From patchwork Mon Jan 11 12:20:13 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen Feng X-Patchwork-Id: 59459 Delivered-To: patch@linaro.org Received: by 10.112.130.2 with SMTP id oa2csp2073865lbb; Mon, 11 Jan 2016 04:20:56 -0800 (PST) X-Received: by 10.66.159.226 with SMTP id xf2mr180218113pab.23.1452514856547; Mon, 11 Jan 2016 04:20:56 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id lm2si155721pab.240.2016.01.11.04.20.56; Mon, 11 Jan 2016 04:20:56 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759718AbcAKMUr (ORCPT + 29 others); Mon, 11 Jan 2016 07:20:47 -0500 Received: from szxga02-in.huawei.com ([119.145.14.65]:48554 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758164AbcAKMUp (ORCPT ); Mon, 11 Jan 2016 07:20:45 -0500 Received: from 172.24.1.51 (EHLO szxeml431-hub.china.huawei.com) ([172.24.1.51]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id CZQ66460; Mon, 11 Jan 2016 20:20:29 +0800 (CST) Received: from vm163-62.huawei.com (10.184.163.62) by szxeml431-hub.china.huawei.com (10.82.67.208) with Microsoft SMTP Server id 14.3.235.1; Mon, 11 Jan 2016 20:20:19 +0800 From: Chen Feng To: , , , , , , , , , , , , , CC: , , , , Subject: [PATCH v5 1/5] doc: bindings: Add document for mfd hi665x PMIC Date: Mon, 11 Jan 2016 20:20:13 +0800 Message-ID: <1452514817-118311-2-git-send-email-puck.chen@hisilicon.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1452514817-118311-1-git-send-email-puck.chen@hisilicon.com> References: <1452514817-118311-1-git-send-email-puck.chen@hisilicon.com> MIME-Version: 1.0 X-Originating-IP: [10.184.163.62] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020203.56939E0D.0116, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 0ad58f6c9c308397a9506c15f1af96db Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add document for mfd driver hi655x pmic driver Signed-off-by: Chen Feng Signed-off-by: Fei Wang Signed-off-by: Xinwei Kong --- .../devicetree/bindings/mfd/hisilicon,hi655x.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt -- 1.9.1 diff --git a/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt b/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt new file mode 100644 index 0000000..3180c40 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt @@ -0,0 +1,28 @@ +Hisilicon hi655x Power Management Integrated Circuit (PMIC) + +The hardware layout for access PMIC Hi655x from AP SoC Hi6220. +Between PMIC Hi655x and Hi6220, the physical signal channel is SSI. +We can use memory-mapped I/O to communicate. + ++----------------+ +-------------+ +| | | | +| Hi6220 | SSI bus | Hi655x | +| |-------------| | +| |(REGMAP_MMIO)| | ++----------------+ +-------------+ + +Required properties: +- compatible: Should be "hisilicon,hi655x-pmic" +- reg: Base address of PMIC on hi6220 soc +- interrupt-controller: Hi655x has internal IRQs (has own IRQ domain). +- pmic-gpios: The gpio used by pmic irq. + +Example: + pmic: pmic@f8000000 { + compatible = "hisilicon,hi655x-pmic"; + reg = <0x0 0xf8000000 0x0 0x1000>; + #interrupt-cells = <2>; + interrupt-controller; + pmic-gpios = <&gpio1 2 0>; + status = "disabled"; + }