From patchwork Tue Feb 8 10:49:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tudor Ambarus X-Patchwork-Id: 540860 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 C53F8C4321E for ; Tue, 8 Feb 2022 11:30:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349440AbiBHL36 (ORCPT ); Tue, 8 Feb 2022 06:29:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60592 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356476AbiBHKtg (ORCPT ); Tue, 8 Feb 2022 05:49:36 -0500 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3FE9BC03FEC3; Tue, 8 Feb 2022 02:49:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1644317375; x=1675853375; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=M55KZu2QZB5/Dm64TNCQxn9MG29ddQ39+nhh37gfD/I=; b=BqstaFSOLY1KkJexNH83pnHkmNAI4LioEIyNv4q6a0Kclvi8BAQwLVio BlOJuAxjhUfqXxt3WFcruYYiBfVa7sdT/QtfAlzZif+aidfkuoyWqRaJV 2RKv8ZEGNB6/Bsoc7Egl3i1m6/qtCP+ydIkdhuKlmgMaY0+1MPhBqvDCq UEREsFvKQfTdM+uVx3OtNqBNcH67Rlz/TiaKB/r/qcOqQwiDMzChDv+mj mrRtcUx/zgr8E+wUspne/tURReqoylgOe3fxBQQNvY/J+7XdwDlxaDbpe hVECXustUV+kZAx8qbUdIqFwQ18ZiGw2VaBZw6yo9jMwTI8u9AePRfScO g==; IronPort-SDR: EkrbKHP3uOk0uVFmPiAseSDf13NtILToVfRQw/p4mx2PLqPCRMmClxA9SIXmw2bPFcX6uI0v2D eU0oISWnIgyX/qx2bllIvdDxFpSOa5AER2i703hAyKUO2v8OTCXZoWi0qwbs7N+ESs+FzxIdfL SmO5SG1LeCQh6fiGu00tc0l7mU82nWS21qKNJ5TaLMrHfGdCwgak+QukN0sgdLnmF9l3VqvzCA UsXj9UZev5aWaqRMZ7iqODWkijTcmtwqfqP6Xpid3RYMCQKEJnpzvo9RmkPxtgVvirFFHZTymJ PddesnsKnjKuKSRsCCsPOcd7 X-IronPort-AV: E=Sophos;i="5.88,352,1635231600"; d="scan'208";a="152299954" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa5.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 08 Feb 2022 03:49:32 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) 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; Tue, 8 Feb 2022 03:49:30 -0700 Received: from ROB-ULT-M18064N.mchp-main.com (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Tue, 8 Feb 2022 03:49:27 -0700 From: Tudor Ambarus To: , CC: , , , , , , , , "Tudor Ambarus" Subject: [PATCH v2 2/3] dt-bindings: crypto: Convert Atmel TDES to yaml Date: Tue, 8 Feb 2022 12:49:17 +0200 Message-ID: <20220208104918.226156-3-tudor.ambarus@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220208104918.226156-1-tudor.ambarus@microchip.com> References: <20220208104918.226156-1-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 --- .../crypto/atmel,at91sam9g46-tdes.yaml | 63 +++++++++++++++++++ .../bindings/crypto/atmel-crypto.txt | 23 ------- 2 files changed, 63 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..8a71f3feb6a3 --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-tdes.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: GPL-2.0-only +%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: