From patchwork Mon Sep 9 12:38:39 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 11137875 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5E5F416B1 for ; Mon, 9 Sep 2019 12:40:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 458CA21A4A for ; Mon, 9 Sep 2019 12:40:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728034AbfIIMkL (ORCPT ); Mon, 9 Sep 2019 08:40:11 -0400 Received: from 212.199.177.27.static.012.net.il ([212.199.177.27]:42624 "EHLO herzl.nuvoton.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726019AbfIIMkL (ORCPT ); Mon, 9 Sep 2019 08:40:11 -0400 Received: from taln60.nuvoton.co.il (ntil-fw [212.199.177.25]) by herzl.nuvoton.co.il (8.13.8/8.13.8) with ESMTP id x89Ccft8029013; Mon, 9 Sep 2019 15:38:41 +0300 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id 7B83062A57; Mon, 9 Sep 2019 15:38:41 +0300 (IDT) From: Tomer Maimon To: mpm@selenic.com, herbert@gondor.apana.org.au, arnd@arndb.de, gregkh@linuxfoundation.org, robh+dt@kernel.org, mark.rutland@arm.com, avifishman70@gmail.com, tali.perry1@gmail.com, venture@google.com, yuenn@google.com, benjaminfair@google.com, sumit.garg@linaro.org, jens.wiklander@linaro.org, vkoul@kernel.org, tglx@linutronix.de, joel@jms.id.au Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, openbmc@lists.ozlabs.org, Tomer Maimon Subject: [PATCH v2 1/2] dt-binding: hwrng: add NPCM RNG documentation Date: Mon, 9 Sep 2019 15:38:39 +0300 Message-Id: <20190909123840.154745-2-tmaimon77@gmail.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20190909123840.154745-1-tmaimon77@gmail.com> References: <20190909123840.154745-1-tmaimon77@gmail.com> Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Added device tree binding documentation for Nuvoton BMC NPCM Random Number Generator (RNG). Signed-off-by: Tomer Maimon --- .../bindings/rng/nuvoton,npcm-rng.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 Documentation/devicetree/bindings/rng/nuvoton,npcm-rng.txt diff --git a/Documentation/devicetree/bindings/rng/nuvoton,npcm-rng.txt b/Documentation/devicetree/bindings/rng/nuvoton,npcm-rng.txt new file mode 100644 index 000000000000..a697b4425fb3 --- /dev/null +++ b/Documentation/devicetree/bindings/rng/nuvoton,npcm-rng.txt @@ -0,0 +1,17 @@ +NPCM SoC Random Number Generator + +Required properties: +- compatible : "nuvoton,npcm750-rng" for the NPCM7XX BMC. +- reg : Specifies physical base address and size of the registers. + +Optional property: +- quality : estimated number of bits of true entropy per 1024 bits + read from the rng. + If this property is not defined, it defaults to 1000. + +Example: + +rng: rng@f000b000 { + compatible = "nuvoton,npcm750-rng"; + reg = <0xf000b000 0x8>; +};