From: Boris Brezillon Subject: [PATCH v7 14/14] crypto: marvell/CESA: add DT bindings documentation Date: Thu, 18 Jun 2015 15:46:30 +0200 Message-ID: <1434635190-27733-15-git-send-email-boris.brezillon@free-electrons.com> References: <1434635190-27733-1-git-send-email-boris.brezillon@free-electrons.com> Cc: Boris Brezillon , Arnaud Ebalard , Tawfik Bayouk , Lior Amsalem , Nadav Haklai , Eran Ben-Avi , Thomas Petazzoni , Gregory CLEMENT , Jason Cooper , Sebastian Hesselbarth , Andrew Lunn , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Jason Gunthorpe , "Imre Kaloz" , Russell King - ARM Linux , "David S. Miller" , linux-crypto@vger.kernel.org Return-path: Received: from down.free-electrons.com ([37.187.137.238]:37521 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932378AbbFRNrT (ORCPT ); Thu, 18 Jun 2015 09:47:19 -0400 In-Reply-To: <1434635190-27733-1-git-send-email-boris.brezillon@free-electrons.com> Sender: linux-crypto-owner@vger.kernel.org List-ID: Add DT bindings documentation for the new marvell-cesa driver. Signed-off-by: Boris Brezillon --- .../devicetree/bindings/crypto/marvell-cesa.txt | 45 ++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/devicetree/bindings/crypto/marvell-cesa.txt diff --git a/Documentation/devicetree/bindings/crypto/marvell-cesa.txt b/Documentation/devicetree/bindings/crypto/marvell-cesa.txt new file mode 100644 index 0000000..c6c6a4a0 --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/marvell-cesa.txt @@ -0,0 +1,45 @@ +Marvell Cryptographic Engines And Security Accelerator + +Required properties: +- compatible: should be one of the following string + "marvell,orion-crypto" + "marvell,kirkwood-crypto" + "marvell,dove-crypto" + "marvell,armada-370-crypto" + "marvell,armada-xp-crypto" + "marvell,armada-375-crypto" + "marvell,armada-38x-crypto" +- reg: base physical address of the engine and length of memory mapped + region. Can also contain an entry for the SRAM attached to the CESA, + but this representation is deprecated and marvell,crypto-srams should + be used instead +- reg-names: "regs". Can contain an "sram" entry, but this representation + is deprecated and marvell,crypto-srams should be used instead +- interrupts: interrupt number +- clocks: reference to the crypto engines clocks. This property is not + required for orion and kirkwood platforms +- clock-names: "cesaX" and "cesazX", X should be replaced by the crypto engine + id. + This property is not required for the orion and kirkwoord + platforms. + "cesazX" clocks are not required on armada-370 platforms +- marvell,crypto-srams: phandle to crypto SRAM definitions + +Optional properties: +- marvell,crypto-sram-size: SRAM size reserved for crypto operations, if not + specified the whole SRAM is used (2KB) + + +Examples: + + crypto@90000 { + compatible = "marvell,armada-xp-crypto"; + reg = <0x90000 0x10000>; + reg-names = "regs"; + interrupts = <48>, <49>; + clocks = <&gateclk 23>, <&gateclk 23>; + clock-names = "cesa0", "cesa1"; + marvell,crypto-srams = <&crypto_sram0>, <&crypto_sram1>; + marvell,crypto-sram-size = <0x600>; + status = "okay"; + }; -- 1.9.1