From patchwork Fri Feb 11 08:21:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tudor Ambarus X-Patchwork-Id: 12743013 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 ECF11C433FE for ; Fri, 11 Feb 2022 08:21:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348026AbiBKIVg (ORCPT ); Fri, 11 Feb 2022 03:21:36 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:53430 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244536AbiBKIVf (ORCPT ); Fri, 11 Feb 2022 03:21:35 -0500 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8759BE48; Fri, 11 Feb 2022 00:21:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1644567691; x=1676103691; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=hxyhR77ViR8q7n8EHi/1/cOeFa7oAFpCu+JwfCywQ7I=; b=NfMm1FNGqkKd5ChEOV/cYhcng1CHF/Vl96D/9k6Rb6zW9fVpD5cg2UBG sdGOVinYngimyINyLrcaTFrd+Q3KyuxB7xKaQ4ch9qbfHsX+1WkDbeKhh 64xmn6WJZGujB69mmfQwX9+PrhJXbZ2XBbtGyX5UXoYVTZeAbXzzjFdgP uubRGG2RWqQS+u9w2uVFfpBH6rqSaZmb48j87Jz6roJNZTTgEGlRzaopi hwAJuHzGcv0rKKkMDgqYfNNnzEZeKUn7uBFFJU9fcagVBgYtRFNTbOW44 KLJRrSt/URkgXxQqTbbv6zPilhiOyA+lEngPr+d6mrqmzpNRJyO06V0Sr g==; IronPort-SDR: 1wuMOUJKu5wG6usHx1WL7l8ZTj5k624+C7yRPcjbeWyYz3oi6Qz3brlwYNHv/XOXrjWzstVfrD JSNEAGHtSFcNySLsqbzbo51ZAVv0DXEp9fqsyxGrxFlYw7urj12H3RbPxb7GyDi/ffr7hjqFXD 3yo1TrTiEDLO03obvUJ5m4ZK72KDW/I7pCYx1syPUm4hrintx/73WxRcVnpLua/6upAVMV+jhy tJgac9OHQcXz15CllZKT0dCFuir56tHQesthZLAP/DVwtUX6T5UvQW2inWe1NVSWY0h5BzLX23 uOJadNGJ9NjolJkpWW8eE1o8 X-IronPort-AV: E=Sophos;i="5.88,360,1635231600"; d="scan'208";a="153253167" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa3.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 11 Feb 2022 01:21:27 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Fri, 11 Feb 2022 01:21:26 -0700 Received: from ROB-ULT-M18064N.mchp-main.com (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Fri, 11 Feb 2022 01:21:22 -0700 From: Tudor Ambarus To: , , CC: , , , , , , , , "Tudor Ambarus" Subject: [PACTH v3 2/3] dt-bindings: crypto: Convert Atmel TDES to yaml Date: Fri, 11 Feb 2022 10:21:13 +0200 Message-ID: <20220211082114.452911-3-tudor.ambarus@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220211082114.452911-1-tudor.ambarus@microchip.com> References: <20220211082114.452911-1-tudor.ambarus@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Convert Atmel TDES documentation to yaml format. With the conversion the clock and clock-names properties are made mandatory. The driver returns -EINVAL if "tdes_clk" is not found, reflect that in the bindings and make the clock and clock-names properties mandatory. Update the example to better describe how one should define the dt node. Signed-off-by: Tudor Ambarus Reviewed-by: Krzysztof Kozlowski --- .../crypto/atmel,at91sam9g46-tdes.yaml | 64 +++++++++++++++++++ .../bindings/crypto/atmel-crypto.txt | 23 ------- 2 files changed, 64 insertions(+), 23 deletions(-) create mode 100644 Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-tdes.yaml diff --git a/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-tdes.yaml b/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-tdes.yaml new file mode 100644 index 000000000000..fcc5adf03cad --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-tdes.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2022 Microchip Technology, Inc. and its subsidiaries +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/crypto/atmel,at91sam9g46-tdes.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Atmel Triple Data Encryption Standard (TDES) HW cryptographic accelerator + +maintainers: + - Tudor Ambarus + +properties: + compatible: + const: atmel,at91sam9g46-tdes + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: tdes_clk + + dmas: + items: + - description: TX DMA Channel + - description: RX DMA Channel + + dma-names: + items: + - const: tx + - const: rx + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include + #include + #include + #include + + tdes: crypto@e2014000 { + compatible = "atmel,at91sam9g46-tdes"; + reg = <0xe2014000 0x100>; + interrupts = ; + clocks = <&pmc PMC_TYPE_PERIPHERAL 96>; + clock-names = "tdes_clk"; + dmas = <&dma0 AT91_XDMAC_DT_PERID(54)>, + <&dma0 AT91_XDMAC_DT_PERID(53)>; + dma-names = "tx", "rx"; + }; diff --git a/Documentation/devicetree/bindings/crypto/atmel-crypto.txt b/Documentation/devicetree/bindings/crypto/atmel-crypto.txt index 1353ebd0dcaa..5c6541cfcc4a 100644 --- a/Documentation/devicetree/bindings/crypto/atmel-crypto.txt +++ b/Documentation/devicetree/bindings/crypto/atmel-crypto.txt @@ -2,29 +2,6 @@ These are the HW cryptographic accelerators found on some Atmel products. -* Triple Data Encryption Standard (Triple DES) - -Required properties: -- compatible : Should be "atmel,at91sam9g46-tdes". -- reg: Should contain TDES registers location and length. -- interrupts: Should contain the IRQ line for the TDES. - -Optional properties: -- dmas: List of two DMA specifiers as described in - atmel-dma.txt and dma.txt files. -- dma-names: Contains one identifier string for each DMA specifier - in the dmas property. - -Example: -tdes@f803c000 { - compatible = "atmel,at91sam9g46-tdes"; - reg = <0xf803c000 0x100>; - interrupts = <44 4 0>; - dmas = <&dma1 2 20>, - <&dma1 2 21>; - dma-names = "tx", "rx"; -}; - * Secure Hash Algorithm (SHA) Required properties: