From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752171AbcASGcm (ORCPT ); Tue, 19 Jan 2016 01:32:42 -0500 Received: from szxga01-in.huawei.com ([58.251.152.64]:47468 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751148AbcASGcl (ORCPT ); Tue, 19 Jan 2016 01:32:41 -0500 From: Chen Feng To: , , , , , , , , , , , , , , , , , , , CC: , , , , Subject: [PATCH v6 1/5] doc: bindings: Add document for mfd hi665x PMIC Date: Tue, 19 Jan 2016 14:32:00 +0800 Message-ID: <1453185124-30809-2-git-send-email-puck.chen@hisilicon.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1453185124-30809-1-git-send-email-puck.chen@hisilicon.com> References: <1453185124-30809-1-git-send-email-puck.chen@hisilicon.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.184.163.62] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020201.569DD873.00DA,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: d0674c0e59f7e451e080651fc1f102d6 Sender: linux-kernel-owner@vger.kernel.org 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 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"; + } -- 1.9.1