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Hisilicon Platforms Device Tree Bindings
----------------------------------------------------
Hi6220 SoC
Required root node properties:
- compatible = "hisilicon,hi6220";
Hi4511 Board
Required root node properties:
- compatible = "hisilicon,hi3620-hi4511";
HiP04 D01 Board
Required root node properties:
- compatible = "hisilicon,hip04-d01";
HiP01 ca9x2 Board
Required root node properties:
- compatible = "hisilicon,hip01-ca9x2";
HiKey Board
Required root node properties:
- compatible = "hisilicon,hi6220-hikey", "hisilicon,hi6220";
HiP05 D02 Board
Required root node properties:
- compatible = "hisilicon,hip05-d02";
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>;
};
-----------------------------------------------------------------------
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@f7030000 {
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@f7800000 {
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@f4410000 {
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@f7032000 {
compatible = "hisilicon,hi6220-pmctrl", "syscon";
reg = <0x0 0xf7032000 0x0 0x1000>;
#clock-cells = <1>;
};
Hisilicon Hi6220 SRAM controller
Required properties:
- compatible : "hisilicon,hi6220-sramctrl", "syscon"
- reg : Register address and size
Hisilicon's SoCs use sram for multiple purpose; on Hi6220 there have several
SRAM banks for power management, modem, security, etc. Further, use "syscon"
managing the common sram which can be shared by multiple modules.
Example:
/*for Hi6220*/
sram: sram@fff80000 {
compatible = "hisilicon,hi6220-sramctrl", "syscon";
reg = <0x0 0xfff80000 0x0 0x12000>;
};
-----------------------------------------------------------------------
Hisilicon HiP01 system controller
Required properties:
- compatible : "hisilicon,hip01-sysctrl"
- reg : Register address and size
The HiP01 system controller is mostly compatible with hisilicon
system controller,but it has some specific control registers for
HIP01 SoC family, such as slave core boot, and also some same
registers located at different offset.
Example:
/* for hip01-ca9x2 */
sysctrl: system-controller@10000000 {
compatible = "hisilicon,hip01-sysctrl", "hisilicon,sysctrl";
reg = <0x10000000 0x1000>;
reboot-offset = <0x4>;
};
-----------------------------------------------------------------------
Hisilicon HiP05 PCIe-SAS system controller
Required properties:
- compatible : "hisilicon,pcie-sas-subctrl", "syscon";
- reg : Register address and size
The HiP05 PCIe-SAS system controller is shared by PCIe and SAS controllers in
HiP05 Soc to implement some basic configurations.
Example:
/* for HiP05 PCIe-SAS system */
pcie_sas: system_controller@0xb0000000 {
compatible = "hisilicon,pcie-sas-subctrl", "syscon";
reg = <0xb0000000 0x10000>;
};
Hisilicon HiP05 PERISUB system controller
Required properties:
- compatible : "hisilicon,hip05-perisubc", "syscon";
- reg : Register address and size
The HiP05 PERISUB system controller is shared by peripheral controllers in
HiP05 Soc to implement some basic configurations. The peripheral
controllers include mdio, ddr, iic, uart, timer and so on.
Example:
/* for HiP05 perisub-ctrl-c system */
peri_c_subctrl: syscon@80000000 {
compatible = "hisilicon,hip05-perisubc", "syscon";
reg = <0x0 0x80000000 0x0 0x10000>;
};
-----------------------------------------------------------------------
Hisilicon CPU controller
Required properties:
- compatible : "hisilicon,cpuctrl"
- reg : Register address and size
The clock registers and power registers of secondary cores are defined
in CPU controller, especially in HIX5HD2 SoC.
-----------------------------------------------------------------------
PCTRL: Peripheral misc control register
Required Properties:
- compatible: "hisilicon,pctrl"
- reg: Address and size of pctrl.
Example:
/* for Hi3620 */
pctrl: pctrl@fca09000 {
compatible = "hisilicon,pctrl";
reg = <0xfca09000 0x1000>;
};
-----------------------------------------------------------------------
Fabric:
Required Properties:
- compatible: "hisilicon,hip04-fabric";
- reg: Address and size of Fabric
-----------------------------------------------------------------------
Bootwrapper boot method (software protocol on SMP):
Required Properties:
- compatible: "hisilicon,hip04-bootwrapper";
- boot-method: Address and size of boot method.
[0]: bootwrapper physical address
[1]: bootwrapper size
[2]: relocation physical address
[3]: relocation size
|
