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Merge tag 'v6.2-rockchip-dts32-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes

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Disabling of the unreliable arm-global-timer on earliest
Rockchip SoCs, due to its frequency being bound to the
changing cpu clock.

* tag 'v6.2-rockchip-dts32-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  ARM: dts: rockchip: disable arm_global_timer on rk3066 and rk3188
This commit is contained in:
Arnd Bergmann
2022-11-24 15:36:13 +01:00
parent 706450b5c3 da74858a47
commit b10dbd6fbd
2 changed files with 7 additions and 1 deletions
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1
arch/arm/boot/dts/rk3188.dtsi
View File

@@ -607,7 +607,6 @@
&global_timer {
interrupts = <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>;
status = "disabled";
};
&local_timer {

7
arch/arm/boot/dts/rk3xxx.dtsi
View File

@@ -76,6 +76,13 @@
reg = <0x1013c200 0x20>;
interrupts = <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_EDGE_RISING)>;
clocks = <&cru CORE_PERI>;
status = "disabled";
/* The clock source and the sched_clock provided by the arm_global_timer
* on Rockchip rk3066a/rk3188 are quite unstable because their rates
* depend on the CPU frequency.
* Keep the arm_global_timer disabled in order to have the
* DW_APB_TIMER (rk3066a) or ROCKCHIP_TIMER (rk3188) selected by default.
*/
};
local_timer: local-timer@1013c600 {