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From: balbi@ti•com (Felipe Balbi)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v2 3/4] ARM: dts: DRA7: Add timer12 node
Date: Mon, 5 Oct 2015 19:47:12 -0500	[thread overview]
Message-ID: <87y4fgesbz.fsf@saruman.tx.rr.com> (raw)
In-Reply-To: <1444087704-1429-4-git-send-email-s-anna@ti.com>

Suman Anna <s-anna@ti•com> writes:

> Add the DT node for Timer12 present on DRA7 family of
> SoCs. Timer12 is present in PD_WKUPAON power domain, and
> has the same capabilities as the other timers, except for
> the fact that it serves as a secure timer on HS devices
> and is clocked only from the secure 32K clock.
>
> The node is marked disabled for now, and the kernel should
> refrain from using this secure timer on HS devices.
>
> Signed-off-by: Suman Anna <s-anna@ti•com>
> ---
>  arch/arm/boot/dts/dra7.dtsi | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
> index e289c706d27d..37d632dad576 100644
> --- a/arch/arm/boot/dts/dra7.dtsi
> +++ b/arch/arm/boot/dts/dra7.dtsi
> @@ -762,6 +762,16 @@
>  			ti,hwmods = "timer11";
>  		};
>  
> +		timer12: timer at 4ae20000 {
> +			compatible = "ti,omap5430-timer";
> +			reg = <0x4ae20000 0x80>;
> +			interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
> +			ti,hwmods = "timer12";
> +			ti,timer-alwon;
> +			ti,timer-secure;
> +			status = "disabled";

according to Tony we should avoid using status at all for in-SoC
devices.

Tony, can you confirm I understood you correctly ?

-- 
balbi
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  reply	other threads:[~2015-10-06  0:47 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-05 23:28 [PATCH v2 0/4] DRA7 Timer12 Support Suman Anna
2015-10-05 23:28 ` [PATCH v2 1/4] ARM: OMAP: dmtimer: check for fixed timers during config Suman Anna
2015-10-05 23:28 ` [PATCH v2 2/4] ARM: OMAP2+: timer: Remove secure timer for DRA7xx HS devices Suman Anna
2015-10-05 23:28 ` [PATCH v2 3/4] ARM: dts: DRA7: Add timer12 node Suman Anna
2015-10-06  0:47   ` Felipe Balbi [this message]
2015-10-06  7:52     ` Tony Lindgren
2015-10-06 16:02       ` Suman Anna
2015-11-30 18:58         ` Tony Lindgren
2015-10-05 23:28 ` [PATCH v2 4/4] ARM: DRA7: hwmod: Add data for GPTimer 12 Suman Anna
2015-11-30 18:59   ` Tony Lindgren

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