From patchwork Tue Jul 16 23:29:27 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Greer X-Patchwork-Id: 2828359 Return-Path: X-Original-To: patchwork-linux-arm@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 611BF9F7D6 for ; Tue, 16 Jul 2013 23:31:12 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5877E2027F for ; Tue, 16 Jul 2013 23:31:11 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3FCEB2027C for ; Tue, 16 Jul 2013 23:31:10 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UzEhX-0006yj-LZ; Tue, 16 Jul 2013 23:30:36 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UzEhR-0003G4-Eu; Tue, 16 Jul 2013 23:30:29 +0000 Received: from p3plsmtpa06-09.prod.phx3.secureserver.net ([173.201.192.110]) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UzEhH-0003EA-7y for linux-arm-kernel@lists.infradead.org; Tue, 16 Jul 2013 23:30:20 +0000 Received: from blue.animalcreek.com ([68.2.84.29]) by p3plsmtpa06-09.prod.phx3.secureserver.net with id 1BVw1m00Q0dxz7o01BVwhD; Tue, 16 Jul 2013 16:29:57 -0700 Received: from blue.animalcreek.com (localhost [127.0.0.1]) by blue.animalcreek.com (Postfix) with ESMTP id 6C75665E90; Tue, 16 Jul 2013 16:29:56 -0700 (MST) From: "Mark A. Greer" To: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/2] ARM: dts: Add SHAM data and documentation for AM33XX Date: Tue, 16 Jul 2013 16:29:27 -0700 Message-Id: <1374017368-5267-2-git-send-email-mgreer@animalcreek.com> X-Mailer: git-send-email 1.7.12 In-Reply-To: <1374017368-5267-1-git-send-email-mgreer@animalcreek.com> References: <1374017368-5267-1-git-send-email-mgreer@animalcreek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130716_193019_501389_67FDD0E0 X-CRM114-Status: GOOD ( 12.37 ) X-Spam-Score: -1.9 (-) Cc: paul@pwsan.com, "Mark A. Greer" X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 Tested-by: Joel Fernandes --- .../devicetree/bindings/crypto/omap-sham.txt | 33 ++++++++++++++++++++++ arch/arm/boot/dts/am335x-bone.dts | 4 +++ arch/arm/boot/dts/am335x-evm.dts | 4 +++ arch/arm/boot/dts/am335x-evmsk.dts | 3 ++ arch/arm/boot/dts/am33xx.dtsi | 9 ++++++ 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..c6d1202 --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/omap-sham.txt @@ -0,0 +1,33 @@ +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 controller phandle and DMA request ordered pair. + Only one rx pair is valid per SHAM module. +- dma-names: DMA request name. This string corresponds 1:1 with + the ordered pair in dmas. The string naming is to be + "rx" for RX request. + +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 444b4ed..bc75b2c 100644 --- a/arch/arm/boot/dts/am335x-bone.dts +++ b/arch/arm/boot/dts/am335x-bone.dts @@ -234,3 +234,7 @@ pinctrl-0 = <&davinci_mdio_default>; pinctrl-1 = <&davinci_mdio_sleep>; }; + +&sham { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts index 3aee1a4..9b8c56d 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -488,3 +488,7 @@ ti,adc-channels = <4 5 6 7>; }; }; + +&sham { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts index 0c8ad17..b04aea1 100644 --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -401,4 +401,7 @@ &cpsw_emac1 { phy_id = <&davinci_mdio>, <1>; phy-mode = "rgmii-txid"; + +&sham { + status = "okay"; }; diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index 38b446b..eb0e719 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -529,6 +529,15 @@ #address-cells = <2>; #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"; }; }; };