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Groups > linux.kernel > #1571393
| From | Heiko Stuebner <heiko@sntech.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v6 4/5] ARM: dts: rockchip: add timer entries to rk3188 SoC |
| Date | 2017-02-01 10:50 +0100 |
| Message-ID | <t5ZI7-4dz-39@gated-at.bofh.it> (permalink) |
| References | <t5G2J-Kr-3@gated-at.bofh.it> <t5G2K-Kr-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Am Dienstag, 31. Januar 2017, 15:43:15 CET schrieb Alexander Kochetkov:
> The patch add two timers to all rk3188 based boards.
>
> The first timer is from alive subsystem and it act as a backup
> for the local timers at sleep time. It act the same as other
> SoC rockchip timers already present in kernel.
>
> The second timer is from CPU subsystem and act as replacement
> for the arm-global-timer clocksource and sched clock. It run
> at stable frequency 24MHz.
>
> Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com>
> ---
> arch/arm/boot/dts/rk3188.dtsi | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/arch/arm/boot/dts/rk3188.dtsi b/arch/arm/boot/dts/rk3188.dtsi
> index 31f81b2..0dc52fe 100644
> --- a/arch/arm/boot/dts/rk3188.dtsi
> +++ b/arch/arm/boot/dts/rk3188.dtsi
> @@ -106,6 +106,22 @@
> };
> };
>
> + timer3: timer@2000e000 {
> + compatible = "rockchip,rk3188-timer", "rockchip,rk3288-timer";
> + reg = <0x2000e000 0x20>;
> + interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cru SCLK_TIMER3>, <&cru PCLK_TIMER3>;
> + clock-names = "timer", "pclk";
> + };
> +
> + timer6: timer@200380a0 {
> + compatible = "rockchip,rk3188-timer", "rockchip,rk3288-timer";
> + reg = <0x200380a0 0x20>;
> + interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cru SCLK_TIMER6>, <&cru PCLK_TIMER0>;
> + clock-names = "timer", "pclk";
> + };
> +
depending on who is picking that up, they can add my
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
if needed.
I've also double checked the timer clocks - especially the pclks.
Timer3 has its own separate pclk, while all other timers are supplied by
pclk_timer0.
Heiko
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[PATCH v6 0/5] Implement clocksource for rockchip SoC using rockchip timer Alexander Kochetkov <al.kochet@gmail.com> - 2017-01-31 13:50 +0100
[PATCH v6 4/5] ARM: dts: rockchip: add timer entries to rk3188 SoC Alexander Kochetkov <al.kochet@gmail.com> - 2017-01-31 13:50 +0100
Re: [PATCH v6 4/5] ARM: dts: rockchip: add timer entries to rk3188 SoC Heiko Stuebner <heiko@sntech.de> - 2017-02-01 10:50 +0100
[PATCH v6 3/5] clocksource/drivers/rockchip_timer: implement clocksource timer Alexander Kochetkov <al.kochet@gmail.com> - 2017-01-31 13:50 +0100
[PATCH v6 5/5] ARM: dts: rockchip: disable arm-global-timer for rk3188 Alexander Kochetkov <al.kochet@gmail.com> - 2017-01-31 13:50 +0100
Re: [PATCH v6 5/5] ARM: dts: rockchip: disable arm-global-timer for rk3188 Heiko Stuebner <heiko@sntech.de> - 2017-02-01 10:50 +0100
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