From patchwork Mon Feb 7 03:24:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tudor Ambarus X-Patchwork-Id: 12736803 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7EDDDC433FE for ; Mon, 7 Feb 2022 03:25:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=eTjSW8IF6T26uel7UgPEYKC0gprO3H53XVz8zHyFCi4=; b=OvEPi52nh3+Y5x xN/tpADm33MZfvAciHNreDQE2wdsp/dk7a5tf5tMoxo9c3jwqcXAcBF0EoUZ5uG/r1TB5QP1TjfEF tbB8a2pLiLtLR6UhS9rUiXaFvC/YE7DD0c43+2n9nlhW/fTrfCt4ARCD+6oY+vTFZbkpJ7mMRuYYi ty8Ue681bu+PtWV2StZIDS+PJAbGB66BjON0g7lLxIh6UFQQCN4+1T8ZlzwFMDBLKWhqzZnBH9c99 oiP928Kpy5xKRYRo61uT45heRouPCViCvIPJbemFY7WZeaaXMm5+YNeCuEbVDYPBaKI3yveXAwd9l fsykCdpC95LKgPs3P93Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nGudn-008wEg-AR; Mon, 07 Feb 2022 03:24:35 +0000 Received: from esa.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nGudU-008wBm-T1 for linux-arm-kernel@lists.infradead.org; Mon, 07 Feb 2022 03:24:18 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1644204256; x=1675740256; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=awSixqD/CJJZjbFyd98CVQECftK7r0d61n7TbK+Ouv0=; b=Z8og3eCij8HMNKHJILQkjy5dBkQDbenEMBNou2GYWnFu7p5VI8WzXkjJ +FHHzzgzuG9V5hKejXt1HDkAgB37HHvZ2i0YnwB+Foqe24C3sLIg+6iYd AZsI73DiyQu/9YVWn/L/jLDqOO6MxfIzLojhFxVZcVVcsALLe8s9odGgJ rm6DNoJLRv6yyRDo0+xDW7gVrVZy2wbLNQjCJytofpdnzOzjkHlfMY3ZL etxrf4nu+4EY9eSpy6ecsRy0qNPV2L3SpJHiJ7hwO/BFTaSy9ivGTBJdI JJoFaFL3+TNo66ytS15qawE9aLgMo+RYwlozcpAqUm0A7OziK4KQ+fPvk w==; IronPort-SDR: ow9aAvM7mD2zpctncoxDFwZBXFXlkNQLZSvocIIvdYU7oAkRAUYJ3JwfLSPa293fJCM0ZojK/a UztCI3pO7uPCTM4vJXZGTLUxYeeRhl8hfsTfxGASAMCx9q3eMBx+5AdOU3a+6hbSdR+7k5IePL DxXOR0KpsgrYfoTDz+pX44XynnLzXSJDwuazUEmqpe+IJpIpSpNmHKBFSaKbML1V7xxn4NeqOW TAPKW0Z7RFfi6ENClBatLHNC1gkmPC8iI4nhA1sM9ch3GWRXv6vHK/o/xKVaGNxbuvhnAceTN6 RPweQedmiMy2+wYRsmt/+PyN X-IronPort-AV: E=Sophos;i="5.88,348,1635231600"; d="scan'208";a="152654142" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa3.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 06 Feb 2022 20:24:16 -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; Sun, 6 Feb 2022 20:24:15 -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; Sun, 6 Feb 2022 20:24:13 -0700 From: Tudor Ambarus To: , Subject: [PATCH 2/3] dt-bindings: crypto: Convert Atmel TDES to yaml Date: Mon, 7 Feb 2022 05:24:04 +0200 Message-ID: <20220207032405.70733-3-tudor.ambarus@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220207032405.70733-1-tudor.ambarus@microchip.com> References: <20220207032405.70733-1-tudor.ambarus@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220206_192416_975528_EAE98CD4 X-CRM114-Status: GOOD ( 13.07 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, alexandre.belloni@bootlin.com, Tudor Ambarus , linux-kernel@vger.kernel.org, davem@davemloft.net, linux-crypto@vger.kernel.org, claudiu.beznea@microchip.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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 --- .../bindings/crypto/atmel,tdes.yaml | 63 +++++++++++++++++++ .../bindings/crypto/atmel-crypto.txt | 23 ------- 2 files changed, 63 insertions(+), 23 deletions(-) create mode 100644 Documentation/devicetree/bindings/crypto/atmel,tdes.yaml diff --git a/Documentation/devicetree/bindings/crypto/atmel,tdes.yaml b/Documentation/devicetree/bindings/crypto/atmel,tdes.yaml new file mode 100644 index 000000000000..7efa5e4acaa1 --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/atmel,tdes.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/crypto/atmel,tdes.yaml# +$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: tdes@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"; + status = "okay"; + }; 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: