From patchwork Wed Feb 15 13:27:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13141657 X-Patchwork-Delegate: herbert@gondor.apana.org.au 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B250C6379F for ; Wed, 15 Feb 2023 13:29:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231899AbjBON3h (ORCPT ); Wed, 15 Feb 2023 08:29:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45064 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232106AbjBON30 (ORCPT ); Wed, 15 Feb 2023 08:29:26 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B45D95580; Wed, 15 Feb 2023 05:29:09 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pSHqN-0005qp-0A; Wed, 15 Feb 2023 14:29:07 +0100 Date: Wed, 15 Feb 2023 13:27:30 +0000 From: Daniel Golle To: devicetree@vger.kernel.org, Sean Wang , Olivia Mackall , Herbert Xu , Rob Herring , Krzysztof Kozlowski , Matthias Brugger , AngeloGioacchino Del Regno , Conor Dooley , Mingming Su , linux-crypto@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] dt-bindings: rng: Add MediaTek MT7981 TRNG Message-ID: References: <89865515728cb937b6591160ad9c30b4bcc8dd41.1676467500.git.daniel@makrotopia.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <89865515728cb937b6591160ad9c30b4bcc8dd41.1676467500.git.daniel@makrotopia.org> Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Add documentation to describe the MediaTek true random number generator which is provided by ARM TrustedFirmware-A of the MT7981. Signed-off-by: Daniel Golle --- .../bindings/rng/mediatek,mt7981-rng.yaml | 39 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/rng/mediatek,mt7981-rng.yaml diff --git a/Documentation/devicetree/bindings/rng/mediatek,mt7981-rng.yaml b/Documentation/devicetree/bindings/rng/mediatek,mt7981-rng.yaml new file mode 100644 index 000000000000..d577d60538d8 --- /dev/null +++ b/Documentation/devicetree/bindings/rng/mediatek,mt7981-rng.yaml @@ -0,0 +1,39 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rng/mediatek,mt7981-rng.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek Random number generator (v2/SMC) + +maintainers: + - Daniel Golle + +properties: + $nodename: + pattern: "^rng$" + + compatible: + enum: + - mediatek,mt7981-rng + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: rng + +required: + - compatible + +additionalProperties: false + +examples: + - | + rng { + compatible = "mediatek,mt7981-rng"; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 90d82aba6d73..523f1abf00d5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -13148,6 +13148,7 @@ F: drivers/leds/leds-mt6323.c MEDIATEK RANDOM NUMBER GENERATOR SUPPORT M: Sean Wang S: Maintained +F: Documentation/devicetree/bindings/rng/mediatek,* F: drivers/char/hw_random/mtk-rng-v2.c F: drivers/char/hw_random/mtk-rng.c