Re: [PATCH 1/2] ARM: dts: vf610: Add ARM Global Timer

Shawn Guo
2014-09-12T08:14:49Z

On Thu, Sep 11, 2014 at 02:06:14PM +0200, Stefan Agner wrote:
> Add Global Timer support which is part of the Snoop Control Unit
> of the Cortex-A5 processor. This Global Timer is compatible with the
> Cortex-A9 implementation. It's a 64-bit timer and is clocked by the
> peripheral clock, which is typically 133 or 166MHz on Vybrid.
>
> Signed-off-by: Stefan Agner <stefan@agner.ch>
> ---
> arch/arm/boot/dts/vf610.dtsi | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/arch/arm/boot/dts/vf610.dtsi b/arch/arm/boot/dts/vf610.dtsi
> index 4d2ec32..a03abf6 100644
> --- a/arch/arm/boot/dts/vf610.dtsi
> +++ b/arch/arm/boot/dts/vf610.dtsi
> @@ -11,6 +11,7 @@
> #include "vf610-pinfunc.h"
> #include <dt-bindings/clock/vf610-clock.h>
> #include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
>
> / {
> aliases {
> @@ -83,6 +84,13 @@
> <0x40002100 0x100>;
> };
>
> + global_timer: global-timer@40002200 {

I think it's more idiomatic to use the generic name 'timer' for the
node.

Shawn

> + compatible = "arm,cortex-a9-global-timer";
> + reg = <0x40002200 0x20>;
> + interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&clks VF610_CLK_PLATFORM_BUS>;
> + };
> +
> L2: l2-cache@40006000 {
> compatible = "arm,pl310-cache";
> reg = <0x40006000 0x1000>;
> --
> 2.1.0
>