From patchwork Fri Dec 17 09:33:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Conor Dooley X-Patchwork-Id: 525621 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 D9773C433EF for ; Fri, 17 Dec 2021 09:32:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232802AbhLQJcu (ORCPT ); Fri, 17 Dec 2021 04:32:50 -0500 Received: from esa.microchip.iphmx.com ([68.232.154.123]:16916 "EHLO esa.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232790AbhLQJct (ORCPT ); Fri, 17 Dec 2021 04:32:49 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1639733568; x=1671269568; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=fRK83uB7UBmgy7OppXNXdK4ZxB+gBwJv/ZT1t+O9sS0=; b=F10+gqB5y2cCuZX0ukj/BHMGxzvpO2dcBz45DpmrwAC1WCBVVOWE5ojr 1apoIAgVSajvXV5jshL8PE4yNHgHuNWgmZ+f08SFfAL88n/EBmPfdrwcr JjC4T/kETrSUIKEaggV2GwjXnML2v+bozhs64Y7+57twZN8uyCaTLIvuU /vad6ix4VKUEP2pJkO5sv8wOSo/YodtaZCsjjxyqdGc6gWCfW1W0hLYAO EoMcDnnCP/Lgy+JcTqPenuDuEQtBHh4xd640RbggAAYSTFu9z2kJfPuev gEIQkRHwe+/9ah0XQDIwJ8dGX2gLLJu1sLvD1f+aC0a1PGXX28pz/uJUl Q==; IronPort-SDR: CrKd4tOB+b68mUuQA2Zc6ZHToi/KHgvehYmiy4PX3pIT90VbOVR9DHCKvNXqJwwTSbeeBF8d9b qT/hxcMZ8ru69NqKG4oYHAcbnxezkEusLPGkbJjzooonvMjQXrGRX3OBaACKbERSZt6tjFmqGT CjVEPj/2sqNN0oQfkZ5tc21Z5cP8bBfVUA6+2AU70yfSMx1cbniCpQJVdr7lUxUOYa3W7OWSJU ms4r0BOxTvuXf6ZAkbpL9sjKttMVqmBmBPnbJYKHwM8Hvi6WDoDyiIobtpHrLDYAvxPKHrvcbe LM0m7AafWCeLwB16ghkWz/qX X-IronPort-AV: E=Sophos;i="5.88,213,1635231600"; d="scan'208";a="140110734" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa4.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 17 Dec 2021 02:32:46 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Fri, 17 Dec 2021 02:32:47 -0700 Received: from wendy.microchip.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Fri, 17 Dec 2021 02:32:41 -0700 From: To: , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , , Subject: [PATCH v2 06/17] dt-bindings: rng: add bindings for microchip mpfs rng Date: Fri, 17 Dec 2021 09:33:14 +0000 Message-ID: <20211217093325.30612-7-conor.dooley@microchip.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211217093325.30612-1-conor.dooley@microchip.com> References: <20211217093325.30612-1-conor.dooley@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org From: Conor Dooley Add device tree bindings for the hardware rng device accessed via the system services on the Microchip PolarFire SoC. Signed-off-by: Conor Dooley --- .../bindings/rng/microchip,mpfs-rng.yaml | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/rng/microchip,mpfs-rng.yaml diff --git a/Documentation/devicetree/bindings/rng/microchip,mpfs-rng.yaml b/Documentation/devicetree/bindings/rng/microchip,mpfs-rng.yaml new file mode 100644 index 000000000000..32cbc37c9292 --- /dev/null +++ b/Documentation/devicetree/bindings/rng/microchip,mpfs-rng.yaml @@ -0,0 +1,29 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/rng/microchip,mpfs-rng.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Microchip MPFS random number generator + +maintainers: + - Conor Dooley + +description: | + The hardware random number generator on the Polarfire SoC is + accessed via the mailbox interface provided by the system controller + +properties: + compatible: + const: microchip,mpfs-rng + +required: + - compatible + +additionalProperties: false + +examples: + - | + hwrandom: hwrandom { + compatible = "microchip,mpfs-rng"; + };