[PATCH] ARM: dts: imx: Mark i.MX7 timer with arm,cpu-registers-not-fw-configured

Shawn Guo shawnguo at kernel.org
Sun Jan 17 03:52:44 EST 2021


On Thu, Jan 07, 2021 at 01:31:15PM +0100, Marek Vasut wrote:
> There is no firmware to initialize the arch timer register on all iMX7
> systems, add arm,cpu-registers-not-fw-configured to let Linux do it.

`ARM: dts: imx7: ...` would help shorten the subject a bit by making `i.MX7`
unnecessary.

> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: Anson Huang <b20788 at freescale.com>

I guess this email address is no longer existing.

> Cc: Fabio Estevam <festevam at gmail.com>
> Cc: Leonard Crestez <leonard.crestez at nxp.com>

and this?

Shawn

> Cc: NXP Linux Team <linux-imx at nxp.com>
> Cc: Shawn Guo <shawnguo at kernel.org>
> To: linux-arm-kernel at lists.infradead.org
> ---
>  arch/arm/boot/dts/imx7s.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi
> index 251007a7b836..a22d41e0cf31 100644
> --- a/arch/arm/boot/dts/imx7s.dtsi
> +++ b/arch/arm/boot/dts/imx7s.dtsi
> @@ -151,6 +151,7 @@ replicator_in_port0: endpoint {
>  
>  	timer {
>  		compatible = "arm,armv7-timer";
> +		arm,cpu-registers-not-fw-configured;
>  		interrupt-parent = <&intc>;
>  		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
>  			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
> -- 
> 2.29.2
> 



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