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@xxxxxxxxxx> --- .../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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html