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: 1903781 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 621553FE78 for ; Fri, 21 Dec 2012 16:28:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752522Ab2LUQ2o (ORCPT ); Fri, 21 Dec 2012 11:28:44 -0500 Received: from mail20.dotsterhost.com ([66.11.232.73]:38834 "EHLO mail20.dotsterhost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751091Ab2LUQ2e (ORCPT ); Fri, 21 Dec 2012 11:28:34 -0500 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 Cc: paul@pwsan.com, "Mark A. Greer" 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> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.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"; + }; }; };