Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758568AbbEEMEV (ORCPT ); Tue, 5 May 2015 08:04:21 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:59628 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758529AbbEEMEG (ORCPT ); Tue, 5 May 2015 08:04:06 -0400 From: Bintian Wang To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , , , , , , , Subject: [PATCH v4 2/5] arm64: hi6220: Document devicetree bindings for Hisilicon hi6220 SoC Date: Tue, 5 May 2015 20:06:36 +0800 Message-ID: <1430827599-11560-3-git-send-email-bintian.wang@huawei.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1430827599-11560-1-git-send-email-bintian.wang@huawei.com> References: <1430827599-11560-1-git-send-email-bintian.wang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.110.52.31] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020206.5548B14A.01EE,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-05-26 15:14:31, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 9d85d693a5d5a336cbbcc40399a31a0b Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3927 Lines: 127 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 | 87 ++++++++++++++++++++++ 1 file changed, 87 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt index 35b1bd4..f67d0f3 100644 --- a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt +++ b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt @@ -1,5 +1,8 @@ Hisilicon Platforms Device Tree Bindings ---------------------------------------------------- +Hi6220 SoC +Required root node properties: + - compatible = "hisilicon,hi6220"; Hi4511 Board Required root node properties: @@ -13,6 +16,9 @@ HiP01 ca9x2 Board Required root node properties: - compatible = "hisilicon,hip01-ca9x2"; +HiKey Board +Required root node properties: + - compatible = "hisilicon,hi6220-hikey", "hisilicon,hi6220"; Hisilicon system controller @@ -41,6 +47,87 @@ Example: }; ----------------------------------------------------------------------- +Hisilicon Hi6220 system controller + +Required properties: +- compatible : "hisilicon,hi6220-sysctrl" +- reg : Register address and size +- #clock-cells: should be set to 1, many clock registers are defined + under this controller and this property must be present. + +Hisilicon designs this controller as one of the system controllers, +its main functions are the same as Hisilicon system controller, but +the register offset of some core modules are different. + +Example: + /*for Hi6220*/ + sys_ctrl: sys_ctrl { + compatible = "hisilicon,hi6220-sysctrl", "syscon"; + reg = <0x0 0xf7030000 0x0 0x2000>; + #clock-cells = <1>; + }; + + +Hisilicon Hi6220 Power Always ON domain controller + +Required properties: +- compatible : "hisilicon,hi6220-aoctrl" +- reg : Register address and size +- #clock-cells: should be set to 1, many clock registers are defined + under this controller and this property must be present. + +Hisilicon designs this system controller to control the power always +on domain for mobile platform. + +Example: + /*for Hi6220*/ + ao_ctrl: ao_ctrl { + compatible = "hisilicon,hi6220-aoctrl", "syscon"; + reg = <0x0 0xf7800000 0x0 0x2000>; + #clock-cells = <1>; + }; + + +Hisilicon Hi6220 Media domain controller + +Required properties: +- compatible : "hisilicon,hi6220-mediactrl" +- reg : Register address and size +- #clock-cells: should be set to 1, many clock registers are defined + under this controller and this property must be present. + +Hisilicon designs this system controller to control the multimedia +domain(e.g. codec, G3D ...) for mobile platform. + +Example: + /*for Hi6220*/ + media_ctrl: media_ctrl { + compatible = "hisilicon,hi6220-mediactrl", "syscon"; + reg = <0x0 0xf4410000 0x0 0x1000>; + #clock-cells = <1>; + }; + + +Hisilicon Hi6220 Power Management domain controller + +Required properties: +- compatible : "hisilicon,hi6220-pmctrl" +- reg : Register address and size +- #clock-cells: should be set to 1, some clock registers are define + under this controller and this property must be present. + +Hisilicon designs this system controller to control the power management +domain for mobile platform. + +Example: + /*for Hi6220*/ + pm_ctrl: pm_ctrl { + compatible = "hisilicon,hi6220-pmctrl", "syscon"; + reg = <0x0 0xf7032000 0x0 0x1000>; + #clock-cells = <1>; + }; + +----------------------------------------------------------------------- Hisilicon HiP01 system controller Required properties: -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/