linux-kernel - [PATCH v2 2/6] arm64: hi6220: Document devicetree bindings for Hisilicon hi6220 SoC

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Date:	Mon, 13 Apr 2015 17:17:36 +0800
From:	Bintian Wang <bintian.wang@...wei.com>
To:	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <catalin.marinas@....com>,
	<will.deacon@....com>, <devicetree@...r.kernel.org>,
	<robh+dt@...nel.org>, <pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>,
	<khilman@...aro.org>, <mturquette@...aro.org>,
	<rob.herring@...aro.org>, <zhangfei.gao@...aro.org>,
	<haojian.zhuang@...aro.org>, <xuwei5@...ilicon.com>,
	<jh80.chung@...sung.com>, <olof@...om.net>, <yanhaifeng@...il.com>,
	<sboyd@...eaurora.org>, <xuejiancheng@...wei.com>,
	<sledge.yanwei@...wei.com>, <tomeu.vizoso@...labora.com>,
	<linux@....linux.org.uk>, <guodong.xu@...aro.org>,
	<jorge.ramirez-ortiz@...aro.org>, <tyler.baker@...aro.org>
CC:	<xuyiping@...ilicon.com>, <wangbinghui@...ilicon.com>,
	<zhenwei.wang@...ilicon.com>, <victor.lixin@...ilicon.com>,
	<puck.chen@...ilicon.com>, <dan.zhao@...ilicon.com>,
	<huxinwei@...wei.com>, <bintian.wang@...wei.com>,
	<z.liuxinliang@...wei.com>, <heyunlei@...wei.com>,
	<kong.kongxinwei@...ilicon.com>, <btw@...l.itp.ac.cn>,
	<w.f@...wei.com>, <liguozhu@...ilicon.com>
Subject: [PATCH v2 2/6] arm64: hi6220: Document devicetree bindings for Hisilicon hi6220 SoC

This patch adds documentation for the devicetree bindings used by the
DT files of Hisilicon hi6220 SoC mobile platform.

Signed-off-by: Bintian Wang <bintian.wang@...wei.com>
---
 .../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
 
-- 
1.9.1

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