From: Boris Brezillon Subject: [PATCH 2/2] crypto: marvell/CESA: update DT bindings documentation Date: Thu, 9 Apr 2015 16:58:43 +0200 Message-ID: <1428591523-1780-3-git-send-email-boris.brezillon@free-electrons.com> References: <1428591523-1780-1-git-send-email-boris.brezillon@free-electrons.com> Cc: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org, Tawfik Bayouk , Lior Amsalem , Nadav Haklai , Eran Ben-Avi , Thomas Petazzoni , Gregory CLEMENT , Jason Cooper , Sebastian Hesselbarth , Andrew Lunn , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Arnaud Ebalard , Boris Brezillon To: Herbert Xu , "David S. Miller" , linux-crypto@vger.kernel.org Return-path: In-Reply-To: <1428591523-1780-1-git-send-email-boris.brezillon@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org Document new compatible strings, document the new method to reference the crypto SRAM and deprecate the old one and document the the 'clocks' and 'clock-names' properties. Signed-off-by: Boris Brezillon --- .../devicetree/bindings/crypto/mv_cesa.txt | 50 ++++++++++++++++------ 1 file changed, 38 insertions(+), 12 deletions(-) diff --git a/Documentation/devicetree/bindings/crypto/mv_cesa.txt b/Documentation/devicetree/bindings/crypto/mv_cesa.txt index 47229b1..4ce9bc5 100644 --- a/Documentation/devicetree/bindings/crypto/mv_cesa.txt +++ b/Documentation/devicetree/bindings/crypto/mv_cesa.txt @@ -1,20 +1,46 @@ Marvell Cryptographic Engines And Security Accelerator Required properties: -- compatible : should be "marvell,orion-crypto" -- reg : base physical address of the engine and length of memory mapped - region, followed by base physical address of sram and its memory - length -- reg-names : "regs" , "sram"; -- interrupts : interrupt number +- compatible: should be one of the following string + "marvell,orion-crypto" + "marvell,kirkwood-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 +- reg-names: "regs" +- 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) + +Deprecated properties: +- reg: base physical address of the engine and length of memory mapped + region, followed by base physical address of sram and its memory + length +- reg-names: "regs" , "sram" Examples: - crypto@30000 { - compatible = "marvell,orion-crypto"; - reg = <0x30000 0x10000>, - <0x4000000 0x800>; - reg-names = "regs" , "sram"; - interrupts = <22>; + 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