From patchwork Wed Jul 17 16:23:42 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Greer X-Patchwork-Id: 2828833 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 50C0F9F9A0 for ; Wed, 17 Jul 2013 16:24:01 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1CC7320237 for ; Wed, 17 Jul 2013 16:24:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BF77620336 for ; Wed, 17 Jul 2013 16:23:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932078Ab3GQQX6 (ORCPT ); Wed, 17 Jul 2013 12:23:58 -0400 Received: from p3plsmtpa06-05.prod.phx3.secureserver.net ([173.201.192.106]:51897 "EHLO p3plsmtpa06-05.prod.phx3.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756440Ab3GQQX5 (ORCPT ); Wed, 17 Jul 2013 12:23:57 -0400 Received: from blue.animalcreek.com ([68.2.84.29]) by p3plsmtpa06-05.prod.phx3.secureserver.net with id 1UPt1m0040dxz7o01UPtEf; Wed, 17 Jul 2013 09:23:57 -0700 Received: from blue.animalcreek.com (localhost [127.0.0.1]) by blue.animalcreek.com (Postfix) with ESMTP id 00A1D65EC7; Wed, 17 Jul 2013 09:23:53 -0700 (MST) From: "Mark A. Greer" To: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Paul Walmsley , "Mark A. Greer" Subject: [PATCH v2 2/2] ARM: dts: Add AES data and documentation for AM33XX Date: Wed, 17 Jul 2013 09:23:42 -0700 Message-Id: <1374078222-12883-3-git-send-email-mgreer@animalcreek.com> X-Mailer: git-send-email 1.7.12 In-Reply-To: <1374078222-12883-1-git-send-email-mgreer@animalcreek.com> References: <1374078222-12883-1-git-send-email-mgreer@animalcreek.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Spam-Status: No, score=-7.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: "Mark A. Greer" Add the generic AM33XX AES module's device tree data and enable it for the am335x-evm, am335x-evmsk, and am335x-bone platforms. Also add Documentation file describing the data for the AES module. CC: Paul Walmsley Signed-off-by: Mark A. Greer --- .../devicetree/bindings/crypto/omap-aes.txt | 35 ++++++++++++++++++++++ arch/arm/boot/dts/am335x-bone.dts | 4 +++ arch/arm/boot/dts/am335x-evm.dts | 4 +++ arch/arm/boot/dts/am335x-evmsk.dts | 4 +++ arch/arm/boot/dts/am33xx.dtsi | 11 +++++++ 5 files changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/crypto/omap-aes.txt diff --git a/Documentation/devicetree/bindings/crypto/omap-aes.txt b/Documentation/devicetree/bindings/crypto/omap-aes.txt new file mode 100644 index 0000000..b51d12f --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/omap-aes.txt @@ -0,0 +1,35 @@ +OMAP SoC AES crypto Module + +Required properties: + +- compatible : Should contain entries for this and backward compatible + AES versions: + - "ti,omap2-aes" for OMAP2. + - "ti,omap3-aes" for OMAP3. + - "ti,omap4-aes" for OMAP4 and AM33XX. + Note that the OMAP2 and 3 versions are compatible (OMAP3 supports + more algorithms) but they are incompatible with OMAP4. +- ti,hwmods: Name of the hwmod associated with the AES odule +- reg : Offset and length of the register set for the module +- interrupt-parent : the phandle for the interrupt controller that + services interrupts for this module. +- interrupts : the interrupt number for the AES odule. + +Optional properties: +- dmas: DMA controller phandle and DMA request ordered pairs. +- dma-names: DMA request names. This string corresponds 1:1 with + the ordered pairs in dmas. The string naming is to be + "tx" for TX request and "rx" for RX request. + +Example: + /* AM335x */ + aes: aes@53500000 { + compatible = "ti,omap4-aes"; + ti,hwmods = "aes"; + reg = <0x53500000 0xa0>; + interrupt-parent = <&intc>; + interrupts = <102>; + dmas = <&edma 6 + &edma 5>; + dma-names = "tx", "rx"; + }; diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts index bc75b2c..0cb454e 100644 --- a/arch/arm/boot/dts/am335x-bone.dts +++ b/arch/arm/boot/dts/am335x-bone.dts @@ -238,3 +238,7 @@ &sham { status = "okay"; }; + +&aes { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts index 9b8c56d..76ba004 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -492,3 +492,7 @@ &sham { status = "okay"; }; + +&aes { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts index 61dc5d4..025a47e 100644 --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -406,3 +406,7 @@ &sham { status = "okay"; }; + +&aes { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index 63a5e95..2a7ff0f 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -540,5 +540,16 @@ dmas = <&edma 36>; dma-names = "rx"; }; + + aes: aes@53500000 { + compatible = "ti,omap4-aes"; + ti,hwmods = "aes"; + reg = <0x53500000 0xa0>; + interrupt-parent = <&intc>; + interrupts = <102>; + dmas = <&edma 6 + &edma 5>; + dma-names = "tx", "rx"; + }; }; };