From patchwork Fri Dec 21 16:28:15 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Greer X-Patchwork-Id: 1903931 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id AE2B93FC64 for ; Fri, 21 Dec 2012 16:41:41 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1Tm5bI-0007xV-2g; Fri, 21 Dec 2012 16:37:32 +0000 Received: from mail20.dotsterhost.com ([66.11.232.73]) by merlin.infradead.org with smtps (Exim 4.76 #1 (Red Hat Linux)) id 1Tm5Zh-0007BO-UU for linux-arm-kernel@lists.infradead.org; Fri, 21 Dec 2012 16:35:59 +0000 Received: (qmail 18394 invoked from network); 21 Dec 2012 16:28:32 -0000 Received: from unknown (HELO blue.animalcreek.com) (mgreer@animalcreek.com@[68.3.93.7]) by 66.11.232.73 with SMTP; 21 Dec 2012 16:28:32 -0000 Received: from blue.animalcreek.com (localhost [127.0.0.1]) by blue.animalcreek.com (Postfix) with ESMTP id EA99665A5F; Fri, 21 Dec 2012 09:28:31 -0700 (MST) From: "Mark A. Greer" To: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 15/15] ARM: dts: Add AES data and documentation for AM33XX Date: Fri, 21 Dec 2012 09:28:15 -0700 Message-Id: <1356107295-11121-16-git-send-email-mgreer@animalcreek.com> X-Mailer: git-send-email 1.7.12 In-Reply-To: <1356107295-11121-1-git-send-email-mgreer@animalcreek.com> References: <1356107295-11121-1-git-send-email-mgreer@animalcreek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20121221_113554_496864_32E69501 X-CRM114-Status: GOOD ( 12.35 ) X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [66.11.232.73 listed in list.dnswl.org] -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: paul@pwsan.com, "Mark A. Greer" X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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 | 37 ++++++++++++++++++++++ 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 | 13 ++++++++ 5 files changed, 62 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..6b21256 --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/omap-aes.txt @@ -0,0 +1,37 @@ +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"; + #address-cells = <1>; + #size-cells = <0>; + 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 1c35f83..4ade888 100644 --- a/arch/arm/boot/dts/am335x-bone.dts +++ b/arch/arm/boot/dts/am335x-bone.dts @@ -196,3 +196,7 @@ &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 57515cd..743635b 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -263,3 +263,7 @@ &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 b322919..1cf8fe1 100644 --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -252,3 +252,7 @@ &sham { status = "okay"; }; + +&aes { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index 671135e..0aa1a53 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -467,5 +467,18 @@ dmas = <&edma 36>; dma-names = "rx"; }; + + aes: aes@53500000 { + compatible = "ti,omap4-aes"; + ti,hwmods = "aes"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x53500000 0xa0>; + interrupt-parent = <&intc>; + interrupts = <102>; + dmas = <&edma 6 + &edma 5>; + dma-names = "tx", "rx"; + }; }; };