355365.git.daniel@makrotopia.org> References: Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: From: Aurelien Jarno Add the True Random Number Generator on the Rockchip RK3568 SoC. Signed-off-by: Aurelien Jarno Signed-off-by: Daniel Golle Reviewed-by: Krzysztof Kozlowski --- .../bindings/rng/rockchip,rk3568-rng.yaml | 61 +++++++++++++++++++ MAINTAINERS | 6 ++ 2 files changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/rng/rockchip,rk3568-rng.yaml diff --git a/Documentation/devicetree/bindings/rng/rockchip,rk3568-rng.yaml b/Documentation/devicetree/bindings/rng/rockchip,rk3568-rng.yaml new file mode 100644 index 0000000000000..e0595814a6d98 --- /dev/null +++ b/Documentation/devicetree/bindings/rng/rockchip,rk3568-rng.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rng/rockchip,rk3568-rng.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip RK3568 TRNG + +description: True Random Number Generator on Rockchip RK3568 SoC + +maintainers: + - Aurelien Jarno + - Daniel Golle + +properties: + compatible: + enum: + - rockchip,rk3568-rng + + reg: + maxItems: 1 + + clocks: + items: + - description: TRNG clock + - description: TRNG AHB clock + + clock-names: + items: + - const: core + - const: ahb + + resets: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - resets + +additionalProperties: false + +examples: + - | + #include + bus { + #address-cells = <2>; + #size-cells = <2>; + + rng@fe388000 { + compatible = "rockchip,rk3568-rng"; + reg = <0x0 0xfe388000 0x0 0x4000>; + clocks = <&cru CLK_TRNG_NS>, <&cru HCLK_TRNG_NS>; + clock-names = "core", "ahb"; + resets = <&cru SRST_TRNG_NS>; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 12b870712da4a..9b75626b54e16 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19722,6 +19722,12 @@ F: Documentation/userspace-api/media/v4l/metafmt-rkisp1.rst F: drivers/media/platform/rockchip/rkisp1 F: include/uapi/linux/rkisp1-config.h +ROCKCHIP RK3568 RANDOM NUMBER GENERATOR SUPPORT +M: Daniel Golle +M: Aurelien Jarno +S: Maintained +F: Documentation/devicetree/bindings/rng/rockchip,rk3568-rng.yaml + ROCKCHIP RASTER 2D GRAPHIC ACCELERATION UNIT DRIVER M: Jacob Chen M: Ezequiel Garcia