From: James Hartley Subject: [PATCH 2/2] Documentation: crypto: Add DT binding info for the img hw hash accelerator Date: Mon, 10 Nov 2014 12:10:55 +0000 Message-ID: <1415621455-10468-3-git-send-email-james.hartley@imgtec.com> References: <1415621455-10468-1-git-send-email-james.hartley@imgtec.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , , , , , , James Hartley To: , , , , , , , , , , Return-path: Received: from mailapp01.imgtec.com ([195.59.15.196]:18079 "EHLO mailapp01.imgtec.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752577AbaKJMLh (ORCPT ); Mon, 10 Nov 2014 07:11:37 -0500 In-Reply-To: <1415621455-10468-1-git-send-email-james.hartley@imgtec.com> Sender: linux-crypto-owner@vger.kernel.org List-ID: Signed-off-by: James Hartley --- .../devicetree/bindings/crypto/img-hash.txt | 28 ++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/crypto/img-hash.txt diff --git a/Documentation/devicetree/bindings/crypto/img-hash.txt b/Documentation/devicetree/bindings/crypto/img-hash.txt new file mode 100644 index 0000000..94d789c --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/img-hash.txt @@ -0,0 +1,28 @@ +* Imagination Technologies Ltd. Hash Accelerator + +The hash accelerator provides hardware hashing acceleration for +SHA1, SHA224, SHA256 and MD5 hashes + +Required properties: + +- compatible : "img,img-hash-accelerator-rev1" +- reg : Offset and length of the register set for the module, and the DMA port +- interrupts : The designated IRQ line for the hashing module. +- dmas : DMA specifier as per Documentation/devicetree/bindings/dma/dma.txt +- dma-names : Should be "tx" +- bus-addr : The bus address for the input data for hashing block +- clocks : Clock specifier +- clock-names : "hash_clk" Used to clock data through the accelerator + +Example: + + hash: hash@18149600 { + compatible = "img,img-hash-accelerator-rev1"; + reg = <0x18149600 0x100, 0x18101100 0x4>; + interrupts = <59 4 2>; + dmas = <&dma 8 0xffffffff>; + dma-names = "tx"; + bus-addr = <0x18101100>; + clocks = <&hash_clk>; + clock-names = "hash_clk"; + }; -- 1.7.9.5