From patchwork Mon Apr 13 09:17:36 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bintian Wang X-Patchwork-Id: 460725 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 941F51402F0 for ; Mon, 13 Apr 2015 19:18:50 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753803AbbDMJSt (ORCPT ); Mon, 13 Apr 2015 05:18:49 -0400 Received: from szxga02-in.huawei.com ([119.145.14.65]:18929 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753344AbbDMJSs (ORCPT ); Mon, 13 Apr 2015 05:18:48 -0400 Received: from 172.24.2.119 (EHLO SZXEML429-HUB.china.huawei.com) ([172.24.2.119]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id CJS06140; Mon, 13 Apr 2015 17:14:18 +0800 (CST) Received: from localhost.localdomain (10.110.52.31) by SZXEML429-HUB.china.huawei.com (10.82.67.184) with Microsoft SMTP Server id 14.3.158.1; Mon, 13 Apr 2015 17:14:01 +0800 From: Bintian Wang To: , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , , , , , , , Subject: [PATCH v2 2/6] arm64: hi6220: Document devicetree bindings for Hisilicon hi6220 SoC Date: Mon, 13 Apr 2015 17:17:36 +0800 Message-ID: <1428916660-25910-3-git-send-email-bintian.wang@huawei.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1428916660-25910-1-git-send-email-bintian.wang@huawei.com> References: <1428916660-25910-1-git-send-email-bintian.wang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.110.52.31] X-CFilter-Loop: Reflected Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This patch adds documentation for the devicetree bindings used by the DT files of Hisilicon hi6220 SoC mobile platform. Signed-off-by: Bintian Wang --- .../bindings/arm/hisilicon/hisilicon.txt | 73 ++++++++++++++++++++++ 1 file changed, 73 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt index 35b1bd4..66ad65d 100644 --- a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt +++ b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt @@ -13,6 +13,9 @@ HiP01 ca9x2 Board Required root node properties: - compatible = "hisilicon,hip01-ca9x2"; +HiKey Board +Required root node properties: + - compatible = "hisilicon,hi6220-hikey"; Hisilicon system controller @@ -29,6 +32,10 @@ Optional properties: - resume-offset : offset in sysctrl for notifying cpu0 when resume - reboot-offset : offset in sysctrl for system reboot +For some SoCs(e.g. Hi6220), many clock registers are defined under this +controller, so "#clock-cells" is a required property for these SoCs and +it should be set to 1. + Example: /* for Hi3620 */ @@ -40,6 +47,72 @@ Example: reboot-offset = <0x4>; }; + +Hisilicon Power Always ON domain controller + +Hisilicon designs this system controller to control the power always +on domain for mobile platform. + +Required properties: +- compatible : "hisilicon,aoctrl" +- reg : Register address and size + +For some SoCs(e.g. Hi6220), many clock registers are defined under this +controller, so "#clock-cells" is a required property for these SoCs and +it should be set to 1. + +Example: + /*for Hi6220*/ + ao_ctrl: ao_ctrl { + compatible = "hisilicon,aoctrl", "syscon"; + reg = <0x0 0xf7800000 0x0 0x2000>; + #clock-cells = <1>; + }; + + +Hisilicon Media domain controller + +Hisilicon designs this system controller to control the multimedia +domain(e.g. codec, G3D ...) for mobile platform. + +Required properties: +- compatible : "hisilicon,mediactrl" +- reg : Register address and size + +For some SoCs(e.g. Hi6220), many clock registers are defined under this +controller, so "#clock-cells" is a required property for these SoCs and +it should be set to 1. + +Example: + /*for Hi6220*/ + media_ctrl: media_ctrl { + compatible = "hisilicon,mediactrl", "syscon"; + reg = <0x0 0xf4410000 0x0 0x1000>; + #clock-cells = <1>; + }; + + +Hisilicon Power Management domain controller + +Hisilicon designs this system controller to control the power management +domain for mobile platform. + +Required properties: +- compatible : "hisilicon,pmctrl" +- reg : Register address and size + +For some SoCs (e.g. Hi6220), many clock registers are defined under this +controller, so "#clock-cells" is a required property for these SoCs and +it should be set to 1. + +Example: + /*for Hi6220*/ + pm_ctrl: pm_ctrl { + compatible = "hisilicon,pmctrl", "syscon"; + reg = <0x0 0xf7032000 0x0 0x1000>; + #clock-cells = <1>; + }; + ----------------------------------------------------------------------- Hisilicon HiP01 system controller