From patchwork Sun Feb 14 06:29:19 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen Feng X-Patchwork-Id: 61915 Delivered-To: patch@linaro.org Received: by 10.112.43.199 with SMTP id y7csp423308lbl; Sat, 13 Feb 2016 22:30:08 -0800 (PST) X-Received: by 10.98.86.8 with SMTP id k8mr14229099pfb.28.1455431408448; Sat, 13 Feb 2016 22:30:08 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id xu3si33289520pab.94.2016.02.13.22.30.08; Sat, 13 Feb 2016 22:30:08 -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 S1751633AbcBNGaA (ORCPT + 30 others); Sun, 14 Feb 2016 01:30:00 -0500 Received: from szxga02-in.huawei.com ([119.145.14.65]:44571 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751247AbcBNG36 (ORCPT ); Sun, 14 Feb 2016 01:29:58 -0500 Received: from 172.24.1.51 (EHLO szxeml433-hub.china.huawei.com) ([172.24.1.51]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DBF72383; Sun, 14 Feb 2016 14:29:34 +0800 (CST) Received: from vm163-62.huawei.com (10.184.163.62) by szxeml433-hub.china.huawei.com (10.82.67.210) with Microsoft SMTP Server id 14.3.235.1; Sun, 14 Feb 2016 14:29:24 +0800 From: Chen Feng To: , , , , , , , CC: , Subject: [PATCH v8 1/5] mfd: hi655x: Add document for mfd hi665x PMIC Date: Sun, 14 Feb 2016 14:29:19 +0800 Message-ID: <1455431363-113771-2-git-send-email-puck.chen@hisilicon.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1455431363-113771-1-git-send-email-puck.chen@hisilicon.com> References: <1455431363-113771-1-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=0001.0A020206.56C01ECE.00CA, 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: 2844795d455f12c3b905037afbd9de12 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DT bindings for hisilicon hi655x MFD PMIC chip. Signed-off-by: Chen Feng Signed-off-by: Fei Wang Signed-off-by: Xinwei Kong Reviewed-by: Haojian Zhuang --- .../devicetree/bindings/mfd/hisilicon,hi655x.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 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..0548569 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt @@ -0,0 +1,27 @@ +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-controller; + #interrupt-cells = <2>; + pmic-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; + }