From a9434e96d9f089e778b440217f815c8e85daf317 Mon Sep 17 00:00:00 2001 From: Kevin Hilman Date: Tue, 17 Dec 2013 16:23:49 -0800 Subject: ARM: hi3xxx: add smp support Enable SMP support on hi3xxx platform Signed-off-by: Zhangfei Gao Tested-by: Zhang Mingjun Tested-by: Li Xin Signed-off-by: Haojian Zhuang [khilman: fix checkpatch errors] Signed-off-by: Kevin Hilman --- .../bindings/arm/hisilicon/hisilicon.txt | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'Documentation/devicetree/bindings/arm/hisilicon') diff --git a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt index 21a73363e019..8c7a4653508d 100644 --- a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt +++ b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt @@ -4,3 +4,29 @@ Hisilicon Platforms Device Tree Bindings Hi4511 Board Required root node properties: - compatible = "hisilicon,hi3620-hi4511"; + +Hisilicon system controller + +Required properties: +- compatible : "hisilicon,sysctrl" +- reg : Register address and size + +Optional properties: +- smp-offset : offset in sysctrl for notifying slave cpu booting + cpu 1, reg; + cpu 2, reg + 0x4; + cpu 3, reg + 0x8; + If reg value is not zero, cpun exit wfi and go +- resume-offset : offset in sysctrl for notifying cpu0 when resume +- reboot-offset : offset in sysctrl for system reboot + +Example: + + /* for Hi3620 */ + sysctrl: system-controller@fc802000 { + compatible = "hisilicon,sysctrl"; + reg = <0xfc802000 0x1000>; + smp-offset = <0x31c>; + resume-offset = <0x308>; + reboot-offset = <0x4>; + }; -- cgit v1.2.3