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ARM: dts: rockchip: add syscon-reboot-mode DT node

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Rockchip platform use a SYSCON mapped register store
the reboot mode magic value for bootloader to use when
system reboot. So add syscon-reboot-mode driver DT node
for rk3xxx/rk3036/rk3288 based platform

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Andy Yan 2016-07-06 21:28:34 +08:00 committed by Heiko Stuebner
parent a148a05512
commit b60ab70bbe
3 changed files with 32 additions and 2 deletions
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12
arch/arm/boot/dts/rk3036.dtsi
View File

@ -43,6 +43,7 @@
#include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/pinctrl/rockchip.h> #include <dt-bindings/pinctrl/rockchip.h>
#include <dt-bindings/clock/rk3036-cru.h> #include <dt-bindings/clock/rk3036-cru.h>
#include <dt-bindings/soc/rockchip,boot-mode.h>
#include "skeleton.dtsi" #include "skeleton.dtsi"
/ { / {
@ -313,8 +314,17 @@
}; };
grf: syscon@20008000 { grf: syscon@20008000 {
compatible = "rockchip,rk3036-grf", "syscon"; compatible = "rockchip,rk3036-grf", "syscon", "simple-mfd";
reg = <0x20008000 0x1000>; reg = <0x20008000 0x1000>;
reboot-mode {
compatible = "syscon-reboot-mode";
offset = <0x1d8>;
mode-normal = <BOOT_NORMAL>;
mode-recovery = <BOOT_RECOVERY>;
mode-bootloader = <BOOT_FASTBOOT>;
mode-loader = <BOOT_BL_DOWNLOAD>;
};
}; };
acodec: acodec-ana@20030000 { acodec: acodec-ana@20030000 {

10
arch/arm/boot/dts/rk3288.dtsi
View File

@ -45,6 +45,7 @@
#include <dt-bindings/clock/rk3288-cru.h> #include <dt-bindings/clock/rk3288-cru.h>
#include <dt-bindings/thermal/thermal.h> #include <dt-bindings/thermal/thermal.h>
#include <dt-bindings/power/rk3288-power.h> #include <dt-bindings/power/rk3288-power.h>
#include <dt-bindings/soc/rockchip,boot-mode.h>
#include "skeleton.dtsi" #include "skeleton.dtsi"
/ { / {
@ -791,6 +792,15 @@
clocks = <&cru ACLK_GPU>; clocks = <&cru ACLK_GPU>;
}; };
}; };
reboot-mode {
compatible = "syscon-reboot-mode";
offset = <0x94>;
mode-normal = <BOOT_NORMAL>;
mode-recovery = <BOOT_RECOVERY>;
mode-bootloader = <BOOT_FASTBOOT>;
mode-loader = <BOOT_BL_DOWNLOAD>;
};
}; };
sgrf: syscon@ff740000 { sgrf: syscon@ff740000 {

12
arch/arm/boot/dts/rk3xxx.dtsi
View File

@ -43,6 +43,7 @@
#include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/soc/rockchip,boot-mode.h>
#include "skeleton.dtsi" #include "skeleton.dtsi"
/ { / {
@ -246,8 +247,17 @@
}; };
pmu: pmu@20004000 { pmu: pmu@20004000 {
compatible = "rockchip,rk3066-pmu", "syscon"; compatible = "rockchip,rk3066-pmu", "syscon", "simple-mfd";
reg = <0x20004000 0x100>; reg = <0x20004000 0x100>;
reboot-mode {
compatible = "syscon-reboot-mode";
offset = <0x40>;
mode-normal = <BOOT_NORMAL>;
mode-recovery = <BOOT_RECOVERY>;
mode-bootloader = <BOOT_FASTBOOT>;
mode-loader = <BOOT_BL_DOWNLOAD>;
};
}; };
grf: grf@20008000 { grf: grf@20008000 {