From patchwork Thu May 14 12:50:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tero Kristo X-Patchwork-Id: 11548657 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 0920E138A for ; Thu, 14 May 2020 12:50:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E1F9420722 for ; Thu, 14 May 2020 12:50:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="H9aI1ieI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726087AbgENMuX (ORCPT ); Thu, 14 May 2020 08:50:23 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:56614 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726073AbgENMuX (ORCPT ); Thu, 14 May 2020 08:50:23 -0400 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 04ECo80g126913; Thu, 14 May 2020 07:50:08 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1589460608; bh=Fkq9j3sMdZa+zOtHYp3Cdxd3KNG03i48ARRIFHUTQPw=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=H9aI1ieIPQj0AMIsAxyQ6840x9W+fe6Rawe0b4geeqCoETBUwsolpMszQgv3qwUnx 0luaurEBckMB/uMk7Y5OhLKu2ESmFoGNKjotbvpG0LuS+RmJeUEy/JbRWlWDu5IgKW fCwAPXflnzFsEHQYyytnrF8WhYfXjP0gSk6i0S8c= Received: from DFLE101.ent.ti.com (dfle101.ent.ti.com [10.64.6.22]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 04ECo8j6043105 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 14 May 2020 07:50:08 -0500 Received: from DFLE114.ent.ti.com (10.64.6.35) by DFLE101.ent.ti.com (10.64.6.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 14 May 2020 07:50:07 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Thu, 14 May 2020 07:50:07 -0500 Received: from sokoban.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04ECo5o7108688; Thu, 14 May 2020 07:50:06 -0500 From: Tero Kristo To: , , CC: Keerthy , Rob Herring , Subject: [PATCHv3 1/7] dt-bindings: crypto: Add TI SA2UL crypto accelerator documentation Date: Thu, 14 May 2020 15:50:05 +0300 Message-ID: <20200514125005.23641-1-t-kristo@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200511215343.GA10123@bogus> References: <20200511215343.GA10123@bogus> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org From: Keerthy The Security Accelerator Ultra Lite (SA2UL) subsystem provides hardware cryptographic acceleration for the following use cases: * Encryption and authentication for secure boot * Encryption and authentication of content in applications requiring DRM (digital rights management) and content/asset protection SA2UL provides support for number of different cryptographic algorithms including SHA1, SHA256, SHA512, AES, 3DES, and various combinations of the previous for AEAD use. Cc: Rob Herring Cc: devicetree@vger.kernel.org Signed-off-by: Keerthy [t-kristo@ti.com: converted documentation to yaml] Signed-off-by: Tero Kristo Reviewed-by: Rob Herring --- v3: - fixed a typo in rng child node regex .../devicetree/bindings/crypto/ti,sa2ul.yaml | 76 +++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 Documentation/devicetree/bindings/crypto/ti,sa2ul.yaml diff --git a/Documentation/devicetree/bindings/crypto/ti,sa2ul.yaml b/Documentation/devicetree/bindings/crypto/ti,sa2ul.yaml new file mode 100644 index 000000000000..27bb3a7e2b87 --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/ti,sa2ul.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/crypto/ti,sa2ul.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: K3 SoC SA2UL crypto module + +maintainers: + - Tero Kristo + +properties: + compatible: + enum: + - ti,j721e-sa2ul + - ti,am654-sa2ul + + reg: + maxItems: 1 + + power-domains: + maxItems: 1 + + dmas: + items: + - description: TX DMA Channel + - description: RX DMA Channel #1 + - description: RX DMA Channel #2 + + dma-names: + items: + - const: tx + - const: rx1 + - const: rx2 + + dma-coherent: true + + "#address-cells": + const: 2 + + "#size-cells": + const: 2 + + ranges: + description: + Address translation for the possible RNG child node for SA2UL + +patternProperties: + "^rng@[a-f0-9]+$": + type: object + description: + Child RNG node for SA2UL + +required: + - compatible + - reg + - power-domains + - dmas + - dma-names + - dma-coherent + +additionalProperties: false + +examples: + - | + #include + + main_crypto: crypto@4e00000 { + compatible = "ti,j721-sa2ul"; + reg = <0x0 0x4e00000 0x0 0x1200>; + power-domains = <&k3_pds 264 TI_SCI_PD_EXCLUSIVE>; + dmas = <&main_udmap 0xc000>, <&main_udmap 0x4000>, + <&main_udmap 0x4001>; + dma-names = "tx", "rx1", "rx2"; + dma-coherent; + };