From patchwork Wed Sep 25 22:01:03 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Fernandes X-Patchwork-Id: 2944831 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 1F274BFF05 for ; Wed, 25 Sep 2013 22:02:34 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2E3C12033F for ; Wed, 25 Sep 2013 22:02:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3142420340 for ; Wed, 25 Sep 2013 22:02:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755251Ab3IYWC1 (ORCPT ); Wed, 25 Sep 2013 18:02:27 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:52082 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755205Ab3IYWCX (ORCPT ); Wed, 25 Sep 2013 18:02:23 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id r8PM1j3l028571; Wed, 25 Sep 2013 17:01:45 -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 r8PM1jGU003262; Wed, 25 Sep 2013 17:01:45 -0500 Received: from dflp33.itg.ti.com (10.64.6.16) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.2.342.3; Wed, 25 Sep 2013 17:01:45 -0500 Received: from joel-laptop.am.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id r8PM1BqK014105; Wed, 25 Sep 2013 17:01:45 -0500 From: Joel Fernandes To: Benoit Cousson , Tony Lindgren , Arnd Bergmann , Olof Johansson , Grant Likely , Jason Kridner , Koen Kooi CC: Devicetree Discuss , Linux OMAP List , Linux ARM Kernel List , Paul Walmsley Subject: [PATCH 3/9] ARM: dts: Add SHAM data and documentation for AM33XX Date: Wed, 25 Sep 2013 17:01:03 -0500 Message-ID: <1380146469-29496-4-git-send-email-joelf@ti.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1380146469-29496-1-git-send-email-joelf@ti.com> References: <1380146469-29496-1-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=-5.5 required=5.0 tests=BAYES_00,KHOP_BIG_TO_CC, 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 SHAM 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 SHAM module. CC: Paul Walmsley Signed-off-by: Mark A. Greer --- .../devicetree/bindings/crypto/omap-sham.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-sham.txt diff --git a/Documentation/devicetree/bindings/crypto/omap-sham.txt b/Documentation/devicetree/bindings/crypto/omap-sham.txt new file mode 100644 index 0000000..b97710f --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/omap-sham.txt @@ -0,0 +1,31 @@ +OMAP SoC SHA crypto Module + +Required properties: + +- compatible : Should contain entries for this and backward compatible + SHAM versions: + - "ti,omap2-sham" for OMAP2 & OMAP3. + - "ti,omap4-sham" for OMAP4 and AM33XX. + Note that these two versions are incompatible. +- ti,hwmods: Name of the hwmod associated with the SHAM module +- 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 SHAM module. + +Optional properties: +- dmas: DMA specifier for the rx dma. See the DMA client binding, + Documentation/devicetree/bindings/dma/dma.txt +- dma-names: DMA request name. Should be "rx" if a dma is present. + +Example: + /* AM335x */ + sham: sham@53100000 { + compatible = "ti,omap4-sham"; + ti,hwmods = "sham"; + reg = <0x53100000 0x200>; + interrupt-parent = <&intc>; + interrupts = <109>; + dmas = <&edma 36>; + dma-names = "rx"; + }; diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts index 0d63348..8a9802e 100644 --- a/arch/arm/boot/dts/am335x-bone.dts +++ b/arch/arm/boot/dts/am335x-bone.dts @@ -19,3 +19,7 @@ &mmc1 { vmmc-supply = <&ldo3_reg>; }; + +&sham { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts index 23b0a3e..d59e51c 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -522,3 +522,7 @@ status = "okay"; vmmc-supply = <&vmmc_reg>; }; + +&sham { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts index bc93895..d45a330 100644 --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -424,3 +424,7 @@ status = "okay"; vmmc-supply = <&vmmc_reg>; }; + +&sham { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index 553adc6..e77aa6e 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -710,5 +710,15 @@ #size-cells = <1>; status = "disabled"; }; + + sham: sham@53100000 { + compatible = "ti,omap4-sham"; + ti,hwmods = "sham"; + reg = <0x53100000 0x200>; + interrupt-parent = <&intc>; + interrupts = <109>; + dmas = <&edma 36>; + dma-names = "rx"; + }; }; };