From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bintian Wang 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> References: <1430827599-11560-1-git-send-email-bintian.wang@huawei.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1430827599-11560-1-git-send-email-bintian.wang@huawei.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, catalin.marinas@arm.com, will.deacon@arm.com, devicetree@vger.kernel.org, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, khilman@linaro.org, mturquette@linaro.org, rob.herring@linaro.org, zhangfei.gao@linaro.org, haojian.zhuang@linaro.org, xuwei5@hisilicon.com, jh80.chung@samsung.com, olof@lixom.net, yanhaifeng@gmail.com, sboyd@codeaurora.org, xuejiancheng@huawei.com, sledge.yanwei@huawei.com, tomeu.vizoso@collabora.com, linux@arm.linux.org.uk, guodong.xu@linaro.org, jorge.ramirez-ortiz@linaro.org, tyler.baker@linaro.org, khilman@kernel.org, pebolle@tiscali.nl, arnd@arndb.de, marc.zyngier@arm.com Cc: xuyiping@hisilicon.com, wangbinghui@hisilicon.com, zhenwei.wang@hisilicon.com, victor.lixin@hisilicon.com, puck.chen@hisilicon.com, dan.zhao@hisilicon.com, huxinwei@huawei.com, bintian.wang@huawei.com, z.liuxinliang@huawei.com, heyunlei@huawei.com, kong.kongxinwei@hisilicon.com, btw@mail.itp.ac.cn, w.f@huawei.com, liguozhu@hisilicon.com List-Id: 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 | 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