From patchwork Sat Oct 5 19:04:36 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Fernandes X-Patchwork-Id: 2991751 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 54F109F169 for ; Sat, 5 Oct 2013 19:05:50 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 875C9202A1 for ; Sat, 5 Oct 2013 19:05:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8A85420295 for ; Sat, 5 Oct 2013 19:05:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753009Ab3JETFJ (ORCPT ); Sat, 5 Oct 2013 15:05:09 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:45520 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752836Ab3JETFG (ORCPT ); Sat, 5 Oct 2013 15:05:06 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id r95J4d4f016817; Sat, 5 Oct 2013 14:04:39 -0500 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id r95J4dnN011123; Sat, 5 Oct 2013 14:04:39 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.2.342.3; Sat, 5 Oct 2013 14:04:39 -0500 Received: from joel-laptop.am.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id r95J4aXr017540; Sat, 5 Oct 2013 14:04:39 -0500 From: Joel Fernandes To: Mark Rutland , Benoit Cousson CC: Linux OMAP List , Linux ARM Kernel List , Linux Kernel Mailing List , , Paul Walmsley Subject: [PATCH v3 2/3] ARM: dts: AM33XX: Add AES data and documentation Date: Sat, 5 Oct 2013 14:04:36 -0500 Message-ID: <1380999877-20884-3-git-send-email-joelf@ti.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1380999877-20884-1-git-send-email-joelf@ti.com> References: <1380999877-20884-1-git-send-email-joelf@ti.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable 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. [joelf@ti.com: Dropped interrupt-parent propert, documentation fixups] CC: Paul Walmsley Signed-off-by: Mark A. Greer --- .../devicetree/bindings/crypto/omap-aes.txt | 31 ++++++++++++++++++++++ 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 | 10 +++++++ 5 files changed, 53 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..fd97176 --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/omap-aes.txt @@ -0,0 +1,31 @@ +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 module +- reg : Offset and length of the register set for the module +- interrupts : the interrupt-specifier for the AES module. + +Optional properties: +- dmas: DMA specifiers for tx and rx dma. See the DMA client binding, + Documentation/devicetree/bindings/dma/dma.txt +- dma-names: DMA request names should include "tx" and "rx" if present. + +Example: + /* AM335x */ + aes: aes@53500000 { + compatible = "ti,omap4-aes"; + ti,hwmods = "aes"; + reg = <0x53500000 0xa0>; + 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 8a9802e..94ee427 100644 --- a/arch/arm/boot/dts/am335x-bone.dts +++ b/arch/arm/boot/dts/am335x-bone.dts @@ -23,3 +23,7 @@ &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 d59e51c..86463fa 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -526,3 +526,7 @@ &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 d45a330..f577e65 100644 --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -428,3 +428,7 @@ &sham { status = "okay"; }; + +&aes { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index 299710b..2664da9 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -719,5 +719,15 @@ dmas = <&edma 36>; dma-names = "rx"; }; + + aes: aes@53500000 { + compatible = "ti,omap4-aes"; + ti,hwmods = "aes"; + reg = <0x53500000 0xa0>; + interrupts = <102>; + dmas = <&edma 6>, + <&edma 5>; + dma-names = "tx", "rx"; + }; }; };