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ARM: rockchip: enable arm-global-timer

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RK2928 and RK3066 contain a dw_apb timer component, while the rk3188 uses
a slightly similar but still different timer component. But all of them
support the ARM-global-timer that got added as clocksource driver recently.

So enable support for it to get a working clocksource for rk3188.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Heiko Stuebner 2013-09-30 16:29:55 +02:00
parent f75efdd768
commit f95a2b3d98
2 changed files with 9 additions and 0 deletions
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7
arch/arm/boot/dts/rk3xxx.dtsi
View File

@ -41,6 +41,13 @@
cache-level = <2>;
};
global-timer@1013c200 {
compatible = "arm,cortex-a9-global-timer";
reg = <0x1013c200 0x20>;
interrupts = <GIC_PPI 11 0x304>;
clocks = <&dummy150m>;
};
local-timer@1013c600 {
compatible = "arm,cortex-a9-twd-timer";
reg = <0x1013c600 0x20>;

2
arch/arm/mach-rockchip/Kconfig
View File

@ -11,6 +11,8 @@ config ARCH_ROCKCHIP
select COMMON_CLK
select GENERIC_CLOCKEVENTS
select DW_APB_TIMER_OF
select ARM_GLOBAL_TIMER
select CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
help
Support for Rockchip's Cortex-A9 Single-to-Quad-Core-SoCs
containing the RK2928, RK30xx and RK31xx series.