From: Jonathan Cameron Subject: [RFC PATCH 1/3] dt-bindings: Add bindings for Hisilicon SEC crypto accelerators. Date: Tue, 30 Jan 2018 15:29:51 +0000 Message-ID: <20180130152953.14068-2-jonathan.cameron@huawei.com> References: <20180130152953.14068-1-jonathan.cameron@huawei.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , Herbert Xu , "David S . Miller" , =?UTF-8?q?Stephan=20M=C3=BCller?= , , Mark Brown , Xiongfeng Wang , Jonathan Cameron To: Return-path: Received: from szxga06-in.huawei.com ([45.249.212.32]:58730 "EHLO huawei.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1753005AbeA3Pa6 (ORCPT ); Tue, 30 Jan 2018 10:30:58 -0500 In-Reply-To: <20180130152953.14068-1-jonathan.cameron@huawei.com> Sender: linux-crypto-owner@vger.kernel.org List-ID: From: Jonathan Cameron The hip06 and hip07 SoCs contain a number of these crypto units which accelerate AES and DES operations. Signed-off-by: Jonathan Cameron --- .../bindings/crypto/hisilicon,hip07-sec.txt | 71 ++++++++++++++++++++++ 1 file changed, 71 insertions(+) diff --git a/Documentation/devicetree/bindings/crypto/hisilicon,hip07-sec.txt b/Documentation/devicetree/bindings/crypto/hisilicon,hip07-sec.txt new file mode 100644 index 000000000000..bf81118e560c --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/hisilicon,hip07-sec.txt @@ -0,0 +1,71 @@ +* Hisilicon hip07 Security Accelerator (SEC) + +Required properties: +- compatible: Must contain one of + - "hisilicon,hip06-sec" + - "hisilicon,hip07-sec" +- #address-cells: Must be <2> as 64 bit addresses in reg. +- #size-cells: Must be <2> as 64 bit lengths in reg. +- reg: Memory addresses and lengths of the memory regions used by the driver. + Region 0 has registers to control the backend processing engines. + Region 1 has registers for functionality common to all queues. + Regions 2-18 have registers for the individual queues which are isolated + both in hardware and within the driver. +- interrupts: Interrupt specifiers. + Refer to interrupt-controller/interrupts.txt for generic interrupt client node + bindings. + Interrupt 0 is for the SEC unit error queue. + Interrupt 2N + 1 is the completion interrupt for queue N. + Interrupt 2N + 2 is the error interrupt for queue N. +- dma-coherent: The driver assumes coherent dma is possible. + +Optional properties: +- iommus: The SEC units are behind smmu-v3 iommus. + Refer to iommu/arm,smmu-v3.txt for more information. + +Example: +Second socket, first unit chosen to illustrate need for 64 bit addresses. + +p1_sec_a: sec@d2000000 { + compatible = "hisilicon,hip07-sec"; + #address-cells = <2>; + #size-cells = <2>; + reg = <0x400 0xd0000000 0x0 0x10000 + 0x400 0xd2000000 0x0 0x10000 + 0x400 0xd2010000 0x0 0x10000 + 0x400 0xd2020000 0x0 0x10000 + 0x400 0xd2030000 0x0 0x10000 + 0x400 0xd2040000 0x0 0x10000 + 0x400 0xd2050000 0x0 0x10000 + 0x400 0xd2060000 0x0 0x10000 + 0x400 0xd2070000 0x0 0x10000 + 0x400 0xd2080000 0x0 0x10000 + 0x400 0xd2090000 0x0 0x10000 + 0x400 0xd20a0000 0x0 0x10000 + 0x400 0xd20b0000 0x0 0x10000 + 0x400 0xd20c0000 0x0 0x10000 + 0x400 0xd20d0000 0x0 0x10000 + 0x400 0xd20e0000 0x0 0x10000 + 0x400 0xd20f0000 0x0 0x10000 + 0x400 0xd2100000 0x0 0x10000>; + interrupt-parent = <&p1_mbigen_sec_a>; + iommus = <&p1_smmu_alg_a 0x600>; + dma-coherent; + interrupts = <576 4>, + <577 1>,<578 4>, + <579 1>,<580 4>, + <581 1>,<582 4>, + <583 1>,<584 4>, + <585 1>,<586 4>, + <587 1>,<588 4>, + <589 1>,<590 4>, + <591 1>,<592 4>, + <593 1>,<594 4>, + <595 1>,<596 4>, + <597 1>,<598 4>, + <599 1>,<600 4>, + <601 1>,<602 4>, + <603 1>,<604 4>, + <605 1>,<606 4>, + <607 1>,<608 4>; +}; -- 2.11.0